diff --git a/ci-scripts/xml_files/fr1_ran_ue_proc.xml b/ci-scripts/xml_files/fr1_ran_ue_proc.xml
index 330fb27f21..446433ec30 100644
--- a/ci-scripts/xml_files/fr1_ran_ue_proc.xml
+++ b/ci-scripts/xml_files/fr1_ran_ue_proc.xml
@@ -32,9 +32,13 @@
000001
050000
050001
+ 050002
+ 050003
+ 000001
+ 010002
+ 000001
070001
070000
- 010002
010003
@@ -89,16 +93,30 @@
Ping
Ping: 20pings in 20sec
-c 20
- 50
+ 0
Ping
Ping: 5pings in 1sec
-c 5 -i 0.2
- 50
+ 0
+
+ Ping
+ Ping: 100pings in 20sec
+ -c 100 -i 0.2
+ 0
+
+
+ $
+ Ping$
+ Ping: 100pings in 20sec size 1000$
+ -c 100 -i 0.2 -s 1000$
+ 0$
+ $
+
Terminate_eNB
Terminate eNB
diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index e034120781..94d55d5fe5 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -2087,6 +2087,7 @@ set (MAC_NR_SRC
${NR_GNB_MAC_DIR}/gNB_scheduler_ulsch.c
${NR_GNB_MAC_DIR}/gNB_scheduler_primitives.c
${NR_GNB_MAC_DIR}/gNB_scheduler_phytest.c
+ ${NR_GNB_MAC_DIR}/gNB_scheduler_uci.c
${NR_GNB_MAC_DIR}/gNB_scheduler_RA.c
)
diff --git a/cmake_targets/autotests/test_case_list.xml b/cmake_targets/autotests/test_case_list.xml
index 7e43a9d01c..0c31ba8ea6 100644
--- a/cmake_targets/autotests/test_case_list.xml
+++ b/cmake_targets/autotests/test_case_list.xml
@@ -1095,7 +1095,10 @@
(Test10: 106 PRBs 50 PDSCH-PRBs MCS Index 16),
(Test11: HARQ test 25% TP (4 rounds),
(Test12: HARQ test 33% TP (3 rounds),
- (Test13: HARQ test 50% TP (2 rounds)
+ (Test13: HARQ test 50% TP (2 rounds),
+ (Test14: 3 PTRS, 8 Interpolated Symbols),
+ (Test15: 6 PTRS, 5 Interpolated Symbols),
+ (Test16: 11 PTRS, 0 Interpolated Symbols)
$OPENAIR_DIR/cmake_targets/build_oai
--phy_simulators -c
@@ -1114,8 +1117,11 @@
-n100 -e16 -s10
-n100 -s1 -t25
-n100 -s1 -t33
- -n100 -s1 -t50
- nr_dlsim.test1 nr_dlsim.test2 nr_dlsim.test3 nr_dlsim.test4 nr_dlsim.test5 nr_dlsim.test6 nr_dlsim.test7 nr_dlsim.test8 nr_dlsim.test9 nr_dlsim.test10 nr_dlsim.test11 nr_dlsim.test12 nr_dlsim.test13
+ -n100 -s1 -t50
+ -n100 -s5 -T 2 2 2
+ -n100 -s5 -T 2 1 2
+ -n100 -s5 -T 2 0 4
+ nr_dlsim.test1 nr_dlsim.test2 nr_dlsim.test3 nr_dlsim.test4 nr_dlsim.test5 nr_dlsim.test6 nr_dlsim.test7 nr_dlsim.test8 nr_dlsim.test9 nr_dlsim.test10 nr_dlsim.test11 nr_dlsim.test12 nr_dlsim.test13 nr_dlsim.test14 nr_dlsim.test15 nr_dlsim.test16
PDSCH test OK
segmentation fault|assertion|exiting|fatal
3
@@ -1302,10 +1308,12 @@
execution
- nr_prachsim Test cases. (Test1: 106 PRBs - Prach format A2),
- (Test2: 217 PRBs - Prach format A2),
- (Test3: 273 PRBs - Prach format A2),
- (Test4: 106 PRBs - Prach format 0)
+ nr_prachsim Test cases. (Test1: 30kHz SCS, 106 PRBs, Prach format A2),
+ (Test2: 30kHz SCS, 217 PRBs, Prach format A2),
+ (Test3: 30kHz SCS, 273 PRBs, Prach format A2),
+ (Test4: 30kHz SCS, 106 PRBs, Prach format 0),
+ (Test5: 120kHz SCS, 32 PRBs, Prach format A2),
+ (Test6: 120kHz SCS, 66 PRBs, Prach format A2)
$OPENAIR_DIR/cmake_targets/build_oai
--phy_simulators -c
@@ -1315,8 +1323,10 @@
-a -s -30 -n 100 -p 63 -R 106
-a -s -30 -n 100 -p 63 -R 217
-a -s -30 -n 100 -p 63 -R 273
- -a -s -30 -n 100 -p 63 -R 106 -c 4
- nr_prachsim.test1 nr_prachsim.test2 nr_prachsim.test3 nr_prachsim.test4
+ -a -s -30 -n 100 -p 63 -R 106 -c 4
+ -a -s -30 -n 100 -p 32 -R 32 -m 3 -c52
+ -a -s -30 -n 100 -p 32 -R 66 -m 3 -c52
+ nr_prachsim.test1 nr_prachsim.test2 nr_prachsim.test3 nr_prachsim.test4 nr_prachsim.test5 nr_prachsim.test6
PRACH test OK
segmentation fault|assertion|exiting|fatal
3
diff --git a/nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_interface.h b/nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_interface.h
index 87a4d6f6af..da84901602 100644
--- a/nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_interface.h
+++ b/nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_interface.h
@@ -472,6 +472,21 @@ typedef struct {
uint8_t cbgti;
uint8_t codeBlockGroupFlushIndicator;
// to be check the fields needed to L1 with NR_DL_UE_HARQ_t and NR_UE_DLSCH_t
+ // PTRS [TS38.214, sec 5.1.6.3]
+ /// PT-RS antenna ports [TS38.214, sec 5.1.6.3] [TS38.211, table 7.4.1.2.2-1] Bitmap occupying the 6 LSBs with: bit 0: antenna port 1000 bit 5: antenna port 1005 and for each bit 0: PTRS port not used 1: PTRS port used
+ uint8_t PTRSPortIndex ;
+ /// PT-RS time density [TS38.214, table 5.1.6.3-1] 0: 1 1: 2 2: 4
+ uint8_t PTRSTimeDensity;
+ /// PT-RS frequency density [TS38.214, table 5.1.6.3-2] 0: 2 1: 4
+ uint8_t PTRSFreqDensity;
+ /// PT-RS resource element offset [TS38.211, table 7.4.1.2.2-1] Value: 0->3
+ uint8_t PTRSReOffset;
+ /// PT-RS-to-PDSCH EPRE ratio [TS38.214, table 4.1-2] Value :0->3
+ uint8_t nEpreRatioOfPDSCHToPTRS;
+ /// MCS table for this DLSCH
+ uint8_t mcs_table;
+
+ uint16_t pduBitmap;
} fapi_nr_dl_config_dlsch_pdu_rel15_t;
typedef struct {
@@ -783,7 +798,7 @@ typedef struct {
} fapi_nr_pusch_power_control_t;
typedef enum {tx_config_codebook = 1, tx_config_nonCodebook = 2} tx_config_t;
-typedef enum {transform_precoder_disabled = 0, transform_precoder_enabled = 1} transform_precoder_t;
+typedef enum {transform_precoder_enabled = 0, transform_precoder_disabled = 1} transform_precoder_t;
typedef enum {
codebook_subset_fullyAndPartialAndNonCoherent = 1,
codebook_subset_partialAndNonCoherent = 2,
diff --git a/openair1/PHY/INIT/nr_init.c b/openair1/PHY/INIT/nr_init.c
index 80469f3e81..49ec60c94b 100644
--- a/openair1/PHY/INIT/nr_init.c
+++ b/openair1/PHY/INIT/nr_init.c
@@ -431,11 +431,18 @@ void nr_phy_config_request_sim(PHY_VARS_gNB *gNB,
//gNB_config->subframe_config.dl_cyclic_prefix_type.value = (fp->Ncp == NORMAL) ? NFAPI_CP_NORMAL : NFAPI_CP_EXTENDED;
gNB->mac_enabled = 1;
- fp->dl_CarrierFreq = 3500000000;//from_nrarfcn(gNB_config->nfapi_config.rf_bands.rf_band[0],gNB_config->nfapi_config.nrarfcn.value);
- fp->ul_CarrierFreq = 3500000000;//fp->dl_CarrierFreq - (get_uldl_offset(gNB_config->nfapi_config.rf_bands.rf_band[0])*100000);
- fp->nr_band = 78;
-// fp->threequarter_fs= 0;
-
+ if (mu==1) {
+ fp->dl_CarrierFreq = 3500000000;//from_nrarfcn(gNB_config->nfapi_config.rf_bands.rf_band[0],gNB_config->nfapi_config.nrarfcn.value);
+ fp->ul_CarrierFreq = 3500000000;//fp->dl_CarrierFreq - (get_uldl_offset(gNB_config->nfapi_config.rf_bands.rf_band[0])*100000);
+ fp->nr_band = 78;
+ // fp->threequarter_fs= 0;
+ } else if (mu==3) {
+ fp->dl_CarrierFreq = 27524520000;//from_nrarfcn(gNB_config->nfapi_config.rf_bands.rf_band[0],gNB_config->nfapi_config.nrarfcn.value);
+ fp->ul_CarrierFreq = 27524520000;//fp->dl_CarrierFreq - (get_uldl_offset(gNB_config->nfapi_config.rf_bands.rf_band[0])*100000);
+ fp->nr_band = 261;
+ // fp->threequarter_fs= 0;
+ }
+
gNB_config->carrier_config.dl_bandwidth.value = config_bandwidth(mu, N_RB_DL, fp->nr_band);
nr_init_frame_parms(gNB_config, fp);
diff --git a/openair1/PHY/INIT/nr_init_ue.c b/openair1/PHY/INIT/nr_init_ue.c
index 24e41d7bfb..9c74f3dba4 100644
--- a/openair1/PHY/INIT/nr_init_ue.c
+++ b/openair1/PHY/INIT/nr_init_ue.c
@@ -393,6 +393,9 @@ void phy_init_nr_ue__PDSCH(NR_UE_PDSCH *const pdsch,
//pdsch->dl_ch_rho2_ext = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pdsch->dl_ch_mag0 = (int32_t **)malloc16_clear( 8*sizeof(int32_t *) );
pdsch->dl_ch_magb0 = (int32_t **)malloc16_clear( 8*sizeof(int32_t *) );
+ pdsch->ptrs_phase_per_slot = (int32_t **)malloc16_clear( 8*sizeof(int32_t *) );
+ pdsch->ptrs_re_per_slot = (int32_t **)malloc16_clear( 8*sizeof(int32_t *) );
+ pdsch->dl_ch_ptrs_estimates_ext = (int32_t **)malloc16_clear( 8*sizeof(int32_t *) );
// the allocated memory size is fixed:
AssertFatal( fp->nb_antennas_rx <= 2, "nb_antennas_rx > 2" );
@@ -413,6 +416,9 @@ void phy_init_nr_ue__PDSCH(NR_UE_PDSCH *const pdsch,
//pdsch->dl_ch_rho2_ext[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
pdsch->dl_ch_mag0[idx] = (int32_t *)malloc16_clear( sizeof(int32_t) * num );
pdsch->dl_ch_magb0[idx] = (int32_t *)malloc16_clear( sizeof(int32_t) * num );
+ pdsch->ptrs_re_per_slot[idx] = (int32_t *)malloc16_clear(sizeof(int32_t) * 14);
+ pdsch->ptrs_phase_per_slot[idx] = (int32_t *)malloc16_clear( sizeof(int32_t) * 14 );
+ pdsch->dl_ch_ptrs_estimates_ext[idx]= (int32_t *)malloc16_clear( sizeof(int32_t) * num);
}
}
}
diff --git a/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c b/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
index b6388fb903..27c1ef2ac6 100644
--- a/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
+++ b/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
@@ -25,6 +25,7 @@
#include "nr_ul_estimation.h"
#include "PHY/sse_intrin.h"
#include "PHY/NR_REFSIG/nr_refsig.h"
+#include "PHY/NR_REFSIG/dmrs_nr.h"
#include "PHY/NR_REFSIG/ptrs_nr.h"
#include "PHY/NR_TRANSPORT/nr_transport_proto.h"
#include "PHY/NR_UE_ESTIMATION/filt16a_32.h"
@@ -533,384 +534,107 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
* 3) Compensated DMRS based estimated signal with PTRS estimation for slot
*********************************************************************/
void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB,
+ NR_DL_FRAME_PARMS *frame_parms,
nfapi_nr_pusch_pdu_t *rel15_ul,
uint8_t ulsch_id,
uint8_t nr_tti_rx,
- uint8_t dmrs_symbol_flag,
unsigned char symbol,
uint32_t nb_re_pusch)
{
- NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms;
- int16_t *phase_per_symbol;
-
- uint8_t L_ptrs = 0;
- uint8_t right_side_ref = 0;
- uint8_t left_side_ref = 0;
- uint8_t nb_dmrs_in_slot = 0;
-
//#define DEBUG_UL_PTRS 1
- /* First symbol calculate PTRS symbol index for slot & set the variables */
- if(symbol == rel15_ul->start_symbol_index)
- {
- gNB->pusch_vars[ulsch_id]->ptrs_symbols = 0;
- L_ptrs = 1<<(rel15_ul->pusch_ptrs.ptrs_time_density);
- set_ptrs_symb_idx(&gNB->pusch_vars[ulsch_id]->ptrs_symbols,
- rel15_ul->nr_of_symbols,
- rel15_ul->start_symbol_index,
- L_ptrs,
- rel15_ul->ul_dmrs_symb_pos);
- }/* First symbol check */
+ int16_t *phase_per_symbol = NULL;
+ int32_t *ptrs_re_symbol = NULL;
+ int8_t ret = 0;
+ uint8_t symbInSlot = rel15_ul->start_symbol_index + rel15_ul->nr_of_symbols;
+ uint8_t *startSymbIndex = &rel15_ul->start_symbol_index;
+ uint8_t *nbSymb = &rel15_ul->nr_of_symbols;
+ uint8_t *L_ptrs = &rel15_ul->pusch_ptrs.ptrs_time_density;
+ uint8_t *K_ptrs = &rel15_ul->pusch_ptrs.ptrs_freq_density;
+ uint16_t *dmrsSymbPos = &rel15_ul->ul_dmrs_symb_pos;
+ uint16_t *ptrsSymbPos = &gNB->pusch_vars[ulsch_id]->ptrs_symbols;
+ uint8_t *ptrsSymbIdx = &gNB->pusch_vars[ulsch_id]->ptrs_symbol_index;
+ uint8_t *dmrsConfigType = &rel15_ul->dmrs_config_type;
+ uint16_t *nb_rb = &rel15_ul->rb_size;
+ uint8_t *ptrsReOffset = &rel15_ul->pusch_ptrs.ptrs_ports_list[0].ptrs_re_offset;
/* loop over antennas */
- for (int aarx=0; aarx< frame_parms->nb_antennas_rx; aarx++)
- {
+ for (int aarx=0; aarxnb_antennas_rx; aarx++) {
phase_per_symbol = (int16_t*)gNB->pusch_vars[ulsch_id]->ptrs_phase_per_slot[aarx];
- /* set the previous estimations to zero at first symbol */
- if(symbol == rel15_ul->start_symbol_index)
- {
- memset(phase_per_symbol,0,sizeof(int32_t)*frame_parms->symbols_per_slot);
+ ptrs_re_symbol = &gNB->pusch_vars[ulsch_id]->ptrs_re_per_slot;
+ *ptrs_re_symbol = 0;
+ phase_per_symbol[(2*symbol)+1] = 0; // Imag
+ /* set DMRS estimates to 0 angle with magnitude 1 */
+ if(is_dmrs_symbol(symbol,*dmrsSymbPos)) {
+ /* set DMRS real estimation to 32767 */
+ phase_per_symbol[2*symbol]=(int16_t)((1<<15)-1); // 32767
+#ifdef DEBUG_UL_PTRS
+ printf("[PHY][PTRS]: DMRS Symbol %d -> %4d + j*%4d\n", symbol, phase_per_symbol[2*symbol],phase_per_symbol[(2*symbol)+1]);
+#endif
+ }
+ else {// real ptrs value is set to 0
+ phase_per_symbol[2*symbol] = 0; // Real
+ }
+
+ if(symbol == *startSymbIndex) {
+ *ptrsSymbPos = 0;
+ set_ptrs_symb_idx(ptrsSymbPos,
+ *nbSymb,
+ *startSymbIndex,
+ 1<< *L_ptrs,
+ *dmrsSymbPos);
}
/* if not PTRS symbol set current ptrs symbol index to zero*/
- gNB->pusch_vars[ulsch_id]->ptrs_symbol_index = 0;
- gNB->pusch_vars[ulsch_id]->ptrs_sc_per_ofdm_symbol = 0;
+ *ptrsSymbIdx = 0;
/* Check if current symbol contains PTRS */
- if(is_ptrs_symbol(symbol, gNB->pusch_vars[ulsch_id]->ptrs_symbols))
- {
- gNB->pusch_vars[ulsch_id]->ptrs_symbol_index = symbol;
+ if(is_ptrs_symbol(symbol, *ptrsSymbPos)) {
+ *ptrsSymbIdx = symbol;
/*------------------------------------------------------------------------------------------------------- */
- /* 1) Estimate phase noise per PTRS symbol */
+ /* 1) Estimate common phase error per PTRS symbol */
/*------------------------------------------------------------------------------------------------------- */
- nr_pusch_phase_estimation(frame_parms,
- rel15_ul,
- (int16_t *)&gNB->pusch_vars[ulsch_id]->ul_ch_ptrs_estimates_ext[aarx][symbol*nb_re_pusch],
- nr_tti_rx,
- symbol,
- (int16_t*)&gNB->pusch_vars[ulsch_id]->rxdataF_comp[aarx][(symbol * nb_re_pusch)],
- gNB->nr_gold_pusch_dmrs[rel15_ul->scid],
- &phase_per_symbol[2* symbol],
- &gNB->pusch_vars[ulsch_id]->ptrs_sc_per_ofdm_symbol);
- }
- /* DMRS Symbol channel estimates extraction */
- else if(dmrs_symbol_flag)
- {
- phase_per_symbol[2* symbol]= (int16_t)((1<<15)-1); // 32767
- phase_per_symbol[2* symbol +1]= 0;// no angle
+ nr_ptrs_cpe_estimation(*K_ptrs,*ptrsReOffset,*dmrsConfigType,*nb_rb,
+ rel15_ul->rnti,
+ (int16_t *)&gNB->pusch_vars[ulsch_id]->ul_ch_ptrs_estimates_ext[aarx][symbol*nb_re_pusch],
+ nr_tti_rx,
+ symbol,frame_parms->ofdm_symbol_size,
+ (int16_t*)&gNB->pusch_vars[ulsch_id]->rxdataF_comp[aarx][(symbol * nb_re_pusch)],
+ gNB->nr_gold_pusch_dmrs[rel15_ul->scid][nr_tti_rx][symbol],
+ &phase_per_symbol[2* symbol],
+ ptrs_re_symbol);
}
/* For last OFDM symbol at each antenna perform interpolation and compensation for the slot*/
- if(symbol == (rel15_ul->start_symbol_index + rel15_ul->nr_of_symbols -1))
- {
- nb_dmrs_in_slot = get_dmrs_symbols_in_slot(rel15_ul->ul_dmrs_symb_pos,(rel15_ul->start_symbol_index + rel15_ul->nr_of_symbols));
- for(uint8_t dmrs_sym = 0; dmrs_sym < nb_dmrs_in_slot; dmrs_sym ++)
- {
- if(dmrs_sym == 0)
- {
- /* get first DMRS position */
- left_side_ref = get_next_dmrs_symbol_in_slot(rel15_ul->ul_dmrs_symb_pos, rel15_ul->start_symbol_index, (rel15_ul->start_symbol_index + rel15_ul->nr_of_symbols));
- /* get first DMRS position is not at start symbol position then we need to extrapolate left side */
- if(left_side_ref > rel15_ul->start_symbol_index)
- {
- left_side_ref = rel15_ul->start_symbol_index;
- }
+ if(symbol == (symbInSlot -1)) {
+ /*------------------------------------------------------------------------------------------------------- */
+ /* 2) Interpolate PTRS estimated value in TD */
+ /*------------------------------------------------------------------------------------------------------- */
+ /* If L-PTRS is > 0 then we need interpolation */
+ if(*L_ptrs > 0) {
+ ret = nr_ptrs_process_slot(*dmrsSymbPos, *ptrsSymbPos, phase_per_symbol, *startSymbIndex, *nbSymb);
+ if(ret != 0) {
+ LOG_W(PHY,"[PTRS] Compensation is skipped due to error in PTRS slot processing !!\n");
}
- /* get the next symbol from left_side_ref value */
- right_side_ref = get_next_dmrs_symbol_in_slot(rel15_ul->ul_dmrs_symb_pos, left_side_ref+1, (rel15_ul->start_symbol_index + rel15_ul->nr_of_symbols));
- /* if no symbol found then interpolate till end of slot*/
- if(right_side_ref == 0)
- {
- right_side_ref = (rel15_ul->start_symbol_index + rel15_ul->nr_of_symbols);
- }
- /*------------------------------------------------------------------------------------------------------- */
- /* 2) Interpolate PTRS estimated value in TD */
- /*------------------------------------------------------------------------------------------------------- */
- nr_pusch_phase_interpolation(phase_per_symbol,left_side_ref,right_side_ref);
- /* set left to last dmrs */
- left_side_ref = right_side_ref;
- } /*loop over dmrs positions */
-
+ }
#ifdef DEBUG_UL_PTRS
- LOG_M("ptrsEst.m","est",gNB->pusch_vars[ulsch_id]->ptrs_phase_per_slot[aarx],frame_parms->symbols_per_slot,1,1 );
- LOG_M("rxdataF_bf_ptrs_comp.m","bf_ptrs_cmp",
+ LOG_M("ptrsEstUl.m","est",gNB->pusch_vars[ulsch_id]->ptrs_phase_per_slot[aarx],frame_parms->symbols_per_slot,1,1 );
+ LOG_M("rxdataF_bf_ptrs_comp_ul.m","bf_ptrs_cmp",
&gNB->pusch_vars[0]->rxdataF_comp[aarx][rel15_ul->start_symbol_index * NR_NB_SC_PER_RB * rel15_ul->rb_size],
rel15_ul->nr_of_symbols * NR_NB_SC_PER_RB * rel15_ul->rb_size,1,1);
#endif
-
/*------------------------------------------------------------------------------------------------------- */
/* 3) Compensated DMRS based estimated signal with PTRS estimation */
/*--------------------------------------------------------------------------------------------------------*/
- for(uint8_t i =rel15_ul->start_symbol_index; i< (rel15_ul->start_symbol_index + rel15_ul->nr_of_symbols);i++)
- {
+ for(uint8_t i = *startSymbIndex; i< symbInSlot ;i++) {
+ /* DMRS Symbol has 0 phase so no need to rotate the respective symbol */
+ /* Skip rotation if the slot processing is wrong */
+ if((!is_dmrs_symbol(i,*dmrsSymbPos)) && (ret == 0)) {
#ifdef DEBUG_UL_PTRS
- printf("PTRS: Rotate Symbol %2d with %d + j* %d\n", i, phase_per_symbol[2* i],phase_per_symbol[(2* i) +1]);
+ printf("[PHY][UL][PTRS]: Rotate Symbol %2d with %d + j* %d\n", i, phase_per_symbol[2* i],phase_per_symbol[(2* i) +1]);
#endif
- rotate_cpx_vector((int16_t*)&gNB->pusch_vars[ulsch_id]->rxdataF_comp[aarx][(i * rel15_ul->rb_size * NR_NB_SC_PER_RB)],
- &phase_per_symbol[2* i],
- (int16_t*)&gNB->pusch_vars[ulsch_id]->rxdataF_comp[aarx][(i * rel15_ul->rb_size * NR_NB_SC_PER_RB)],
- (rel15_ul->rb_size * NR_NB_SC_PER_RB),
- 15);
+ rotate_cpx_vector((int16_t*)&gNB->pusch_vars[ulsch_id]->rxdataF_comp[aarx][(i * rel15_ul->rb_size * NR_NB_SC_PER_RB)],
+ &phase_per_symbol[2* i],
+ (int16_t*)&gNB->pusch_vars[ulsch_id]->rxdataF_comp[aarx][(i * rel15_ul->rb_size * NR_NB_SC_PER_RB)],
+ ((*nb_rb) * NR_NB_SC_PER_RB), 15);
+ }// if not DMRS Symbol
}// symbol loop
- }//interpolation and compensation
- }// Antenna loop
-}
-
-/*******************************************************************
- *
- * NAME : nr_pusch_phase_estimation
- *
- * PARAMETERS : frame_parms : UL frame parameters
- * rel15_ul : UL PDU Structure
- * Ns :
- * Symbol : OFDM symbol index
- * rxF : Channel compensated signal
- * ptrs_gold_seq: Gold sequence for PTRS regeneration
- * error_est : Estimated error output vector [Re Im]
- * RETURN : nothing
- *
- * DESCRIPTION :
- * perform phase estimation from regenerated PTRS SC and channel compensated
- * signal
- *********************************************************************/
-void nr_pusch_phase_estimation(NR_DL_FRAME_PARMS *frame_parms,
- nfapi_nr_pusch_pdu_t *rel15_ul,
- int16_t *ptrs_ch_p,
- unsigned char Ns,
- unsigned char symbol,
- int16_t *rxF_comp,
- uint32_t ***ptrs_gold_seq,
- int16_t *error_est,
- uint16_t *ptrs_sc)
-{
- uint8_t is_ptrs_re = 0;
- uint16_t re_cnt = 0;
- uint16_t cnt = 0;
- unsigned short nb_re_pusch = NR_NB_SC_PER_RB * rel15_ul->rb_size;
- uint8_t K_ptrs = rel15_ul->pusch_ptrs.ptrs_freq_density;
- uint16_t sc_per_symbol = (rel15_ul->rb_size + K_ptrs - 1)/K_ptrs;
- int16_t *ptrs_p = (int16_t *)malloc(sizeof(int32_t)*(sc_per_symbol));
- int16_t *dmrs_comp_p = (int16_t *)malloc(sizeof(int32_t)*(sc_per_symbol));
- double abs = 0.0;
- double real = 0.0;
- double imag = 0.0;
-#ifdef DEBUG_UL_PTRS
- double alpha = 0;
-#endif
- /* generate PTRS RE for the symbol */
- nr_gen_ref_conj_symbols(ptrs_gold_seq[Ns][symbol],sc_per_symbol*2,ptrs_p, NR_MOD_TABLE_QPSK_OFFSET,2);// 2 for QPSK
-
- /* loop over all sub carriers to get compensated RE on ptrs symbols*/
- for (int re = 0; re < nb_re_pusch; re++)
- {
- is_ptrs_re = is_ptrs_subcarrier(re,
- rel15_ul->rnti,
- 0,
- rel15_ul->dmrs_config_type,
- K_ptrs,
- rel15_ul->rb_size,
- rel15_ul->pusch_ptrs.ptrs_ports_list[0].ptrs_re_offset,
- 0,// start_re is 0 here
- frame_parms->ofdm_symbol_size);
- if(is_ptrs_re)
- {
- dmrs_comp_p[re_cnt*2] = rxF_comp[re *2];
- dmrs_comp_p[(re_cnt*2)+1] = rxF_comp[(re *2)+1];
- re_cnt++;
- }
- else
- {
- /* Skip PTRS symbols and keep data in a continuous vector */
- rxF_comp[cnt *2]= rxF_comp[re *2];
- rxF_comp[(cnt *2)+1]= rxF_comp[(re *2)+1];
- cnt++;
- }
- }/* RE loop */
- /* update the total ptrs RE in a symbol */
- *ptrs_sc = re_cnt;
-
- /*Multiple compensated data with conj of PTRS */
- mult_cpx_vector(dmrs_comp_p, ptrs_p, ptrs_ch_p,(1 + sc_per_symbol/4)*4,15); // 2^15 shifted
-
- /* loop over all ptrs sub carriers in a symbol */
- /* sum the error vector */
- for(int i = 0;i < sc_per_symbol; i++)
- {
- real+= ptrs_ch_p[(2*i)];
- imag+= ptrs_ch_p[(2*i)+1];
- }
-#ifdef DEBUG_UL_PTRS
- alpha = atan(imag/real);
- printf("PTRS: Symbol %d atan(Im,real):= %f \n",symbol, alpha );
-#endif
- /* mean */
- real /= sc_per_symbol;
- imag /= sc_per_symbol;
- /* absolute calculation */
- abs = sqrt(((real * real) + (imag * imag)));
- /* normalized error estimation */
- error_est[0]= (real / abs)*(1<<15);
- /* compensation in given by conjugate of estimated phase (e^-j*2*pi*fd*t)*/
- error_est[1]= (-1)*(imag / abs)*(1<<15);
-#ifdef DEBUG_UL_PTRS
- printf("PTRS: Estimated Symbol %d -> %d + j* %d \n",symbol, error_est[0], error_est[1] );
-#endif
- /* free vectors */
- free(ptrs_p);
- free(dmrs_comp_p);
-}
-
-
-/*******************************************************************
- *
- * NAME : nr_pusch_phase_interpolation
- *
- * PARAMETERS : *error_est : Data Pointer [Re Im Re Im ...]
- * start_symbol : Start Symbol
- * end_symbol : End Symbol
- * RETURN : nothing
- *
- * DESCRIPTION :
- * Perform Interpolation, extrapolation based upon the estimation
- * location between the data Pointer Array.
- *
- *********************************************************************/
-void nr_pusch_phase_interpolation(int16_t *error_est,
- uint8_t start_symbol,
- uint8_t end_symbol
- )
-{
-
- int next = 0, prev = 0, candidates= 0, distance=0, leftEdge= 0, rightEdge = 0, getDiff =0 ;
- double weight = 0.0;
- double scale = 0.125 ; // to avoid saturation due to fixed point multiplication
-#ifdef DEBUG_UL_PTRS
- printf("PTRS: INT: Left limit %d, Right limit %d, Loop over %d Symbols \n",
- start_symbol,end_symbol-1, (end_symbol -start_symbol)-1);
-#endif
- for(int i =start_symbol; i< end_symbol;i++)
- {
- /* Only update when an estimation is found */
- if( error_est[i*2] != 0 )
- {
- /* if found a symbol then set next symbol also */
- next = nr_ptrs_find_next_estimate(error_est, i, end_symbol);
- /* left extrapolation, if first estimate value is zero */
- if( error_est[i*2] == 0 )
- {
- leftEdge = 1;
- }
- /* right extrapolation, if next is 0 before end symbol */
- if((next == 0) && (end_symbol > i))
- {
- rightEdge = 1;
- /* special case as no right extrapolation possible with DMRS on left */
- /* In this case take mean of most recent 2 estimated points */
- if(prev ==0)
- {
- prev = start_symbol -1;
- next = start_symbol -2;
- getDiff =1;
- }else
- {
- /* for right edge previous is second last from right side */
- next = prev;
- /* Set the current as recent estimation reference */
- prev = i;
- }
- }
- /* update current symbol as prev for next symbol */
- if (rightEdge==0)
- /* Set the current as recent estimation reference */
- prev = i;
- }
- /*extrapolation left side*/
- if(leftEdge)
- {
- distance = next - prev;
- weight = 1.0/distance;
- candidates = i;
- for(int j = 1; j <= candidates; j++)
- {
- error_est[(i-j)*2] = 8 *(((double)(error_est[prev*2]) * scale * (distance + j) * weight) -
- ((double)(error_est[next*2]) * scale * j * weight));
- error_est[((i-j)*2)+1]= 8 *(((double)(error_est[(prev*2)+1]) * scale* (distance + j) * weight) -
- ((double)(error_est[((next*2)+1)]) * scale * j * weight));
-#ifdef DEBUG_UL_PTRS
- printf("PTRS: INT: Left Edge i= %d weight= %f %d + j*%d, Prev %d Next %d \n",
- (i-j),weight, error_est[(i-j)*2],error_est[((i-j)*2)+1], prev,next);
-#endif
- }
- leftEdge = 0;
- }
- /* extrapolation at right side */
- else if (rightEdge )
- {
- if(getDiff)
- {
- error_est[(i+1)*2] = ((1<<15) +(error_est[prev*2]) - error_est[next*2]);
- error_est[((i+1)*2)+1]= error_est[(prev*2)+1] - error_est[(next*2)+1];
-#ifdef DEBUG_UL_PTRS
- printf("PTRS: INT: Right Edge Special Case i= %d weight= %f %d + j*%d, Prev %d Next %d \n",
- (i+1),weight, error_est[(i+1)*2],error_est[((i+1)*2)+1], prev,next);
-#endif
- i++;
- }
- else
- {
- distance = prev - next;
- candidates = (end_symbol -1) - i;
- weight = 1.0/distance;
- for(int j = 1; j <= candidates; j++)
- {
- error_est[(i+j)*2] = 8 *(((double)(error_est[prev*2]) * scale * (distance + j) * weight) -
- ((double)(error_est[next*2]) * scale * j * weight));
- error_est[((i+j)*2)+1]= 8 *(((double)(error_est[(prev*2)+1]) * scale * (distance + j) * weight) -
- ((double)(error_est[((next*2)+1)]) * scale *j * weight));
-#ifdef DEBUG_UL_PTRS
- printf("PTRS: INT: Right Edge i= %d weight= %f %d + j*%d, Prev %d Next %d \n",
- (i+j),weight, error_est[(i+j)*2],error_est[((i+j)*2)+1], prev,next);
-#endif
- }
- if(candidates > 1)
- {
- i+=candidates;
- }
- }
- }
- /* Interpolation between 2 estimated points */
- else if(next != 0 && ( error_est[2*i] == 0 ))
- {
- distance = next - prev;
- weight = 1.0/distance;
- candidates = next - i ;
- for(int j = 0; j < candidates; j++)
- {
-
- error_est[(i+j)*2] = 8 *(((double)(error_est[prev*2]) * scale * (distance - (j+1)) * weight) +
- ((double)(error_est[next*2]) * scale * (j+1) * weight));
- error_est[((i+j)*2)+1]= 8 *(((double)(error_est[(prev*2)+1]) * scale *(distance - (j+1)) * weight) +
- ((double)(error_est[((next*2)+1)]) * scale *(j+1) * weight));
-#ifdef DEBUG_UL_PTRS
- printf("PTRS: INT: Interpolation i= %d weight= %f %d + j*%d, Prev %d Next %d\n",
- (i+j),weight, error_est[(i+j)*2],error_est[((i+j)*2)+1],prev,next);
-#endif
- }
- if(candidates > 1)
- {
- i+=candidates-1;
- }
- }// interpolation
- }// symbol loop
-}
-
-/* Find the next non zero Real value in a complex vector */
-int nr_ptrs_find_next_estimate(int16_t *error_est,
- uint8_t counter,
- uint8_t end_symbol)
-{
- for (int i = counter +1 ; i< end_symbol; i++)
- {
- if( error_est[2*i] != 0)
- {
- return i;
- }
- }
- return 0;
+ }// last symbol check
+ }//Antenna loop
}
diff --git a/openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h b/openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h
index 0f71487e36..a463e21839 100644
--- a/openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h
+++ b/openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h
@@ -53,28 +53,10 @@ int nr_est_timing_advance_pusch(PHY_VARS_gNB* phy_vars_gNB, int UE_id);
void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB,
+ NR_DL_FRAME_PARMS *frame_parms,
nfapi_nr_pusch_pdu_t *rel15_ul,
uint8_t ulsch_id,
uint8_t nr_tti_rx,
- uint8_t dmrs_symbol_flag,
unsigned char symbol,
uint32_t nb_re_pusch);
-
-void nr_pusch_phase_estimation(NR_DL_FRAME_PARMS *frame_parms,
- nfapi_nr_pusch_pdu_t *rel15_ul,
- int16_t *ptrs_ch_p,
- unsigned char Ns,
- unsigned char symbol,
- int16_t *rxF_comp,
- uint32_t ***ptrs_gold_seq,
- int16_t *error_est,
- uint16_t *ptrs_sc);
-
-void nr_pusch_phase_interpolation(int16_t *error_est,
- uint8_t start_symbol,
- uint8_t end_symbol);
-
-int nr_ptrs_find_next_estimate(int16_t *error_est,
- uint8_t counter,
- uint8_t end_symbol);
#endif
diff --git a/openair1/PHY/NR_REFSIG/dmrs_nr.c b/openair1/PHY/NR_REFSIG/dmrs_nr.c
index 72cb60003e..03a37e2b27 100644
--- a/openair1/PHY/NR_REFSIG/dmrs_nr.c
+++ b/openair1/PHY/NR_REFSIG/dmrs_nr.c
@@ -364,14 +364,14 @@ void generate_dmrs_pbch(uint32_t dmrs_pbch_bitmap[DMRS_PBCH_I_SSB][DMRS_PBCH_N_H
#endif
}
/* return the position of next dmrs symbol in a slot */
-int get_next_dmrs_symbol_in_slot(uint16_t ul_dmrs_symb_pos, uint8_t counter, uint8_t end_symbol)
+int8_t get_next_dmrs_symbol_in_slot(uint16_t ul_dmrs_symb_pos, uint8_t counter, uint8_t end_symbol)
{
- for(uint8_t symbol = counter; symbol < end_symbol; symbol++)
- if((ul_dmrs_symb_pos >>symbol)&0x01 )
- {
+ for(uint8_t symbol = counter; symbol < end_symbol; symbol++) {
+ if((ul_dmrs_symb_pos >> symbol) & 0x01 ) {
return symbol;
}
- return 0;
+ }
+ return -1;
}
@@ -379,9 +379,30 @@ int get_next_dmrs_symbol_in_slot(uint16_t ul_dmrs_symb_pos, uint8_t counter, ui
uint8_t get_dmrs_symbols_in_slot(uint16_t l_prime_mask, uint16_t nb_symb)
{
uint8_t tmp = 0;
- for (int i = 0; i < nb_symb; i++)
- {
+ for (int i = 0; i < nb_symb; i++) {
tmp += (l_prime_mask >> i) & 0x01;
}
return tmp;
}
+
+/* return the position of valid dmrs symbol in a slot for channel compensation */
+int8_t get_valid_dmrs_idx_for_channel_est(uint16_t dmrs_symb_pos, uint8_t counter)
+{
+ int8_t symbIdx = -1;
+ /* if current symbol is DMRS then return this index */
+ if(is_dmrs_symbol(counter, dmrs_symb_pos ) ==1) {
+ return counter;
+ }
+ /* find previous DMRS symbol */
+ for(int8_t symbol = counter;symbol >=0 ; symbol--) {
+ if((1< 0) {
+ symbIdx = symbol;
+ break;
+ }
+ }
+ /* if there is no previous dmrs available then find the next possible*/
+ if(symbIdx == -1) {
+ symbIdx = get_next_dmrs_symbol_in_slot(dmrs_symb_pos,counter,15);
+ }
+ return symbIdx;
+}
diff --git a/openair1/PHY/NR_REFSIG/dmrs_nr.h b/openair1/PHY/NR_REFSIG/dmrs_nr.h
index 860f997734..b9e9ca6f0d 100644
--- a/openair1/PHY/NR_REFSIG/dmrs_nr.h
+++ b/openair1/PHY/NR_REFSIG/dmrs_nr.h
@@ -62,6 +62,12 @@ uint8_t allowed_xlsch_re_in_dmrs_symbol(uint16_t k,
uint8_t numDmrsCdmGrpsNoData,
uint8_t dmrs_type);
+void nr_gen_ref_conj_symbols(uint32_t *in, uint32_t length, int16_t *output, uint16_t offset, int mod_order);
+int8_t get_next_dmrs_symbol_in_slot(uint16_t ul_dmrs_symb_pos, uint8_t counter, uint8_t end_symbol);
+uint8_t get_dmrs_symbols_in_slot(uint16_t l_prime_mask, uint16_t nb_symb);
+int8_t get_valid_dmrs_idx_for_channel_est(uint16_t dmrs_symb_pos, uint8_t counter);
+
+static inline uint8_t is_dmrs_symbol(uint8_t l, uint16_t dmrsSymbMask ) { return ((dmrsSymbMask >> l) & 0x1); }
#undef EXTERN
#endif /* DMRS_NR_H */
diff --git a/openair1/PHY/NR_REFSIG/nr_gold_ue.c b/openair1/PHY/NR_REFSIG/nr_gold_ue.c
index 39ab13b1f1..414582a31d 100644
--- a/openair1/PHY/NR_REFSIG/nr_gold_ue.c
+++ b/openair1/PHY/NR_REFSIG/nr_gold_ue.c
@@ -107,9 +107,7 @@ void nr_gold_pdcch(PHY_VARS_NR_UE* ue,
}
void nr_gold_pdsch(PHY_VARS_NR_UE* ue,
- unsigned short lbar,
- unsigned short *n_idDMRS,
- unsigned short length_dmrs)
+ unsigned short *n_idDMRS)
{
unsigned char ns,l;
unsigned int n,x1,x2,x2tmp0;
@@ -129,12 +127,12 @@ void nr_gold_pdsch(PHY_VARS_NR_UE* ue,
for (ns=0; ns<20; ns++) {
- for (l=0; l>1) ^ (x2>>2) ^ (x2>>3))<<31);
@@ -145,7 +143,7 @@ void nr_gold_pdsch(PHY_VARS_NR_UE* ue,
x1 = x1 ^ (x1<<31) ^ (x1<<28);
x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);
x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28);
- //printf("x1 : %x, x2 : %x\n",x1,x2);
+ //printf("x1 : %x, x2 : %x\n",x1,x2);
}
for (n=0; n>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);
x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28);
ue->nr_gold_pdsch[nscid][ns][l][n] = x1^x2;
- // if ((ns==2)&&(l==0))
- //printf("n=%d : c %x\n",n,x1^x2);
+ // if ((ns==2)&&(l==0))
+ //printf("n=%d : c %x\n",n,x1^x2);
}
}
diff --git a/openair1/PHY/NR_REFSIG/nr_refsig.h b/openair1/PHY/NR_REFSIG/nr_refsig.h
index f82a7880bb..c5bba196a5 100644
--- a/openair1/PHY/NR_REFSIG/nr_refsig.h
+++ b/openair1/PHY/NR_REFSIG/nr_refsig.h
@@ -53,10 +53,6 @@ int nr_pusch_dmrs_rx(PHY_VARS_gNB *gNB,
uint8_t dmrs_type);
void init_scrambling_luts(void);
-void nr_gen_ref_conj_symbols(uint32_t *in, uint32_t length, int16_t *output, uint16_t offset, int mod_order);
-uint8_t get_next_dmrs_symbol_in_slot(uint16_t ul_dmrs_symb_pos, uint8_t counter, uint8_t end_symbol);
-uint8_t get_dmrs_symbols_in_slot(uint16_t l_prime_mask, uint16_t nb_symb);
-
void nr_generate_modulation_table(void);
extern __m64 byte2m64_re[256];
diff --git a/openair1/PHY/NR_REFSIG/ptrs_nr.c b/openair1/PHY/NR_REFSIG/ptrs_nr.c
index 785252126a..b50c9a7bc9 100644
--- a/openair1/PHY/NR_REFSIG/ptrs_nr.c
+++ b/openair1/PHY/NR_REFSIG/ptrs_nr.c
@@ -34,7 +34,7 @@
#include
#include "dmrs_nr.h"
#include "PHY/NR_REFSIG/ptrs_nr.h"
-
+#include "PHY/NR_REFSIG/nr_refsig.h"
/***********************************************************************/
@@ -180,93 +180,249 @@ uint8_t is_ptrs_subcarrier(uint16_t k,
return 0;
}
-
-/*
-int main(int argc, char const *argv[])
+/* return the total number of ptrs symbol in a slot */
+uint8_t get_ptrs_symbols_in_slot(uint16_t l_prime_mask, uint16_t start_symb, uint16_t nb_symb)
{
-
- dmrs_UplinkConfig_t dmrs_Uplink_Config;
- ptrs_UplinkConfig_t ptrs_Uplink_Config;
- uint8_t resourceElementOffset;
- uint8_t dmrs_antenna_port;
- uint8_t L_ptrs, K_ptrs;
- int16_t k_RE_ref;
- uint16_t N_RB, ptrs_symbols, ofdm_symbol_size, k;
- uint8_t duration_in_symbols, I_mcs;
- uint8_t start_symbol, l;
- uint8_t ptrs_symbol_flag;
- uint16_t n_rnti;
-
- dmrs_Uplink_Config.pusch_dmrs_type = pusch_dmrs_type1;
- dmrs_Uplink_Config.pusch_dmrs_AdditionalPosition = pusch_dmrs_pos1;
- dmrs_Uplink_Config.pusch_maxLength = pusch_len2;
-
- ptrs_Uplink_Config.timeDensity.ptrs_mcs1 = 0; // setting MCS values to 0 indicate abscence of time_density field in the configuration
- ptrs_Uplink_Config.timeDensity.ptrs_mcs2 = 0;
- ptrs_Uplink_Config.timeDensity.ptrs_mcs3 = 0;
- ptrs_Uplink_Config.frequencyDensity.n_rb0 = 0; // setting N_RB values to 0 indicate abscence of frequency_density field in the configuration
- ptrs_Uplink_Config.frequencyDensity.n_rb1 = 0;
- ptrs_Uplink_Config.resourceElementOffset = 0;
-
- n_rnti = 0x1234;
- resourceElementOffset = 0;
- ptrs_symbols = 0;
- dmrs_antenna_port = 0;
- N_RB = 50;
- duration_in_symbols = 14;
- ofdm_symbol_size = 2048;
- I_mcs = 9;
- start_symbol = 0;
- ptrs_symbol_flag = 0;
-
- k_RE_ref = get_kRE_ref(dmrs_antenna_port, dmrs_Uplink_Config.pusch_dmrs_type, resourceElementOffset);
-
- K_ptrs = get_K_ptrs(&ptrs_Uplink_Config, N_RB);
-
- L_ptrs = get_L_ptrs(&ptrs_Uplink_Config, I_mcs);
-
- set_ptrs_symb_idx(&ptrs_symbols,
- &ptrs_Uplink_Config,
- &dmrs_Uplink_Config,
- 1,
- duration_in_symbols,
- start_symbol,
- L_ptrs,
- ofdm_symbol_size);
-
- printf("PTRS OFDM symbol indicies: ");
-
- for (l = start_symbol; l < start_symbol + duration_in_symbols; l++){
-
- ptrs_symbol_flag = is_ptrs_symbol(l,
- 0,
- n_rnti,
- N_RB,
- duration_in_symbols,
- dmrs_antenna_port,
- K_ptrs,
- ptrs_symbols,
- dmrs_Uplink_Config.pusch_dmrs_type,
- &ptrs_Uplink_Config);
-
- if (ptrs_symbol_flag == 1)
- printf(" %d ", l);
-
+ uint8_t tmp = 0;
+ for (int i = start_symb; i <= nb_symb; i++)
+ {
+ tmp += (l_prime_mask >> i) & 0x01;
}
+ return tmp;
+}
- printf("\n");
-
- printf("PTRS subcarrier indicies: ");
-
- for (k = 0; k < N_RB*12; k++){
-
- if (is_ptrs_subcarrier(k, K_ptrs, n_rnti, N_RB, k_RE_ref) == 1)
- printf(" %d ", k);
-
+/* return the position of next ptrs symbol in a slot */
+int8_t get_next_ptrs_symbol_in_slot(uint16_t ptrs_symb_pos, uint8_t counter, uint8_t nb_symb)
+{
+ for(int8_t symbol = counter; symbol < nb_symb; symbol++) {
+ if((ptrs_symb_pos >>symbol)&0x01 ) {
+ return symbol;
}
+ }
+ return -1;
+}
- printf("\n");
+/* get the next nearest estimate from DMRS or PTRS */
+int8_t get_next_estimate_in_slot(uint16_t ptrsSymbPos,uint16_t dmrsSymbPos, uint8_t counter,uint8_t nb_symb)
+{
+ int8_t nextPtrs = get_next_ptrs_symbol_in_slot(ptrsSymbPos, counter,nb_symb);
+ int8_t nextDmrs = get_next_dmrs_symbol_in_slot(dmrsSymbPos, counter,nb_symb);
+ if(nextDmrs == -1) {
+ return nextPtrs;
+ }
+ /* Special case when DMRS is next valid estimation */
+ if(nextPtrs == -1) {
+ return nextDmrs;
+ }
+ return (nextPtrs > nextDmrs)?nextDmrs:nextPtrs;
+}
+/*******************************************************************
+ *
+ * NAME : nr_ptrs_cpe_estimation
+ *
+ * PARAMETERS : K_ptrs : K value for PTRS
+ * ptrsReOffset : RE offset for PTRS
+ * dmrsConfigType: DMRS configuration type
+ * nb_rb : No. of resource blocks
+ * rnti : RNTI
+ * ptrs_ch_p : pointer to ptrs channel structure
+ * Ns :
+ * symbol : OFDM symbol
+ * ofdm_symbol_size: OFDM Symbol Size
+ * rxF_comp : pointer to channel compensated signal
+ * gold_seq : Gold sequence pointer
+ * error_est : Estimated error output vector [Re Im]
+ * ptrs_sc : Total PTRS RE in a symbol
+ * RETURN : nothing
+ *
+ * DESCRIPTION :
+ * perform phase estimation from regenerated PTRS SC and channel compensated
+ * signal
+ *********************************************************************/
+void nr_ptrs_cpe_estimation(uint8_t K_ptrs,
+ uint8_t ptrsReOffset,
+ uint8_t dmrsConfigType,
+ uint16_t nb_rb,
+ uint16_t rnti,
+ int16_t *ptrs_ch_p,
+ unsigned char Ns,
+ unsigned char symbol,
+ uint16_t ofdm_symbol_size,
+ int16_t *rxF_comp,
+ uint32_t *gold_seq,
+ int16_t *error_est,
+ int32_t *ptrs_sc)
+{
+//#define DEBUG_PTRS 1
+ uint8_t is_ptrs_re = 0;
+ uint16_t re_cnt = 0;
+ uint16_t cnt = 0;
+ unsigned short nb_re_pdsch = NR_NB_SC_PER_RB * nb_rb;
+ uint16_t sc_per_symbol = (nb_rb + K_ptrs - 1)/K_ptrs;
+ int16_t *ptrs_p = (int16_t *)malloc(sizeof(int32_t)*(sc_per_symbol));
+ int16_t *dmrs_comp_p = (int16_t *)malloc(sizeof(int32_t)*(sc_per_symbol));
+ double abs = 0.0;
+ double real = 0.0;
+ double imag = 0.0;
+#ifdef DEBUG_PTRS
+ double alpha = 0;
+#endif
+ /* generate PTRS RE for the symbol */
+ nr_gen_ref_conj_symbols(gold_seq,sc_per_symbol*2,ptrs_p, NR_MOD_TABLE_QPSK_OFFSET,2);// 2 for QPSK
+
+ /* loop over all sub carriers to get compensated RE on ptrs symbols*/
+ for (int re = 0; re < nb_re_pdsch; re++) {
+ is_ptrs_re = is_ptrs_subcarrier(re,
+ rnti,
+ 0,
+ dmrsConfigType,
+ K_ptrs,
+ nb_rb,
+ ptrsReOffset,
+ 0,// start_re is 0 here
+ ofdm_symbol_size);
+ if(is_ptrs_re) {
+ dmrs_comp_p[re_cnt*2] = rxF_comp[re *2];
+ dmrs_comp_p[(re_cnt*2)+1] = rxF_comp[(re *2)+1];
+ re_cnt++;
+ }
+ else {
+ /* Skip PTRS symbols and keep data in a continuous vector */
+ rxF_comp[cnt *2]= rxF_comp[re *2];
+ rxF_comp[(cnt *2)+1]= rxF_comp[(re *2)+1];
+ cnt++;
+ }
+ }/* RE loop */
+ /* update the total ptrs RE in a symbol */
+ *ptrs_sc = re_cnt;
+
+ /*Multiple compensated data with conj of PTRS */
+ mult_cpx_vector(dmrs_comp_p, ptrs_p, ptrs_ch_p,(1 + sc_per_symbol/4)*4,15); // 2^15 shifted
+
+ /* loop over all ptrs sub carriers in a symbol */
+ /* sum the error vector */
+ for(int i = 0;i < sc_per_symbol; i++) {
+ real+= ptrs_ch_p[(2*i)];
+ imag+= ptrs_ch_p[(2*i)+1];
+ }
+#ifdef DEBUG_PTRS
+ alpha = atan(imag/real);
+ printf("[PHY][PTRS]: Symbol %d atan(Im,real):= %f \n",symbol, alpha );
+#endif
+ /* mean */
+ real /= sc_per_symbol;
+ imag /= sc_per_symbol;
+ /* absolute calculation */
+ abs = sqrt(((real * real) + (imag * imag)));
+ /* normalized error estimation */
+ error_est[0]= (real / abs)*(1<<15);
+ /* compensation in given by conjugate of estimated phase (e^-j*2*pi*fd*t)*/
+ error_est[1]= (-1)*(imag / abs)*(1<<15);
+#ifdef DEBUG_PTRS
+ printf("[PHY][PTRS]: Estimated Symbol %d -> %d + j* %d \n",symbol, error_est[0], error_est[1] );
+#endif
+ /* free vectors */
+ free(ptrs_p);
+ free(dmrs_comp_p);
+}
+
+
+/*******************************************************************
+ *
+ * NAME : nr_ptrs_process_slot
+ *
+ * PARAMETERS : dmrsSymbPos DMRS symbol index mask per slot
+ * ptrsSymbpos PTRS symbol index mask per slot
+ * estPerSymb Estimated CPE pointer
+ * startSymbIdx First symbol index in a slot
+ * noSymb total number of OFDM symbols in a slot
+ * RETURN : True if slot is process correctly
+ * DESCRIPTION :
+ * Process whole slot and interpolate or extrapolate estimation for the symbols
+ * where there is neither PTRS nor DMRS configured
+ *
+ *********************************************************************/
+int8_t nr_ptrs_process_slot(uint16_t dmrsSymbPos,
+ uint16_t ptrsSymbPos,
+ int16_t *estPerSymb,
+ uint16_t startSymbIdx,
+ uint16_t noSymb)
+{
+ double slope[2] = {0,0};
+ double *slope_p = &slope[0];
+ uint8_t symbInSlot = startSymbIdx + noSymb;
+ int8_t rightRef = 0;
+ int8_t leftRef = 0;
+ int8_t tmp = 0;
+ for(uint8_t symb = startSymbIdx; symb %4d %4d from Slope (%4f %4f)\n", start+i,error_est[(start+i)*2],error_est[((start +i)*2)+1],
+ slope_p[0],slope_p[1]);
+#endif
+ }
+}
diff --git a/openair1/PHY/NR_REFSIG/ptrs_nr.h b/openair1/PHY/NR_REFSIG/ptrs_nr.h
index e8a4e61232..41acde0d06 100644
--- a/openair1/PHY/NR_REFSIG/ptrs_nr.h
+++ b/openair1/PHY/NR_REFSIG/ptrs_nr.h
@@ -80,6 +80,31 @@ uint8_t is_ptrs_subcarrier(uint16_t k,
static inline uint8_t is_ptrs_symbol(uint8_t l, uint16_t ptrs_symbols) { return ((ptrs_symbols >> l) & 1); }
+uint8_t get_ptrs_symbols_in_slot(uint16_t l_prime_mask, uint16_t start_symb, uint16_t nb_symb);
+int8_t get_next_ptrs_symbol_in_slot(uint16_t ptrsSymbPos, uint8_t counter, uint8_t nb_symb);
+int8_t get_next_estimate_in_slot(uint16_t ptrsSymbPos,uint16_t dmrsSymbPos, uint8_t counter,uint8_t nb_symb);
+int8_t nr_ptrs_process_slot(uint16_t dmrsSymbPos,
+ uint16_t ptrsSymbPos,
+ int16_t *estPerSymb,
+ uint16_t startSymbIdx,
+ uint16_t noSymb
+ );
+/* general function to estimate common phase error based upon PTRS */
+void nr_ptrs_cpe_estimation(uint8_t K_ptrs,
+ uint8_t ptrsReOffset,
+ uint8_t dmrsConfigType,
+ uint16_t nb_rb,
+ uint16_t rnti,
+ int16_t *ptrs_ch_p,
+ unsigned char Ns,
+ unsigned char symbol,
+ uint16_t ofdm_symbol_size,
+ int16_t *rxF_comp,
+ uint32_t *gold_seq,
+ int16_t *error_est,
+ int32_t *ptrs_sc);
+void get_slope_from_estimates(uint8_t start, uint8_t end, int16_t *est_p, double *slope_p);
+void ptrs_estimate_from_slope(int16_t *error_est, double *slope_p, uint8_t start, uint8_t end);
#endif /* PTRS_NR_H */
diff --git a/openair1/PHY/NR_REFSIG/refsig_defs_ue.h b/openair1/PHY/NR_REFSIG/refsig_defs_ue.h
index 93a64051de..f349cfcd98 100644
--- a/openair1/PHY/NR_REFSIG/refsig_defs_ue.h
+++ b/openair1/PHY/NR_REFSIG/refsig_defs_ue.h
@@ -61,9 +61,7 @@ void nr_gold_pdcch(PHY_VARS_NR_UE* ue,
unsigned short length_dmrs);
void nr_gold_pdsch(PHY_VARS_NR_UE* ue,
- unsigned short lbar,
- unsigned short *n_idDMRS,
- unsigned short length_dmrs);
+ unsigned short *n_idDMRS);
void nr_init_pusch_dmrs(PHY_VARS_NR_UE* ue,
uint16_t *N_n_scid,
diff --git a/openair1/PHY/NR_TRANSPORT/nr_dlsch.c b/openair1/PHY/NR_TRANSPORT/nr_dlsch.c
index 7b275ea981..d1b868eac8 100644
--- a/openair1/PHY/NR_TRANSPORT/nr_dlsch.c
+++ b/openair1/PHY/NR_TRANSPORT/nr_dlsch.c
@@ -35,7 +35,9 @@
#include "nr_sch_dmrs.h"
#include "PHY/MODULATION/nr_modulation.h"
#include "PHY/NR_REFSIG/dmrs_nr.h"
+#include "PHY/NR_REFSIG/ptrs_nr.h"
#include "common/utils/LOG/vcd_signal_dumper.h"
+#include "LAYER2/NR_MAC_gNB/mac_proto.h"
//#define DEBUG_DLSCH
//#define DEBUG_DLSCH_MAPPING
@@ -117,8 +119,8 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB,
uint32_t ***pdsch_dmrs = gNB->nr_gold_pdsch_dmrs[slot];
int32_t** txdataF = gNB->common_vars.txdataF;
int16_t amp = AMP;
- NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms;
int xOverhead = 0;
+ NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms;
time_stats_t *dlsch_encoding_stats=&gNB->dlsch_encoding_stats;
time_stats_t *dlsch_scrambling_stats=&gNB->dlsch_scrambling_stats;
time_stats_t *dlsch_modulation_stats=&gNB->dlsch_modulation_stats;
@@ -152,13 +154,31 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB,
nb_re_dmrs = 4*rel15->numDmrsCdmGrpsNoData;
n_dmrs = ((rel15->rbSize+rel15->rbStart)*4)<<1;
}
- uint16_t nb_re;
- nb_re = ((12*rel15->NrOfSymbols)-nb_re_dmrs-xOverhead)*rel15->rbSize*rel15->nrOfLayers;
+
+ uint16_t dmrs_symbol_map = rel15->dlDmrsSymbPos;//single DMRS: 010000100 Double DMRS 110001100
+ uint8_t dmrs_len = get_num_dmrs(rel15->dlDmrsSymbPos);
+ uint16_t nb_re = ((12*rel15->NrOfSymbols)-nb_re_dmrs*dmrs_len-xOverhead)*rel15->rbSize*rel15->nrOfLayers;
uint8_t Qm = rel15->qamModOrder[0];
uint32_t encoded_length = nb_re*Qm;
int16_t mod_dmrs[14][n_dmrs] __attribute__ ((aligned(16)));
-
-
+
+ /* PTRS */
+ uint16_t beta_ptrs = 1;
+ uint8_t ptrs_symbol = 0;
+ uint16_t dlPtrsSymPos = 0;
+ uint16_t n_ptrs = 0;
+ uint16_t ptrs_idx = 0;
+ uint8_t is_ptrs_re = 0;
+ if(rel15->pduBitmap & 0x1) {
+ set_ptrs_symb_idx(&dlPtrsSymPos,
+ rel15->NrOfSymbols,
+ rel15->StartSymbolIndex,
+ 1<PTRSTimeDensity,
+ rel15->dlDmrsSymbPos);
+ n_ptrs = (rel15->rbSize + rel15->PTRSFreqDensity - 1)/rel15->PTRSFreqDensity;
+ }
+ int16_t mod_ptrs[n_ptrs<<1] __attribute__ ((aligned(16)));
+
/// CRC, coding, interleaving and rate matching
AssertFatal(harq->pdu!=NULL,"harq->pdu is null\n");
start_meas(dlsch_encoding_stats);
@@ -251,22 +271,21 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB,
/// DMRS QPSK modulation
for (int l=rel15->StartSymbolIndex; lStartSymbolIndex+rel15->NrOfSymbols; l++) {
- if (rel15->dlDmrsSymbPos & (1 << l))
+ if (rel15->dlDmrsSymbPos & (1 << l)) {
nr_modulation(pdsch_dmrs[l][0], n_dmrs, DMRS_MOD_ORDER, mod_dmrs[l]); // currently only codeword 0 is modulated. Qm = 2 as DMRS is QPSK modulated
- }
#ifdef DEBUG_DLSCH
- l0 = get_l0(rel15->dlDmrsSymbPos);
- printf("DMRS modulation (single symbol %d, %d symbols, type %d):\n", l0, n_dmrs>>1, dmrs_Type);
- for (int i=0; i>4; i++) {
- for (int j=0; j<8; j++) {
- printf("%d %d\t", mod_dmrs[((i<<3)+j)<<1], mod_dmrs[(((i<<3)+j)<<1)+1]);
- }
- printf("\n");
- }
+ printf("DMRS modulation (symbol %d, %d symbols, type %d):\n", l, n_dmrs>>1, dmrs_Type);
+ for (int i=0; i>4; i++) {
+ for (int j=0; j<8; j++) {
+ printf("%d %d\t", mod_dmrs[l][((i<<3)+j)<<1], mod_dmrs[l][(((i<<3)+j)<<1)+1]);
+ }
+ printf("\n");
+ }
#endif
-
-
+ }
+ }
+
/// Resource mapping
// Non interleaved VRB to PRB mapping
@@ -293,30 +312,63 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB,
printf("DMRS Type %d params for ap %d: Wt %d %d \t Wf %d %d \t delta %d \t l_prime %d \t l0 %d\tDMRS symbol %d\n",
1+dmrs_Type,ap, Wt[0], Wt[1], Wf[0], Wf[1], delta, l_prime, l0, dmrs_symbol);
#endif
- uint8_t k_prime=0;
- uint16_t m=0, n=0, dmrs_idx=0, k=0;
-
+
+ uint16_t m=0, dmrs_idx=0, k=0;
+
int txdataF_offset = (slot%2)*frame_parms->samples_per_slot_wCP;
+ // Loop Over OFDM symbols:
for (int l=rel15->StartSymbolIndex; lStartSymbolIndex+rel15->NrOfSymbols; l++) {
+ /// DMRS QPSK modulation
+ uint8_t k_prime=0;
+ uint16_t n=0;
+ if ((dmrs_symbol_map & (1 << l))){ //DMRS time occasion
+ if (dmrs_Type == NFAPI_NR_DMRS_TYPE1) // another if condition to be included to check pdsch config type (reference of k)
+ dmrs_idx = rel15->rbStart*6;
+ else
+ dmrs_idx = rel15->rbStart*4;
+ }
+
+ // Update l_prime in the case of double DMRS config
+ if ((dmrs_symbol_map & (1 << l))){ //DMRS time occasion
+ if (l==(l_overline+1)) //take into account the double DMRS symbols
+ l_prime = 1;
+ else if (l>(l_overline+1)) {//new DMRS pair
+ l_overline = l;
+ l_prime = 0;
+ }
+ }
+
+ /* calculate if current symbol is PTRS symbols */
+ ptrs_idx = 0;
+
+ if(rel15->pduBitmap & 0x1) {
+ ptrs_symbol = is_ptrs_symbol(l,dlPtrsSymPos);
+ if(ptrs_symbol) {
+ /* PTRS QPSK Modulation for each OFDM symbol in a slot */
+ nr_modulation(pdsch_dmrs[l][0], (n_ptrs<<1), DMRS_MOD_ORDER, mod_ptrs);
+ }
+ }
k = start_sc;
- n = 0;
- k_prime = 0;
- if (dmrs_Type == NFAPI_NR_DMRS_TYPE1) // another if condition to be included to check pdsch config type (reference of k)
- dmrs_idx = rel15->rbStart*6;
- else
- dmrs_idx = rel15->rbStart*4;
+ // Loop Over SCs:
for (int i=0; irbSize*NR_NB_SC_PER_RB; i++) {
+ /* check if cuurent RE is PTRS RE*/
+ is_ptrs_re=0;
+ /* check for PTRS symbol and set flag for PTRS RE */
+ if(ptrs_symbol){
+ is_ptrs_re = is_ptrs_subcarrier(k,
+ rel15->rnti,
+ ap,
+ rel15->dmrsConfigType,
+ rel15->PTRSFreqDensity,
+ rel15->rbSize,
+ rel15->PTRSReOffset,
+ start_sc,
+ frame_parms->ofdm_symbol_size);
+ }
- if ((rel15->dlDmrsSymbPos & (1 << l)) && (k == ((start_sc+get_dmrs_freq_idx(n, k_prime, delta, dmrs_Type))%(frame_parms->ofdm_symbol_size)))) {
-
- if (l==(l_overline+1)) //take into account the double DMRS symbols
- l_prime = 1;
- else if (l>(l_overline+1)) {//new DMRS pair
- l_overline = l;
- l_prime = 0;
- }
-
+ /* Map DMRS Symbol */
+ if ( ( dmrs_symbol_map & (1 << l) ) && (k == ((start_sc+get_dmrs_freq_idx(n, k_prime, delta, dmrs_Type))%(frame_parms->ofdm_symbol_size)))) {
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)] = (Wt[l_prime]*Wf[k_prime]*amp*mod_dmrs[l][dmrs_idx<<1]) >> 15;
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)] = (Wt[l_prime]*Wf[k_prime]*amp*mod_dmrs[l][(dmrs_idx<<1) + 1]) >> 15;
#ifdef DEBUG_DLSCH_MAPPING
@@ -328,10 +380,21 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB,
k_prime++;
k_prime&=1;
n+=(k_prime)?0:1;
-
- } else {
-
- if( (!(rel15->dlDmrsSymbPos & (1 << l))) || allowed_xlsch_re_in_dmrs_symbol(k,start_sc,frame_parms->ofdm_symbol_size,rel15->numDmrsCdmGrpsNoData,dmrs_Type)) {
+ }
+ /* Map PTRS Symbol */
+ else if(is_ptrs_re){
+ ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)] = (beta_ptrs*amp*mod_ptrs[ptrs_idx<<1]) >> 15;
+ ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)] = (beta_ptrs*amp*mod_ptrs[(ptrs_idx<<1) + 1])>> 15;
+#ifdef DEBUG_DLSCH_MAPPING
+ printf("ptrs_idx %d\t l %d \t k %d \t k_prime %d \t n %d \t txdataF: %d %d\n",
+ ptrs_idx, l, k, k_prime, n, ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)],
+ ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)]);
+#endif
+ ptrs_idx++;
+ }
+ /* Map DATA Symbol */
+ else {
+ if( (!(dmrs_symbol_map & (1 << l))) || allowed_xlsch_re_in_dmrs_symbol(k,start_sc,frame_parms->ofdm_symbol_size,rel15->numDmrsCdmGrpsNoData,dmrs_Type)) {
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)] = (amp * tx_layers[ap][m<<1]) >> 15;
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)] = (amp * tx_layers[ap][(m<<1) + 1]) >> 15;
#ifdef DEBUG_DLSCH_MAPPING
diff --git a/openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c b/openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c
index 80d6d13d9e..cb395ff4af 100644
--- a/openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c
+++ b/openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c
@@ -328,8 +328,7 @@ int nr_dlsch_encoding(PHY_VARS_gNB *gNB,
uint16_t nb_rb = rel15->rbSize;
uint8_t nb_symb_sch = rel15->NrOfSymbols;
uint32_t A, Kb, F=0;
- static uint32_t Z = 0;
- uint32_t *Zc = &Z;
+ uint32_t *Zc = &dlsch->harq_processes[harq_pid]->Z;
uint8_t mod_order = rel15->qamModOrder[0];
uint16_t Kr=0,r;
uint32_t r_offset=0;
diff --git a/openair1/PHY/NR_TRANSPORT/nr_prach.c b/openair1/PHY/NR_TRANSPORT/nr_prach.c
index ba0705cde7..b5a3c061e9 100644
--- a/openair1/PHY/NR_TRANSPORT/nr_prach.c
+++ b/openair1/PHY/NR_TRANSPORT/nr_prach.c
@@ -185,10 +185,10 @@ void rx_nr_prach_ru(RU_t *ru,
for (int aa=0; aanb_rx; aa++){
if (prach_sequence_length == 0) slot2=(slot/fp->slots_per_subframe)*fp->slots_per_subframe;
- prach[aa] = (int16_t*)&ru->common.rxdata[aa][(slot2*fp->get_samples_per_slot(slot,fp))+sample_offset_slot-ru->N_TA_offset];
+ prach[aa] = (int16_t*)&ru->common.rxdata[aa][fp->get_samples_slot_timestamp(slot2,fp,0)+sample_offset_slot-ru->N_TA_offset];
}
-
+ idft_size_idx_t dftsize;
int dftlen=0;
int mu = fp->numerology_index;
int Ncp = 0;
@@ -269,7 +269,8 @@ void rx_nr_prach_ru(RU_t *ru,
if (LOG_DEBUGFLAG(PRACH)) {
LOG_D(PHY,"rx_prach: Doing PRACH FFT for nb_rx:%d Ncp:%d\n",ru->nb_rx, Ncp);
}
- AssertFatal(mu==1,"only 30 kHz SCS handled for now\n");
+
+
// Note: Assumes PUSCH SCS @ 30 kHz, take values for formats 0-2 and adjust for others below
int kbar = 1;
@@ -299,6 +300,7 @@ void rx_nr_prach_ru(RU_t *ru,
AssertFatal(prach[aa]!=NULL,"prach[%d] is null\n",aa);
// do DFT
+ if (mu==1) {
if (fp->N_RB_UL <= 100)
AssertFatal(1==0,"N_RB_UL %d not support for NR PRACH yet\n",fp->N_RB_UL);
else if (fp->N_RB_UL < 137) {
@@ -327,36 +329,29 @@ void rx_nr_prach_ru(RU_t *ru,
}
}// 839 sequence
else {
- if ((mu==0 &&
- (prachStartSymbol == 0 || prachStartSymbol == 7)) ||
- (mu==1 && prachStartSymbol == 0)) prach2+=64; // 32 samples @ 61.44 Ms/s in first symbol of each half subframe (15/30 kHz only)
+ if (prachStartSymbol == 0)
+ prach2+=64; // 32 samples @ 61.44 Ms/s in first symbol of each half subframe (15/30 kHz only)
- if (mu==0) AssertFatal(1==0,"Shouldn't get here\n");
- else if (mu==1) {
- dftlen=2048;
- dft(DFT_2048,prach2,rxsigF[aa],1);
- if (prachFormat != 9/*C0*/) {
- dft(DFT_2048,prach2+4096,rxsigF[aa]+4096,1);
- reps++;
- }
- if (prachFormat == 5/*A2*/ || prachFormat == 6/*A3*/|| prachFormat == 8/*B4*/ || prachFormat == 10/*C2*/) {
- dft(DFT_2048,prach2+4096*2,rxsigF[aa]+4096*2,1);
- dft(DFT_2048,prach2+4096*3,rxsigF[aa]+4096*3,1);
- reps+=2;
- }
- if (prachFormat == 6/*A3*/ || prachFormat == 8/*B4*/) {
- dft(DFT_2048,prach2+4096*4,rxsigF[aa]+4096*4,1);
- dft(DFT_2048,prach2+4096*5,rxsigF[aa]+4096*5,1);
- reps+=2;
- }
- if (prachFormat == 8/*B4*/) {
- for (int i=6;i<12;i++) dft(DFT_2048,prach2+(4096*i),rxsigF[aa]+(4096*i),1);
- reps+=6;
- }
+ dftlen=2048;
+ dft(DFT_2048,prach2,rxsigF[aa],1);
+ if (prachFormat != 9/*C0*/) {
+ dft(DFT_2048,prach2+4096,rxsigF[aa]+4096,1);
+ reps++;
+ }
+ if (prachFormat == 5/*A2*/ || prachFormat == 6/*A3*/|| prachFormat == 8/*B4*/ || prachFormat == 10/*C2*/) {
+ dft(DFT_2048,prach2+4096*2,rxsigF[aa]+4096*2,1);
+ dft(DFT_2048,prach2+4096*3,rxsigF[aa]+4096*3,1);
+ reps+=2;
+ }
+ if (prachFormat == 6/*A3*/ || prachFormat == 8/*B4*/) {
+ dft(DFT_2048,prach2+4096*4,rxsigF[aa]+4096*4,1);
+ dft(DFT_2048,prach2+4096*5,rxsigF[aa]+4096*5,1);
+ reps+=2;
+ }
+ if (prachFormat == 8/*B4*/) {
+ for (int i=6;i<12;i++) dft(DFT_2048,prach2+(4096*i),rxsigF[aa]+(4096*i),1);
+ reps+=6;
}
- else if (mu==2) AssertFatal(1==0,"Shouldn't get here\n");
- else if (mu==3) AssertFatal(1==0,"Shouldn't get here\n");
- else if (mu==4) AssertFatal(1==0,"Shouldn't get here\n");
}
} else { // threequarter sampling
// 40 MHz @ 46.08 Ms/s
@@ -383,36 +378,28 @@ void rx_nr_prach_ru(RU_t *ru,
reps=4;
}
} else {
- if ((mu==0 &&
- (prachStartSymbol == 0 || prachStartSymbol == 7)) ||
- (mu==1 && prachStartSymbol == 0)) prach2+=48; // 24 samples @ 46.08 Ms/s in first symbol of each half subframe (15/30 kHz only)
- if (mu==0) AssertFatal(1==0,"Shouldn't get here\n");
- else if (mu==1) {
- dftlen=1536;
- dft(DFT_1536,prach2,rxsigF[aa],1);
- if (prachFormat != 9/*C0*/) {
- dft(DFT_1536,prach2+3072,rxsigF[aa]+3072,1);
- reps++;
- }
-
- if (prachFormat == 5/*A2*/ || prachFormat == 6/*A3*/|| prachFormat == 8/*B4*/ || prachFormat == 10/*C2*/) {
- dft(DFT_1536,prach2+3072*2,rxsigF[aa]+3072*2,1);
- dft(DFT_1536,prach2+3072*3,rxsigF[aa]+3072*3,1);
- reps+=2;
- }
- if (prachFormat == 6/*A3*/ || prachFormat == 8/*B4*/) {
- dft(DFT_1536,prach2+3072*4,rxsigF[aa]+3072*4,1);
- dft(DFT_1536,prach2+3072*5,rxsigF[aa]+3072*5,1);
- reps+=2;
- }
- if (prachFormat == 8/*B4*/) {
- for (int i=6;i<12;i++) dft(DFT_1536,prach2+(3072*i),rxsigF[aa]+(3072*i),1);
- reps+=6;
- }
- }// mu==1
- else if (mu==2) AssertFatal(1==0,"Shouldn't get here\n");
- else if (mu==3) AssertFatal(1==0,"Shouldn't get here\n");
- else if (mu==4) AssertFatal(1==0,"Shouldn't get here\n");
+ if (prachStartSymbol == 0) prach2+=48; // 24 samples @ 46.08 Ms/s in first symbol of each half subframe (15/30 kHz only)
+ dftlen=1536;
+ dft(DFT_1536,prach2,rxsigF[aa],1);
+ if (prachFormat != 9/*C0*/) {
+ dft(DFT_1536,prach2+3072,rxsigF[aa]+3072,1);
+ reps++;
+ }
+
+ if (prachFormat == 5/*A2*/ || prachFormat == 6/*A3*/|| prachFormat == 8/*B4*/ || prachFormat == 10/*C2*/) {
+ dft(DFT_1536,prach2+3072*2,rxsigF[aa]+3072*2,1);
+ dft(DFT_1536,prach2+3072*3,rxsigF[aa]+3072*3,1);
+ reps+=2;
+ }
+ if (prachFormat == 6/*A3*/ || prachFormat == 8/*B4*/) {
+ dft(DFT_1536,prach2+3072*4,rxsigF[aa]+3072*4,1);
+ dft(DFT_1536,prach2+3072*5,rxsigF[aa]+3072*5,1);
+ reps+=2;
+ }
+ if (prachFormat == 8/*B4*/) {
+ for (int i=6;i<12;i++) dft(DFT_1536,prach2+(3072*i),rxsigF[aa]+(3072*i),1);
+ reps+=6;
+ }
} // short format
} // 3/4 sampling
} // <=50 MHz BW
@@ -442,37 +429,29 @@ void rx_nr_prach_ru(RU_t *ru,
}
}
else {
- if ((mu==0 &&
- (prachStartSymbol == 0 || prachStartSymbol == 7)) ||
- (mu==1 && prachStartSymbol == 0)) prach2+=128; // 64 samples @ 122.88 Ms/s in first symbol of each half subframe (15/30 kHz only)
+ if (prachStartSymbol == 0) prach2+=128; // 64 samples @ 122.88 Ms/s in first symbol of each half subframe (15/30 kHz only)
- if (mu==0) AssertFatal(1==0,"Shouldn't get here\n");
- else if (mu==1) {
- dftlen=4096;
- dft(DFT_4096,prach2,rxsigF[aa],1);
- if (prachFormat != 9/*C0*/) {
- dft(DFT_4096,prach2+8192,rxsigF[aa]+8192,1);
- reps++;
- }
-
- if (prachFormat == 5/*A2*/ || prachFormat == 6/*A3*/|| prachFormat == 8/*B4*/ || prachFormat == 10/*C2*/) {
- dft(DFT_4096,prach2+8192*2,rxsigF[aa]+8192*2,1);
- dft(DFT_4096,prach2+8192*3,rxsigF[aa]+8192*3,1);
- reps+=2;
- }
- if (prachFormat == 6/*A3*/ || prachFormat == 8/*B4*/) {
- dft(DFT_4096,prach2+8192*4,rxsigF[aa]+8192*4,1);
- dft(DFT_4096,prach2+8192*5,rxsigF[aa]+8192*5,1);
- reps+=2;
- }
- if (prachFormat == 8/*B4*/) {
- for (int i=6;i<12;i++) dft(DFT_4096,prach2+(8192*i),rxsigF[aa]+(8192*i),1);
- reps+=6;
- }
+ dftlen=4096;
+ dft(DFT_4096,prach2,rxsigF[aa],1);
+ if (prachFormat != 9/*C0*/) {
+ dft(DFT_4096,prach2+8192,rxsigF[aa]+8192,1);
+ reps++;
+ }
+
+ if (prachFormat == 5/*A2*/ || prachFormat == 6/*A3*/|| prachFormat == 8/*B4*/ || prachFormat == 10/*C2*/) {
+ dft(DFT_4096,prach2+8192*2,rxsigF[aa]+8192*2,1);
+ dft(DFT_4096,prach2+8192*3,rxsigF[aa]+8192*3,1);
+ reps+=2;
+ }
+ if (prachFormat == 6/*A3*/ || prachFormat == 8/*B4*/) {
+ dft(DFT_4096,prach2+8192*4,rxsigF[aa]+8192*4,1);
+ dft(DFT_4096,prach2+8192*5,rxsigF[aa]+8192*5,1);
+ reps+=2;
+ }
+ if (prachFormat == 8/*B4*/) {
+ for (int i=6;i<12;i++) dft(DFT_4096,prach2+(8192*i),rxsigF[aa]+(8192*i),1);
+ reps+=6;
}
- else if (mu==2) AssertFatal(1==0,"Shouldn't get here\n");
- else if (mu==3) AssertFatal(1==0,"Shouldn't get here\n");
- else if (mu==4) AssertFatal(1==0,"Shouldn't get here\n");
}
} else {
AssertFatal(fp->N_RB_UL <= 217,"cannot do more than 217 PRBs with 3/4 sampling\n");
@@ -494,40 +473,85 @@ void rx_nr_prach_ru(RU_t *ru,
reps=4;
}
} else {
- if ((mu==0 &&
- (prachStartSymbol == 0 || prachStartSymbol == 7)) ||
- (mu==1 && prachStartSymbol == 0)) prach2+=96; // 64 samples @ 122.88 Ms/s in first symbol of each half subframe (15/30 kHz only)
+ if (prachStartSymbol == 0) prach2+=96; // 64 samples @ 122.88 Ms/s in first symbol of each half subframe (15/30 kHz only)
- if (mu==0) AssertFatal(1==0,"Shouldn't get here\n");
- else if (mu==1) {
- dftlen=3072;
- dft(DFT_3072,prach2,rxsigF[aa],1);
- if (prachFormat != 9/*C0*/) {
- dft(DFT_3072,prach2+6144,rxsigF[aa]+6144,1);
- reps++;
- }
-
- if (prachFormat == 5/*A2*/ || prachFormat == 6/*A3*/|| prachFormat == 8/*B4*/ || prachFormat == 10/*C2*/) {
- dft(DFT_3072,prach2+6144*2,rxsigF[aa]+6144*2,1);
- dft(DFT_3072,prach2+6144*3,rxsigF[aa]+6144*3,1);
- reps+=2;
- }
- if (prachFormat == 6/*A3*/ || prachFormat == 8/*B4*/) {
- dft(DFT_3072,prach2+6144*4,rxsigF[aa]+6144*4,1);
- dft(DFT_3072,prach2+6144*5,rxsigF[aa]+6144*5,1);
- reps+=2;
- }
- if (prachFormat == 8/*B4*/) {
- for (int i=6;i<12;i++) dft(DFT_3072,prach2+(6144*i),rxsigF[aa]+(6144*i),1);
- reps+=6;
- }
+ dftlen=3072;
+ dft(DFT_3072,prach2,rxsigF[aa],1);
+ if (prachFormat != 9/*C0*/) {
+ dft(DFT_3072,prach2+6144,rxsigF[aa]+6144,1);
+ reps++;
+ }
+
+ if (prachFormat == 5/*A2*/ || prachFormat == 6/*A3*/|| prachFormat == 8/*B4*/ || prachFormat == 10/*C2*/) {
+ dft(DFT_3072,prach2+6144*2,rxsigF[aa]+6144*2,1);
+ dft(DFT_3072,prach2+6144*3,rxsigF[aa]+6144*3,1);
+ reps+=2;
+ }
+ if (prachFormat == 6/*A3*/ || prachFormat == 8/*B4*/) {
+ dft(DFT_3072,prach2+6144*4,rxsigF[aa]+6144*4,1);
+ dft(DFT_3072,prach2+6144*5,rxsigF[aa]+6144*5,1);
+ reps+=2;
+ }
+ if (prachFormat == 8/*B4*/) {
+ for (int i=6;i<12;i++) dft(DFT_3072,prach2+(6144*i),rxsigF[aa]+(6144*i),1);
+ reps+=6;
}
- else if (mu==2) AssertFatal(1==0,"Shouldn't get here\n");
- else if (mu==3) AssertFatal(1==0,"Shouldn't get here\n");
- else if (mu==4) AssertFatal(1==0,"Shouldn't get here\n");
}
}
}
+ }
+ else if (mu==3) {
+ if (fp->threequarter_fs) {
+ AssertFatal(1==0,"3/4 sampling not supported for numerology %d\n",mu);
+ }
+ if (prach_sequence_length == 0) {
+ AssertFatal(1==0,"long prach not supported for numerology %d\n",mu);
+ }
+ if (fp->N_RB_UL == 32) {
+ prach2 = prach[aa] + (Ncp<<2); // Ncp is for 30.72 Ms/s, so multiply by 2 for I/Q, and 2 for 61.44Msps
+ if (slot%(fp->slots_per_subframe/2)==0 && prachStartSymbol == 0)
+ prach2+=64; // 32 samples @ 61.44 Ms/s in first symbol of each half subframe
+ dftlen=512;
+ dftsize = DFT_512;
+ }
+ else if (fp->N_RB_UL == 66) {
+ prach2 = prach[aa] + (Ncp<<3); // Ncp is for 30.72 Ms/s, so multiply by 4 for I/Q, and 2 for 122.88Msps
+ if (slot%(fp->slots_per_subframe/2)==0 && prachStartSymbol == 0)
+ prach2+=128; // 64 samples @ 122.88 Ms/s in first symbol of each half subframe
+ dftlen=1024;
+ dftsize = DFT_1024;
+ }
+ else {
+ AssertFatal(1==0,"N_RB_UL %d not support for numerology %d\n",fp->N_RB_UL,mu);
+ }
+
+ dft(dftsize,prach2,rxsigF[aa],1);
+ if (prachFormat != 9/*C0*/) {
+ dft(dftsize,prach2+dftlen*2,rxsigF[aa]+dftlen*2,1);
+ reps++;
+ }
+
+ if (prachFormat == 5/*A2*/ || prachFormat == 6/*A3*/|| prachFormat == 8/*B4*/ || prachFormat == 10/*C2*/) {
+ dft(dftsize,prach2+dftlen*4,rxsigF[aa]+dftlen*4,1);
+ dft(dftsize,prach2+dftlen*6,rxsigF[aa]+dftlen*6,1);
+ reps+=2;
+ }
+ if (prachFormat == 6/*A3*/ || prachFormat == 8/*B4*/) {
+ dft(dftsize,prach2+dftlen*8,rxsigF[aa]+dftlen*8,1);
+ dft(dftsize,prach2+dftlen*10,rxsigF[aa]+dftlen*10,1);
+ reps+=2;
+ }
+ if (prachFormat == 8/*B4*/) {
+ for (int i=6;i<12;i++)
+ dft(dftsize,prach2+(dftlen*2*i),rxsigF[aa]+(dftlen*2*i),1);
+ reps+=6;
+ }
+ }
+ else {
+ AssertFatal(1==0,"Numerology not supported\n");
+ }
+
+ //LOG_M("ru_rxsigF_tmp.m","rxsFtmp", rxsigF[aa], dftlen*2*reps, 1, 1);
//Coherent combining of PRACH repetitions (assumes channel does not change, to be revisted for "long" PRACH)
LOG_D(PHY,"Doing PRACH combining of %d reptitions N_ZC %d\n",reps,N_ZC);
diff --git a/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c b/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c
index 4622c31db3..1372250aca 100644
--- a/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c
+++ b/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c
@@ -1234,16 +1234,16 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB,
{
start_meas(&gNB->ulsch_ptrs_processing_stats);
nr_pusch_ptrs_processing(gNB,
+ frame_parms,
rel15_ul,
ulsch_id,
nr_tti_rx,
- dmrs_symbol_flag,
symbol,
nb_re_pusch);
stop_meas(&gNB->ulsch_ptrs_processing_stats);
/* Subtract total PTRS RE's in the symbol from PUSCH RE's */
- gNB->pusch_vars[ulsch_id]->ul_valid_re_per_slot[symbol] -= gNB->pusch_vars[ulsch_id]->ptrs_sc_per_ofdm_symbol;
+ gNB->pusch_vars[ulsch_id]->ul_valid_re_per_slot[symbol] -= gNB->pusch_vars[ulsch_id]->ptrs_re_per_slot;
}
/*---------------------------------------------------------------------------------------------------- */
diff --git a/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c b/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
index bbf4036ab8..0a37f7d6ad 100644
--- a/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
+++ b/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
@@ -24,6 +24,9 @@
#include "SCHED_NR_UE/defs.h"
#include "nr_estimation.h"
#include "PHY/NR_REFSIG/refsig_defs_ue.h"
+#include "PHY/NR_REFSIG/nr_refsig.h"
+#include "PHY/NR_REFSIG/dmrs_nr.h"
+#include "PHY/NR_REFSIG/ptrs_nr.h"
#include "PHY/NR_TRANSPORT/nr_sch_dmrs.h"
#include "filt16a_32.h"
@@ -667,7 +670,7 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
int **dl_ch_estimates =ue->pdsch_vars[proc->thread_id][eNB_offset]->dl_ch_estimates;
int **rxdataF=ue->common_vars.common_vars_rx_data_per_thread[proc->thread_id].rxdataF;
- if (ue->high_speed_flag == 0) // use second channel estimate position for temporary storage
+ if (ue->high_speed_flag == 0)
ch_offset = ue->frame_parms.ofdm_symbol_size ;
else
ch_offset = ue->frame_parms.ofdm_symbol_size*symbol;
@@ -686,7 +689,7 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
uint16_t rb_offset = (bwp_start_subcarrier - ue->frame_parms.first_carrier_offset) / 12;
uint8_t config_type = ue->dmrs_DownlinkConfig.pdsch_dmrs_type;
int8_t delta = get_delta(p, config_type);
- nr_pdsch_dmrs_rx(ue,Ns,ue->nr_gold_pdsch[eNB_offset][Ns][0], &pilot[0],1000+p,0,nb_rb_pdsch+rb_offset);
+ nr_pdsch_dmrs_rx(ue,Ns,ue->nr_gold_pdsch[eNB_offset][Ns][symbol], &pilot[0],1000,0,nb_rb_pdsch+rb_offset);
if (config_type == pdsch_dmrs_type1){
nushift = (p>>1)&1;
@@ -1196,3 +1199,168 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
}
return(0);
}
+
+/*******************************************************************
+ *
+ * NAME : nr_pdsch_ptrs_processing
+ *
+ * PARAMETERS : ue : ue data structure
+ * NR_UE_PDSCH : pdsch_vars pointer
+ * NR_DL_FRAME_PARMS : frame_parms pointer
+ * NR_DL_UE_HARQ_t : dlsch0_harq pointer
+ * NR_DL_UE_HARQ_t : dlsch1_harq pointer
+ * uint8_t : eNB_id,
+ * uint8_t : nr_slot_rx,
+ * unsigned char : symbol,
+ * uint32_t : nb_re_pdsch,
+ * unsigned char : harq_pid
+ * uint16_t : rnti
+ * RX_type_t : rx_type
+ * RETURN : Nothing
+ *
+ * DESCRIPTION :
+ * If ptrs is enabled process the symbol accordingly
+ * 1) Estimate common phase error per PTRS symbol
+ * 2) Interpolate PTRS estimated value in TD after all PTRS symbols
+ * 3) Compensate signal with PTRS estimation for slot
+ *********************************************************************/
+void nr_pdsch_ptrs_processing(PHY_VARS_NR_UE *ue,
+ NR_UE_PDSCH **pdsch_vars,
+ NR_DL_FRAME_PARMS *frame_parms,
+ NR_DL_UE_HARQ_t *dlsch0_harq,
+ NR_DL_UE_HARQ_t *dlsch1_harq,
+ uint8_t eNB_id,
+ uint8_t nr_slot_rx,
+ unsigned char symbol,
+ uint32_t nb_re_pdsch,
+ unsigned char harq_pid,
+ uint16_t rnti,
+ RX_type_t rx_type)
+{
+ //#define DEBUG_DL_PTRS 1
+ int16_t *phase_per_symbol = NULL;
+ int32_t *ptrs_re_symbol = NULL;
+ int8_t ret = 0;
+ /* harq specific variables */
+ uint8_t symbInSlot = 0;
+ uint16_t *startSymbIndex = NULL;
+ uint16_t *nbSymb = NULL;
+ uint8_t *L_ptrs = NULL;
+ uint8_t *K_ptrs = NULL;
+ uint16_t *dmrsSymbPos = NULL;
+ uint16_t *ptrsSymbPos = NULL;
+ uint8_t *ptrsSymbIdx = NULL;
+ uint8_t *ptrsReOffset = NULL;
+ uint8_t *dmrsConfigType = NULL;
+ uint16_t *nb_rb = NULL;
+
+ if(dlsch0_harq->status == ACTIVE) {
+ symbInSlot = dlsch0_harq->start_symbol + dlsch0_harq->nb_symbols;
+ startSymbIndex = &dlsch0_harq->start_symbol;
+ nbSymb = &dlsch0_harq->nb_symbols;
+ L_ptrs = &dlsch0_harq->PTRSTimeDensity;
+ K_ptrs = &dlsch0_harq->PTRSFreqDensity;
+ dmrsSymbPos = &dlsch0_harq->dlDmrsSymbPos;
+ ptrsSymbPos = &dlsch0_harq->ptrs_symbols;
+ ptrsSymbIdx = &dlsch0_harq->ptrs_symbol_index;
+ ptrsReOffset = &dlsch0_harq->PTRSReOffset;
+ dmrsConfigType = &dlsch0_harq->ptrs_symbol_index;
+ nb_rb = &dlsch0_harq->nb_rb;
+ }
+ if(dlsch1_harq) {
+ symbInSlot = dlsch1_harq->start_symbol + dlsch0_harq->nb_symbols;
+ startSymbIndex = &dlsch1_harq->start_symbol;
+ nbSymb = &dlsch1_harq->nb_symbols;
+ L_ptrs = &dlsch1_harq->PTRSTimeDensity;
+ K_ptrs = &dlsch1_harq->PTRSFreqDensity;
+ dmrsSymbPos = &dlsch1_harq->dlDmrsSymbPos;
+ ptrsSymbPos = &dlsch1_harq->ptrs_symbols;
+ ptrsSymbIdx = &dlsch1_harq->ptrs_symbol_index;
+ ptrsReOffset = &dlsch1_harq->PTRSReOffset;
+ dmrsConfigType = &dlsch1_harq->ptrs_symbol_index;
+ nb_rb = &dlsch1_harq->nb_rb;
+ }
+ /* loop over antennas */
+ for (int aarx=0; aarxnb_antennas_rx; aarx++) {
+ phase_per_symbol = (int16_t*)pdsch_vars[eNB_id]->ptrs_phase_per_slot[aarx];
+ ptrs_re_symbol = (int32_t*)pdsch_vars[eNB_id]->ptrs_re_per_slot[aarx];
+ ptrs_re_symbol[symbol] = 0;
+ phase_per_symbol[(2*symbol)+1] = 0; // Imag
+ /* set DMRS estimates to 0 angle with magnitude 1 */
+ if(is_dmrs_symbol(symbol,*dmrsSymbPos)) {
+ /* set DMRS real estimation to 32767 */
+ phase_per_symbol[2*symbol]=(int16_t)((1<<15)-1); // 32767
+#ifdef DEBUG_DL_PTRS
+ printf("[PHY][PTRS]: DMRS Symbol %d -> %4d + j*%4d\n", symbol, phase_per_symbol[2*symbol],phase_per_symbol[(2*symbol)+1]);
+#endif
+ }
+ else { // real ptrs value is set to 0
+ phase_per_symbol[2*symbol] = 0; // Real
+ }
+
+ if(dlsch0_harq->status == ACTIVE) {
+ if(symbol == *startSymbIndex) {
+ *ptrsSymbPos = 0;
+ set_ptrs_symb_idx(ptrsSymbPos,
+ *nbSymb,
+ *startSymbIndex,
+ 1<< *L_ptrs,
+ *dmrsSymbPos);
+ }
+ /* if not PTRS symbol set current ptrs symbol index to zero*/
+ *ptrsSymbIdx = 0;
+ /* Check if current symbol contains PTRS */
+ if(is_ptrs_symbol(symbol, *ptrsSymbPos)) {
+ *ptrsSymbIdx = symbol;
+ /*------------------------------------------------------------------------------------------------------- */
+ /* 1) Estimate common phase error per PTRS symbol */
+ /*------------------------------------------------------------------------------------------------------- */
+ nr_ptrs_cpe_estimation(*K_ptrs,*ptrsReOffset,*dmrsConfigType,*nb_rb,
+ rnti,
+ (int16_t *)&pdsch_vars[eNB_id]->dl_ch_ptrs_estimates_ext[aarx][symbol*nb_re_pdsch],
+ nr_slot_rx,
+ symbol,frame_parms->ofdm_symbol_size,
+ (int16_t*)&pdsch_vars[eNB_id]->rxdataF_comp0[aarx][(symbol * nb_re_pdsch)],
+ ue->nr_gold_pdsch[eNB_id][nr_slot_rx][symbol],
+ &phase_per_symbol[2* symbol],
+ &ptrs_re_symbol[symbol]);
+ }
+ }// HARQ 0
+
+ /* For last OFDM symbol at each antenna perform interpolation and compensation for the slot*/
+ if(symbol == (symbInSlot -1)) {
+ /*------------------------------------------------------------------------------------------------------- */
+ /* 2) Interpolate PTRS estimated value in TD */
+ /*------------------------------------------------------------------------------------------------------- */
+ /* If L-PTRS is > 0 then we need interpolation */
+ if(*L_ptrs > 0) {
+ ret = nr_ptrs_process_slot(*dmrsSymbPos, *ptrsSymbPos, phase_per_symbol, *startSymbIndex, *nbSymb);
+ if(ret != 0) {
+ LOG_W(PHY,"[PTRS] Compensation is skipped due to error in PTRS slot processing !!\n");
+ }
+ }
+#ifdef DEBUG_DL_PTRS
+ LOG_M("ptrsEst.m","est",pdsch_vars[eNB_id]->ptrs_phase_per_slot[aarx],frame_parms->symbols_per_slot,1,1 );
+ LOG_M("rxdataF_bf_ptrs_comp.m","bf_ptrs_cmp",
+ &pdsch_vars[eNB_id]->rxdataF_comp0[aarx][(*startSymbIndex) * NR_NB_SC_PER_RB * (*nb_rb) ],
+ (*nb_rb) * NR_NB_SC_PER_RB * (*nbSymb),1,1);
+#endif
+ /*------------------------------------------------------------------------------------------------------- */
+ /* 3) Compensated DMRS based estimated signal with PTRS estimation */
+ /*--------------------------------------------------------------------------------------------------------*/
+ for(uint8_t i = *startSymbIndex; i< symbInSlot ;i++) {
+ /* DMRS Symbol has 0 phase so no need to rotate the respective symbol */
+ /* Skip rotation if the slot processing is wrong */
+ if((!is_dmrs_symbol(i,*dmrsSymbPos)) && (ret == 0)) {
+#ifdef DEBUG_DL_PTRS
+ printf("[PHY][DL][PTRS]: Rotate Symbol %2d with %d + j* %d\n", i, phase_per_symbol[2* i],phase_per_symbol[(2* i) +1]);
+#endif
+ rotate_cpx_vector((int16_t*)&pdsch_vars[eNB_id]->rxdataF_comp0[aarx][(i * (*nb_rb) * NR_NB_SC_PER_RB)],
+ &phase_per_symbol[2* i],
+ (int16_t*)&pdsch_vars[eNB_id]->rxdataF_comp0[aarx][(i * (*nb_rb) * NR_NB_SC_PER_RB)],
+ ((*nb_rb) * NR_NB_SC_PER_RB), 15);
+ }// if not DMRS Symbol
+ }// symbol loop
+ }// last symbol check
+ }//Antenna loop
+}//main function
diff --git a/openair1/PHY/NR_UE_ESTIMATION/nr_estimation.h b/openair1/PHY/NR_UE_ESTIMATION/nr_estimation.h
index 74168cb671..419f84d418 100644
--- a/openair1/PHY/NR_UE_ESTIMATION/nr_estimation.h
+++ b/openair1/PHY/NR_UE_ESTIMATION/nr_estimation.h
@@ -103,6 +103,18 @@ void phy_adjust_gain_nr(PHY_VARS_NR_UE *ue,
int16_t get_nr_PL(uint8_t Mod_id, uint8_t CC_id, uint8_t gNB_index);
+void nr_pdsch_ptrs_processing(PHY_VARS_NR_UE *ue,
+ NR_UE_PDSCH **pdsch_vars,
+ NR_DL_FRAME_PARMS *frame_parms,
+ NR_DL_UE_HARQ_t *dlsch0_harq,
+ NR_DL_UE_HARQ_t *dlsch1_harq,
+ uint8_t eNB_id,
+ uint8_t nr_slot_rx,
+ unsigned char symbol,
+ uint32_t nb_re_pdsch,
+ unsigned char harq_pid,
+ uint16_t rnti,
+ RX_type_t rx_type);
float_t get_nr_RSRP(module_id_t Mod_id,uint8_t CC_id,uint8_t gNB_index);
diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
index 61d6c72ddf..75cb6ff91b 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
@@ -279,7 +279,6 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
nb_re_dmrs = 4*harq_process->n_dmrs_cdm_groups;
}
uint16_t dmrs_length = get_num_dmrs(harq_process->dlDmrsSymbPos);
- AssertFatal(dmrs_length == 1 || dmrs_length == 2,"Illegal dmrs_length %d\n",dmrs_length);
uint32_t i,j;
diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
index 51e34e0c89..81349f202c 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
@@ -37,7 +37,10 @@
//#include "extern.h"
#include "PHY/sse_intrin.h"
#include "T.h"
+#include "openair1/PHY/NR_UE_ESTIMATION/nr_estimation.h"
#include "openair1/PHY/NR_TRANSPORT/nr_dlsch.h"
+#include "PHY/NR_REFSIG/nr_refsig.h"
+#include "PHY/NR_REFSIG/dmrs_nr.h"
#ifndef USER_MODE
#define NOCYGWIN_STATIC static
@@ -99,6 +102,29 @@ static void nr_dlsch_layer_demapping(int16_t **llr_cw,
uint16_t length,
int16_t **llr_layers);
+
+/* compute LLR */
+static int nr_dlsch_llr(NR_UE_PDSCH **pdsch_vars,
+ NR_DL_FRAME_PARMS *frame_parms,
+ int32_t **rxdataF_comp_ptr,
+ int32_t **dl_ch_mag_ptr,
+ NR_DL_UE_HARQ_t *dlsch0_harq,
+ NR_DL_UE_HARQ_t *dlsch1_harq,
+ RX_type_t rx_type,
+ unsigned char harq_pid,
+ unsigned char eNB_id,
+ unsigned char eNB_id_i,
+ unsigned char first_symbol_flag,
+ unsigned char symbol,
+ unsigned short nb_rb,
+ unsigned short round,
+ int32_t codeword_TB0,
+ int32_t codeword_TB1,
+ uint32_t len,
+ uint8_t nr_slot_rx,
+ uint8_t beamforming_mode);
+
+/* Main Function */
int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc,
PDSCH_t type,
@@ -143,19 +169,17 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
//to be updated higher layer
unsigned short start_rb = 0;
unsigned short nb_rb_pdsch = 50;
- int16_t *pllr_symbol_cw0;
- int16_t *pllr_symbol_cw1;
- int16_t *pllr_symbol_layer0;
- int16_t *pllr_symbol_layer1;
//int16_t *pllr_symbol_cw0_deint;
//int16_t *pllr_symbol_cw1_deint;
- uint32_t llr_offset_symbol;
//uint16_t bundle_L = 2;
uint8_t pilots=0;
uint8_t config_type = ue->dmrs_DownlinkConfig.pdsch_dmrs_type;
uint16_t n_tx=1, n_rx=1;
int32_t median[16];
uint32_t len;
+ uint16_t startSymbIdx=0;
+ uint16_t nbSymb=0;
+ uint16_t pduBitmap=0x0;
switch (type) {
case SI_PDSCH:
@@ -384,7 +408,8 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
nb_rb_pdsch,
nr_slot_rx,
ue->high_speed_flag,
- frame_parms);
+ frame_parms,
+ dlsch0_harq->dlDmrsSymbPos);
} /*else if(beamforming_mode>7) {
LOG_W(PHY,"dlsch_demodulation: beamforming mode not supported yet.\n");
@@ -673,376 +698,66 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
start_meas(&ue->generic_stat_bis[proc->thread_id][slot]);
#endif
- //printf("LLR dlsch0_harq->Qm %d rx_type %d cw0 %d cw1 %d symbol %d \n",dlsch0_harq->Qm,rx_type,codeword_TB0,codeword_TB1,symbol);
- // compute LLRs
- // -> // compute @pointer where llrs should filled for this ofdm-symbol
+ /* Store the valid DL RE's */
+ pdsch_vars[eNB_id]->dl_valid_re[symbol-1] = len;
- if (first_symbol_flag==1) pdsch_vars[eNB_id]->llr_offset[symbol-1] = 0;
- llr_offset_symbol = pdsch_vars[eNB_id]->llr_offset[symbol-1];
- //pllr_symbol_cw0_deint = (int8_t*)pdsch_vars[eNB_id]->llr[0];
- //pllr_symbol_cw1_deint = (int8_t*)pdsch_vars[eNB_id]->llr[1];
- pllr_symbol_layer0 = pdsch_vars[eNB_id]->layer_llr[0];
- pllr_symbol_layer1 = pdsch_vars[eNB_id]->layer_llr[1];
- pllr_symbol_layer0 += llr_offset_symbol;
- pllr_symbol_layer1 += llr_offset_symbol;
- pllr_symbol_cw0 = pdsch_vars[eNB_id]->llr[0];
- pllr_symbol_cw1 = pdsch_vars[eNB_id]->llr[1];
- pllr_symbol_cw0 += llr_offset_symbol;
- pllr_symbol_cw1 += llr_offset_symbol;
-
- pdsch_vars[eNB_id]->llr_offset[symbol] = len*dlsch0_harq->Qm + llr_offset_symbol;
-
- LOG_D(PHY,"compute LLRs [symbol %d] NbRB %d Qm %d LLRs-Length %d LLR-Offset %d energy %d\n",
- symbol,
- nb_rb,dlsch0_harq->Qm,
- pdsch_vars[eNB_id]->llr_length[symbol],
- pdsch_vars[eNB_id]->llr_offset[symbol],
- signal_energy(pdsch_vars[eNB_id]->rxdataF_comp0[0], 7*2*frame_parms->N_RB_DL*12));
-
-
- /*printf("compute LLRs [symbol %d] NbRB %d Qm %d LLRs-Length %d LLR-Offset %d @LLR Buff %p @LLR Buff(symb) %p\n",
- symbol,
- nb_rb,dlsch0_harq->Qm,
- pdsch_vars[eNB_id]->llr_length[symbol],
- pdsch_vars[eNB_id]->llr_offset[symbol],
- pdsch_vars[eNB_id]->llr[0],
- pllr_symbol_cw0);*/
-
- switch (dlsch0_harq->Qm) {
- case 2 :
- if ((rx_type==rx_standard) || (codeword_TB1 == -1)) {
- nr_dlsch_qpsk_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- pllr_symbol_cw0,
- symbol,
- len,
- first_symbol_flag,
- nb_rb,
- beamforming_mode);
-
- } else if (codeword_TB0 == -1){
-
- nr_dlsch_qpsk_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- pllr_symbol_cw1,
- symbol,
- len,
- first_symbol_flag,
- nb_rb,
- beamforming_mode);
+ if(dlsch0_harq->status == ACTIVE) {
+ startSymbIdx = dlsch0_harq->start_symbol;
+ nbSymb = dlsch0_harq->nb_symbols;
+ pduBitmap = dlsch0_harq->pduBitmap;
}
- else if (rx_type >= rx_IC_single_stream) {
- if (dlsch1_harq->Qm == 2) {
- nr_dlsch_qpsk_qpsk_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- rxdataF_comp_ptr,
- pdsch_vars[eNB_id]->dl_ch_rho2_ext,
- pdsch_vars[eNB_id]->layer_llr[0],
- symbol,len,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,2,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr128);
- if (rx_type==rx_IC_dual_stream) {
- nr_dlsch_qpsk_qpsk_llr(frame_parms,
- rxdataF_comp_ptr,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
- pdsch_vars[eNB_id]->layer_llr[1],
- symbol,len,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,2,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr128_2ndstream);
- }
- }
- else if (dlsch1_harq->Qm == 4) {
- nr_dlsch_qpsk_16qam_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- rxdataF_comp_ptr,//i
- dl_ch_mag_ptr,//i
- pdsch_vars[eNB_id]->dl_ch_rho2_ext,
- pdsch_vars[eNB_id]->layer_llr[0],
- symbol,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,2,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr128);
- if (rx_type==rx_IC_dual_stream) {
- nr_dlsch_16qam_qpsk_llr(frame_parms,
- rxdataF_comp_ptr,
- pdsch_vars[eNB_id]->rxdataF_comp0,//i
- dl_ch_mag_ptr,
- pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
- pdsch_vars[eNB_id]->layer_llr[1],
- symbol,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,4,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr128_2ndstream);
- }
+ if(dlsch1_harq) {
+ startSymbIdx = dlsch1_harq->start_symbol;
+ nbSymb = dlsch1_harq->nb_symbols;
+ pduBitmap = dlsch1_harq->pduBitmap;
+ }
+
+ /* Check for PTRS bitmap and process it respectively */
+ if((pduBitmap & 0x1) && (type == PDSCH)) {
+ nr_pdsch_ptrs_processing(ue,
+ pdsch_vars,
+ frame_parms,
+ dlsch0_harq, dlsch1_harq,
+ eNB_id, nr_slot_rx,
+ symbol, (nb_rb*12),
+ harq_pid,
+ dlsch[0]->rnti,rx_type);
+ pdsch_vars[eNB_id]->dl_valid_re[symbol-1] -= pdsch_vars[eNB_id]->ptrs_re_per_slot[0][symbol];
+ }
+
+ /* at last symbol in a slot calculate LLR's for whole slot */
+ if(symbol == (startSymbIdx + nbSymb -1)) {
+ for(uint8_t i =startSymbIdx; i <= nbSymb;i++) {
+ /* re evaluating the first symbol flag as LLR's are done in symbol loop */
+ if(i == startSymbIdx && i < 3) {
+ first_symbol_flag =1;
}
else {
- nr_dlsch_qpsk_64qam_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- rxdataF_comp_ptr,//i
- dl_ch_mag_ptr,//i
- pdsch_vars[eNB_id]->dl_ch_rho2_ext,
- pdsch_vars[eNB_id]->layer_llr[0],
- symbol,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,2,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr128);
- if (rx_type==rx_IC_dual_stream) {
- nr_dlsch_64qam_qpsk_llr(frame_parms,
- rxdataF_comp_ptr,
- pdsch_vars[eNB_id]->rxdataF_comp0,//i
- dl_ch_mag_ptr,
- pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
- pdsch_vars[eNB_id]->layer_llr[1],
- symbol,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,6,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr128_2ndstream);
- }
- }
- }
- break;
- case 4 :
- if ((rx_type==rx_standard ) || (codeword_TB1 == -1)) {
- nr_dlsch_16qam_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- pdsch_vars[eNB_id]->llr[0],
- pdsch_vars[eNB_id]->dl_ch_mag0,
- symbol,len,first_symbol_flag,nb_rb,
- pdsch_vars[eNB_id]->llr128,
- beamforming_mode);
- } else if (codeword_TB0 == -1){
- nr_dlsch_16qam_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- pdsch_vars[eNB_id]->llr[1],
- pdsch_vars[eNB_id]->dl_ch_mag0,
- symbol,len,first_symbol_flag,nb_rb,
- pdsch_vars[eNB_id]->llr128_2ndstream,
- beamforming_mode);
- }
- else if (rx_type >= rx_IC_single_stream) {
- if (dlsch1_harq->Qm == 2) {
- nr_dlsch_16qam_qpsk_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- rxdataF_comp_ptr,//i
- pdsch_vars[eNB_id]->dl_ch_mag0,
- pdsch_vars[eNB_id]->dl_ch_rho2_ext,
- pdsch_vars[eNB_id]->layer_llr[0],
- symbol,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,4,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr128);
- if (rx_type==rx_IC_dual_stream) {
- nr_dlsch_qpsk_16qam_llr(frame_parms,
- rxdataF_comp_ptr,
- pdsch_vars[eNB_id]->rxdataF_comp0,//i
- pdsch_vars[eNB_id]->dl_ch_mag0,//i
- pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
- pdsch_vars[eNB_id]->layer_llr[1],
- symbol,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,2,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr128_2ndstream);
- }
- }
- else if (dlsch1_harq->Qm == 4) {
- nr_dlsch_16qam_16qam_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- rxdataF_comp_ptr,//i
- pdsch_vars[eNB_id]->dl_ch_mag0,
- dl_ch_mag_ptr,//i
- pdsch_vars[eNB_id]->dl_ch_rho2_ext,
- pdsch_vars[eNB_id]->layer_llr[0],
- symbol,len,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,4,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr128);
- if (rx_type==rx_IC_dual_stream) {
- nr_dlsch_16qam_16qam_llr(frame_parms,
- rxdataF_comp_ptr,
- pdsch_vars[eNB_id]->rxdataF_comp0,//i
- dl_ch_mag_ptr,
- pdsch_vars[eNB_id]->dl_ch_mag0,//i
- pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
- pdsch_vars[eNB_id]->layer_llr[1],
- symbol,len,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,4,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr128_2ndstream);
- }
- }
- else {
- nr_dlsch_16qam_64qam_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- rxdataF_comp_ptr,//i
- pdsch_vars[eNB_id]->dl_ch_mag0,
- dl_ch_mag_ptr,//i
- pdsch_vars[eNB_id]->dl_ch_rho2_ext,
- pdsch_vars[eNB_id]->layer_llr[0],
- symbol,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,4,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr128);
- if (rx_type==rx_IC_dual_stream) {
- nr_dlsch_64qam_16qam_llr(frame_parms,
- rxdataF_comp_ptr,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- dl_ch_mag_ptr,
- pdsch_vars[eNB_id]->dl_ch_mag0,
- pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
- pdsch_vars[eNB_id]->layer_llr[1],
- symbol,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,6,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr128_2ndstream);
+ first_symbol_flag=0;
}
+ /* Calculate LLR's for each symbol */
+ nr_dlsch_llr(pdsch_vars, frame_parms,
+ rxdataF_comp_ptr, dl_ch_mag_ptr,
+ dlsch0_harq, dlsch1_harq,
+ rx_type, harq_pid,
+ eNB_id, eNB_id_i,
+ first_symbol_flag,
+ i, nb_rb, round,
+ codeword_TB0, codeword_TB1,
+ pdsch_vars[eNB_id]->dl_valid_re[i-1],
+ nr_slot_rx, beamforming_mode);
}
}
- break;
- case 6 :
- if ((rx_type==rx_standard) || (codeword_TB1 == -1)) {
- nr_dlsch_64qam_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- (int16_t*)pllr_symbol_cw0,
- pdsch_vars[eNB_id]->dl_ch_mag0,
- pdsch_vars[eNB_id]->dl_ch_magb0,
- symbol,len,first_symbol_flag,nb_rb,
- pdsch_vars[eNB_id]->llr_offset[symbol],
- beamforming_mode);
- } else if (codeword_TB0 == -1){
- nr_dlsch_64qam_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- pllr_symbol_cw1,
- pdsch_vars[eNB_id]->dl_ch_mag0,
- pdsch_vars[eNB_id]->dl_ch_magb0,
- symbol,len,first_symbol_flag,nb_rb,
- pdsch_vars[eNB_id]->llr_offset[symbol],
- beamforming_mode);
- }
- else if (rx_type >= rx_IC_single_stream) {
- if (dlsch1_harq->Qm == 2) {
- nr_dlsch_64qam_qpsk_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- rxdataF_comp_ptr,//i
- pdsch_vars[eNB_id]->dl_ch_mag0,
- pdsch_vars[eNB_id]->dl_ch_rho2_ext,
- pdsch_vars[eNB_id]->layer_llr[0],
- symbol,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,6,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr128);
- if (rx_type==rx_IC_dual_stream) {
- nr_dlsch_qpsk_64qam_llr(frame_parms,
- rxdataF_comp_ptr,
- pdsch_vars[eNB_id]->rxdataF_comp0,//i
- pdsch_vars[eNB_id]->dl_ch_mag0,
- pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
- pdsch_vars[eNB_id]->layer_llr[1],
- symbol,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,2,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr128_2ndstream);
- }
- }
- else if (dlsch1_harq->Qm == 4) {
- nr_dlsch_64qam_16qam_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- rxdataF_comp_ptr,//i
- pdsch_vars[eNB_id]->dl_ch_mag0,
- dl_ch_mag_ptr,//i
- pdsch_vars[eNB_id]->dl_ch_rho2_ext,
- pdsch_vars[eNB_id]->layer_llr[0],
- symbol,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,6,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr128);
- if (rx_type==rx_IC_dual_stream) {
- nr_dlsch_16qam_64qam_llr(frame_parms,
- rxdataF_comp_ptr,
- pdsch_vars[eNB_id]->rxdataF_comp0,//i
- dl_ch_mag_ptr,
- pdsch_vars[eNB_id]->dl_ch_mag0,//i
- pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
- pdsch_vars[eNB_id]->layer_llr[1],
- symbol,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,4,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr128_2ndstream);
- }
- }
- else {
- nr_dlsch_64qam_64qam_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- rxdataF_comp_ptr,//i
- pdsch_vars[eNB_id]->dl_ch_mag0,
- dl_ch_mag_ptr,//i
- pdsch_vars[eNB_id]->dl_ch_rho2_ext,
- (int16_t*)pllr_symbol_layer0,
- symbol,len,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,6,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr_offset[symbol]);
- if (rx_type==rx_IC_dual_stream) {
- nr_dlsch_64qam_64qam_llr(frame_parms,
- rxdataF_comp_ptr,
- pdsch_vars[eNB_id]->rxdataF_comp0,//i
- dl_ch_mag_ptr,
- pdsch_vars[eNB_id]->dl_ch_mag0,//i
- pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
- pllr_symbol_layer1,
- symbol,len,first_symbol_flag,nb_rb,
- adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,6,nr_slot_rx,symbol),
- pdsch_vars[eNB_id]->llr_offset[symbol]);
- }
- }
- }
- break;
- default:
- LOG_W(PHY,"rx_dlsch.c : Unknown mod_order!!!!\n");
- return(-1);
- break;
- }
-
- if (dlsch1_harq) {
- uint8_t Qm = nr_get_Qm_dl(dlsch1_harq->mcs,dlsch1_harq->mcs_table);
- if (Qm == 0){
- LOG_W(MAC, "Invalid code rate or Mod order, likely due to unexpected DL DCI.\n");
- return -1;
- }
- switch (Qm) {
- case 2 :
- if (rx_type==rx_standard) {
- nr_dlsch_qpsk_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- pllr_symbol_cw0,
- symbol,len,first_symbol_flag,nb_rb,
- beamforming_mode);
- }
- break;
- case 4:
- if (rx_type==rx_standard) {
- nr_dlsch_16qam_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- pdsch_vars[eNB_id]->llr[0],
- pdsch_vars[eNB_id]->dl_ch_mag0,
- symbol,len,first_symbol_flag,nb_rb,
- pdsch_vars[eNB_id]->llr128,
- beamforming_mode);
- }
- break;
- case 6 :
- if (rx_type==rx_standard) {
- nr_dlsch_64qam_llr(frame_parms,
- pdsch_vars[eNB_id]->rxdataF_comp0,
- pllr_symbol_cw0,
- pdsch_vars[eNB_id]->dl_ch_mag0,
- pdsch_vars[eNB_id]->dl_ch_magb0,
- symbol,len,first_symbol_flag,nb_rb,
- pdsch_vars[eNB_id]->llr_offset[symbol],
- beamforming_mode);
- }
- break;
- default:
- LOG_W(PHY,"rx_dlsch.c : Unknown mod_order!!!!\n");
- return(-1);
- break;
- }
- }
//nr_dlsch_deinterleaving(symbol,bundle_L,(int16_t*)pllr_symbol_cw0,(int16_t*)pllr_symbol_cw0_deint, nb_rb_pdsch);
-
- if (rx_type==rx_IC_dual_stream) {
- nr_dlsch_layer_demapping(pdsch_vars[eNB_id]->llr,
- dlsch[0]->harq_processes[harq_pid]->Nl,
- dlsch[0]->harq_processes[harq_pid]->Qm,
- dlsch[0]->harq_processes[harq_pid]->G,
- pdsch_vars[eNB_id]->layer_llr);
- }
+
+ if (rx_type==rx_IC_dual_stream) {
+ nr_dlsch_layer_demapping(pdsch_vars[eNB_id]->llr,
+ dlsch[0]->harq_processes[harq_pid]->Nl,
+ dlsch[0]->harq_processes[harq_pid]->Qm,
+ dlsch[0]->harq_processes[harq_pid]->G,
+ pdsch_vars[eNB_id]->layer_llr);
+ }
#if UE_TIMING_TRACE
stop_meas(&ue->generic_stat_bis[proc->thread_id][slot]);
@@ -2367,7 +2082,8 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF,
unsigned short nb_rb_pdsch,
unsigned char nr_slot_rx,
uint32_t high_speed_flag,
- NR_DL_FRAME_PARMS *frame_parms) {
+ NR_DL_FRAME_PARMS *frame_parms,
+ uint16_t dlDmrsSymbPos) {
@@ -2375,7 +2091,7 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF,
unsigned char i,aarx; //,nsymb,sss_symb,pss_symb=0,l;
int *dl_ch0,*dl_ch0_ext,*rxF,*rxF_ext;
-
+ int8_t validDmrsEst = 0; //store last DMRS Symbol index
unsigned char j=0;
@@ -2390,10 +2106,9 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF,
k = frame_parms->first_carrier_offset + NR_NB_SC_PER_RB*start_rb;
- if (high_speed_flag == 1)
- dl_ch0 = &dl_ch_estimates[aarx][(2*(frame_parms->ofdm_symbol_size))];
- else
- dl_ch0 = &dl_ch_estimates[aarx][0];
+ validDmrsEst = get_valid_dmrs_idx_for_channel_est(dlDmrsSymbPos,symbol);
+
+ dl_ch0 = &dl_ch_estimates[aarx][(validDmrsEst*(frame_parms->ofdm_symbol_size))];
dl_ch0_ext = &dl_ch_estimates_ext[aarx][symbol*(nb_rb_pdsch*12)];
@@ -2572,6 +2287,387 @@ static void nr_dlsch_layer_demapping(int16_t **llr_cw,
AssertFatal(0, "Not supported number of layers %d\n", Nl);
}
}
+
+static int nr_dlsch_llr(NR_UE_PDSCH **pdsch_vars,
+ NR_DL_FRAME_PARMS *frame_parms,
+ int32_t **rxdataF_comp_ptr,
+ int32_t **dl_ch_mag_ptr,
+ NR_DL_UE_HARQ_t *dlsch0_harq,
+ NR_DL_UE_HARQ_t *dlsch1_harq,
+ RX_type_t rx_type,
+ unsigned char harq_pid,
+ unsigned char eNB_id,
+ unsigned char eNB_id_i,
+ unsigned char first_symbol_flag,
+ unsigned char symbol,
+ unsigned short nb_rb,
+ unsigned short round,
+ int32_t codeword_TB0,
+ int32_t codeword_TB1,
+ uint32_t len,
+ uint8_t nr_slot_rx,
+ uint8_t beamforming_mode)
+{
+
+ int16_t *pllr_symbol_cw0;
+ int16_t *pllr_symbol_cw1;
+ int16_t *pllr_symbol_layer0;
+ int16_t *pllr_symbol_layer1;
+ uint32_t llr_offset_symbol;
+
+ if (first_symbol_flag==1) pdsch_vars[eNB_id]->llr_offset[symbol-1] = 0;
+ llr_offset_symbol = pdsch_vars[eNB_id]->llr_offset[symbol-1];
+ //pllr_symbol_cw0_deint = (int8_t*)pdsch_vars[eNB_id]->llr[0];
+ //pllr_symbol_cw1_deint = (int8_t*)pdsch_vars[eNB_id]->llr[1];
+ pllr_symbol_layer0 = pdsch_vars[eNB_id]->layer_llr[0];
+ pllr_symbol_layer1 = pdsch_vars[eNB_id]->layer_llr[1];
+ pllr_symbol_layer0 += llr_offset_symbol;
+ pllr_symbol_layer1 += llr_offset_symbol;
+ pllr_symbol_cw0 = pdsch_vars[eNB_id]->llr[0];
+ pllr_symbol_cw1 = pdsch_vars[eNB_id]->llr[1];
+ pllr_symbol_cw0 += llr_offset_symbol;
+ pllr_symbol_cw1 += llr_offset_symbol;
+
+ pdsch_vars[eNB_id]->llr_offset[symbol] = len*dlsch0_harq->Qm + llr_offset_symbol;
+
+ /*LOG_I(PHY,"compute LLRs [symbol %d] NbRB %d Qm %d LLRs-Length %d LLR-Offset %d @LLR Buff %x @LLR Buff(symb) %x\n",
+ symbol,
+ nb_rb,dlsch0_harq->Qm,
+ pdsch_vars[eNB_id]->llr_length[symbol],
+ pdsch_vars[eNB_id]->llr_offset[symbol],
+ (int16_t*)pdsch_vars[eNB_id]->llr[0],
+ pllr_symbol_cw0);*/
+
+ /*printf("compute LLRs [symbol %d] NbRB %d Qm %d LLRs-Length %d LLR-Offset %d @LLR Buff %p @LLR Buff(symb) %p\n",
+ symbol,
+ nb_rb,dlsch0_harq->Qm,
+ pdsch_vars[eNB_id]->llr_length[symbol],
+ pdsch_vars[eNB_id]->llr_offset[symbol],
+ pdsch_vars[eNB_id]->llr[0],
+ pllr_symbol_cw0);*/
+
+ switch (dlsch0_harq->Qm) {
+ case 2 :
+ if ((rx_type==rx_standard) || (codeword_TB1 == -1)) {
+ nr_dlsch_qpsk_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ pllr_symbol_cw0,
+ symbol,
+ len,
+ first_symbol_flag,
+ nb_rb,
+ beamforming_mode);
+
+ } else if (codeword_TB0 == -1){
+
+ nr_dlsch_qpsk_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ pllr_symbol_cw1,
+ symbol,
+ len,
+ first_symbol_flag,
+ nb_rb,
+ beamforming_mode);
+ }
+ else if (rx_type >= rx_IC_single_stream) {
+ if (dlsch1_harq->Qm == 2) {
+ nr_dlsch_qpsk_qpsk_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ rxdataF_comp_ptr,
+ pdsch_vars[eNB_id]->dl_ch_rho2_ext,
+ pdsch_vars[eNB_id]->layer_llr[0],
+ symbol,len,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,2,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr128);
+ if (rx_type==rx_IC_dual_stream) {
+ nr_dlsch_qpsk_qpsk_llr(frame_parms,
+ rxdataF_comp_ptr,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
+ pdsch_vars[eNB_id]->layer_llr[1],
+ symbol,len,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,2,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr128_2ndstream);
+ }
+ }
+ else if (dlsch1_harq->Qm == 4) {
+ nr_dlsch_qpsk_16qam_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ rxdataF_comp_ptr,//i
+ dl_ch_mag_ptr,//i
+ pdsch_vars[eNB_id]->dl_ch_rho2_ext,
+ pdsch_vars[eNB_id]->layer_llr[0],
+ symbol,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,2,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr128);
+ if (rx_type==rx_IC_dual_stream) {
+ nr_dlsch_16qam_qpsk_llr(frame_parms,
+ rxdataF_comp_ptr,
+ pdsch_vars[eNB_id]->rxdataF_comp0,//i
+ dl_ch_mag_ptr,
+ pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
+ pdsch_vars[eNB_id]->layer_llr[1],
+ symbol,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,4,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr128_2ndstream);
+ }
+ }
+ else {
+ nr_dlsch_qpsk_64qam_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ rxdataF_comp_ptr,//i
+ dl_ch_mag_ptr,//i
+ pdsch_vars[eNB_id]->dl_ch_rho2_ext,
+ pdsch_vars[eNB_id]->layer_llr[0],
+ symbol,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,2,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr128);
+ if (rx_type==rx_IC_dual_stream) {
+ nr_dlsch_64qam_qpsk_llr(frame_parms,
+ rxdataF_comp_ptr,
+ pdsch_vars[eNB_id]->rxdataF_comp0,//i
+ dl_ch_mag_ptr,
+ pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
+ pdsch_vars[eNB_id]->layer_llr[1],
+ symbol,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,6,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr128_2ndstream);
+ }
+ }
+ }
+ break;
+ case 4 :
+ if ((rx_type==rx_standard ) || (codeword_TB1 == -1)) {
+ nr_dlsch_16qam_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ pdsch_vars[eNB_id]->llr[0],
+ pdsch_vars[eNB_id]->dl_ch_mag0,
+ symbol,len,first_symbol_flag,nb_rb,
+ pdsch_vars[eNB_id]->llr128,
+ beamforming_mode);
+ } else if (codeword_TB0 == -1){
+ nr_dlsch_16qam_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ pdsch_vars[eNB_id]->llr[1],
+ pdsch_vars[eNB_id]->dl_ch_mag0,
+ symbol,len,first_symbol_flag,nb_rb,
+ pdsch_vars[eNB_id]->llr128_2ndstream,
+ beamforming_mode);
+ }
+ else if (rx_type >= rx_IC_single_stream) {
+ if (dlsch1_harq->Qm == 2) {
+ nr_dlsch_16qam_qpsk_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ rxdataF_comp_ptr,//i
+ pdsch_vars[eNB_id]->dl_ch_mag0,
+ pdsch_vars[eNB_id]->dl_ch_rho2_ext,
+ pdsch_vars[eNB_id]->layer_llr[0],
+ symbol,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,4,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr128);
+ if (rx_type==rx_IC_dual_stream) {
+ nr_dlsch_qpsk_16qam_llr(frame_parms,
+ rxdataF_comp_ptr,
+ pdsch_vars[eNB_id]->rxdataF_comp0,//i
+ pdsch_vars[eNB_id]->dl_ch_mag0,//i
+ pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
+ pdsch_vars[eNB_id]->layer_llr[1],
+ symbol,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,2,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr128_2ndstream);
+ }
+ }
+ else if (dlsch1_harq->Qm == 4) {
+ nr_dlsch_16qam_16qam_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ rxdataF_comp_ptr,//i
+ pdsch_vars[eNB_id]->dl_ch_mag0,
+ dl_ch_mag_ptr,//i
+ pdsch_vars[eNB_id]->dl_ch_rho2_ext,
+ pdsch_vars[eNB_id]->layer_llr[0],
+ symbol,len,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,4,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr128);
+ if (rx_type==rx_IC_dual_stream) {
+ nr_dlsch_16qam_16qam_llr(frame_parms,
+ rxdataF_comp_ptr,
+ pdsch_vars[eNB_id]->rxdataF_comp0,//i
+ dl_ch_mag_ptr,
+ pdsch_vars[eNB_id]->dl_ch_mag0,//i
+ pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
+ pdsch_vars[eNB_id]->layer_llr[1],
+ symbol,len,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,4,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr128_2ndstream);
+ }
+ }
+ else {
+ nr_dlsch_16qam_64qam_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ rxdataF_comp_ptr,//i
+ pdsch_vars[eNB_id]->dl_ch_mag0,
+ dl_ch_mag_ptr,//i
+ pdsch_vars[eNB_id]->dl_ch_rho2_ext,
+ pdsch_vars[eNB_id]->layer_llr[0],
+ symbol,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,4,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr128);
+ if (rx_type==rx_IC_dual_stream) {
+ nr_dlsch_64qam_16qam_llr(frame_parms,
+ rxdataF_comp_ptr,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ dl_ch_mag_ptr,
+ pdsch_vars[eNB_id]->dl_ch_mag0,
+ pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
+ pdsch_vars[eNB_id]->layer_llr[1],
+ symbol,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,6,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr128_2ndstream);
+ }
+ }
+ }
+ break;
+ case 6 :
+ if ((rx_type==rx_standard) || (codeword_TB1 == -1)) {
+ nr_dlsch_64qam_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ (int16_t*)pllr_symbol_cw0,
+ pdsch_vars[eNB_id]->dl_ch_mag0,
+ pdsch_vars[eNB_id]->dl_ch_magb0,
+ symbol,len,first_symbol_flag,nb_rb,
+ pdsch_vars[eNB_id]->llr_offset[symbol],
+ beamforming_mode);
+ } else if (codeword_TB0 == -1){
+ nr_dlsch_64qam_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ pllr_symbol_cw1,
+ pdsch_vars[eNB_id]->dl_ch_mag0,
+ pdsch_vars[eNB_id]->dl_ch_magb0,
+ symbol,len,first_symbol_flag,nb_rb,
+ pdsch_vars[eNB_id]->llr_offset[symbol],
+ beamforming_mode);
+ }
+ else if (rx_type >= rx_IC_single_stream) {
+ if (dlsch1_harq->Qm == 2) {
+ nr_dlsch_64qam_qpsk_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ rxdataF_comp_ptr,//i
+ pdsch_vars[eNB_id]->dl_ch_mag0,
+ pdsch_vars[eNB_id]->dl_ch_rho2_ext,
+ pdsch_vars[eNB_id]->layer_llr[0],
+ symbol,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,6,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr128);
+ if (rx_type==rx_IC_dual_stream) {
+ nr_dlsch_qpsk_64qam_llr(frame_parms,
+ rxdataF_comp_ptr,
+ pdsch_vars[eNB_id]->rxdataF_comp0,//i
+ pdsch_vars[eNB_id]->dl_ch_mag0,
+ pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
+ pdsch_vars[eNB_id]->layer_llr[1],
+ symbol,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,2,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr128_2ndstream);
+ }
+ }
+ else if (dlsch1_harq->Qm == 4) {
+ nr_dlsch_64qam_16qam_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ rxdataF_comp_ptr,//i
+ pdsch_vars[eNB_id]->dl_ch_mag0,
+ dl_ch_mag_ptr,//i
+ pdsch_vars[eNB_id]->dl_ch_rho2_ext,
+ pdsch_vars[eNB_id]->layer_llr[0],
+ symbol,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,6,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr128);
+ if (rx_type==rx_IC_dual_stream) {
+ nr_dlsch_16qam_64qam_llr(frame_parms,
+ rxdataF_comp_ptr,
+ pdsch_vars[eNB_id]->rxdataF_comp0,//i
+ dl_ch_mag_ptr,
+ pdsch_vars[eNB_id]->dl_ch_mag0,//i
+ pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
+ pdsch_vars[eNB_id]->layer_llr[1],
+ symbol,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,4,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr128_2ndstream);
+ }
+ }
+ else {
+ nr_dlsch_64qam_64qam_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ rxdataF_comp_ptr,//i
+ pdsch_vars[eNB_id]->dl_ch_mag0,
+ dl_ch_mag_ptr,//i
+ pdsch_vars[eNB_id]->dl_ch_rho2_ext,
+ (int16_t*)pllr_symbol_layer0,
+ symbol,len,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch0_harq->rb_alloc_even,6,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr_offset[symbol]);
+ if (rx_type==rx_IC_dual_stream) {
+ nr_dlsch_64qam_64qam_llr(frame_parms,
+ rxdataF_comp_ptr,
+ pdsch_vars[eNB_id]->rxdataF_comp0,//i
+ dl_ch_mag_ptr,
+ pdsch_vars[eNB_id]->dl_ch_mag0,//i
+ pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
+ pllr_symbol_layer1,
+ symbol,len,first_symbol_flag,nb_rb,
+ adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,6,nr_slot_rx,symbol),
+ pdsch_vars[eNB_id]->llr_offset[symbol]);
+ }
+ }
+ }
+ break;
+ default:
+ LOG_W(PHY,"rx_dlsch.c : Unknown mod_order!!!!\n");
+ return(-1);
+ break;
+ }
+
+ if (dlsch1_harq) {
+ switch (nr_get_Qm_dl(dlsch1_harq->mcs,dlsch1_harq->mcs_table)) {
+ case 2 :
+ if (rx_type==rx_standard) {
+ nr_dlsch_qpsk_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ pllr_symbol_cw0,
+ symbol,len,first_symbol_flag,nb_rb,
+ beamforming_mode);
+ }
+ break;
+ case 4:
+ if (rx_type==rx_standard) {
+ nr_dlsch_16qam_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ pdsch_vars[eNB_id]->llr[0],
+ pdsch_vars[eNB_id]->dl_ch_mag0,
+ symbol,len,first_symbol_flag,nb_rb,
+ pdsch_vars[eNB_id]->llr128,
+ beamforming_mode);
+ }
+ break;
+ case 6 :
+ if (rx_type==rx_standard) {
+ nr_dlsch_64qam_llr(frame_parms,
+ pdsch_vars[eNB_id]->rxdataF_comp0,
+ pllr_symbol_cw0,
+ pdsch_vars[eNB_id]->dl_ch_mag0,
+ pdsch_vars[eNB_id]->dl_ch_magb0,
+ symbol,len,first_symbol_flag,nb_rb,
+ pdsch_vars[eNB_id]->llr_offset[symbol],
+ beamforming_mode);
+ }
+ break;
+ default:
+ LOG_W(PHY,"rx_dlsch.c : Unknown mod_order!!!!\n");
+ return(-1);
+ break;
+ }
+ }
+ return 0;
+}
//==============================================================================================
#ifdef USER_MODE
diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_prach.c b/openair1/PHY/NR_UE_TRANSPORT/nr_prach.c
index 465598d468..3ab88dac0a 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_prach.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_prach.c
@@ -105,6 +105,8 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
sample_offset_slot = (prachStartSymbol==0?0:fp->ofdm_symbol_size*prachStartSymbol+fp->nb_prefix_samples0+fp->nb_prefix_samples*(prachStartSymbol-1));
prach_start = fp->get_samples_slot_timestamp(slot, fp, 0) + sample_offset_slot;
+ //printf("prachstartsymbold %d, sample_offset_slot %d, prach_start %d\n",prachStartSymbol, sample_offset_slot, prach_start);
+
// First compute physical root sequence
/************************************************************************
* 4G and NR NCS tables are slightly different and depend on prach format
@@ -241,6 +243,7 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
*
*********************************************************/
+ if (mu==1) {
if (fp->N_RB_UL <= 100)
AssertFatal(1 == 0, "N_RB_UL %d not support for NR PRACH yet\n", fp->N_RB_UL);
else if (fp->N_RB_UL < 137) {
@@ -321,6 +324,22 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
}
}
}
+ }
+ else if (mu==3) {
+ if (fp->threequarter_fs)
+ AssertFatal(1==0,"3/4 sampling not supported for numerology %d\n",mu);
+
+ if (prach_sequence_length == 0)
+ AssertFatal(1==0,"long prach not supported for numerology %d\n",mu);
+
+ if (fp->N_RB_UL == 32)
+ dftlen=512;
+ else if (fp->N_RB_UL == 66)
+ dftlen=1024;
+ else
+ AssertFatal(1==0,"N_RB_UL %d not support for numerology %d\n",fp->N_RB_UL,mu);
+ }
+
for (offset=0,offset2=0; offsetN_RB_UL <= 100)
- AssertFatal(1==0,"N_RB_UL %d not supported for NR PRACH yet\n",fp->N_RB_UL);
+ //actually what we should be checking here is how often the current prach crosses a 0.5ms boundary. I am not quite sure for which paramter set this would be the case, so I will ignore it for now and just check if the prach starts on a 0.5ms boundary
+ uint8_t use_extended_prach_prefix = 0;
+ if(fp->numerology_index == 0) {
+ if (prachStartSymbol == 0 || prachStartSymbol == 7)
+ use_extended_prach_prefix = 1;
+ }
+ else {
+ if (slot%(fp->slots_per_subframe/2)==0 && prachStartSymbol == 0)
+ use_extended_prach_prefix = 1;
+ }
+
+ if (fp->N_RB_UL <= 34) { //32 PRB case 61.44Msps
+ if (fp->threequarter_fs == 0) {
+ Ncp<<=1; //to account for 61.44Mbps
+ // This is after cyclic prefix
+ prach2 = prach+(Ncp<<1); //times 2 for complex samples
+ if (prach_sequence_length == 0)
+ AssertFatal(1==0,"no long PRACH for this PRACH size %d\n",fp->N_RB_UL);
+ else {
+ if (use_extended_prach_prefix)
+ Ncp+=32; // 16*kappa, kappa=2 for 61.44Msps
+ prach2 = prach+(Ncp<<1); //times 2 for complex samples
+ if (prach_fmt_id == 4 || prach_fmt_id == 7 || prach_fmt_id == 9) {
+ idft(IDFT_512,prachF,prach2,1);
+ // here we have |empty | Prach512 |
+ if (prach_fmt_id != 9) {
+ memmove(prach2+(512<<1),prach2,(512<<2));
+ prach_len = (512*2)+Ncp;
+ }
+ else prach_len = (512*1)+Ncp;
+ memmove(prach,prach+(512<<1),(Ncp<<2));
+ // here we have |Prefix | Prach512 | Prach512 (if ! 0xc0) |
+ } else if (prach_fmt_id == 5) { // 6x512
+ idft(IDFT_512,prachF,prach2,1);
+ // here we have |empty | Prach512 |
+ memmove(prach2+(512<<1),prach2,(512<<2));
+ // here we have |empty | Prach512 | Prach512| empty512 | empty512 |
+ memmove(prach2+(512<<2),prach2,(512<<3));
+ // here we have |empty | Prach512 | Prach512| Prach512 | Prach512 |
+ memmove(prach,prach+(512<<1),(Ncp<<2));
+ // here we have |Prefix | Prach512 |
+ prach_len = (512*4)+Ncp;
+ } else if (prach_fmt_id == 6) { // 6x512
+ idft(IDFT_512,prachF,prach2,1);
+ // here we have |empty | Prach512 |
+ memmove(prach2+(512<<1),prach2,(512<<2));
+ // here we have |empty | Prach512 | Prach512| empty512 | empty512 | empty512 | empty512
+ memmove(prach2+(512<<2),prach2,(512<<3));
+ // here we have |empty | Prach512 | Prach512| Prach512 | Prach512 | empty512 | empty512
+ memmove(prach2+(512<<3),prach2,(512<<3));
+ // here we have |empty | Prach512 | Prach512| Prach512 | Prach512 | Prach512 | Prach512
+ memmove(prach,prach+(512<<1),(Ncp<<2));
+ // here we have |Prefix | Prach512 |
+ prach_len = (512*6)+Ncp;
+ } else if (prach_fmt_id == 8) { // 12x512
+ idft(IDFT_512,prachF,prach2,1);
+ // here we have |empty | Prach512 |
+ memmove(prach2+(512<<1),prach2,(512<<2));
+ // here we have |empty | Prach512 | Prach512| empty512 | empty512 | empty512 | empty512
+ memmove(prach2+(512<<2),prach2,(512<<3));
+ // here we have |empty | Prach512 | Prach512| Prach512 | Prach512 | empty512 | empty512
+ memmove(prach2+(512<<3),prach2,(512<<3));
+ // here we have |empty | Prach512 | Prach512| Prach512 | Prach512 | Prach512 | Prach512
+ memmove(prach2+(512<<1)*6,prach2,(512<<2)*6);
+ // here we have |empty | Prach512 | Prach512| Prach512 | Prach512 | Prach512 | Prach512 | Prach512 | Prach512| Prach512 | Prach512 | Prach512 | Prach512|
+ memmove(prach,prach+(512<<1),(Ncp<<2));
+ // here we have |Prefix | Prach512 | Prach512| Prach512 | Prach512 | Prach512 | Prach512 | Prach512 | Prach512| Prach512 | Prach512 | Prach512 | Prach512|
+ prach_len = (512*12)+Ncp;
+ }
+ }
+ }
+ else
+ AssertFatal(1==0,"3/4 sampling not supported for this PRACH size %d\n",fp->N_RB_UL);
+
+ }
+ else if (fp->N_RB_UL <= 68) {//66 PRB case, 122.88 Msps
+ if (fp->threequarter_fs == 0) {
+ Ncp<<=2; //to account for 122.88Mbps
+ // This is after cyclic prefix
+ prach2 = prach+(Ncp<<1); //times 2 for complex samples
+ if (prach_sequence_length == 0)
+ AssertFatal(1==0,"no long PRACH for this PRACH size %d\n",fp->N_RB_UL);
+ else {
+ if (use_extended_prach_prefix)
+ Ncp+=64; // 16*kappa, kappa=4 for 122.88Msps
+ prach2 = prach+(Ncp<<1); //times 2 for complex samples
+ if (prach_fmt_id == 4 || prach_fmt_id == 7 || prach_fmt_id == 9) {
+ idft(IDFT_1024,prachF,prach2,1);
+ // here we have |empty | Prach1024 |
+ if (prach_fmt_id != 9) {
+ memmove(prach2+(1024<<1),prach2,(1024<<2));
+ prach_len = (1024*2)+Ncp;
+ }
+ else prach_len = (1024*1)+Ncp;
+ memmove(prach,prach+(1024<<1),(Ncp<<2));
+ // here we have |Prefix | Prach1024 | Prach1024 (if ! 0xc0) |
+ } else if (prach_fmt_id == 5) { // 6x1024
+ idft(IDFT_1024,prachF,prach2,1);
+ // here we have |empty | Prach1024 |
+ memmove(prach2+(1024<<1),prach2,(1024<<2));
+ // here we have |empty | Prach1024 | Prach1024| empty1024 | empty1024 |
+ memmove(prach2+(1024<<2),prach2,(1024<<3));
+ // here we have |empty | Prach1024 | Prach1024| Prach1024 | Prach1024 |
+ memmove(prach,prach+(1024<<1),(Ncp<<2));
+ // here we have |Prefix | Prach1024 |
+ prach_len = (1024*4)+Ncp;
+ } else if (prach_fmt_id == 6) { // 6x1024
+ idft(IDFT_1024,prachF,prach2,1);
+ // here we have |empty | Prach1024 |
+ memmove(prach2+(1024<<1),prach2,(1024<<2));
+ // here we have |empty | Prach1024 | Prach1024| empty1024 | empty1024 | empty1024 | empty1024
+ memmove(prach2+(1024<<2),prach2,(1024<<3));
+ // here we have |empty | Prach1024 | Prach1024| Prach1024 | Prach1024 | empty1024 | empty1024
+ memmove(prach2+(1024<<3),prach2,(1024<<3));
+ // here we have |empty | Prach1024 | Prach1024| Prach1024 | Prach1024 | Prach1024 | Prach1024
+ memmove(prach,prach+(1024<<1),(Ncp<<2));
+ // here we have |Prefix | Prach1024 |
+ prach_len = (1024*6)+Ncp;
+ } else if (prach_fmt_id == 8) { // 12x1024
+ idft(IDFT_1024,prachF,prach2,1);
+ // here we have |empty | Prach1024 |
+ memmove(prach2+(1024<<1),prach2,(1024<<2));
+ // here we have |empty | Prach1024 | Prach1024| empty1024 | empty1024 | empty1024 | empty1024
+ memmove(prach2+(1024<<2),prach2,(1024<<3));
+ // here we have |empty | Prach1024 | Prach1024| Prach1024 | Prach1024 | empty1024 | empty1024
+ memmove(prach2+(1024<<3),prach2,(1024<<3));
+ // here we have |empty | Prach1024 | Prach1024| Prach1024 | Prach1024 | Prach1024 | Prach1024
+ memmove(prach2+(1024<<1)*6,prach2,(1024<<2)*6);
+ // here we have |empty | Prach1024 | Prach1024| Prach1024 | Prach1024 | Prach1024 | Prach1024 | Prach1024 | Prach1024| Prach1024 | Prach1024 | Prach1024 | Prach1024|
+ memmove(prach,prach+(1024<<1),(Ncp<<2));
+ // here we have |Prefix | Prach1024 | Prach1024| Prach1024 | Prach1024 | Prach1024 | Prach1024 | Prach1024 | Prach1024| Prach1024 | Prach1024 | Prach1024 | Prach1024|
+ prach_len = (1024*12)+Ncp;
+ }
+ }
+ }
+ else
+ AssertFatal(1==0,"3/4 sampling not supported for this PRACH size %d\n",fp->N_RB_UL);
+ }
else if (fp->N_RB_UL < 137) { // 46.08 or 61.44 Ms/s
if (fp->threequarter_fs == 0) { // full sampling @ 61.44 Ms/s
- Ncp<<=1;
- // This is after cyclic prefix (Ncp<<1 samples for 30.72 Ms/s, Ncp<<2 samples for 61.44 Ms/s
- prach2 = prach+(Ncp<<1);
+ Ncp<<=1; //to account for 61.44Mbps
+ // This is after cyclic prefix
+ prach2 = prach+(Ncp<<1); //times 2 for complex samples
if (prach_sequence_length == 0){
if (prach_fmt_id == 0) { //24576 samples @ 30.72 Ms/s, 49152 samples @ 61.44 Ms/s
idft(IDFT_49152,prachF,prach2,1);
@@ -442,9 +598,10 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
prach_len = (12288*4)+Ncp;
}
} else { // short PRACH sequence
+ if (use_extended_prach_prefix)
+ Ncp+=32; // 16*kappa, kappa=2 for 61.44Msps
+ prach2 = prach+(Ncp<<1); //times 2 for complex samples
if (prach_fmt_id == 4 || prach_fmt_id == 7 || prach_fmt_id == 9) {
- Ncp+=32; // This assumes we are transmitting starting in symbol 0 of a PRACH slot, 30 kHz, full sampling
- prach2 = prach+(Ncp<<1);
idft(IDFT_2048,prachF,prach2,1);
// here we have |empty | Prach2048 |
if (prach_fmt_id != 9) {
@@ -455,8 +612,6 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
memmove(prach,prach+(2048<<1),(Ncp<<2));
// here we have |Prefix | Prach2048 | Prach2048 (if ! 0xc0) |
} else if (prach_fmt_id == 5) { // 6x2048
- Ncp+=32; // This assumes we are transmitting starting in symbol 0 of a PRACH slot, 30 kHz, full sampling
- prach2 = prach+(Ncp<<1);
idft(IDFT_2048,prachF,prach2,1);
// here we have |empty | Prach2048 |
memmove(prach2+(2048<<1),prach2,(2048<<2));
@@ -467,8 +622,6 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
// here we have |Prefix | Prach2048 |
prach_len = (2048*4)+Ncp;
} else if (prach_fmt_id == 6) { // 6x2048
- Ncp+=32;
- prach2 = prach+(Ncp<<1);
idft(IDFT_2048,prachF,prach2,1);
// here we have |empty | Prach2048 |
memmove(prach2+(2048<<1),prach2,(2048<<2));
@@ -481,8 +634,6 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
// here we have |Prefix | Prach2048 |
prach_len = (2048*6)+Ncp;
} else if (prach_fmt_id == 8) { // 12x2048
- Ncp+=32; // This assumes we are transmitting starting in symbol 0 of a PRACH slot, 30 kHz, full sampling
- prach2 = prach+(Ncp<<1);
idft(IDFT_2048,prachF,prach2,1);
// here we have |empty | Prach2048 |
memmove(prach2+(2048<<1),prach2,(2048<<2));
@@ -535,9 +686,10 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
prach_len = (9216*4)+Ncp;
}
} else { // short sequence
+ if (use_extended_prach_prefix)
+ Ncp+=24; // 16*kappa, kappa=1.5 for 46.08Msps
+ prach2 = prach+(Ncp<<1); //times 2 for complex samples
if (prach_fmt_id == 4 || prach_fmt_id == 7 || prach_fmt_id == 9) {
- Ncp+=24; // This assumes we are transmitting starting in symbol 0 of a PRACH slot, 30 kHz, full sampling
- prach2 = prach+(Ncp<<1);
idft(IDFT_1536,prachF,prach2,1);
// here we have |empty | Prach1536 |
if (prach_fmt_id != 9) {
@@ -549,9 +701,6 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
// here we have |Prefix | Prach1536 | Prach1536 (if ! 0xc0) |
} else if (prach_fmt_id == 5) { // 6x1536
-
- Ncp+=24; // This assumes we are transmitting starting in symbol 0 of a PRACH slot, 30 kHz, full sampling
- prach2 = prach+(Ncp<<1);
idft(IDFT_1536,prachF,prach2,1);
// here we have |empty | Prach1536 |
memmove(prach2+(1536<<1),prach2,(1536<<2));
@@ -562,8 +711,6 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
// here we have |Prefix | Prach1536 |
prach_len = (1536*4)+Ncp;
} else if (prach_fmt_id == 6) { // 6x1536
- Ncp+=24; // This assumes we are transmitting starting in symbol 0 of a PRACH slot, 30 kHz, full sampling
- prach2 = prach+(Ncp<<1);
idft(IDFT_1536,prachF,prach2,1);
// here we have |empty | Prach1536 |
memmove(prach2+(1536<<1),prach2,(1536<<2));
@@ -576,8 +723,6 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
// here we have |Prefix | Prach1536 |
prach_len = (1536*6)+Ncp;
} else if (prach_fmt_id == 8) { // 12x1536
- Ncp+=24; // This assumes we are transmitting starting in symbol 0 of a PRACH slot, 30 kHz, full sampling
- prach2 = prach+(Ncp<<1);
idft(IDFT_1536,prachF,prach2,1);
// here we have |empty | Prach1536 |
memmove(prach2+(1536<<1),prach2,(1536<<2));
@@ -596,8 +741,9 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
}
} else if (fp->N_RB_UL <= 273) {// 92.16 or 122.88 Ms/s
if (fp->threequarter_fs == 0) { // full sampling @ 122.88 Ms/s
- Ncp<<=2;
- prach2 = prach+(Ncp<<1);
+ Ncp<<=2; //to account for 122.88Mbps
+ // This is after cyclic prefix
+ prach2 = prach+(Ncp<<1); //times 2 for complex samples
if (prach_sequence_length == 0){
if (prach_fmt_id == 0) { //24576 samples @ 30.72 Ms/s, 98304 samples @ 122.88 Ms/s
idft(IDFT_98304,prachF,prach2,1);
@@ -632,9 +778,10 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
prach_len = (24576*4)+Ncp;
}
} else { // short sequence
+ if (use_extended_prach_prefix)
+ Ncp+=64; // 16*kappa, kappa=4 for 122.88Msps
+ prach2 = prach+(Ncp<<1); //times 2 for complex samples
if (prach_fmt_id == 4 || prach_fmt_id == 7 || prach_fmt_id == 9) {
- Ncp+=64; // This assumes we are transmitting starting in symbol 0 of a PRACH slot, 30 kHz, full sampling
- prach2 = prach+(Ncp<<1);
idft(IDFT_4096,prachF,prach2,1);
// here we have |empty | Prach4096 |
if (prach_fmt_id != 9) {
@@ -644,8 +791,6 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
memmove(prach,prach+(4096<<1),(Ncp<<2));
// here we have |Prefix | Prach4096 | Prach4096 (if ! 0xc0) |
} else if (prach_fmt_id == 5) { // 4x4096
- Ncp+=64; // This assumes we are transmitting starting in symbol 0 of a PRACH slot, 30 kHz, full sampling
- prach2 = prach+(Ncp<<1);
idft(IDFT_4096,prachF,prach2,1);
// here we have |empty | Prach4096 |
memmove(prach2+(4096<<1),prach2,(4096<<2));
@@ -656,8 +801,6 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
// here we have |Prefix | Prach4096 |
prach_len = (4096*4)+Ncp;
} else if (prach_fmt_id == 6) { // 6x4096
- Ncp+=64; // This assumes we are transmitting starting in symbol 0 of a PRACH slot, 30 kHz, full sampling
- prach2 = prach+(Ncp<<1);
idft(IDFT_4096,prachF,prach2,1);
// here we have |empty | Prach4096 |
memmove(prach2+(4096<<1),prach2,(4096<<2));
@@ -670,8 +813,6 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
// here we have |Prefix | Prach4096 |
prach_len = (4096*6)+Ncp;
} else if (prach_fmt_id == 8) { // 12x4096
- Ncp+=64; // This assumes we are transmitting starting in symbol 0 of a PRACH slot, 30 kHz, full sampling
- prach2 = prach+(Ncp<<1);
idft(IDFT_4096,prachF,prach2,1);
// here we have |empty | Prach4096 |
memmove(prach2+(4096<<1),prach2,(4096<<2));
@@ -688,8 +829,8 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
}
}
} else { // three quarter sampling @ 92.16 Ms/s
- Ncp = (Ncp*3);
- prach2 = prach+(Ncp<<1);
+ Ncp = (Ncp*3); //to account for 92.16 Msps
+ prach2 = prach+(Ncp<<1); //times 2 for complex samples
if (prach_sequence_length == 0){
if (prach_fmt_id == 0) {
idft(IDFT_73728,prachF,prach2,1);
@@ -724,20 +865,19 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
prach_len = (18432*4)+Ncp;
}
} else { // short sequence
- if (prach_fmt_id == 4 || prach_fmt_id == 7 || prach_fmt_id == 9) {
- Ncp+=48; // This assumes we are transmitting starting in symbol 0 of a PRACH slot, 30 kHz, full sampling
- prach2 = prach+(Ncp<<1);
+ if (use_extended_prach_prefix)
+ Ncp+=48; // 16*kappa, kappa=3 for 92.16Msps
+ prach2 = prach+(Ncp<<1); //times 2 for complex samples
+ if (prach_fmt_id == 4 || prach_fmt_id == 7 || prach_fmt_id == 9) {
idft(IDFT_3072,prachF,prach2,1);
// here we have |empty | Prach3072 |
if (prach_fmt_id != 9) {
memmove(prach2+(3072<<1),prach2,(3072<<2));
prach_len = (3072*2)+Ncp;
} else prach_len = (3072*1)+Ncp;
- memmove(prach,prach+(3072<<1),(Ncp<<2));
- // here we have |Prefix | Prach3072 | Prach3072 (if ! 0xc0) |
+ memmove(prach,prach+(3072<<1),(Ncp<<2));
+ // here we have |Prefix | Prach3072 | Prach3072 (if ! 0xc0) |
} else if (prach_fmt_id == 6) { // 6x3072
- Ncp+=48; // This assumes we are transmitting starting in symbol 0 of a PRACH slot, 30 kHz, full sampling
- prach2 = prach+(Ncp<<1);
idft(IDFT_3072,prachF,prach2,1);
// here we have |empty | Prach3072 |
memmove(prach2+(3072<<1),prach2,(3072<<2));
@@ -750,8 +890,6 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
// here we have |Prefix | Prach3072 |
prach_len = (3072*6)+Ncp;
} else if (prach_fmt_id == 5) { // 4x3072
- Ncp+=48; // This assumes we are transmitting starting in symbol 0 of a PRACH slot, 30 kHz, full sampling
- prach2 = prach+(Ncp<<1);
idft(IDFT_3072,prachF,prach2,1);
// here we have |empty | Prach3072 |
memmove(prach2+(3072<<1),prach2,(3072<<2));
@@ -762,8 +900,6 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
// here we have |Prefix | Prach3072 |
prach_len = (3072*4)+Ncp;
} else if (prach_fmt_id == 6) { // 12x3072
- Ncp+=48; // This assumes we are transmitting starting in symbol 0 of a PRACH slot, 30 kHz, full sampling
- prach2 = prach+(Ncp<<1);
idft(IDFT_3072,prachF,prach2,1);
// here we have |empty | Prach3072 |
memmove(prach2+(3072<<1),prach2,(3072<<2));
diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h b/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h
index 86e46402fd..c74d887101 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h
@@ -707,7 +707,8 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF,
unsigned short nb_pdsch_rb,
unsigned char nr_slot_rx,
uint32_t high_speed_flag,
- NR_DL_FRAME_PARMS *frame_parms);
+ NR_DL_FRAME_PARMS *frame_parms,
+ uint16_t dlDmrsSymbPos);
/** \fn dlsch_extract_rbs_dual(int32_t **rxdataF,
int32_t **dl_ch_estimates,
diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_transport_ue.h b/openair1/PHY/NR_UE_TRANSPORT/nr_transport_ue.h
index a3e202d4fe..7d0febbb5a 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_transport_ue.h
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_transport_ue.h
@@ -141,6 +141,8 @@ typedef struct {
uint8_t decode_phich;
// Encoder BG
uint8_t BG;
+ // LDPC lifting size
+ uint32_t Z;
} NR_UL_UE_HARQ_t;
typedef struct {
@@ -316,6 +318,19 @@ typedef struct {
uint8_t codeword;
/// HARQ-ACKs
NR_UE_HARQ_STATUS_t harq_ack;
+ /// PTRS Frequency Density
+ uint8_t PTRSFreqDensity;
+ /// PTRS Time Density
+ uint8_t PTRSTimeDensity;
+ uint8_t PTRSPortIndex ;
+ uint8_t nEpreRatioOfPDSCHToPTRS;
+ uint8_t PTRSReOffset;
+ /// bit mask of PT-RS ofdm symbol indicies
+ uint16_t ptrs_symbols;
+ // PTRS symbol index, to be updated every PTRS symbol within a slot.
+ uint8_t ptrs_symbol_index;
+ /// PDU BITMAP
+ uint16_t pduBitmap;
} NR_DL_UE_HARQ_t;
typedef struct {
diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c
index fdd40feeba..d9bea8a3ac 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c
@@ -227,8 +227,7 @@ int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
NR_UL_UE_HARQ_t *harq_process;
uint16_t nb_rb ;
uint32_t A, F;
- static uint32_t Z = 0;
- uint32_t *pz = &Z;
+ uint32_t *pz;
uint8_t mod_order;
uint16_t Kr,r;
uint32_t r_offset;
@@ -249,7 +248,7 @@ int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
harq_process = ulsch->harq_processes[harq_pid];
nb_rb = harq_process->pusch_pdu.rb_size;
A = harq_process->pusch_pdu.pusch_data.tb_size*8;
- pz = &Z;
+ pz = &harq_process->Z;
mod_order = nr_get_Qm_ul(harq_process->pusch_pdu.mcs_index, harq_process->pusch_pdu.mcs_table);
R = nr_get_code_rate_ul(harq_process->pusch_pdu.mcs_index, harq_process->pusch_pdu.mcs_table);
Kr=0;
@@ -387,12 +386,13 @@ int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
printf("%d \n", harq_process->d[0][cnt]);
}
printf("\n");*/
- encoder_implemparams_t impp;
- impp.n_segments = harq_process->C;
- impp.tinput = NULL;
- impp.tprep = NULL;
- impp.tparity = NULL;
- impp.toutput = NULL;
+ encoder_implemparams_t impp = {
+ .n_segments=harq_process->C,
+ .macro_num=0,
+ .tinput = NULL,
+ .tprep = NULL,
+ .tparity = NULL,
+ .toutput = NULL};
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_LDPC_ENCODER_OPTIM, VCD_FUNCTION_IN);
diff --git a/openair1/PHY/defs_gNB.h b/openair1/PHY/defs_gNB.h
index b6ffd06c2b..cf5f74856e 100644
--- a/openair1/PHY/defs_gNB.h
+++ b/openair1/PHY/defs_gNB.h
@@ -112,6 +112,8 @@ typedef struct {
uint32_t F;
/// Encoder BG
uint8_t BG;
+ /// LDPC lifting size
+ uint32_t Z;
} NR_DL_gNB_HARQ_t;
typedef struct {
@@ -467,7 +469,7 @@ typedef struct {
/// bit mask of PT-RS ofdm symbol indicies
uint16_t ptrs_symbols;
// PTRS subcarriers per OFDM symbol
- uint16_t ptrs_sc_per_ofdm_symbol;
+ int32_t ptrs_re_per_slot;
/// \brief Estimated phase error based upon PTRS on each symbol .
/// - first index: ? [0..7] Number of Antenna
/// - second index: ? [0...14] smybol per slot
diff --git a/openair1/PHY/defs_nr_UE.h b/openair1/PHY/defs_nr_UE.h
index 8d31eb15f6..4a685bfeb9 100644
--- a/openair1/PHY/defs_nr_UE.h
+++ b/openair1/PHY/defs_nr_UE.h
@@ -338,6 +338,10 @@ typedef struct {
/// - first index: ? [0..7] (hard coded) FIXME! accessed via \c nb_antennas_rx
/// - second index: ? [0..168*N_RB_DL[
int32_t **dl_ch_estimates_ext;
+ /// \brief Downlink channel estimates extracted in PRBS.
+ /// - first index: ? [0..7] (hard coded) FIXME! accessed via \c nb_antennas_rx
+ /// - second index: ? [0..168*N_RB_DL[
+ int32_t **dl_ch_ptrs_estimates_ext;
/// \brief Downlink cross-correlation of MIMO channel estimates (unquantized PMI) extracted in PRBS. For the SIC receiver we need to store the history of this for each harq process and round
/// - first index: ? [0..7] (hard coded) accessed via \c harq_pid
/// - second index: ? [0..7] (hard coded) accessed via \c round
@@ -414,6 +418,16 @@ typedef struct {
uint32_t llr_offset[14];
// llr length per ofdm symbol
uint32_t llr_length[14];
+ // llr offset per ofdm symbol
+ uint32_t dl_valid_re[14];
+ /// \brief Estimated phase error based upon PTRS on each symbol .
+ /// - first index: ? [0..7] Number of Antenna
+ /// - second index: ? [0...14] smybol per slot
+ int32_t **ptrs_phase_per_slot;
+ /// \brief Estimated phase error based upon PTRS on each symbol .
+ /// - first index: ? [0..7] Number of Antenna
+ /// - second index: ? [0...14] smybol per slot
+ int32_t **ptrs_re_per_slot;
} NR_UE_PDSCH;
#define NR_PDCCH_DEFS_NR_UE
@@ -889,7 +903,7 @@ typedef struct {
uint32_t nr_gold_pbch[2][64][NR_PBCH_DMRS_LENGTH_DWORD];
/// PDSCH DMRS
- uint32_t nr_gold_pdsch[2][20][2][NR_MAX_PDSCH_DMRS_INIT_LENGTH_DWORD];
+ uint32_t nr_gold_pdsch[2][20][14][NR_MAX_PDSCH_DMRS_INIT_LENGTH_DWORD];
/// PDCCH DMRS
uint32_t nr_gold_pdcch[7][20][3][52];
diff --git a/openair1/SCHED_NR_UE/fapi_nr_ue_l1.c b/openair1/SCHED_NR_UE/fapi_nr_ue_l1.c
index 4e6bc7497f..c600343ed0 100644
--- a/openair1/SCHED_NR_UE/fapi_nr_ue_l1.c
+++ b/openair1/SCHED_NR_UE/fapi_nr_ue_l1.c
@@ -108,9 +108,16 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){
dlsch0_harq->harq_ack.pucch_resource_indicator = dlsch_config_pdu->pucch_resource_id;
dlsch0_harq->harq_ack.slot_for_feedback_ack = (slot+dlsch_config_pdu->pdsch_to_harq_feedback_time_ind)%frame_parms.slots_per_frame;
dlsch0_harq->Nl=1;
- dlsch0_harq->mcs_table=0;
+ dlsch0_harq->mcs_table=dlsch_config_pdu->mcs_table;
dlsch0_harq->harq_ack.rx_status = downlink_harq_process(dlsch0_harq, dlsch0->current_harq_pid, dlsch_config_pdu->ndi, dlsch0->rnti_type);
dlsch0_harq->harq_ack.vDAI_DL = dlsch_config_pdu->dai;
+ /* PTRS */
+ dlsch0_harq->PTRSFreqDensity = dlsch_config_pdu->PTRSFreqDensity;
+ dlsch0_harq->PTRSTimeDensity = dlsch_config_pdu->PTRSTimeDensity;
+ dlsch0_harq->PTRSPortIndex = dlsch_config_pdu->PTRSPortIndex;
+ dlsch0_harq->nEpreRatioOfPDSCHToPTRS = dlsch_config_pdu->nEpreRatioOfPDSCHToPTRS;
+ dlsch0_harq->PTRSReOffset = dlsch_config_pdu->PTRSReOffset;
+ dlsch0_harq->pduBitmap = dlsch_config_pdu->pduBitmap;
LOG_D(MAC, ">>>> \tdlsch0->g_pucch = %d\tdlsch0_harq.mcs = %d\n", dlsch0->g_pucch, dlsch0_harq->mcs);
}
diff --git a/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c b/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
index d2038cd161..bbe592b914 100644
--- a/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
+++ b/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
@@ -733,8 +733,7 @@ int nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, int eNB_
LOG_D(PHY,"[UE %d] PDSCH type %d active in nr_slot_rx %d, harq_pid %d (%d), rb_start %d, nb_rb %d, symbol_start %d, nb_symbols %d, DMRS mask %x\n",ue->Mod_id,pdsch,nr_slot_rx,harq_pid,dlsch0->harq_processes[harq_pid]->status,pdsch_start_rb,pdsch_nb_rb,s0,s1,dlsch0->harq_processes[harq_pid]->dlDmrsSymbPos);
- // do channel estimation for first DMRS only
- for (m = s0; m < 3; m++) {
+ for (m = s0; m < (s0 +s1); m++) {
if (((1<harq_processes[harq_pid]->dlDmrsSymbPos) > 0) {
for (uint8_t aatx=0; aatx<1; aatx++) {//for MIMO Config: it shall loop over no_layers
nr_pdsch_channel_estimation(ue,
@@ -752,12 +751,13 @@ int nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, int eNB_
char filename[100];
for (uint8_t aarx=0; aarxframe_parms.nb_antennas_rx; aarx++) {
sprintf(filename,"PDSCH_CHANNEL_frame%d_slot%d_sym%d_port%d_rx%d.m", nr_frame_rx, nr_slot_rx, m, aatx,aarx);
- int **dl_ch_estimates = ue->pdsch_vars[ue->current_thread_id[nr_slot_rx]][0]->dl_ch_estimates;
+ int **dl_ch_estimates = ue->pdsch_vars[proc->thread_id][eNB_id]->dl_ch_estimates;
LOG_M(filename,"channel_F",&dl_ch_estimates[aatx*ue->frame_parms.nb_antennas_rx+aarx][ue->frame_parms.ofdm_symbol_size*m],ue->frame_parms.ofdm_symbol_size, 1, 1);
}
#endif
}
- break;
+ if ( ue->high_speed_flag == 0 ) //for slow speed case only estimate the channel once per slot
+ break;
}
}
for (m = s0; m < (s1 + s0); m++) {
@@ -930,7 +930,7 @@ void nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue,
uint8_t is_cw0_active = 0;
uint8_t is_cw1_active = 0;
uint8_t dmrs_type, nb_re_dmrs;
- uint16_t length_dmrs = 1;
+ uint16_t dmrs_len = get_num_dmrs(dlsch0->harq_processes[dlsch0->current_harq_pid]->dlDmrsSymbPos);
uint16_t nb_symb_sch = 9;
nr_downlink_indication_t dl_indication;
fapi_nr_rx_indication_t rx_ind;
@@ -1016,7 +1016,7 @@ void nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue,
dlsch0->harq_processes[harq_pid]->G = nr_get_G(dlsch0->harq_processes[harq_pid]->nb_rb,
nb_symb_sch,
nb_re_dmrs,
- length_dmrs,
+ dmrs_len,
dlsch0->harq_processes[harq_pid]->Qm,
dlsch0->harq_processes[harq_pid]->Nl);
#if UE_TIMING_TRACE
@@ -1099,11 +1099,11 @@ void nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue,
if(is_cw1_active)
{
// start ldpc decode for CW 1
- dlsch1->harq_processes[harq_pid]->G = nr_get_G(dlsch1->harq_processes[harq_pid]->nb_rb,
- nb_symb_sch,
- nb_re_dmrs,
- length_dmrs,
- dlsch1->harq_processes[harq_pid]->Qm,
+ dlsch1->harq_processes[harq_pid]->G = nr_get_G(dlsch1->harq_processes[harq_pid]->nb_rb,
+ nb_symb_sch,
+ nb_re_dmrs,
+ dmrs_len,
+ dlsch1->harq_processes[harq_pid]->Qm,
dlsch1->harq_processes[harq_pid]->Nl);
#if UE_TIMING_TRACE
start_meas(&ue->dlsch_unscrambling_stats);
@@ -1851,7 +1851,7 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,
for (int i=0;i<4;i++) if (((1<dlDmrsSymbPos) > 0) {symb_dmrs=i;break;}
AssertFatal(symb_dmrs>=0,"no dmrs in 0..3\n");
LOG_D(PHY,"Initializing dmrs for symb %d DMRS mask %x\n",symb_dmrs,dlsch0_harq->dlDmrsSymbPos);
- nr_gold_pdsch(ue,symb_dmrs,0, 1);
+ nr_gold_pdsch(ue,0);
for (uint16_t m=start_symb_sch;m<(nb_symb_sch+start_symb_sch) ; m++){
nr_slot_fep(ue,
@@ -2019,7 +2019,7 @@ start_meas(&ue->generic_stat);
if(nr_slot_rx==5 && ue->dlsch[proc->thread_id][gNB_id][0]->harq_processes[ue->dlsch[proc->thread_id][gNB_id][0]->current_harq_pid]->nb_rb > 20){
//write_output("decoder_llr.m","decllr",dlsch_llr,G,1,0);
- //write_output("llr.m","llr", &ue->pdsch_vars[gNB_id]->llr[0][0],(14*nb_rb*12*dlsch1_harq->Qm) - 4*(nb_rb*4*dlsch1_harq->Qm),1,0);
+ //write_output("llr.m","llr", &ue->pdsch_vars[proc->thread_id][gNB_id]->llr[0][0],(14*nb_rb*12*dlsch1_harq->Qm) - 4*(nb_rb*4*dlsch1_harq->Qm),1,0);
write_output("rxdataF0_current.m" , "rxdataF0", &ue->common_vars.common_vars_rx_data_per_thread[proc->thread_id].rxdataF[0][0],14*fp->ofdm_symbol_size,1,1);
//write_output("rxdataF0_previous.m" , "rxdataF0_prev_sss", &ue->common_vars.common_vars_rx_data_per_thread[next_thread_id].rxdataF[0][0],14*fp->ofdm_symbol_size,1,1);
@@ -2027,10 +2027,10 @@ start_meas(&ue->generic_stat);
//write_output("rxdataF0_previous.m" , "rxdataF0_prev", &ue->common_vars.common_vars_rx_data_per_thread[next_thread_id].rxdataF[0][0],14*fp->ofdm_symbol_size,1,1);
write_output("dl_ch_estimates.m", "dl_ch_estimates_sfn5", &ue->common_vars.common_vars_rx_data_per_thread[proc->thread_id].dl_ch_estimates[0][0][0],14*fp->ofdm_symbol_size,1,1);
- write_output("dl_ch_estimates_ext.m", "dl_ch_estimatesExt_sfn5", &ue->pdsch_vars[proc->thread_id][0]->dl_ch_estimates_ext[0][0],14*fp->N_RB_DL*12,1,1);
- write_output("rxdataF_comp00.m","rxdataF_comp00", &ue->pdsch_vars[proc->thread_id][0]->rxdataF_comp0[0][0],14*fp->N_RB_DL*12,1,1);
- //write_output("magDLFirst.m", "magDLFirst", &phy_vars_ue->pdsch_vars[proc->thread_id][0]->dl_ch_mag0[0][0],14*fp->N_RB_DL*12,1,1);
- //write_output("magDLSecond.m", "magDLSecond", &phy_vars_ue->pdsch_vars[proc->thread_id][0]->dl_ch_magb0[0][0],14*fp->N_RB_DL*12,1,1);
+ write_output("dl_ch_estimates_ext.m", "dl_ch_estimatesExt_sfn5", &ue->pdsch_vars[proc->thread_id][gNB_id]->dl_ch_estimates_ext[0][0],14*fp->N_RB_DL*12,1,1);
+ write_output("rxdataF_comp00.m","rxdataF_comp00", &ue->pdsch_vars[proc->thread_id][gNB_id]->rxdataF_comp0[0][0],14*fp->N_RB_DL*12,1,1);
+ //write_output("magDLFirst.m", "magDLFirst", &phy_vars_ue->pdsch_vars[proc->thread_id][gNB_id]->dl_ch_mag0[0][0],14*fp->N_RB_DL*12,1,1);
+ //write_output("magDLSecond.m", "magDLSecond", &phy_vars_ue->pdsch_vars[proc->thread_id][gNB_id]->dl_ch_magb0[0][0],14*fp->N_RB_DL*12,1,1);
AssertFatal (0,"");
}
diff --git a/openair1/SCHED_NR_UE/pucch_uci_ue_nr.c b/openair1/SCHED_NR_UE/pucch_uci_ue_nr.c
index 9a19aef985..6b1e9f62de 100644
--- a/openair1/SCHED_NR_UE/pucch_uci_ue_nr.c
+++ b/openair1/SCHED_NR_UE/pucch_uci_ue_nr.c
@@ -1008,6 +1008,12 @@ boolean_t select_pucch_resource(PHY_VARS_NR_UE *ue, NR_UE_MAC_INST_t *mac, uint8
if (resource_set_found == TRUE) {
if (pucch_resource_indicator < MAX_PUCCH_RESOURCE_INDICATOR) {
+ // Verify that the value of pucch_resource_indicator is valid
+ if (mac->ULbwp[bwp_id-1]->bwp_Dedicated->pucch_Config->choice.setup->resourceSetToAddModList->list.array[pucch_resource_set_id]->resourceList.list.count <= pucch_resource_indicator)
+ {
+ LOG_E(PHY, "Value of pucch_resource_indicator is out of bounds! Possibly due to a false DCI. \n");
+ return (FALSE);
+ }
/* check if resource indexing by pucch_resource_indicator of this set is compatible */
if ((ready_pucch_resource_id == TRUE) || (mac->ULbwp[bwp_id-1]->bwp_Dedicated->pucch_Config->choice.setup->resourceSetToAddModList->list.array[pucch_resource_set_id]->resourceList.list.array[pucch_resource_indicator][0] != MAX_NB_OF_PUCCH_RESOURCES)) {
diff --git a/openair1/SIMULATION/NR_PHY/dlsim.c b/openair1/SIMULATION/NR_PHY/dlsim.c
index 2ca8dae279..2bd70021f7 100644
--- a/openair1/SIMULATION/NR_PHY/dlsim.c
+++ b/openair1/SIMULATION/NR_PHY/dlsim.c
@@ -61,7 +61,7 @@
#include "openair1/SIMULATION/TOOLS/sim.h"
#include "openair1/SIMULATION/NR_PHY/nr_unitary_defs.h"
//#include "openair1/SIMULATION/NR_PHY/nr_dummy_functions.c"
-
+#include "PHY/NR_REFSIG/ptrs_nr.h"
#include "NR_RRCReconfiguration.h"
#define inMicroS(a) (((double)(a))/(cpu_freq_GHz*1000.0))
#include "SIMULATION/LTE_PHY/common_sim.h"
@@ -148,7 +148,8 @@ int is_x2ap_enabled(void)
// needed for some functions
openair0_config_t openair0_cfg[MAX_CARDS];
-
+void update_ptrs_config(NR_CellGroupConfig_t *secondaryCellGroup, uint16_t *rbSize, uint8_t *mcsIndex,int8_t *ptrs_arg);
+void update_dmrs_config(NR_CellGroupConfig_t *scg,PHY_VARS_NR_UE *ue, int8_t* dmrs_arg);
/* specific dlsim DL preprocessor: uses rbStart/rbSize/mcs from command line of
dlsim, does not search for CCE/PUCCH occasion but simply sets to 0 */
@@ -255,6 +256,19 @@ int main(int argc, char **argv)
int css_flag=0;
cpuf = get_cpu_freq_GHz();
+ int8_t enable_ptrs = 0;
+ int8_t modify_dmrs = 0;
+
+ int8_t dmrs_arg[2] = {-1,-1};// Invalid values
+ /* L_PTRS = ptrs_arg[0], K_PTRS = ptrs_arg[1] */
+ int8_t ptrs_arg[2] = {-1,-1};// Invalid values
+
+ uint16_t ptrsRePerSymb = 0;
+ uint16_t pdu_bit_map = 0x0;
+ uint16_t dlPtrsSymPos = 0;
+ uint16_t ptrsSymbPerSlot = 0;
+ uint16_t rbSize = 106;
+ uint8_t mcsIndex = 9;
if ( load_configmodule(argc,argv,CONFIG_ENABLECMDLINEONLY) == 0) {
exit_fun("[NR_DLSIM] Error, configuration module init failed\n");
@@ -266,7 +280,7 @@ int main(int argc, char **argv)
FILE *scg_fd=NULL;
- while ((c = getopt (argc, argv, "f:hA:pf:g:i:j:n:s:S:t:x:y:z:M:N:F:GR:dPIL:Ea:b:e:m:w")) != -1) {
+ while ((c = getopt (argc, argv, "f:hA:pf:g:i:j:n:s:S:t:x:y:z:M:N:F:GR:dPIL:Ea:b:e:m:w:T:U:")) != -1) {
switch (c) {
case 'f':
scg_fd = fopen(optarg,"r");
@@ -450,6 +464,20 @@ int main(int argc, char **argv)
output_fd = fopen("txdata.dat", "w+");
break;
+ case 'T':
+ enable_ptrs=1;
+ for(i=0; i < atoi(optarg); i++) {
+ ptrs_arg[i] = atoi(argv[optind++]);
+ }
+ break;
+
+ case 'U':
+ modify_dmrs = 1;
+ for(i=0; i < atoi(optarg); i++) {
+ dmrs_arg[i] = atoi(argv[optind++]);
+ }
+ break;
+
default:
case 'h':
printf("%s -h(elp) -p(extended_prefix) -N cell_id -f output_filename -F input_filename -g channel_model -n n_frames -t Delayspread -s snr0 -S snr1 -x transmission_mode -y TXant -z RXant -i Intefrence0 -j Interference1 -A interpolation_file -C(alibration offset dB) -N CellId\n",
@@ -480,6 +508,8 @@ int main(int argc, char **argv)
printf("-j Number of symbols for PDSCH (fixed for now)\n");
printf("-e MSC index\n");
printf("-t Acceptable effective throughput (in percentage)\n");
+ printf("-T Enable PTRS, arguments list L_PTRS{0,1,2} K_PTRS{2,4}, e.g. -T 2 0 2 \n");
+ printf("-U Change DMRS Config, arguments list DMRS TYPE{0=A,1=B} DMRS AddPos{0:2}, e.g. -U 2 0 2 \n");
printf("-P Print DLSCH performances\n");
printf("-w Write txdata to binary file (one frame)\n");
exit (-1);
@@ -490,6 +520,8 @@ int main(int argc, char **argv)
logInit();
set_glog(loglvl);
T_stdout = 1;
+ /* initialize the sin table */
+ InitSinLUT();
get_softmodem_params()->phy_test = 1;
@@ -578,7 +610,17 @@ int main(int argc, char **argv)
n_tx,
0);
- xer_fprint(stdout, &asn_DEF_NR_CellGroupConfig, (const void*)secondaryCellGroup);
+ /* -U option modify DMRS */
+ if(modify_dmrs) {
+ update_dmrs_config(secondaryCellGroup, NULL,dmrs_arg);
+ }
+ /* -T option enable PTRS */
+ if(enable_ptrs) {
+ update_ptrs_config(secondaryCellGroup, &rbSize, &mcsIndex, ptrs_arg);
+ }
+
+
+ //xer_fprint(stdout, &asn_DEF_NR_CellGroupConfig, (const void*)secondaryCellGroup);
AssertFatal((gNB->if_inst = NR_IF_Module_init(0))!=NULL,"Cannot register interface");
gNB->if_inst->NR_PHY_config_req = nr_phy_config_request;
@@ -693,6 +735,9 @@ int main(int argc, char **argv)
exit(-1);
}
+ if(modify_dmrs) {
+ update_dmrs_config( NULL,UE,dmrs_arg);
+ }
init_nr_ue_transport(UE,0);
nr_gold_pbch(UE);
@@ -837,7 +882,22 @@ int main(int argc, char **argv)
Sched_INFO.UL_dci_req = NULL;
Sched_INFO.TX_req = &gNB_mac->TX_req[0];
nr_schedule_response(&Sched_INFO);
-
+
+ /* PTRS values for DLSIM calculations */
+ nfapi_nr_dl_tti_request_body_t *dl_req = &gNB_mac->DL_req[Sched_INFO.CC_id].dl_tti_request_body;
+ nfapi_nr_dl_tti_request_pdu_t *dl_tti_pdsch_pdu = &dl_req->dl_tti_pdu_list[1];
+ nfapi_nr_dl_tti_pdsch_pdu_rel15_t *pdsch_pdu_rel15 = &dl_tti_pdsch_pdu->pdsch_pdu.pdsch_pdu_rel15;
+ pdu_bit_map = pdsch_pdu_rel15->pduBitmap;
+ if(pdu_bit_map & 0x1) {
+ set_ptrs_symb_idx(&dlPtrsSymPos,
+ pdsch_pdu_rel15->NrOfSymbols,
+ pdsch_pdu_rel15->StartSymbolIndex,
+ 1<PTRSTimeDensity,
+ pdsch_pdu_rel15->dlDmrsSymbPos);
+ ptrsSymbPerSlot = get_ptrs_symbols_in_slot(dlPtrsSymPos, pdsch_pdu_rel15->StartSymbolIndex, pdsch_pdu_rel15->NrOfSymbols);
+ ptrsRePerSymb = ((rel15->rbSize + rel15->PTRSFreqDensity - 1)/rel15->PTRSFreqDensity);
+ printf("[DLSIM] PTRS Symbols in a slot: %2u, RE per Symbol: %3u, RE in a slot %4d\n", ptrsSymbPerSlot,ptrsRePerSymb, ptrsSymbPerSlot*ptrsRePerSymb );
+ }
if (run_initial_sync)
nr_common_signal_procedures(gNB,frame,slot);
else
@@ -894,7 +954,7 @@ int main(int argc, char **argv)
r_im[aa][i] = ((double)(((short *)txdata[aa]))[(i<<1)+1]);
}
}
-
+ double ts = 1.0/(frame_parms->subcarrier_spacing * frame_parms->ofdm_symbol_size);
//AWGN
sigma2_dB = 10 * log10((double)txlev * ((double)UE->frame_parms.ofdm_symbol_size/(12*rel15->rbSize))) - SNR;
sigma2 = pow(10, sigma2_dB/10);
@@ -907,6 +967,11 @@ int main(int argc, char **argv)
for (aa=0; aanb_antennas_rx; aa++) {
((short*) UE->common_vars.rxdata[aa])[2*i] = (short) ((r_re[aa][i] + sqrt(sigma2/2)*gaussdouble(0.0,1.0)));
((short*) UE->common_vars.rxdata[aa])[2*i+1] = (short) ((r_im[aa][i] + sqrt(sigma2/2)*gaussdouble(0.0,1.0)));
+ /* Add phase noise if enabled */
+ if (pdu_bit_map & 0x1) {
+ phase_noise(ts, &((short*) UE->common_vars.rxdata[aa])[2*i],
+ &((short*) UE->common_vars.rxdata[aa])[2*i+1]);
+ }
}
}
@@ -934,13 +999,17 @@ int main(int argc, char **argv)
int16_t *UE_llr = pdsch_vars[0]->llr[0];
TBS = UE_harq_process->TBS;//rel15->TBSize[0];
- uint16_t length_dmrs = 1;
+ uint16_t length_dmrs = get_num_dmrs(rel15->dlDmrsSymbPos);
uint16_t nb_rb = rel15->rbSize;
uint8_t nb_re_dmrs = rel15->dmrsConfigType == NFAPI_NR_DMRS_TYPE1 ? 6 : 4;
uint8_t mod_order = rel15->qamModOrder[0];
uint8_t nb_symb_sch = rel15->NrOfSymbols;
available_bits = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, mod_order, rel15->nrOfLayers);
+ if(pdu_bit_map & 0x1) {
+ available_bits-= (ptrsSymbPerSlot * ptrsRePerSymb *rel15->nrOfLayers* 2);
+ printf("[DLSIM][PTRS] Available bits are: %5u, removed PTRS bits are: %5u \n",available_bits, (ptrsSymbPerSlot * ptrsRePerSymb *rel15->nrOfLayers* 2) );
+ }
for (i = 0; i < available_bits; i++) {
@@ -992,7 +1061,7 @@ int main(int argc, char **argv)
printf("*****************************************\n");
printf("\n");
dump_pdsch_stats(gNB);
- printf("SNR %f : n_errors (negative CRC) = %d/%d, Avg round %.2f, Channel BER %e, Eff Rate %.4f bits/slot, Eff Throughput %.2f, TBS %d bits/slot\n", SNR, n_errors, n_trials,roundStats[snrRun],(double)errors_scrambling/available_bits/n_trials,effRate,effRate/TBS*100,TBS);
+ printf("SNR %f : n_errors (negative CRC) = %d/%d, Avg round %.2f, Channel BER %e, Eff Rate %.4f bits/slot, Eff Throughput %.2f, TBS %u bits/slot\n", SNR, n_errors, n_trials,roundStats[snrRun],(double)errors_scrambling/available_bits/n_trials,effRate,effRate/TBS*100,TBS);
printf("\n");
if (print_perf==1) {
@@ -1102,3 +1171,79 @@ int main(int argc, char **argv)
return(n_errors);
}
+
+
+void update_ptrs_config(NR_CellGroupConfig_t *secondaryCellGroup, uint16_t *rbSize, uint8_t *mcsIndex, int8_t *ptrs_arg)
+{
+ NR_BWP_Downlink_t *bwp=secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[0];
+ int *ptrsFreqDenst = calloc(2, sizeof(long));
+ ptrsFreqDenst[0]= 25;
+ ptrsFreqDenst[1]= 115;
+ int *ptrsTimeDenst = calloc(3, sizeof(long));
+ ptrsTimeDenst[0]= 2;
+ ptrsTimeDenst[1]= 4;
+ ptrsTimeDenst[2]= 10;
+
+ int epre_Ratio = 0;
+ int reOffset = 0;
+
+ if(ptrs_arg[0] ==0) {
+ ptrsTimeDenst[2]= *mcsIndex -1;
+ }
+ else if(ptrs_arg[0] == 1) {
+ ptrsTimeDenst[1]= *mcsIndex - 1;
+ ptrsTimeDenst[2]= *mcsIndex + 1;
+ }
+ else if(ptrs_arg[0] ==2) {
+ ptrsTimeDenst[0]= *mcsIndex - 1;
+ ptrsTimeDenst[1]= *mcsIndex + 1;
+ }
+ else {
+ printf("[DLSIM] Wrong L_PTRS value, using default values 1\n");
+ }
+ /* L = 4 if Imcs < MCS4 */
+ if(ptrs_arg[1] ==2) {
+ ptrsFreqDenst[0]= *rbSize - 1;
+ ptrsFreqDenst[1]= *rbSize + 1;
+ }
+ else if(ptrs_arg[1] == 4) {
+ ptrsFreqDenst[1]= *rbSize - 1;
+ }
+ else {
+ printf("[DLSIM] Wrong K_PTRS value, using default values 2\n");
+ }
+ printf("[DLSIM] PTRS Enabled with L %d, K %d \n", 1<= 0 && dmrs_arg[1] <3 ) {
+ add_pos = dmrs_arg[1];
+ }
+
+ if(scg != NULL) {
+ NR_BWP_Downlink_t *bwp = scg->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[0];
+ *bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_AdditionalPosition = add_pos;
+ for (int i=0;ibwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList->list.count;i++) {
+ bwp->bwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList->list.array[i]->mappingType = mapping_type;
+ }
+ }
+ if(ue != NULL) {
+ for (int i=0;iPDSCH_Config.pdsch_TimeDomainResourceAllocation[i]->mappingType = mapping_type;
+ }
+ ue->dmrs_DownlinkConfig.pdsch_dmrs_AdditionalPosition = add_pos;
+ }
+ printf("[DLSIM] DMRS Config is modified with Mapping Type %d, Additional Positions %d \n", dmrs_arg[0], dmrs_arg[1] );
+}
diff --git a/openair1/SIMULATION/NR_PHY/prachsim.c b/openair1/SIMULATION/NR_PHY/prachsim.c
index 0cc7e9f08a..1f4db3138a 100644
--- a/openair1/SIMULATION/NR_PHY/prachsim.c
+++ b/openair1/SIMULATION/NR_PHY/prachsim.c
@@ -116,10 +116,10 @@ int main(int argc, char **argv){
int i, aa, aarx, **txdata, trial, n_frames = 1, prach_start, rx_prach_start; //, ntrials=1;
int N_RB_UL = 106, delay = 0, NCS_config = 13, rootSequenceIndex = 1, threequarter_fs = 0, mu = 1, fd_occasion = 0, loglvl = OAILOG_INFO, numRA = 0, prachStartSymbol = 0;
uint8_t snr1set = 0, ue_speed1set = 0, transmission_mode = 1, n_tx = 1, n_rx = 1, awgn_flag = 0, msg1_frequencystart = 0, num_prach_fd_occasions = 1, prach_format=0;
- uint8_t frame = 1, subframe = 9, slot=19, slot_gNB=19, config_index = 98, prach_sequence_length = 1, restrictedSetConfig = 0, N_dur, N_t_slot, start_symbol;
+ uint8_t frame = 1, slot=19, slot_gNB=19, config_index = 98, prach_sequence_length = 1, restrictedSetConfig = 0, N_dur, N_t_slot, start_symbol;
uint16_t Nid_cell = 0, preamble_tx = 0, preamble_delay, format, format0, format1;
uint32_t tx_lev = 10000, prach_errors = 0; //,tx_lev_dB;
- uint64_t SSB_positions = 0x01, absoluteFrequencyPointA = 640000;
+ uint64_t SSB_positions = 0x01;
uint16_t RA_sfn_index;
uint8_t N_RA_slot;
uint8_t config_period;
@@ -153,7 +153,7 @@ int main(int argc, char **argv){
randominit(0);
- while ((c = getopt (argc, argv, "hHaA:Cc:r:p:g:n:s:S:t:x:y:v:V:z:N:F:d:Z:L:R:E")) != -1) {
+ while ((c = getopt (argc, argv, "hHaA:Cc:r:p:g:m:n:s:S:t:x:y:v:V:z:N:F:d:Z:L:R:E")) != -1) {
switch (c) {
case 'a':
printf("Running AWGN simulation\n");
@@ -243,6 +243,10 @@ int main(int argc, char **argv){
threequarter_fs=1;
break;
+ case 'm':
+ mu = atoi(optarg);
+ break;
+
case 'n':
n_frames = atoi(optarg);
break;
@@ -370,13 +374,6 @@ int main(int argc, char **argv){
}
}
-
- if (config_index<67) { prach_sequence_length=0; slot = subframe*2; slot_gNB = 1+(subframe*2); }
- uint16_t N_ZC;
- N_ZC = prach_sequence_length == 0 ? 839 : 139;
-
- printf("Config_index %d, prach_sequence_length %d\n",config_index,prach_sequence_length);
-
// Configure log
logInit();
set_glog(loglvl);
@@ -411,12 +408,20 @@ int main(int argc, char **argv){
frame_parms->N_RB_UL = N_RB_UL;
frame_parms->threequarter_fs = threequarter_fs;
frame_parms->frame_type = TDD;
- frame_parms->freq_range = nr_FR1;
+ frame_parms->freq_range = (mu==1 ? nr_FR1 : nr_FR2);
frame_parms->numerology_index = mu;
nr_phy_config_request_sim(gNB, N_RB_UL, N_RB_UL, mu, Nid_cell, SSB_positions);
- //nsymb = (frame_parms->Ncp == 0) ? 14 : 12;
+ uint64_t absoluteFrequencyPointA = (mu==1 ? 640000 : 2070833);
+
+ uint8_t subframe = slot/frame_parms->slots_per_subframe;
+
+ if (config_index<67 && mu==1) { prach_sequence_length=0; slot = subframe*2; slot_gNB = 1+(subframe*2); }
+ uint16_t N_ZC = prach_sequence_length == 0 ? 839 : 139;
+
+ printf("Config_index %d, prach_sequence_length %d\n",config_index,prach_sequence_length);
+
printf("FFT Size %d, Extended Prefix %d, Samples per subframe %d, Frame type %s, Frequency Range %s\n",
NUMBER_OF_OFDM_CARRIERS,
@@ -432,7 +437,14 @@ int main(int argc, char **argv){
gNB->gNB_config.carrier_config.num_tx_ant.value = 1;
gNB->gNB_config.carrier_config.num_rx_ant.value = 1;
- gNB->gNB_config.tdd_table.tdd_period.value = 6;
+ if (mu==1)
+ gNB->gNB_config.tdd_table.tdd_period.value = 6;
+ else if (mu==3)
+ gNB->gNB_config.tdd_table.tdd_period.value = 3;
+ else {
+ printf("unsupported numerology %d\n",mu);
+ exit(-1);
+ }
gNB->gNB_config.prach_config.num_prach_fd_occasions.value = num_prach_fd_occasions;
gNB->gNB_config.prach_config.num_prach_fd_occasions_list = (nfapi_nr_num_prach_fd_occasions_t *) malloc(num_prach_fd_occasions*sizeof(nfapi_nr_num_prach_fd_occasions_t));
@@ -752,7 +764,7 @@ int main(int argc, char **argv){
LOG_M("prachF0.m","prachF0", &gNB->prach_vars.prachF[0], N_ZC, 1, 1);
LOG_M("rxsig0.m","rxs0", &gNB->common_vars.rxdata[0][subframe*frame_parms->samples_per_subframe], frame_parms->samples_per_subframe, 1, 1);
LOG_M("ru_rxsig0.m","rxs0", &ru->common.rxdata[0][subframe*frame_parms->samples_per_subframe], frame_parms->samples_per_subframe, 1, 1);
- LOG_M("rxsigF0.m","rxsF0", gNB->prach_vars.rxsigF[0], N_ZC, 1, 1);
+ LOG_M("ru_rxsigF0.m","rxsF0", ru->prach_rxsigF[0][0], N_ZC, 1, 1);
LOG_M("prach_preamble.m","prachp", &gNB->X_u[0], N_ZC, 1, 1);
LOG_M("ue_prach_preamble.m","prachp", &UE->X_u[0], N_ZC, 1, 1);
#endif
diff --git a/openair1/SIMULATION/NR_PHY/ulsim.c b/openair1/SIMULATION/NR_PHY/ulsim.c
index 19b107a80a..821ac75a64 100644
--- a/openair1/SIMULATION/NR_PHY/ulsim.c
+++ b/openair1/SIMULATION/NR_PHY/ulsim.c
@@ -56,7 +56,7 @@
#include "openair2/LAYER2/NR_MAC_UE/mac_proto.h"
#include "openair2/LAYER2/NR_MAC_gNB/mac_proto.h"
#include "common/utils/threadPool/thread-pool.h"
-
+#include "PHY/NR_REFSIG/ptrs_nr.h"
#define inMicroS(a) (((double)(a))/(cpu_freq_GHz*1000.0))
#include "SIMULATION/LTE_PHY/common_sim.h"
@@ -163,8 +163,7 @@ int main(int argc, char **argv)
FILE *input_fd = NULL;
SCM_t channel_model = AWGN; //Rayleigh1_anticorr;
uint16_t N_RB_DL = 106, N_RB_UL = 106, mu = 1;
- double tx_gain=1.0;
- double N0=30;
+
NB_UE_INST = 1;
//unsigned char frame_type = 0;
@@ -179,7 +178,6 @@ int main(int argc, char **argv)
int gNB_id = 0;
int ap;
int tx_offset;
- double txlev_float;
int32_t txlev;
int start_rb = 0;
int UE_id =0; // [hna] only works for UE_id = 0 because NUMBER_OF_NR_UE_MAX is set to 1 (phy_init_nr_gNB causes segmentation fault)
@@ -199,6 +197,9 @@ int main(int argc, char **argv)
int ptrs_arg[2] = {-1,-1};// Invalid values
/* DMRS TYPE = dmrs_arg[0], Add Pos = dmrs_arg[1] */
int dmrs_arg[2] = {-1,-1};// Invalid values
+ uint16_t ptrsSymPos = 0;
+ uint16_t ptrsSymbPerSlot = 0;
+ uint16_t ptrsRePerSymb = 0;
UE_nr_rxtx_proc_t UE_proc;
FILE *scg_fd=NULL;
@@ -217,6 +218,9 @@ int main(int argc, char **argv)
//logInit();
randominit(0);
+ /* initialize the sin-cos table */
+ InitSinLUT();
+
while ((c = getopt(argc, argv, "a:b:c:d:ef:g:h:i:j:kl:m:n:p:r:s:y:z:F:G:H:M:N:PR:S:T:U:L:")) != -1) {
printf("handling optarg %c\n",c);
switch (c) {
@@ -950,8 +954,6 @@ int main(int argc, char **argv)
nr_fill_ulsch(gNB,frame,slot,pusch_pdu);
for (int i=0;i<(TBS/8);i++) ulsch_ue[0]->harq_processes[harq_pid]->a[i]=i&0xff;
- double scale = 1;
-
if (input_fd == NULL) {
// set FAPI parameters for UE, put them in the scheduled response and call
@@ -974,20 +976,16 @@ int main(int argc, char **argv)
txlev = signal_energy(&UE->common_vars.txdata[0][tx_offset + 5*frame_parms->ofdm_symbol_size + 4*frame_parms->nb_prefix_samples + frame_parms->nb_prefix_samples0],
frame_parms->ofdm_symbol_size + frame_parms->nb_prefix_samples);
-
- txlev_float = (double)txlev/scale; // output of signal_energy is fixed point representation
-
-
}
else n_trials = 1;
if (input_fd == NULL ) {
- sigma_dB = N0;
+ sigma_dB = 10 * log10((double)txlev * ((double)frame_parms->ofdm_symbol_size/(12*nb_rb))) - SNR;;
sigma = pow(10,sigma_dB/10);
- tx_gain = sqrt(pow(10.0,.1*(N0+SNR))/txlev_float);
- if(n_trials==1) printf("txlev_float %f, sigma_dB %f, tx_gain %f tx_offset %d, slot_offset %d\n",10*log10(txlev_float),sigma_dB,tx_gain,tx_offset,slot_offset);
+
+ if(n_trials==1) printf("sigma %f (%f dB), txlev %f (factor %f)\n",sigma,sigma_dB,10*log10((double)txlev),(double)(double)frame_parms->ofdm_symbol_size/(12*nb_rb));
for (i=0; inb_antennas_rx; ap++) {
- ((int16_t*) &gNB->common_vars.rxdata[ap][slot_offset])[(2*i) + (delay*2)] = (int16_t)((tx_gain*r_re[ap][i]) + (sqrt(sigma/2)*gaussdouble(0.0,1.0))); // convert to fixed point
- ((int16_t*) &gNB->common_vars.rxdata[ap][slot_offset])[(2*i)+1 + (delay*2)] = (int16_t)((tx_gain*r_im[ap][i]) + (sqrt(sigma/2)*gaussdouble(0.0,1.0)));
+ ((int16_t*) &gNB->common_vars.rxdata[ap][slot_offset])[(2*i) + (delay*2)] = (int16_t)((r_re[ap][i]) + (sqrt(sigma/2)*gaussdouble(0.0,1.0))); // convert to fixed point
+ ((int16_t*) &gNB->common_vars.rxdata[ap][slot_offset])[(2*i)+1 + (delay*2)] = (int16_t)((r_im[ap][i]) + (sqrt(sigma/2)*gaussdouble(0.0,1.0)));
/* Add phase noise if enabled */
if (pdu_bit_map & PUSCH_PDU_BITMAP_PUSCH_PTRS) {
phase_noise(ts, &((int16_t*)&gNB->common_vars.rxdata[ap][slot_offset])[(2*i)],
@@ -1018,6 +1016,17 @@ int main(int argc, char **argv)
}
+
+ if(pusch_pdu->pdu_bit_map & PUSCH_PDU_BITMAP_PUSCH_PTRS) {
+ set_ptrs_symb_idx(&ptrsSymPos,
+ pusch_pdu->nr_of_symbols,
+ pusch_pdu->start_symbol_index,
+ 1<ul_dmrs_symb_pos);
+ ptrsSymbPerSlot = get_ptrs_symbols_in_slot(ptrsSymPos, pusch_pdu->start_symbol_index, pusch_pdu->nr_of_symbols);
+ ptrsRePerSymb = ((pusch_pdu->rb_size + ptrs_freq_density - 1)/ptrs_freq_density);
+ printf("[ULSIM] PTRS Symbols in a slot: %2u, RE per Symbol: %3u, RE in a slot %4d\n", ptrsSymbPerSlot,ptrsRePerSymb, ptrsSymbPerSlot*ptrsRePerSymb );
+ }
////////////////////////////////////////////////////////////
//----------------------------------------------------------
@@ -1082,7 +1091,7 @@ int main(int argc, char **argv)
}
/* 2*5*(50/2), for RB = 50,K = 2 for 5 OFDM PTRS symbols */
available_bits -= 2 * ptrs_symbols * ((nb_rb + ptrs_freq_density - 1) /ptrs_freq_density);
- printf("After PTRS subtraction available_bits are : %u \n", available_bits);
+ printf("[ULSIM][PTRS] Available bits are: %5u, removed PTRS bits are: %5d \n",available_bits, (ptrsSymbPerSlot * ptrsRePerSymb * 2) );
}
for (i = 0; i < available_bits; i++) {
diff --git a/openair1/SIMULATION/TOOLS/phase_noise.c b/openair1/SIMULATION/TOOLS/phase_noise.c
index f243a09c59..5958a0ccdd 100644
--- a/openair1/SIMULATION/TOOLS/phase_noise.c
+++ b/openair1/SIMULATION/TOOLS/phase_noise.c
@@ -29,14 +29,43 @@
/* linear phase noise model */
void phase_noise(double ts, int16_t * InRe, int16_t * InIm)
{
+ static uint64_t i=0;
+ int32_t x=0 ,y=0;
double fd = 300;//0.01*30000
- static double i=0;
- double real, imag,x ,y;
+ int16_t SinValue = 0, CosValue= 0;
+ double IdxDouble = (double)(i*fd * ts * ResolSinCos * 4);
+ int16_t IdxModulo = ((int32_t)(IdxDouble>0 ? IdxDouble+0.5 : IdxDouble-0.5)) % (ResolSinCos*4);
+ IdxModulo = IdxModulo<0 ? IdxModulo+ResolSinCos*4 : IdxModulo;
+
+ if(IdxModulo<2*ResolSinCos) {//< 2 check for 1st and 2nd
+ if(IdxModulo < ResolSinCos) {// 1st Quadrant
+ SinValue = LUTSin[IdxModulo];
+ CosValue = LUTSin[ResolSinCos-IdxModulo];
+ }
+ else {// 2nd Quadrant
+ SinValue = LUTSin[2*ResolSinCos-IdxModulo];
+ CosValue = -LUTSin[IdxModulo-ResolSinCos];
+ }
+ }
+ else {// 3rd and 4th Quadrant
+ if(IdxModulo < 3*ResolSinCos) {// 3rd Quadrant
+ SinValue = -LUTSin[IdxModulo-2*ResolSinCos];
+ CosValue = -LUTSin[3*ResolSinCos-IdxModulo];
+ }
+ else {//4th Quadrant
+ SinValue = -LUTSin[4*ResolSinCos-IdxModulo];
+ CosValue = LUTSin[IdxModulo-3*ResolSinCos];
+ }
+ }
+ x = ( ((int32_t)InRe[0] * CosValue) - ((int32_t)InIm[0] * SinValue ));
+ y = ( ((int32_t)InIm[0] * CosValue) + ((int32_t)InRe[0] * SinValue ));
+ InRe[0]= (int16_t)(x>>14);
+ InIm[0]= (int16_t)(y>>14);
i++;
- real = cos(fd * 2 * M_PI * i * ts);
- imag = sin (fd * 2 * M_PI * i * ts);
- x = ((real * (double)InRe[0]) - (imag * (double)InIm[0])) ;
- y= ((real * (double)InIm[0]) + (imag * (double)InRe[0])) ;
- InRe[0]= (int16_t)(x);
- InIm[0]= (int16_t)(y);
+}
+/* Initialisation function for SIN table values */
+void InitSinLUT( void ) {
+ for ( int i=0; i<(ResolSinCos+1); i++ ) {
+ LUTSin[i] = sin((double)(M_PI*i)/(2*ResolSinCos)) * (1<<14); //Format: Q14
+ }
}
diff --git a/openair1/SIMULATION/TOOLS/sim.h b/openair1/SIMULATION/TOOLS/sim.h
index d2684b15c1..55a78e9778 100644
--- a/openair1/SIMULATION/TOOLS/sim.h
+++ b/openair1/SIMULATION/TOOLS/sim.h
@@ -466,6 +466,10 @@ double N_RB2channel_bandwidth(uint16_t N_RB);
\param ts Sampling time
\param *Re *Im Real and Imag part of the signal
*/
+//look-up table for the sine (cosine) function
+#define ResolSinCos 100
+uint16_t LUTSin[ResolSinCos+1];
+void InitSinLUT( void );
void phase_noise(double ts, int16_t * InRe, int16_t * InIm);
#include "targets/RT/USER/rfsim.h"
diff --git a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
index 9a5946498d..cc6b1b9de3 100644
--- a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
+++ b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
@@ -1879,7 +1879,8 @@ void nr_get_tbs_dl(nfapi_nr_dl_tti_pdsch_pdu *pdsch_pdu,
}
uint8_t N_sh_symb = pdsch_rel15->NrOfSymbols;
uint8_t Imcs = pdsch_rel15->mcsIndex[0];
- uint16_t N_RE_prime = NR_NB_SC_PER_RB*N_sh_symb - N_PRB_DMRS - N_PRB_oh;
+ uint16_t dmrs_length = get_num_dmrs(pdsch_rel15->dlDmrsSymbPos);
+ uint16_t N_RE_prime = NR_NB_SC_PER_RB*N_sh_symb - N_PRB_DMRS*dmrs_length - N_PRB_oh;
LOG_D(MAC, "N_RE_prime %d for %d symbols %d DMRS per PRB and %d overhead\n", N_RE_prime, N_sh_symb, N_PRB_DMRS, N_PRB_oh);
uint16_t R;
@@ -1896,10 +1897,10 @@ void nr_get_tbs_dl(nfapi_nr_dl_tti_pdsch_pdu *pdsch_pdu,
TBS = nr_compute_tbs(Qm,
R,
- pdsch_rel15->rbSize,
- N_sh_symb,
- N_PRB_DMRS, // FIXME // This should be multiplied by the number of dmrs symbols
- N_PRB_oh,
+ pdsch_rel15->rbSize,
+ N_sh_symb,
+ N_PRB_DMRS*dmrs_length,
+ N_PRB_oh,
tb_scaling,
pdsch_rel15->nrOfLayers)>>3;
@@ -2784,6 +2785,8 @@ int16_t fill_dmrs_mask(NR_PDSCH_Config_t *pdsch_Config,int dmrs_TypeA_Position,i
if (NrOfSymbols < 13 && *dmrs_config->dmrs_AdditionalPosition!=NR_DMRS_DownlinkConfig__dmrs_AdditionalPosition_pos0) return(1<dmrs_AdditionalPosition!=NR_DMRS_DownlinkConfig__dmrs_AdditionalPosition_pos0) return(1<dmrs_AdditionalPosition!=NR_DMRS_DownlinkConfig__dmrs_AdditionalPosition_pos1) return(1<dmrs_AdditionalPosition==NR_DMRS_DownlinkConfig__dmrs_AdditionalPosition_pos0) return(1<dmrs_AdditionalPosition==NR_DMRS_DownlinkConfig__dmrs_AdditionalPosition_pos1) return(1<dmrs_DownlinkForPDSCH_MappingTypeB &&
@@ -2846,3 +2849,72 @@ int binomial(int n, int k) {
return c;
}
+/* extract PTRS values from RC and validate it based upon 38.214 5.1.6.3 */
+bool set_dl_ptrs_values(NR_PTRS_DownlinkConfig_t *ptrs_config,
+ uint16_t rbSize,uint8_t mcsIndex, uint8_t mcsTable,
+ uint8_t *K_ptrs, uint8_t *L_ptrs,
+ uint8_t *portIndex,uint8_t *nERatio, uint8_t *reOffset,
+ uint8_t NrOfSymbols)
+{
+ bool valid = true;
+
+ /* as defined in T 38.214 5.1.6.3 */
+ if(rbSize < 3) {
+ valid = false;
+ return valid;
+ }
+ /* Check for Frequency Density values */
+ if(ptrs_config->frequencyDensity->list.count < 2) {
+ /* Default value for K_PTRS = 2 as defined in T 38.214 5.1.6.3 */
+ *K_ptrs = 2;
+ }
+ else {
+ *K_ptrs = get_K_ptrs(*ptrs_config->frequencyDensity->list.array[0],
+ *ptrs_config->frequencyDensity->list.array[1],
+ rbSize);
+ }
+ /* Check for time Density values */
+ if(ptrs_config->timeDensity->list.count < 3) {
+ /* Default value for L_PTRS = 1 as defined in T 38.214 5.1.6.3 */
+ *L_ptrs = 1;
+ }
+ else {
+ *L_ptrs = get_L_ptrs(*ptrs_config->timeDensity->list.array[0],
+ *ptrs_config->timeDensity->list.array[1],
+ *ptrs_config->timeDensity->list.array[2],
+ mcsIndex,
+ mcsTable);
+ }
+ *portIndex =*ptrs_config->epre_Ratio;
+ *nERatio = *ptrs_config->resourceElementOffset;
+ *reOffset = 0;
+ /* If either or both of the parameters PT-RS time density (LPT-RS) and PT-RS frequency density (KPT-RS), shown in Table
+ * 5.1.6.3-1 and Table 5.1.6.3-2, indicates that 'PT-RS not present', the UE shall assume that PT-RS is not present
+ */
+ if(*K_ptrs ==2 || *K_ptrs ==4 ) {
+ valid = true;
+ }
+ else {
+ valid = false;
+ return valid;
+ }
+ if(*L_ptrs ==0 || *L_ptrs ==1 || *L_ptrs ==2 ) {
+ valid = true;
+ }
+ else {
+ valid = false;
+ return valid;
+ }
+ /* PTRS is not present also :
+ * When the UE is receiving a PDSCH with allocation duration of 4 symbols and if LPT-RS is set to 4, the UE shall assume
+ * PT-RS is not transmitted
+ * When the UE is receiving a PDSCH with allocation duration of 2 symbols as defined in Clause 7.4.1.1.2 of [4, TS
+ * 38.211] and if LPT-RS is set to 2 or 4, the UE shall assume PT-RS is not transmitted.
+ */
+ if((NrOfSymbols == 4 && *L_ptrs ==2) || ((NrOfSymbols == 2 && *L_ptrs > 0))) {
+ valid = false;
+ return valid;
+ }
+ //printf("[MAC] PTRS is set K= %u L= %u\n", *K_ptrs,1<<*L_ptrs);
+ return valid;
+}
diff --git a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
index f31723a7d6..d4cc1bd2a7 100644
--- a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
+++ b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
@@ -179,4 +179,10 @@ uint8_t get_L_ptrs(uint8_t mcs1, uint8_t mcs2, uint8_t mcs3, uint8_t I_mcs, uint
uint8_t get_K_ptrs(uint16_t nrb0, uint16_t nrb1, uint16_t N_RB);
int16_t get_N_RA_RB (int delta_f_RA_PRACH,int delta_f_PUSCH);
+
+bool set_dl_ptrs_values(NR_PTRS_DownlinkConfig_t *ptrs_config,
+ uint16_t rbSize, uint8_t mcsIndex, uint8_t mcsTable,
+ uint8_t *K_ptrs, uint8_t *L_ptrs,uint8_t *portIndex,
+ uint8_t *nERatio,uint8_t *reOffset,
+ uint8_t NrOfSymbols);
#endif
diff --git a/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c b/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
index f3935d9269..5e615b49f4 100644
--- a/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+++ b/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
@@ -1393,7 +1393,7 @@ fapi_nr_ul_config_request_t *get_ul_config_request(NR_UE_MAC_INST_t *mac, int sl
NR_TDD_UL_DL_Pattern_t *tdd_pattern = &mac->scc->tdd_UL_DL_ConfigurationCommon->pattern1;
const int num_slots_per_tdd = nr_slots_per_frame[mu] >> (7 - tdd_pattern->dl_UL_TransmissionPeriodicity);
const int num_slots_ul = tdd_pattern->nrofUplinkSlots + (tdd_pattern->nrofUplinkSymbols!=0);
- int index = slot + num_slots_ul - num_slots_per_tdd;
+ int index = (slot + num_slots_ul - num_slots_per_tdd) % num_slots_per_tdd;
LOG_D(MAC, "nr_ue_procedures: get_ul_config_request() slots per tdd %d, num_slots_ul %d, index %d\n",
num_slots_per_tdd,
num_slots_ul,
@@ -2896,6 +2896,13 @@ int8_t nr_ue_process_dci_freq_dom_resource_assignment(nfapi_nr_ue_pusch_pdu_t *p
dlsch_config_pdu->number_rbs = NRRIV2BW(riv,n_RB_DLBWP);
dlsch_config_pdu->start_rb = NRRIV2PRBOFFSET(riv,n_RB_DLBWP);
+ // Sanity check in case a false or erroneous DCI is received
+ if ((dlsch_config_pdu->number_rbs < 1 ) || (dlsch_config_pdu->number_rbs > n_RB_DLBWP - dlsch_config_pdu->start_rb)) {
+ // DCI is invalid!
+ LOG_W(MAC, "Frequency domain assignment values are invalid! #RBs: %d, Start RB: %d, n_RB_DLBWP: %d \n", dlsch_config_pdu->number_rbs, dlsch_config_pdu->start_rb, n_RB_DLBWP);
+ return -1;
+ }
+
}
if(pusch_config_pdu != NULL){
/*
@@ -2910,6 +2917,14 @@ int8_t nr_ue_process_dci_freq_dom_resource_assignment(nfapi_nr_ue_pusch_pdu_t *p
pusch_config_pdu->rb_size = NRRIV2BW(riv,n_RB_ULBWP);
pusch_config_pdu->rb_start = NRRIV2PRBOFFSET(riv,n_RB_ULBWP);
+
+ // Sanity check in case a false or erroneous DCI is received
+ if ((pusch_config_pdu->rb_size < 1) || (pusch_config_pdu->rb_size > n_RB_ULBWP - pusch_config_pdu->rb_start)) {
+ // DCI is invalid!
+ LOG_W(MAC, "Frequency domain assignment values are invalid! #RBs: %d, Start RB: %d, n_RB_ULBWP: %d \n",pusch_config_pdu->rb_size, pusch_config_pdu->rb_start, n_RB_ULBWP);
+ return -1;
+ }
+
}
return 0;
}
@@ -3133,8 +3148,9 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
int bwp_id = 1;
int mu = 0;
long k2 = 0;
+ int pucch_res_set_cnt = 0, valid = 0;
uint16_t frame_tx = 0, slot_tx = 0;
-
+ bool valid_ptrs_setup = 0;
NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
fapi_nr_dl_config_request_t *dl_config = &mac->dl_config_request;
fapi_nr_ul_config_request_t *ul_config = NULL;
@@ -3194,7 +3210,8 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
nfapi_nr_ue_pusch_pdu_t *pusch_config_pdu_0_0 = &ul_config->ul_config_list[ul_config->number_pdus].pusch_config_pdu;
/* IDENTIFIER_DCI_FORMATS */
/* FREQ_DOM_RESOURCE_ASSIGNMENT_UL */
- nr_ue_process_dci_freq_dom_resource_assignment(pusch_config_pdu_0_0,NULL,n_RB_ULBWP,0,dci->frequency_domain_assignment.val);
+ if (nr_ue_process_dci_freq_dom_resource_assignment(pusch_config_pdu_0_0,NULL,n_RB_ULBWP,0,dci->frequency_domain_assignment.val) < 0)
+ return -1;
/* TIME_DOM_RESOURCE_ASSIGNMENT */
if (nr_ue_process_dci_time_dom_resource_assignment(mac,pusch_config_pdu_0_0,NULL,dci->time_domain_assignment.val) < 0)
return -1;
@@ -3205,6 +3222,27 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
/* MCS */
pusch_config_pdu_0_0->mcs_index = dci->mcs;
+
+ /* MCS TABLE */
+ if (mac->scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg3_transformPrecoder == NULL)
+ pusch_config_pdu_0_0->transform_precoding = 1;
+ else
+ pusch_config_pdu_0_0->transform_precoding = 0;
+
+ if (pusch_config_pdu_0_0->transform_precoding == transform_precoder_disabled)
+ pusch_config_pdu_0_0->mcs_table = get_pusch_mcs_table(pusch_config->mcs_Table, 0,
+ dci_format, NR_RNTI_TC, NR_SearchSpace__searchSpaceType_PR_common, false);
+ else
+ pusch_config_pdu_0_0->mcs_table = get_pusch_mcs_table(pusch_config->mcs_TableTransformPrecoder, 1,
+ dci_format, NR_RNTI_TC, NR_SearchSpace__searchSpaceType_PR_common, false);
+
+ pusch_config_pdu_0_0->target_code_rate = nr_get_code_rate_ul(pusch_config_pdu_0_0->mcs_index, pusch_config_pdu_0_0->mcs_table);
+ pusch_config_pdu_0_0->qam_mod_order = nr_get_Qm_ul(pusch_config_pdu_0_0->mcs_index, pusch_config_pdu_0_0->mcs_table);
+ if (pusch_config_pdu_0_0->target_code_rate == 0 || pusch_config_pdu_0_0->qam_mod_order == 0) {
+ LOG_W(MAC, "Invalid code rate or Mod order, likely due to unexpected UL DCI. Ignoring DCI! \n");
+ return -1;
+ }
+
/* NDI */
pusch_config_pdu_0_0->pusch_data.new_data_indicator = dci->ndi;
/* RV */
@@ -3293,7 +3331,8 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
/* BANDWIDTH_PART_IND */
//pusch_config_pdu_0_1->bandwidth_part_ind = dci->bwp_indicator.val;
/* FREQ_DOM_RESOURCE_ASSIGNMENT_UL */
- nr_ue_process_dci_freq_dom_resource_assignment(pusch_config_pdu_0_1,NULL,n_RB_ULBWP,0,dci->frequency_domain_assignment.val);
+ if (nr_ue_process_dci_freq_dom_resource_assignment(pusch_config_pdu_0_1,NULL,n_RB_ULBWP,0,dci->frequency_domain_assignment.val) < 0)
+ return -1;
/* TIME_DOM_RESOURCE_ASSIGNMENT */
if (nr_ue_process_dci_time_dom_resource_assignment(mac,pusch_config_pdu_0_1,NULL,dci->time_domain_assignment.val) < 0)
return -1;
@@ -3651,7 +3690,8 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
dlsch_config_pdu_1_0->SubcarrierSpacing = mac->DLbwp[0]->bwp_Common->genericParameters.subcarrierSpacing;
/* IDENTIFIER_DCI_FORMATS */
/* FREQ_DOM_RESOURCE_ASSIGNMENT_DL */
- nr_ue_process_dci_freq_dom_resource_assignment(NULL,dlsch_config_pdu_1_0,0,n_RB_DLBWP,dci->frequency_domain_assignment.val);
+ if (nr_ue_process_dci_freq_dom_resource_assignment(NULL,dlsch_config_pdu_1_0,0,n_RB_DLBWP,dci->frequency_domain_assignment.val) < 0)
+ return -1;
/* TIME_DOM_RESOURCE_ASSIGNMENT */
if (nr_ue_process_dci_time_dom_resource_assignment(mac,NULL,dlsch_config_pdu_1_0,dci->time_domain_assignment.val) < 0)
return -1;
@@ -3669,6 +3709,11 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
dlsch_config_pdu_1_0->vrb_to_prb_mapping = (dci->vrb_to_prb_mapping.val == 0) ? vrb_to_prb_mapping_non_interleaved:vrb_to_prb_mapping_interleaved;
/* MCS */
dlsch_config_pdu_1_0->mcs = dci->mcs;
+ // Basic sanity check for MCS value to check for a false or erroneous DCI
+ if (dlsch_config_pdu_1_0->mcs > 28) {
+ LOG_W(MAC, "MCS value % d out of bounds! Possibly due to false DCI. Ignoring DCI!!\n", dlsch_config_pdu_1_0->mcs);
+ return -1;
+ }
/* NDI (only if CRC scrambled by C-RNTI or CS-RNTI or new-RNTI or TC-RNTI)*/
dlsch_config_pdu_1_0->ndi = dci->ndi;
/* RV (only if CRC scrambled by C-RNTI or CS-RNTI or new-RNTI or TC-RNTI)*/
@@ -3699,6 +3744,20 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
//if (dci->pucch_resource_indicator == 6) dlsch_config_pdu_1_0->pucch_resource_id = 7; //pucch-ResourceId obtained from the 7th value of resourceList FIXME!!
//if (dci->pucch_resource_indicator == 7) dlsch_config_pdu_1_0->pucch_resource_id = 8; //pucch-ResourceId obtained from the 8th value of resourceList FIXME!!
dlsch_config_pdu_1_0->pucch_resource_id = dci->pucch_resource_indicator;
+ // Sanity check for pucch_resource_indicator value received to check for false DCI.
+ valid = 0;
+ pucch_res_set_cnt = mac->ULbwp[0]->bwp_Dedicated->pucch_Config->choice.setup->resourceSetToAddModList->list.count;
+ for (int id = 0; id < pucch_res_set_cnt; id++) {
+ if (dlsch_config_pdu_1_0->pucch_resource_id < mac->ULbwp[0]->bwp_Dedicated->pucch_Config->choice.setup->resourceSetToAddModList->list.array[id]->resourceList.list.count) {
+ valid = 1;
+ break;
+ }
+ }
+ if (!valid) {
+ LOG_W(MAC, "pucch_resource_indicator value %d is out of bounds. Possibly due to false DCI. Ignoring DCI!\n", dlsch_config_pdu_1_0->pucch_resource_id);
+ return -1;
+ }
+
/* PDSCH_TO_HARQ_FEEDBACK_TIME_IND (only if CRC scrambled by C-RNTI or CS-RNTI or new-RNTI)*/
dlsch_config_pdu_1_0->pdsch_to_harq_feedback_time_ind = dci->pdsch_to_harq_feedback_timing_indicator.val;
@@ -3776,7 +3835,8 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
/* BANDWIDTH_PART_IND */
// dlsch_config_pdu_1_1->bandwidth_part_ind = dci->bandwidth_part_ind;
/* FREQ_DOM_RESOURCE_ASSIGNMENT_DL */
- nr_ue_process_dci_freq_dom_resource_assignment(NULL,dlsch_config_pdu_1_1,0,n_RB_DLBWP,dci->frequency_domain_assignment.val);
+ if (nr_ue_process_dci_freq_dom_resource_assignment(NULL,dlsch_config_pdu_1_1,0,n_RB_DLBWP,dci->frequency_domain_assignment.val) < 0)
+ return -1;
/* TIME_DOM_RESOURCE_ASSIGNMENT */
if (nr_ue_process_dci_time_dom_resource_assignment(mac,NULL,dlsch_config_pdu_1_1,dci->time_domain_assignment.val) < 0)
return -1;
@@ -3799,12 +3859,22 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
dlsch_config_pdu_1_1->zp_csi_rs_trigger = dci->zp_csi_rs_trigger.val;
/* MCS (for transport block 1)*/
dlsch_config_pdu_1_1->mcs = dci->mcs;
+ // Basic sanity check for MCS value to check for a false or erroneous DCI
+ if (dlsch_config_pdu_1_1->mcs > 28) {
+ LOG_W(MAC, "MCS value % d out of bounds! Possibly due to false DCI. Ignoring DCI!!\n", dlsch_config_pdu_1_1->mcs);
+ return -1;
+ }
/* NDI (for transport block 1)*/
dlsch_config_pdu_1_1->ndi = dci->ndi;
/* RV (for transport block 1)*/
dlsch_config_pdu_1_1->rv = dci->rv;
/* MCS (for transport block 2)*/
dlsch_config_pdu_1_1->tb2_mcs = dci->mcs2.val;
+ // Basic sanity check for MCS value to check for a false or erroneous DCI
+ if (dlsch_config_pdu_1_1->tb2_mcs > 28) {
+ LOG_W(MAC, "MCS value % d out of bounds! Possibly due to false DCI. Ignoring DCI!!\n", dlsch_config_pdu_1_1->tb2_mcs);
+ return -1;
+ }
/* NDI (for transport block 2)*/
dlsch_config_pdu_1_1->tb2_ndi = dci->ndi2.val;
/* RV (for transport block 2)*/
@@ -3821,6 +3891,20 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
if (dci->tpc == 3) dlsch_config_pdu_1_1->accumulated_delta_PUCCH = 3;
/* PUCCH_RESOURCE_IND */
dlsch_config_pdu_1_1->pucch_resource_id = dci->pucch_resource_indicator;
+ // Sanity check for pucch_resource_indicator value received to check for false DCI.
+ valid = 0;
+ pucch_res_set_cnt = mac->ULbwp[0]->bwp_Dedicated->pucch_Config->choice.setup->resourceSetToAddModList->list.count;
+ for (int id = 0; id < pucch_res_set_cnt; id++) {
+ if (dlsch_config_pdu_1_1->pucch_resource_id < mac->ULbwp[0]->bwp_Dedicated->pucch_Config->choice.setup->resourceSetToAddModList->list.array[id]->resourceList.list.count) {
+ valid = 1;
+ break;
+ }
+ }
+ if (!valid) {
+ LOG_W(MAC, "pucch_resource_indicator value %d is out of bounds. Possibly due to false DCI. Ignoring DCI!\n", dlsch_config_pdu_1_1->pucch_resource_id);
+ return -1;
+ }
+
/* PDSCH_TO_HARQ_FEEDBACK_TIME_IND */
// according to TS 38.213 Table 9.2.3-1
dlsch_config_pdu_1_1->pdsch_to_harq_feedback_time_ind = mac->ULbwp[bwp_id-1]->bwp_Dedicated->pucch_Config->choice.setup->dl_DataToUL_ACK->list.array[dci->pdsch_to_harq_feedback_timing_indicator.val][0];
@@ -3925,6 +4009,19 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
LOG_D(MAC,"(nr_ue_procedures.c) pdu_type=%d\n\n",dl_config->dl_config_list[dl_config->number_pdus].pdu_type);
dl_config->number_pdus = dl_config->number_pdus + 1;
+ /* TODO same calculation for MCS table as done in UL */
+ dlsch_config_pdu_1_1->mcs_table = 0;
+ /*PTRS configuration */
+ if(mac->DLbwp[0]->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS != NULL) {
+ valid_ptrs_setup = set_dl_ptrs_values(mac->DLbwp[0]->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup,
+ dlsch_config_pdu_1_1->number_rbs, dlsch_config_pdu_1_1->mcs, dlsch_config_pdu_1_1->mcs_table,
+ &dlsch_config_pdu_1_1->PTRSFreqDensity,&dlsch_config_pdu_1_1->PTRSTimeDensity,
+ &dlsch_config_pdu_1_1->PTRSPortIndex,&dlsch_config_pdu_1_1->nEpreRatioOfPDSCHToPTRS,
+ &dlsch_config_pdu_1_1->PTRSReOffset, dlsch_config_pdu_1_1->number_symbols);
+ if(valid_ptrs_setup==true) {
+ dlsch_config_pdu_1_1->pduBitmap |= 0x1;
+ }
+ }
break;
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
index 5d701bf5b8..e4c2e11d7d 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
@@ -337,61 +337,6 @@ void nr_schedule_pusch(int Mod_idP,
}
}
-
-void nr_schedule_pucch(int Mod_idP,
- int UE_id,
- int nr_ulmix_slots,
- frame_t frameP,
- sub_frame_t slotP) {
-
- uint16_t O_csi, O_ack, O_uci;
- uint8_t O_sr = 0; // no SR in PUCCH implemented for now
- NR_ServingCellConfigCommon_t *scc = RC.nrmac[Mod_idP]->common_channels->ServingCellConfigCommon;
- NR_UE_info_t *UE_info = &RC.nrmac[Mod_idP]->UE_info;
- AssertFatal(UE_info->active[UE_id],"Cannot find UE_id %d is not active\n",UE_id);
-
- NR_CellGroupConfig_t *secondaryCellGroup = UE_info->secondaryCellGroup[UE_id];
- int bwp_id=1;
- NR_BWP_Uplink_t *ubwp=secondaryCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->uplinkBWP_ToAddModList->list.array[bwp_id-1];
- nfapi_nr_ul_tti_request_t *UL_tti_req = &RC.nrmac[Mod_idP]->UL_tti_req[0];
-
- NR_sched_pucch *curr_pucch;
-
- for (int k=0; kUE_sched_ctrl[UE_id].sched_pucch[k][l];
- O_ack = curr_pucch->dai_c;
- O_csi = curr_pucch->csi_bits;
- O_uci = O_ack + O_csi + O_sr;
- if ((O_uci>0) && (frameP == curr_pucch->frame) && (slotP == curr_pucch->ul_slot)) {
- UL_tti_req->SFN = curr_pucch->frame;
- UL_tti_req->Slot = curr_pucch->ul_slot;
- UL_tti_req->pdus_list[UL_tti_req->n_pdus].pdu_type = NFAPI_NR_UL_CONFIG_PUCCH_PDU_TYPE;
- UL_tti_req->pdus_list[UL_tti_req->n_pdus].pdu_size = sizeof(nfapi_nr_pucch_pdu_t);
- nfapi_nr_pucch_pdu_t *pucch_pdu = &UL_tti_req->pdus_list[UL_tti_req->n_pdus].pucch_pdu;
- memset(pucch_pdu,0,sizeof(nfapi_nr_pucch_pdu_t));
- UL_tti_req->n_pdus+=1;
-
- LOG_D(MAC,"Scheduling pucch reception for frame %d slot %d with (%d, %d, %d) (SR ACK, CSI) bits\n",
- frameP,slotP,O_sr,O_ack,curr_pucch->csi_bits);
-
- nr_configure_pucch(pucch_pdu,
- scc,
- ubwp,
- UE_info->rnti[UE_id],
- curr_pucch->resource_indicator,
- O_csi,
- O_ack,
- O_sr);
-
- memset((void *) &UE_info->UE_sched_ctrl[UE_id].sched_pucch[k][l],
- 0,
- sizeof(NR_sched_pucch));
- }
- }
- }
-}
-
bool is_xlsch_in_slot(uint64_t bitmap, sub_frame_t slot) {
return (bitmap >> slot) & 0x01;
}
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
index 7a7fe1288c..a9839ed985 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
@@ -304,9 +304,8 @@ int nr_generate_dlsch_pdu(module_id_t module_idP,
// 2) Generation of DLSCH MAC subPDUs including subheaders and MAC SDUs
for (i = 0; i < num_sdus; i++) {
- LOG_D(MAC, "[gNB] Generate DLSCH header num sdu %d len sdu %d\n", num_sdus, sdu_lengths[i]);
- if (sdu_lengths[i] < 128) {
+ if (sdu_lengths[i] < 256) {
((NR_MAC_SUBHEADER_SHORT *) mac_pdu_ptr)->R = 0;
((NR_MAC_SUBHEADER_SHORT *) mac_pdu_ptr)->F = 0;
((NR_MAC_SUBHEADER_SHORT *) mac_pdu_ptr)->LCID = sdu_lcids[i];
@@ -316,7 +315,7 @@ int nr_generate_dlsch_pdu(module_id_t module_idP,
((NR_MAC_SUBHEADER_LONG *) mac_pdu_ptr)->R = 0;
((NR_MAC_SUBHEADER_LONG *) mac_pdu_ptr)->F = 1;
((NR_MAC_SUBHEADER_LONG *) mac_pdu_ptr)->LCID = sdu_lcids[i];
- ((NR_MAC_SUBHEADER_LONG *) mac_pdu_ptr)->L1 = ((unsigned short) sdu_lengths[i] >> 8) & 0x7f;
+ ((NR_MAC_SUBHEADER_LONG *) mac_pdu_ptr)->L1 = ((unsigned short) sdu_lengths[i] >> 8) & 0xff;
((NR_MAC_SUBHEADER_LONG *) mac_pdu_ptr)->L2 = (unsigned short) sdu_lengths[i] & 0xff;
last_size = 3;
}
@@ -326,6 +325,7 @@ int nr_generate_dlsch_pdu(module_id_t module_idP,
memcpy((void *) mac_pdu_ptr, (void *) dlsch_buffer_ptr, sdu_lengths[i]);
dlsch_buffer_ptr += sdu_lengths[i];
mac_pdu_ptr += sdu_lengths[i];
+ LOG_D(MAC, "Generate DLSCH header num sdu %d len header %d len sdu %d -> offset %ld\n", num_sdus, last_size, sdu_lengths[i], (unsigned char *)mac_pdu_ptr - mac_pdu);
}
// 4) Compute final offset for padding
@@ -333,6 +333,7 @@ int nr_generate_dlsch_pdu(module_id_t module_idP,
((NR_MAC_SUBHEADER_FIXED *) mac_pdu_ptr)->R = 0;
((NR_MAC_SUBHEADER_FIXED *) mac_pdu_ptr)->LCID = DL_SCH_LCID_PADDING;
mac_pdu_ptr++;
+ LOG_D(MAC, "Generate Padding -> offset %ld\n", (unsigned char *)mac_pdu_ptr - mac_pdu);
} else {
// no MAC subPDU with padding
}
@@ -343,100 +344,6 @@ int nr_generate_dlsch_pdu(module_id_t module_idP,
return offset;
}
-void nr_rx_acknack(nfapi_nr_uci_pusch_pdu_t *uci_pusch,
- nfapi_nr_uci_pucch_pdu_format_0_1_t *uci_01,
- nfapi_nr_uci_pucch_pdu_format_2_3_4_t *uci_234,
- NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl, NR_mac_stats_t *stats) {
-
- // TODO
- int max_harq_rounds = 4; // TODO define macro
-
- if (uci_01 != NULL) {
- // handle harq
- int harq_idx_s = 0;
-
- // iterate over received harq bits
- for (int harq_bit = 0; harq_bit < uci_01->harq->num_harq; harq_bit++) {
- // search for the right harq process
- for (int harq_idx = harq_idx_s; harq_idx < NR_MAX_NB_HARQ_PROCESSES; harq_idx++) {
- // if the gNB received ack with a good confidence
- if ((UL_info->slot-1) == sched_ctrl->harq_processes[harq_idx].feedback_slot) {
- if ((uci_01->harq->harq_list[harq_bit].harq_value == 1) &&
- (uci_01->harq->harq_confidence_level == 0)) {
- // toggle NDI and reset round
- sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
- sched_ctrl->harq_processes[harq_idx].round = 0;
- }
- else
- sched_ctrl->harq_processes[harq_idx].round++;
- sched_ctrl->harq_processes[harq_idx].is_waiting = 0;
- harq_idx_s = harq_idx + 1;
- // if the max harq rounds was reached
- if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
- sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
- sched_ctrl->harq_processes[harq_idx].round = 0;
- stats->dlsch_errors++;
- }
- break;
- }
- // if feedback slot processing is aborted
- else if (((UL_info->slot-1) > sched_ctrl->harq_processes[harq_idx].feedback_slot) &&
- (sched_ctrl->harq_processes[harq_idx].is_waiting)) {
- sched_ctrl->harq_processes[harq_idx].round++;
- if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
- sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
- sched_ctrl->harq_processes[harq_idx].round = 0;
- }
- sched_ctrl->harq_processes[harq_idx].is_waiting = 0;
- }
- }
- }
- }
-
-
- if (uci_234 != NULL) {
- int harq_idx_s = 0;
- int acknack;
-
- // iterate over received harq bits
- for (int harq_bit = 0; harq_bit < uci_234->harq.harq_bit_len; harq_bit++) {
- acknack = ((uci_234->harq.harq_payload[harq_bit>>3])>>harq_bit)&0x01;
- for (int harq_idx = harq_idx_s; harq_idx < NR_MAX_NB_HARQ_PROCESSES-1; harq_idx++) {
- // if the gNB received ack with a good confidence or if the max harq rounds was reached
- if ((UL_info->slot-1) == sched_ctrl->harq_processes[harq_idx].feedback_slot) {
- // TODO add some confidence level for when there is no CRC
- if ((uci_234->harq.harq_crc != 1) && acknack) {
- // toggle NDI and reset round
- sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
- sched_ctrl->harq_processes[harq_idx].round = 0;
- }
- else
- sched_ctrl->harq_processes[harq_idx].round++;
- sched_ctrl->harq_processes[harq_idx].is_waiting = 0;
- harq_idx_s = harq_idx + 1;
- // if the max harq rounds was reached
- if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
- sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
- sched_ctrl->harq_processes[harq_idx].round = 0;
- stats->dlsch_errors++;
- }
- break;
- }
- // if feedback slot processing is aborted
- else if (((UL_info->slot-1) > sched_ctrl->harq_processes[harq_idx].feedback_slot) &&
- (sched_ctrl->harq_processes[harq_idx].is_waiting)) {
- sched_ctrl->harq_processes[harq_idx].round++;
- if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
- sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
- sched_ctrl->harq_processes[harq_idx].round = 0;
- }
- sched_ctrl->harq_processes[harq_idx].is_waiting = 0;
- }
- }
- }
- }
-}
-
int getNrOfSymbols(NR_BWP_Downlink_t *bwp, int tda) {
struct NR_PDSCH_TimeDomainResourceAllocationList *tdaList =
bwp->bwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList;
@@ -503,11 +410,12 @@ void nr_simple_dlsch_preprocessor(module_id_t module_id,
&& !sched_ctrl->ta_apply) /* If TA should be applied, give at least one RB */
return;
LOG_D(MAC,
- "%d.%d, DTCH%d->DLSCH, RLC status %d bytes\n",
+ "%d.%d, DTCH%d->DLSCH, RLC status %d bytes TA %d\n",
frame,
slot,
lcid,
- sched_ctrl->rlc_status[lcid].bytes_in_buffer);
+ sched_ctrl->rlc_status[lcid].bytes_in_buffer,
+ sched_ctrl->ta_apply);
/* Find a free CCE */
const int target_ss = NR_SearchSpace__searchSpaceType_PR_ue_Specific;
@@ -598,6 +506,8 @@ void nr_simple_dlsch_preprocessor(module_id_t module_id,
sched_ctrl->time_domain_allocation);
int rbSize = 0;
+ const int oh = 2 + (sched_ctrl->num_total_bytes >= 256)
+ + 2 * (frame == (sched_ctrl->ta_frame + 10) % 1024);
uint32_t TBS = 0;
do {
rbSize++;
@@ -611,7 +521,7 @@ void nr_simple_dlsch_preprocessor(module_id_t module_id,
0 /* tb_scaling */,
1 /* nrOfLayers */)
>> 3;
- } while (rbStart + rbSize < bwpSize && !vrb_map[rbStart + rbSize] && TBS < sched_ctrl->num_total_bytes);
+ } while (rbStart + rbSize < bwpSize && !vrb_map[rbStart + rbSize] && TBS < sched_ctrl->num_total_bytes + oh);
sched_ctrl->rbSize = rbSize;
sched_ctrl->rbStart = rbStart;
}
@@ -642,7 +552,7 @@ void nr_schedule_ue_spec(module_id_t module_id,
* If such UE is not scheduled now, it will be by the preprocessor later.
* If we add the CE, ta_apply will be reset */
if (frame == (sched_ctrl->ta_frame + 10) % 1024)
- sched_ctrl->ta_apply = false; /* the timer is reset once TA CE is scheduled */
+ sched_ctrl->ta_apply = true; /* the timer is reset once TA CE is scheduled */
if (sched_ctrl->rbSize <= 0)
continue;
@@ -683,6 +593,10 @@ void nr_schedule_ue_spec(module_id_t module_id,
harq->is_waiting = 1;
UE_info->mac_stats[UE_id].dlsch_rounds[harq->round]++;
+ LOG_D(MAC, "%4d.%2d RNTI %04x start %d RBS %d MCS %d TBS %d HARQ PID %d round %d NDI %d\n",
+ frame, slot, rnti, sched_ctrl->rbStart, sched_ctrl->rbSize, sched_ctrl->mcs,
+ TBS, current_harq_pid, harq->round, harq->ndi);
+
nfapi_nr_dl_tti_request_body_t *dl_req = &gNB_mac->DL_req[CC_id].dl_tti_request_body;
nr_fill_nfapi_dl_pdu(module_id,
dl_req,
@@ -742,12 +656,17 @@ void nr_schedule_ue_spec(module_id_t module_id,
unsigned char sdu_lcids[NB_RB_MAX] = {0};
const int lcid = DL_SCH_LCID_DTCH;
if (sched_ctrl->num_total_bytes > 0) {
+ /* this is the data from the RLC we would like to request (e.g., only
+ * some bytes for first LC and some more from a second one */
+ const rlc_buffer_occupancy_t ndata = sched_ctrl->rlc_status[lcid].bytes_in_buffer;
+ /* this is the maximum data we can transport based on TBS minus headers */
+ const int mindata = min(ndata, TBS - ta_len - header_length_total - sdu_length_total - 2 - (ndata >= 256));
LOG_D(MAC,
"[gNB %d][USER-PLANE DEFAULT DRB] Frame %d : DTCH->DLSCH, Requesting "
"%d bytes from RLC (lcid %d total hdr len %d), TBS: %d \n \n",
module_id,
frame,
- TBS - ta_len - header_length_total - sdu_length_total - 3,
+ mindata,
lcid,
header_length_total,
TBS);
@@ -759,7 +678,7 @@ void nr_schedule_ue_spec(module_id_t module_id,
ENB_FLAG_YES,
MBMS_FLAG_NO,
lcid,
- TBS - ta_len - header_length_total - sdu_length_total - 3,
+ mindata,
(char *)&mac_sdus[sdu_length_total],
0,
0);
@@ -783,7 +702,7 @@ void nr_schedule_ue_spec(module_id_t module_id,
mac_sdus[i] = (unsigned char) (lrand48()&0xff);
sdu_lcids[0] = 0x3f; // DRB
sdu_lengths[0] = TBS - ta_len - 3;
- header_length_total += 2 + (sdu_lengths[0] >= 128);
+ header_length_total += 2 + (sdu_lengths[0] >= 256);
sdu_length_total += sdu_lengths[0];
num_sdus +=1;
}
@@ -791,7 +710,7 @@ void nr_schedule_ue_spec(module_id_t module_id,
UE_info->mac_stats[UE_id].dlsch_total_bytes += TBS;
UE_info->mac_stats[UE_id].lc_bytes_tx[lcid] += sdu_length_total;
- const int post_padding = TBS >= 2 + header_length_total + sdu_length_total + ta_len;
+ const int post_padding = TBS > header_length_total + sdu_length_total + ta_len;
const int ntx_req = gNB_mac->TX_req[CC_id].Number_of_PDUs;
nfapi_nr_pdu_t *tx_req = &gNB_mac->TX_req[CC_id].pdu_list[ntx_req];
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
index dda70ef66a..ae389cd23b 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
@@ -453,6 +453,7 @@ void nr_fill_nfapi_dl_pdu(int Mod_idP,
const int bwp_id = sched_ctrl->active_bwp->bwp_Id;
const int nrOfLayers = 1;
const int mcs = sched_ctrl->mcs;
+ bool valid_ptrs_setup = false;
AssertFatal(secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.count == 1,
"downlinkBWP_ToAddModList has %d BWP!\n",
@@ -521,6 +522,19 @@ void nr_fill_nfapi_dl_pdu(int Mod_idP,
scc->dmrs_TypeA_Position,
pdsch_pdu_rel15->NrOfSymbols);
+ /* Check and validate PTRS values */
+ if(bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS != NULL) {
+ valid_ptrs_setup = set_dl_ptrs_values(bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup,
+ pdsch_pdu_rel15->rbSize, pdsch_pdu_rel15->mcsIndex[0],
+ pdsch_pdu_rel15->mcsTable[0],
+ &pdsch_pdu_rel15->PTRSFreqDensity,&pdsch_pdu_rel15->PTRSTimeDensity,
+ &pdsch_pdu_rel15->PTRSPortIndex,&pdsch_pdu_rel15->nEpreRatioOfPDSCHToPTRS,
+ &pdsch_pdu_rel15->PTRSReOffset, pdsch_pdu_rel15->NrOfSymbols);
+ if(valid_ptrs_setup==true) {
+ pdsch_pdu_rel15->pduBitmap |=0x1;
+ }
+ }
+
dci_pdu_rel15_t dci_pdu_rel15[MAX_DCI_CORESET];
memset(dci_pdu_rel15, 0, sizeof(dci_pdu_rel15_t) * MAX_DCI_CORESET);
@@ -919,84 +933,6 @@ void nr_configure_pucch(nfapi_nr_pucch_pdu_t* pucch_pdu,
}
-uint16_t compute_pucch_prb_size(uint8_t format,
- uint8_t nr_prbs,
- uint16_t O_tot,
- uint16_t O_csi,
- NR_PUCCH_MaxCodeRate_t *maxCodeRate,
- uint8_t Qm,
- uint8_t n_symb,
- uint8_t n_re_ctrl) {
-
- uint16_t O_crc;
-
- if (O_tot<12)
- O_crc = 0;
- else{
- if (O_tot<20)
- O_crc = 6;
- else {
- if (O_tot<360)
- O_crc = 11;
- else
- AssertFatal(1==0,"Case for segmented PUCCH not yet implemented");
- }
- }
-
- int rtimes100;
- switch(*maxCodeRate){
- case NR_PUCCH_MaxCodeRate_zeroDot08 :
- rtimes100 = 8;
- break;
- case NR_PUCCH_MaxCodeRate_zeroDot15 :
- rtimes100 = 15;
- break;
- case NR_PUCCH_MaxCodeRate_zeroDot25 :
- rtimes100 = 25;
- break;
- case NR_PUCCH_MaxCodeRate_zeroDot35 :
- rtimes100 = 35;
- break;
- case NR_PUCCH_MaxCodeRate_zeroDot45 :
- rtimes100 = 45;
- break;
- case NR_PUCCH_MaxCodeRate_zeroDot60 :
- rtimes100 = 60;
- break;
- case NR_PUCCH_MaxCodeRate_zeroDot80 :
- rtimes100 = 80;
- break;
- default :
- AssertFatal(1==0,"Invalid MaxCodeRate");
- }
-
- float r = (float)rtimes100/100;
-
- if (O_csi == O_tot) {
- if ((O_tot+O_csi)>(nr_prbs*n_re_ctrl*n_symb*Qm*r))
- AssertFatal(1==0,"MaxCodeRate %.2f can't support %d UCI bits and %d CRC bits with %d PRBs",
- r,O_tot,O_crc,nr_prbs);
- else
- return nr_prbs;
- }
-
- if (format==2){
- // TODO fix this for multiple CSI reports
- for (int i=1; i<=nr_prbs; i++){
- if((O_tot+O_crc)<=(i*n_symb*Qm*n_re_ctrl*r) &&
- (O_tot+O_crc)>((i-1)*n_symb*Qm*n_re_ctrl*r))
- return i;
- }
- AssertFatal(1==0,"MaxCodeRate %.2f can't support %d UCI bits and %d CRC bits with at most %d PRBs",
- r,O_tot,O_crc,nr_prbs);
- }
- else{
- AssertFatal(1==0,"Not yet implemented");
- }
-
-}
-
-
void prepare_dci(NR_CellGroupConfig_t *secondaryCellGroup,
dci_pdu_rel15_t *dci_pdu_rel15,
nr_dci_format_t format,
@@ -1921,324 +1857,6 @@ void get_pdsch_to_harq_feedback(int Mod_idP,
}
-uint16_t nr_get_csi_bitlen(int Mod_idP,
- int UE_id,
- uint8_t csi_report_id) {
-
- uint16_t csi_bitlen =0;
- NR_UE_info_t *UE_info = &RC.nrmac[Mod_idP]->UE_info;
- CRI_SSBRI_RSRP_bitlen_t * CSI_report_bitlen = NULL;
-
- CSI_report_bitlen = &(UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0]);
- csi_bitlen = ((CSI_report_bitlen->cri_ssbri_bitlen * CSI_report_bitlen->nb_ssbri_cri) +
- CSI_report_bitlen->rsrp_bitlen +(CSI_report_bitlen->diff_rsrp_bitlen *
- (CSI_report_bitlen->nb_ssbri_cri -1 )) *UE_info->csi_report_template[UE_id][csi_report_id].nb_of_csi_ssb_report);
-
- return csi_bitlen;
-}
-
-
-void csi_period_offset(NR_CSI_ReportConfig_t *csirep,
- int *period, int *offset) {
-
- NR_CSI_ReportPeriodicityAndOffset_PR p_and_o = csirep->reportConfigType.choice.periodic->reportSlotConfig.present;
-
- switch(p_and_o){
- case NR_CSI_ReportPeriodicityAndOffset_PR_slots4:
- *period = 4;
- *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots4;
- break;
- case NR_CSI_ReportPeriodicityAndOffset_PR_slots5:
- *period = 5;
- *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots5;
- break;
- case NR_CSI_ReportPeriodicityAndOffset_PR_slots8:
- *period = 8;
- *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots8;
- break;
- case NR_CSI_ReportPeriodicityAndOffset_PR_slots10:
- *period = 10;
- *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots10;
- break;
- case NR_CSI_ReportPeriodicityAndOffset_PR_slots16:
- *period = 16;
- *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots16;
- break;
- case NR_CSI_ReportPeriodicityAndOffset_PR_slots20:
- *period = 20;
- *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots20;
- break;
- case NR_CSI_ReportPeriodicityAndOffset_PR_slots40:
- *period = 40;
- *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots40;
- break;
- case NR_CSI_ReportPeriodicityAndOffset_PR_slots80:
- *period = 80;
- *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots80;
- break;
- case NR_CSI_ReportPeriodicityAndOffset_PR_slots160:
- *period = 160;
- *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots160;
- break;
- case NR_CSI_ReportPeriodicityAndOffset_PR_slots320:
- *period = 320;
- *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots320;
- break;
- default:
- AssertFatal(1==0,"No periodicity and offset resource found in CSI report");
- }
-}
-
-
-//!TODO : same function can be written to handle csi_resources
-void compute_csi_bitlen (NR_CellGroupConfig_t *secondaryCellGroup, NR_UE_info_t *UE_info, int UE_id) {
- uint8_t csi_report_id = 0;
- uint8_t csi_resourceidx =0;
- uint8_t csi_ssb_idx =0;
-
- NR_CSI_MeasConfig_t *csi_MeasConfig = secondaryCellGroup->spCellConfig->spCellConfigDedicated->csi_MeasConfig->choice.setup;
- NR_CSI_ResourceConfigId_t csi_ResourceConfigId;
- for (csi_report_id=0; csi_report_id < csi_MeasConfig->csi_ReportConfigToAddModList->list.count; csi_report_id++){
- csi_ResourceConfigId=csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->resourcesForChannelMeasurement;
- UE_info->csi_report_template[UE_id][csi_report_id].reportQuantity_type = csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->reportQuantity.present;
-
- for ( csi_resourceidx = 0; csi_resourceidx < csi_MeasConfig->csi_ResourceConfigToAddModList->list.count; csi_resourceidx++) {
- if ( csi_MeasConfig->csi_ResourceConfigToAddModList->list.array[csi_resourceidx]->csi_ResourceConfigId != csi_ResourceConfigId)
- continue;
- else {
- //Finding the CSI_RS or SSB Resources
- UE_info->csi_report_template[UE_id][csi_report_id].CSI_Resource_type= csi_MeasConfig->csi_ResourceConfigToAddModList->list.array[csi_resourceidx]->csi_RS_ResourceSetList.present;
- if (NR_CSI_ResourceConfig__csi_RS_ResourceSetList_PR_nzp_CSI_RS_SSB ==UE_info->csi_report_template[UE_id][csi_report_id].CSI_Resource_type){
- struct NR_CSI_ResourceConfig__csi_RS_ResourceSetList__nzp_CSI_RS_SSB * nzp_CSI_RS_SSB = csi_MeasConfig->csi_ResourceConfigToAddModList->list.array[csi_resourceidx]->csi_RS_ResourceSetList.choice.nzp_CSI_RS_SSB;
-
- UE_info->csi_report_template[UE_id][csi_report_id].nb_of_nzp_csi_report = nzp_CSI_RS_SSB->nzp_CSI_RS_ResourceSetList!=NULL ? nzp_CSI_RS_SSB->nzp_CSI_RS_ResourceSetList->list.count:0;
- UE_info->csi_report_template[UE_id][csi_report_id].nb_of_csi_ssb_report = nzp_CSI_RS_SSB->csi_SSB_ResourceSetList!=NULL ? nzp_CSI_RS_SSB->csi_SSB_ResourceSetList->list.count:0;
- }
-
- if (0 != UE_info->csi_report_template[UE_id][csi_report_id].nb_of_csi_ssb_report){
- uint8_t nb_ssb_resources =0;
- for ( csi_ssb_idx = 0; csi_ssb_idx < csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.count; csi_ssb_idx++) {
- if (csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.array[csi_ssb_idx]->csi_SSB_ResourceSetId ==
- *(csi_MeasConfig->csi_ResourceConfigToAddModList->list.array[csi_resourceidx]->csi_RS_ResourceSetList.choice.nzp_CSI_RS_SSB->csi_SSB_ResourceSetList->list.array[0])) { ///We can configure only one SSB resource set from spec 38.331 IE CSI-ResourceConfig
- if (NR_CSI_ReportConfig__groupBasedBeamReporting_PR_disabled ==
- csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->groupBasedBeamReporting.present ) {
- if (NULL != csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->groupBasedBeamReporting.choice.disabled->nrofReportedRS)
- UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].nb_ssbri_cri = *(csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->groupBasedBeamReporting.choice.disabled->nrofReportedRS)+1;
- else
- /*! From Spec 38.331
- * nrofReportedRS
- * The number (N) of measured RS resources to be reported per report setting in a non-group-based report. N <= N_max, where N_max is either 2 or 4 depending on UE
- * capability. FFS: The signaling mechanism for the gNB to select a subset of N beams for the UE to measure and report.
- * When the field is absent the UE applies the value 1
- */
- UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].nb_ssbri_cri= 1;
- }else
- UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].nb_ssbri_cri= 2;
-
- nb_ssb_resources= csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.array[csi_ssb_idx]->csi_SSB_ResourceList.list.count;
- if (nb_ssb_resources){
- UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].cri_ssbri_bitlen =ceil(log2 (nb_ssb_resources));
- UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].rsrp_bitlen = 7; //From spec 38.212 Table 6.3.1.1.2-6: CRI, SSBRI, and RSRP
- UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].diff_rsrp_bitlen =4; //From spec 38.212 Table 6.3.1.1.2-6: CRI, SSBRI, and RSRP
- }
- else{
- UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].cri_ssbri_bitlen =0;
- UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].rsrp_bitlen = 0;
- UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].diff_rsrp_bitlen =0;
- }
-
- LOG_I (MAC, "UCI: CSI_bit len : ssbri %d, rsrp: %d, diff_rsrp: %d",
- UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].cri_ssbri_bitlen,
- UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].rsrp_bitlen,
- UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].diff_rsrp_bitlen);
- break ;
- }
- }
- }
- if (0 != UE_info->csi_report_template[UE_id][csi_report_id].nb_of_nzp_csi_report){
- AssertFatal(1==0,"Currently configuring only SSB beamreporting.");
- }
- break;
- }
- }
- }
-}
-
-void nr_csi_meas_reporting(int Mod_idP,
- int UE_id,
- frame_t frame,
- sub_frame_t slot,
- int slots_per_tdd,
- int ul_slots,
- int n_slots_frame) {
-
- NR_UE_info_t *UE_info = &RC.nrmac[Mod_idP]->UE_info;
- NR_sched_pucch *curr_pucch;
- NR_PUCCH_ResourceSet_t *pucchresset;
- NR_CSI_ReportConfig_t *csirep;
- NR_CellGroupConfig_t *secondaryCellGroup = UE_info->secondaryCellGroup[UE_id];
- NR_CSI_MeasConfig_t *csi_measconfig = secondaryCellGroup->spCellConfig->spCellConfigDedicated->csi_MeasConfig->choice.setup;
- NR_BWP_Uplink_t *ubwp=secondaryCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->uplinkBWP_ToAddModList->list.array[0];
- NR_PUCCH_Config_t *pucch_Config = ubwp->bwp_Dedicated->pucch_Config->choice.setup;
-
- AssertFatal(csi_measconfig->csi_ReportConfigToAddModList->list.count>0,"NO CSI report configuration available");
-
- for (int csi_report_id = 0; csi_report_id < csi_measconfig->csi_ReportConfigToAddModList->list.count; csi_report_id++){
-
- csirep = csi_measconfig->csi_ReportConfigToAddModList->list.array[csi_report_id];
-
- AssertFatal(csirep->reportConfigType.choice.periodic!=NULL,"Only periodic CSI reporting is implemented currently");
- int period, offset, sched_slot;
- csi_period_offset(csirep,&period,&offset);
- sched_slot = (period+offset)%n_slots_frame;
- // prepare to schedule csi measurement reception according to 5.2.1.4 in 38.214
- // preparation is done in first slot of tdd period
- if ( (frame%(period/n_slots_frame)==(offset/n_slots_frame)) && (slot==((sched_slot/slots_per_tdd)*slots_per_tdd))) {
-
- // we are scheduling pucch for csi in the first pucch occasion (this comes before ack/nack)
- curr_pucch = &UE_info->UE_sched_ctrl[UE_id].sched_pucch[sched_slot-slots_per_tdd+ul_slots][0];
-
- NR_PUCCH_CSI_Resource_t *pucchcsires = csirep->reportConfigType.choice.periodic->pucch_CSI_ResourceList.list.array[0];
-
- int found = -1;
- pucchresset = pucch_Config->resourceSetToAddModList->list.array[1]; // set with formats >1
- int n_list = pucchresset->resourceList.list.count;
- for (int i=0; iresourceList.list.array[i] == pucchcsires->pucch_Resource)
- found = i;
- }
- AssertFatal(found>-1,"CSI resource not found among PUCCH resources");
-
- curr_pucch->resource_indicator = found;
-
- n_list = pucch_Config->resourceToAddModList->list.count;
-
- // going through the list of PUCCH resources to find the one indexed by resource_id
- for (int i=0; iresourceToAddModList->list.array[i];
- if (pucchres->pucch_ResourceId == *pucchresset->resourceList.list.array[found]) {
- switch(pucchres->format.present){
- case NR_PUCCH_Resource__format_PR_format2:
- if (pucch_Config->format2->choice.setup->simultaneousHARQ_ACK_CSI == NULL)
- curr_pucch->simultaneous_harqcsi = false;
- else
- curr_pucch->simultaneous_harqcsi = true;
- break;
- case NR_PUCCH_Resource__format_PR_format3:
- if (pucch_Config->format3->choice.setup->simultaneousHARQ_ACK_CSI == NULL)
- curr_pucch->simultaneous_harqcsi = false;
- else
- curr_pucch->simultaneous_harqcsi = true;
- break;
- case NR_PUCCH_Resource__format_PR_format4:
- if (pucch_Config->format4->choice.setup->simultaneousHARQ_ACK_CSI == NULL)
- curr_pucch->simultaneous_harqcsi = false;
- else
- curr_pucch->simultaneous_harqcsi = true;
- break;
- default:
- AssertFatal(1==0,"Invalid PUCCH format type");
- }
- }
- }
- curr_pucch->csi_bits += nr_get_csi_bitlen(Mod_idP,UE_id,csi_report_id); // TODO function to compute CSI meas report bit size
- curr_pucch->frame = frame;
- curr_pucch->ul_slot = sched_slot;
- }
- }
-}
-
-
-// function to update pucch scheduling parameters in UE list when a USS DL is scheduled
-void nr_acknack_scheduling(int Mod_idP,
- int UE_id,
- frame_t frameP,
- sub_frame_t slotP,
- int slots_per_tdd,
- int *pucch_id,
- int *pucch_occ) {
-
- NR_ServingCellConfigCommon_t *scc = RC.nrmac[Mod_idP]->common_channels->ServingCellConfigCommon;
- NR_UE_info_t *UE_info = &RC.nrmac[Mod_idP]->UE_info;
- NR_sched_pucch *curr_pucch;
- int max_acknacks,pucch_res,first_ul_slot_tdd,k,i,l;
- uint8_t pdsch_to_harq_feedback[8];
- int found = 0;
- int nr_ulmix_slots = scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSlots;
- if (scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSymbols!=0)
- nr_ulmix_slots++;
-
- bool csi_pres=false;
- for (k=0; kUE_sched_ctrl[UE_id].sched_pucch[k][0].csi_bits>0)
- csi_pres=true;
- }
-
- // As a preference always schedule ack nacks in PUCCH0 (max 2 per slots)
- // Unless there is CSI meas reporting scheduled in the period to avoid conflicts in the same slot
- if (csi_pres)
- max_acknacks=10;
- else
- max_acknacks=2;
-
- // this is hardcoded for now as ue specific
- NR_SearchSpace__searchSpaceType_PR ss_type = NR_SearchSpace__searchSpaceType_PR_ue_Specific;
- get_pdsch_to_harq_feedback(Mod_idP,UE_id,ss_type,pdsch_to_harq_feedback);
-
- // for each possible ul or mixed slot
- for (k=0; kUE_sched_ctrl[UE_id].sched_pucch[k][l];
- //if it is possible to schedule acknack in current pucch (no exclusive csi pucch)
- if ((curr_pucch->csi_bits == 0) || (curr_pucch->simultaneous_harqcsi==true)) {
- // if there is free room in current pucch structure
- if (curr_pucch->dai_c-1){
- curr_pucch->resource_indicator = pucch_res;
- curr_pucch->frame = frameP;
- // first pucch occasion in first UL or MIXED slot
- first_ul_slot_tdd = scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofDownlinkSlots;
- i = 0;
- while (i<8 && found == 0) { // look if timing indicator is among allowed values
- if (pdsch_to_harq_feedback[i]==(first_ul_slot_tdd+k)-(slotP % slots_per_tdd))
- found = 1;
- if (found == 0) i++;
- }
- if (found == 1) {
- // computing slot in which pucch is scheduled
- curr_pucch->dai_c++;
- curr_pucch->ul_slot = first_ul_slot_tdd + k + (slotP - (slotP % slots_per_tdd));
- curr_pucch->timing_indicator = i; // index in the list of timing indicators
- *pucch_id = k;
- *pucch_occ = l;
- return;
- }
- }
- }
- }
- }
- }
- AssertFatal(1==0,"No Uplink slot available in accordance to allowed timing indicator\n");
-}
-
-
-int get_pucch_resource(NR_UE_info_t *UE_info,int UE_id,int k,int l) {
-
- // to be updated later, for now simple implementation
- // use the second allocation just in case there is csi in the first
- // in that case use second resource (for a different symbol) see 9.2 in 38.213
- if (l==1) {
- if (UE_info->UE_sched_ctrl[UE_id].sched_pucch[k][0].csi_bits==0)
- return -1;
- else
- return 1;
- }
- else
- return 0;
-
-}
-
void find_aggregation_candidates(uint8_t *aggregation_level,
uint8_t *nr_of_candidates,
NR_SearchSpace_t *ss) {
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
new file mode 100644
index 0000000000..909a3ea540
--- /dev/null
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
@@ -0,0 +1,588 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ * contact@openairinterface.org
+ */
+
+/*! \file gNB_scheduler_uci.c
+ * \brief MAC procedures related to UCI
+ * \date 2020
+ * \version 1.0
+ * \company Eurecom
+ */
+
+#include "LAYER2/MAC/mac.h"
+#include "NR_MAC_gNB/nr_mac_gNB.h"
+#include "NR_MAC_COMMON/nr_mac_extern.h"
+#include "NR_MAC_gNB/mac_proto.h"
+#include "common/ran_context.h"
+
+extern RAN_CONTEXT_t RC;
+
+void nr_schedule_pucch(int Mod_idP,
+ int UE_id,
+ int nr_ulmix_slots,
+ frame_t frameP,
+ sub_frame_t slotP) {
+
+ uint16_t O_csi, O_ack, O_uci;
+ uint8_t O_sr = 0; // no SR in PUCCH implemented for now
+ NR_ServingCellConfigCommon_t *scc = RC.nrmac[Mod_idP]->common_channels->ServingCellConfigCommon;
+ NR_UE_info_t *UE_info = &RC.nrmac[Mod_idP]->UE_info;
+ AssertFatal(UE_info->active[UE_id],"Cannot find UE_id %d is not active\n",UE_id);
+
+ NR_CellGroupConfig_t *secondaryCellGroup = UE_info->secondaryCellGroup[UE_id];
+ int bwp_id=1;
+ NR_BWP_Uplink_t *ubwp=secondaryCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->uplinkBWP_ToAddModList->list.array[bwp_id-1];
+ nfapi_nr_ul_tti_request_t *UL_tti_req = &RC.nrmac[Mod_idP]->UL_tti_req[0];
+
+ NR_sched_pucch *curr_pucch;
+
+ for (int k=0; kUE_sched_ctrl[UE_id].sched_pucch[k][l];
+ O_ack = curr_pucch->dai_c;
+ O_csi = curr_pucch->csi_bits;
+ O_uci = O_ack + O_csi + O_sr;
+ if ((O_uci>0) && (frameP == curr_pucch->frame) && (slotP == curr_pucch->ul_slot)) {
+ UL_tti_req->SFN = curr_pucch->frame;
+ UL_tti_req->Slot = curr_pucch->ul_slot;
+ UL_tti_req->pdus_list[UL_tti_req->n_pdus].pdu_type = NFAPI_NR_UL_CONFIG_PUCCH_PDU_TYPE;
+ UL_tti_req->pdus_list[UL_tti_req->n_pdus].pdu_size = sizeof(nfapi_nr_pucch_pdu_t);
+ nfapi_nr_pucch_pdu_t *pucch_pdu = &UL_tti_req->pdus_list[UL_tti_req->n_pdus].pucch_pdu;
+ memset(pucch_pdu,0,sizeof(nfapi_nr_pucch_pdu_t));
+ UL_tti_req->n_pdus+=1;
+
+ LOG_D(MAC,"Scheduling pucch reception for frame %d slot %d with (%d, %d, %d) (SR ACK, CSI) bits\n",
+ frameP,slotP,O_sr,O_ack,curr_pucch->csi_bits);
+
+ nr_configure_pucch(pucch_pdu,
+ scc,
+ ubwp,
+ UE_info->rnti[UE_id],
+ curr_pucch->resource_indicator,
+ O_csi,
+ O_ack,
+ O_sr);
+
+ memset((void *) &UE_info->UE_sched_ctrl[UE_id].sched_pucch[k][l],
+ 0,
+ sizeof(NR_sched_pucch));
+ }
+ }
+ }
+}
+
+
+//!TODO : same function can be written to handle csi_resources
+void compute_csi_bitlen (NR_CellGroupConfig_t *secondaryCellGroup, NR_UE_info_t *UE_info, int UE_id) {
+ uint8_t csi_report_id = 0;
+ uint8_t csi_resourceidx =0;
+ uint8_t csi_ssb_idx =0;
+
+ NR_CSI_MeasConfig_t *csi_MeasConfig = secondaryCellGroup->spCellConfig->spCellConfigDedicated->csi_MeasConfig->choice.setup;
+ NR_CSI_ResourceConfigId_t csi_ResourceConfigId;
+ for (csi_report_id=0; csi_report_id < csi_MeasConfig->csi_ReportConfigToAddModList->list.count; csi_report_id++){
+ csi_ResourceConfigId=csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->resourcesForChannelMeasurement;
+ UE_info->csi_report_template[UE_id][csi_report_id].reportQuantity_type = csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->reportQuantity.present;
+
+ for ( csi_resourceidx = 0; csi_resourceidx < csi_MeasConfig->csi_ResourceConfigToAddModList->list.count; csi_resourceidx++) {
+ if ( csi_MeasConfig->csi_ResourceConfigToAddModList->list.array[csi_resourceidx]->csi_ResourceConfigId != csi_ResourceConfigId)
+ continue;
+ else {
+ //Finding the CSI_RS or SSB Resources
+ UE_info->csi_report_template[UE_id][csi_report_id].CSI_Resource_type= csi_MeasConfig->csi_ResourceConfigToAddModList->list.array[csi_resourceidx]->csi_RS_ResourceSetList.present;
+ if (NR_CSI_ResourceConfig__csi_RS_ResourceSetList_PR_nzp_CSI_RS_SSB ==UE_info->csi_report_template[UE_id][csi_report_id].CSI_Resource_type){
+ struct NR_CSI_ResourceConfig__csi_RS_ResourceSetList__nzp_CSI_RS_SSB * nzp_CSI_RS_SSB = csi_MeasConfig->csi_ResourceConfigToAddModList->list.array[csi_resourceidx]->csi_RS_ResourceSetList.choice.nzp_CSI_RS_SSB;
+
+ UE_info->csi_report_template[UE_id][csi_report_id].nb_of_nzp_csi_report = nzp_CSI_RS_SSB->nzp_CSI_RS_ResourceSetList!=NULL ? nzp_CSI_RS_SSB->nzp_CSI_RS_ResourceSetList->list.count:0;
+ UE_info->csi_report_template[UE_id][csi_report_id].nb_of_csi_ssb_report = nzp_CSI_RS_SSB->csi_SSB_ResourceSetList!=NULL ? nzp_CSI_RS_SSB->csi_SSB_ResourceSetList->list.count:0;
+ }
+
+ if (0 != UE_info->csi_report_template[UE_id][csi_report_id].nb_of_csi_ssb_report){
+ uint8_t nb_ssb_resources =0;
+ for ( csi_ssb_idx = 0; csi_ssb_idx < csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.count; csi_ssb_idx++) {
+ if (csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.array[csi_ssb_idx]->csi_SSB_ResourceSetId ==
+ *(csi_MeasConfig->csi_ResourceConfigToAddModList->list.array[csi_resourceidx]->csi_RS_ResourceSetList.choice.nzp_CSI_RS_SSB->csi_SSB_ResourceSetList->list.array[0])) {
+ ///We can configure only one SSB resource set from spec 38.331 IE CSI-ResourceConfig
+ if (NR_CSI_ReportConfig__groupBasedBeamReporting_PR_disabled ==
+ csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->groupBasedBeamReporting.present ) {
+ if (NULL != csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->groupBasedBeamReporting.choice.disabled->nrofReportedRS)
+ UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].nb_ssbri_cri = *(csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->groupBasedBeamReporting.choice.disabled->nrofReportedRS)+1;
+ else
+ /*! From Spec 38.331
+ * nrofReportedRS
+ * The number (N) of measured RS resources to be reported per report setting in a non-group-based report. N <= N_max, where N_max is either 2 or 4 depending on UE
+ * capability. FFS: The signaling mechanism for the gNB to select a subset of N beams for the UE to measure and report.
+ * When the field is absent the UE applies the value 1
+ */
+ UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].nb_ssbri_cri= 1;
+ } else
+ UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].nb_ssbri_cri= 2;
+
+ nb_ssb_resources= csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.array[csi_ssb_idx]->csi_SSB_ResourceList.list.count;
+ if (nb_ssb_resources){
+ UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].cri_ssbri_bitlen =ceil(log2 (nb_ssb_resources));
+ UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].rsrp_bitlen = 7; //From spec 38.212 Table 6.3.1.1.2-6: CRI, SSBRI, and RSRP
+ UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].diff_rsrp_bitlen =4; //From spec 38.212 Table 6.3.1.1.2-6: CRI, SSBRI, and RSRP
+ }
+ else{
+ UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].cri_ssbri_bitlen =0;
+ UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].rsrp_bitlen = 0;
+ UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].diff_rsrp_bitlen =0;
+ }
+
+ LOG_I (MAC, "UCI: CSI_bit len : ssbri %d, rsrp: %d, diff_rsrp: %d",
+ UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].cri_ssbri_bitlen,
+ UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].rsrp_bitlen,
+ UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].diff_rsrp_bitlen);
+ break ;
+ }
+ }
+ }
+ if (0 != UE_info->csi_report_template[UE_id][csi_report_id].nb_of_nzp_csi_report)
+ AssertFatal(1==0,"Currently configuring only SSB beamreporting.");
+ break;
+ }
+ }
+ }
+}
+
+
+uint16_t nr_get_csi_bitlen(int Mod_idP,
+ int UE_id,
+ uint8_t csi_report_id) {
+
+ uint16_t csi_bitlen =0;
+ NR_UE_info_t *UE_info = &RC.nrmac[Mod_idP]->UE_info;
+ CRI_SSBRI_RSRP_bitlen_t * CSI_report_bitlen = NULL;
+
+ CSI_report_bitlen = &(UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0]);
+ csi_bitlen = ((CSI_report_bitlen->cri_ssbri_bitlen * CSI_report_bitlen->nb_ssbri_cri) +
+ CSI_report_bitlen->rsrp_bitlen +(CSI_report_bitlen->diff_rsrp_bitlen *
+ (CSI_report_bitlen->nb_ssbri_cri -1 )) *UE_info->csi_report_template[UE_id][csi_report_id].nb_of_csi_ssb_report);
+
+ return csi_bitlen;
+}
+
+
+void nr_csi_meas_reporting(int Mod_idP,
+ int UE_id,
+ frame_t frame,
+ sub_frame_t slot,
+ int slots_per_tdd,
+ int ul_slots,
+ int n_slots_frame) {
+
+ NR_UE_info_t *UE_info = &RC.nrmac[Mod_idP]->UE_info;
+ NR_sched_pucch *curr_pucch;
+ NR_PUCCH_ResourceSet_t *pucchresset;
+ NR_CSI_ReportConfig_t *csirep;
+ NR_CellGroupConfig_t *secondaryCellGroup = UE_info->secondaryCellGroup[UE_id];
+ NR_CSI_MeasConfig_t *csi_measconfig = secondaryCellGroup->spCellConfig->spCellConfigDedicated->csi_MeasConfig->choice.setup;
+ NR_BWP_Uplink_t *ubwp=secondaryCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->uplinkBWP_ToAddModList->list.array[0];
+ NR_PUCCH_Config_t *pucch_Config = ubwp->bwp_Dedicated->pucch_Config->choice.setup;
+
+ AssertFatal(csi_measconfig->csi_ReportConfigToAddModList->list.count>0,"NO CSI report configuration available");
+
+ for (int csi_report_id = 0; csi_report_id < csi_measconfig->csi_ReportConfigToAddModList->list.count; csi_report_id++){
+
+ csirep = csi_measconfig->csi_ReportConfigToAddModList->list.array[csi_report_id];
+
+ AssertFatal(csirep->reportConfigType.choice.periodic!=NULL,"Only periodic CSI reporting is implemented currently");
+ int period, offset, sched_slot;
+ csi_period_offset(csirep,&period,&offset);
+ sched_slot = (period+offset)%n_slots_frame;
+ // prepare to schedule csi measurement reception according to 5.2.1.4 in 38.214
+ // preparation is done in first slot of tdd period
+ if ( (frame%(period/n_slots_frame)==(offset/n_slots_frame)) && (slot==((sched_slot/slots_per_tdd)*slots_per_tdd))) {
+
+ // we are scheduling pucch for csi in the first pucch occasion (this comes before ack/nack)
+ curr_pucch = &UE_info->UE_sched_ctrl[UE_id].sched_pucch[sched_slot-slots_per_tdd+ul_slots][0];
+
+ NR_PUCCH_CSI_Resource_t *pucchcsires = csirep->reportConfigType.choice.periodic->pucch_CSI_ResourceList.list.array[0];
+
+ int found = -1;
+ pucchresset = pucch_Config->resourceSetToAddModList->list.array[1]; // set with formats >1
+ int n_list = pucchresset->resourceList.list.count;
+ for (int i=0; iresourceList.list.array[i] == pucchcsires->pucch_Resource)
+ found = i;
+ }
+ AssertFatal(found>-1,"CSI resource not found among PUCCH resources");
+
+ curr_pucch->resource_indicator = found;
+
+ n_list = pucch_Config->resourceToAddModList->list.count;
+
+ // going through the list of PUCCH resources to find the one indexed by resource_id
+ for (int i=0; iresourceToAddModList->list.array[i];
+ if (pucchres->pucch_ResourceId == *pucchresset->resourceList.list.array[found]) {
+ switch(pucchres->format.present){
+ case NR_PUCCH_Resource__format_PR_format2:
+ if (pucch_Config->format2->choice.setup->simultaneousHARQ_ACK_CSI == NULL)
+ curr_pucch->simultaneous_harqcsi = false;
+ else
+ curr_pucch->simultaneous_harqcsi = true;
+ break;
+ case NR_PUCCH_Resource__format_PR_format3:
+ if (pucch_Config->format3->choice.setup->simultaneousHARQ_ACK_CSI == NULL)
+ curr_pucch->simultaneous_harqcsi = false;
+ else
+ curr_pucch->simultaneous_harqcsi = true;
+ break;
+ case NR_PUCCH_Resource__format_PR_format4:
+ if (pucch_Config->format4->choice.setup->simultaneousHARQ_ACK_CSI == NULL)
+ curr_pucch->simultaneous_harqcsi = false;
+ else
+ curr_pucch->simultaneous_harqcsi = true;
+ break;
+ default:
+ AssertFatal(1==0,"Invalid PUCCH format type");
+ }
+ }
+ }
+ curr_pucch->csi_bits += nr_get_csi_bitlen(Mod_idP,UE_id,csi_report_id); // TODO function to compute CSI meas report bit size
+ curr_pucch->frame = frame;
+ curr_pucch->ul_slot = sched_slot;
+ }
+ }
+}
+
+
+void nr_rx_acknack(nfapi_nr_uci_pusch_pdu_t *uci_pusch,
+ nfapi_nr_uci_pucch_pdu_format_0_1_t *uci_01,
+ nfapi_nr_uci_pucch_pdu_format_2_3_4_t *uci_234,
+ NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl, NR_mac_stats_t *stats) {
+
+ // TODO
+ int max_harq_rounds = 4; // TODO define macro
+
+ if (uci_01 != NULL) {
+ // handle harq
+ int harq_idx_s = 0;
+
+ // iterate over received harq bits
+ for (int harq_bit = 0; harq_bit < uci_01->harq->num_harq; harq_bit++) {
+ // search for the right harq process
+ for (int harq_idx = harq_idx_s; harq_idx < NR_MAX_NB_HARQ_PROCESSES; harq_idx++) {
+ // if the gNB received ack with a good confidence
+ if ((UL_info->slot-1) == sched_ctrl->harq_processes[harq_idx].feedback_slot) {
+ sched_ctrl->harq_processes[harq_idx].feedback_slot = -1;
+ if ((uci_01->harq->harq_list[harq_bit].harq_value == 1) &&
+ (uci_01->harq->harq_confidence_level == 0)) {
+ // toggle NDI and reset round
+ sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
+ sched_ctrl->harq_processes[harq_idx].round = 0;
+ }
+ else
+ sched_ctrl->harq_processes[harq_idx].round++;
+ sched_ctrl->harq_processes[harq_idx].is_waiting = 0;
+ harq_idx_s = harq_idx + 1;
+ // if the max harq rounds was reached
+ if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
+ sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
+ sched_ctrl->harq_processes[harq_idx].round = 0;
+ stats->dlsch_errors++;
+ }
+ break;
+ }
+ // if feedback slot processing is aborted
+ else if (sched_ctrl->harq_processes[harq_idx].feedback_slot != -1
+ && (UL_info->slot-1) > sched_ctrl->harq_processes[harq_idx].feedback_slot
+ && sched_ctrl->harq_processes[harq_idx].is_waiting) {
+ sched_ctrl->harq_processes[harq_idx].feedback_slot = -1;
+ sched_ctrl->harq_processes[harq_idx].round++;
+ if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
+ sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
+ sched_ctrl->harq_processes[harq_idx].round = 0;
+ }
+ sched_ctrl->harq_processes[harq_idx].is_waiting = 0;
+ }
+ }
+ }
+ }
+
+
+ if (uci_234 != NULL) {
+ int harq_idx_s = 0;
+ int acknack;
+
+ // iterate over received harq bits
+ for (int harq_bit = 0; harq_bit < uci_234->harq.harq_bit_len; harq_bit++) {
+ acknack = ((uci_234->harq.harq_payload[harq_bit>>3])>>harq_bit)&0x01;
+ for (int harq_idx = harq_idx_s; harq_idx < NR_MAX_NB_HARQ_PROCESSES-1; harq_idx++) {
+ // if the gNB received ack with a good confidence or if the max harq rounds was reached
+ if ((UL_info->slot-1) == sched_ctrl->harq_processes[harq_idx].feedback_slot) {
+ // TODO add some confidence level for when there is no CRC
+ sched_ctrl->harq_processes[harq_idx].feedback_slot = -1;
+ if ((uci_234->harq.harq_crc != 1) && acknack) {
+ // toggle NDI and reset round
+ sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
+ sched_ctrl->harq_processes[harq_idx].round = 0;
+ }
+ else
+ sched_ctrl->harq_processes[harq_idx].round++;
+ sched_ctrl->harq_processes[harq_idx].is_waiting = 0;
+ harq_idx_s = harq_idx + 1;
+ // if the max harq rounds was reached
+ if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
+ sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
+ sched_ctrl->harq_processes[harq_idx].round = 0;
+ stats->dlsch_errors++;
+ }
+ break;
+ }
+ // if feedback slot processing is aborted
+ else if (sched_ctrl->harq_processes[harq_idx].feedback_slot != -1
+ && (UL_info->slot-1) > sched_ctrl->harq_processes[harq_idx].feedback_slot
+ && sched_ctrl->harq_processes[harq_idx].is_waiting) {
+ sched_ctrl->harq_processes[harq_idx].feedback_slot = -1;
+ sched_ctrl->harq_processes[harq_idx].round++;
+ if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
+ sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
+ sched_ctrl->harq_processes[harq_idx].round = 0;
+ }
+ sched_ctrl->harq_processes[harq_idx].is_waiting = 0;
+ }
+ }
+ }
+ }
+}
+
+
+// function to update pucch scheduling parameters in UE list when a USS DL is scheduled
+void nr_acknack_scheduling(int Mod_idP,
+ int UE_id,
+ frame_t frameP,
+ sub_frame_t slotP,
+ int slots_per_tdd,
+ int *pucch_id,
+ int *pucch_occ) {
+
+ NR_ServingCellConfigCommon_t *scc = RC.nrmac[Mod_idP]->common_channels->ServingCellConfigCommon;
+ NR_UE_info_t *UE_info = &RC.nrmac[Mod_idP]->UE_info;
+ NR_sched_pucch *curr_pucch;
+ int max_acknacks,pucch_res,first_ul_slot_tdd,k,i,l;
+ uint8_t pdsch_to_harq_feedback[8];
+ int found = 0;
+ int nr_ulmix_slots = scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSlots;
+ if (scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSymbols!=0)
+ nr_ulmix_slots++;
+
+ bool csi_pres=false;
+ for (k=0; kUE_sched_ctrl[UE_id].sched_pucch[k][0].csi_bits>0)
+ csi_pres=true;
+ }
+
+ // As a preference always schedule ack nacks in PUCCH0 (max 2 per slots)
+ // Unless there is CSI meas reporting scheduled in the period to avoid conflicts in the same slot
+ if (csi_pres)
+ max_acknacks=10;
+ else
+ max_acknacks=2;
+
+ // this is hardcoded for now as ue specific
+ NR_SearchSpace__searchSpaceType_PR ss_type = NR_SearchSpace__searchSpaceType_PR_ue_Specific;
+ get_pdsch_to_harq_feedback(Mod_idP,UE_id,ss_type,pdsch_to_harq_feedback);
+
+ // for each possible ul or mixed slot
+ for (k=0; kUE_sched_ctrl[UE_id].sched_pucch[k][l];
+ //if it is possible to schedule acknack in current pucch (no exclusive csi pucch)
+ if ((curr_pucch->csi_bits == 0) || (curr_pucch->simultaneous_harqcsi==true)) {
+ // if there is free room in current pucch structure
+ if (curr_pucch->dai_c-1){
+ curr_pucch->resource_indicator = pucch_res;
+ curr_pucch->frame = frameP;
+ // first pucch occasion in first UL or MIXED slot
+ first_ul_slot_tdd = scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofDownlinkSlots;
+ i = 0;
+ while (i<8 && found == 0) { // look if timing indicator is among allowed values
+ if (pdsch_to_harq_feedback[i]==(first_ul_slot_tdd+k)-(slotP % slots_per_tdd))
+ found = 1;
+ if (found == 0) i++;
+ }
+ if (found == 1) {
+ // computing slot in which pucch is scheduled
+ curr_pucch->dai_c++;
+ curr_pucch->ul_slot = first_ul_slot_tdd + k + (slotP - (slotP % slots_per_tdd));
+ curr_pucch->timing_indicator = i; // index in the list of timing indicators
+ *pucch_id = k;
+ *pucch_occ = l;
+ return;
+ }
+ }
+ }
+ }
+ }
+ }
+ AssertFatal(1==0,"No Uplink slot available in accordance to allowed timing indicator\n");
+}
+
+
+void csi_period_offset(NR_CSI_ReportConfig_t *csirep,
+ int *period, int *offset) {
+
+ NR_CSI_ReportPeriodicityAndOffset_PR p_and_o = csirep->reportConfigType.choice.periodic->reportSlotConfig.present;
+
+ switch(p_and_o){
+ case NR_CSI_ReportPeriodicityAndOffset_PR_slots4:
+ *period = 4;
+ *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots4;
+ break;
+ case NR_CSI_ReportPeriodicityAndOffset_PR_slots5:
+ *period = 5;
+ *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots5;
+ break;
+ case NR_CSI_ReportPeriodicityAndOffset_PR_slots8:
+ *period = 8;
+ *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots8;
+ break;
+ case NR_CSI_ReportPeriodicityAndOffset_PR_slots10:
+ *period = 10;
+ *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots10;
+ break;
+ case NR_CSI_ReportPeriodicityAndOffset_PR_slots16:
+ *period = 16;
+ *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots16;
+ break;
+ case NR_CSI_ReportPeriodicityAndOffset_PR_slots20:
+ *period = 20;
+ *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots20;
+ break;
+ case NR_CSI_ReportPeriodicityAndOffset_PR_slots40:
+ *period = 40;
+ *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots40;
+ break;
+ case NR_CSI_ReportPeriodicityAndOffset_PR_slots80:
+ *period = 80;
+ *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots80;
+ break;
+ case NR_CSI_ReportPeriodicityAndOffset_PR_slots160:
+ *period = 160;
+ *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots160;
+ break;
+ case NR_CSI_ReportPeriodicityAndOffset_PR_slots320:
+ *period = 320;
+ *offset = csirep->reportConfigType.choice.periodic->reportSlotConfig.choice.slots320;
+ break;
+ default:
+ AssertFatal(1==0,"No periodicity and offset resource found in CSI report");
+ }
+}
+
+
+int get_pucch_resource(NR_UE_info_t *UE_info,int UE_id,int k,int l) {
+
+ // to be updated later, for now simple implementation
+ // use the second allocation just in case there is csi in the first
+ // in that case use second resource (for a different symbol) see 9.2 in 38.213
+ if (l==1) {
+ if (UE_info->UE_sched_ctrl[UE_id].sched_pucch[k][0].csi_bits==0)
+ return -1;
+ else
+ return 1;
+ }
+ else
+ return 0;
+
+}
+
+
+uint16_t compute_pucch_prb_size(uint8_t format,
+ uint8_t nr_prbs,
+ uint16_t O_tot,
+ uint16_t O_csi,
+ NR_PUCCH_MaxCodeRate_t *maxCodeRate,
+ uint8_t Qm,
+ uint8_t n_symb,
+ uint8_t n_re_ctrl) {
+
+ uint16_t O_crc;
+
+ if (O_tot<12)
+ O_crc = 0;
+ else{
+ if (O_tot<20)
+ O_crc = 6;
+ else {
+ if (O_tot<360)
+ O_crc = 11;
+ else
+ AssertFatal(1==0,"Case for segmented PUCCH not yet implemented");
+ }
+ }
+
+ int rtimes100;
+ switch(*maxCodeRate){
+ case NR_PUCCH_MaxCodeRate_zeroDot08 :
+ rtimes100 = 8;
+ break;
+ case NR_PUCCH_MaxCodeRate_zeroDot15 :
+ rtimes100 = 15;
+ break;
+ case NR_PUCCH_MaxCodeRate_zeroDot25 :
+ rtimes100 = 25;
+ break;
+ case NR_PUCCH_MaxCodeRate_zeroDot35 :
+ rtimes100 = 35;
+ break;
+ case NR_PUCCH_MaxCodeRate_zeroDot45 :
+ rtimes100 = 45;
+ break;
+ case NR_PUCCH_MaxCodeRate_zeroDot60 :
+ rtimes100 = 60;
+ break;
+ case NR_PUCCH_MaxCodeRate_zeroDot80 :
+ rtimes100 = 80;
+ break;
+ default :
+ AssertFatal(1==0,"Invalid MaxCodeRate");
+ }
+
+ float r = (float)rtimes100/100;
+
+ if (O_csi == O_tot) {
+ if ((O_tot+O_csi)>(nr_prbs*n_re_ctrl*n_symb*Qm*r))
+ AssertFatal(1==0,"MaxCodeRate %.2f can't support %d UCI bits and %d CRC bits with %d PRBs",
+ r,O_tot,O_crc,nr_prbs);
+ else
+ return nr_prbs;
+ }
+
+ if (format==2){
+ // TODO fix this for multiple CSI reports
+ for (int i=1; i<=nr_prbs; i++){
+ if((O_tot+O_crc)<=(i*n_symb*Qm*n_re_ctrl*r) &&
+ (O_tot+O_crc)>((i-1)*n_symb*Qm*n_re_ctrl*r))
+ return i;
+ }
+ AssertFatal(1==0,"MaxCodeRate %.2f can't support %d UCI bits and %d CRC bits with at most %d PRBs",
+ r,O_tot,O_crc,nr_prbs);
+ }
+ else{
+ AssertFatal(1==0,"Not yet implemented");
+ }
+
+}
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
index 84ad51f072..76c9dedf30 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
@@ -291,7 +291,7 @@ void handle_nr_ul_harq(uint16_t slot, NR_UE_sched_ctrl_t *sched_ctrl, NR_mac_sta
}
return;
} else
- LOG_E(MAC,"Incorrect ULSCH HARQ process %d or invalid state %d\n",hrq_id,cur_harq->state);
+ LOG_W(MAC,"Incorrect ULSCH HARQ process %d or invalid state %d (ignore this warning for RA)\n",hrq_id,cur_harq->state);
}
/*
diff --git a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h
index b3cd91fd01..7bb08e4f04 100644
--- a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h
+++ b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h
@@ -183,6 +183,9 @@ void nr_schedule_pucch(int Mod_idP,
frame_t frameP,
sub_frame_t slotP);
+void csi_period_offset(NR_CSI_ReportConfig_t *csirep,
+ int *period, int *offset);
+
void nr_csi_meas_reporting(int Mod_idP,
int UE_id,
frame_t frameP,
diff --git a/openair2/RRC/NR/nr_rrc_proto.h b/openair2/RRC/NR/nr_rrc_proto.h
index 27118ee523..130c6a0e34 100644
--- a/openair2/RRC/NR/nr_rrc_proto.h
+++ b/openair2/RRC/NR/nr_rrc_proto.h
@@ -119,6 +119,14 @@ void *rrc_gnb_task(void *args_p);
/* Trigger RRC periodic processing. To be called once per ms. */
void nr_rrc_trigger(protocol_ctxt_t *ctxt, int CC_id, int frame, int subframe);
+/**\ Function to set or overwrite PTRS DL RRC parameters.
+ \ *bwp Pointer to dedicated RC config structure
+ \ *ptrsNrb Pointer to K_ptrs N_RB related parameters
+ \ *ptrsMcs Pointer to L_ptrs MCS related parameters
+ \ *epre_Ratio Pointer to ep_ratio
+ \ *reOffset Pointer to RE Offset Value */
+void rrc_config_dl_ptrs_params(NR_BWP_Downlink_t *bwp, int *ptrsNrb, int *ptrsMcs, int *epre_Ratio, int * reOffset);
+
uint8_t
nr_rrc_data_req(
const protocol_ctxt_t *const ctxt_pP,
@@ -133,4 +141,3 @@ nr_rrc_data_req(
int
nr_rrc_mac_remove_ue(module_id_t mod_idP,
rnti_t rntiP);
-
diff --git a/openair2/RRC/NR/rrc_gNB_internode.c b/openair2/RRC/NR/rrc_gNB_internode.c
index cacff5cf5c..3c8d75edfa 100644
--- a/openair2/RRC/NR/rrc_gNB_internode.c
+++ b/openair2/RRC/NR/rrc_gNB_internode.c
@@ -37,6 +37,7 @@
#include "NR_UE-CapabilityRAT-ContainerList.h"
#include "LTE_UE-CapabilityRAT-ContainerList.h"
#include "NR_CG-Config.h"
+#include "executables/softmodem-common.h"
int parse_CG_ConfigInfo(gNB_RRC_INST *rrc, NR_CG_ConfigInfo_t *CG_ConfigInfo, x2ap_ENDC_sgnb_addition_req_t *m) {
if (CG_ConfigInfo->criticalExtensions.present == NR_CG_ConfigInfo__criticalExtensions_PR_c1) {
@@ -95,33 +96,48 @@ int generate_CG_Config(gNB_RRC_INST *rrc,
(const char *)buffer,
(enc_rval.encoded+7)>>3);
total_size = (enc_rval.encoded+7)>>3;
- LOG_I(RRC,"Dumping NR_RRCReconfiguration message (%jd bytes)\n",(enc_rval.encoded+7)>>3);
- for (int i=0; i<(enc_rval.encoded+7)>>3; i++) {
- printf("%02x",((uint8_t *)buffer)[i]);
+ FILE *fd; // file to be generated for nr-ue
+ if (get_softmodem_params()->phy_test==1 || get_softmodem_params()->do_ra > 0) {
+ // This is for phytest only, emulate first X2 message if uecap.raw file is present
+ LOG_I(RRC,"Dumping NR_RRCReconfiguration message (%jd bytes)\n",(enc_rval.encoded+7)>>3);
+ for (int i=0; i<(enc_rval.encoded+7)>>3; i++) {
+ printf("%02x",((uint8_t *)buffer)[i]);
+ }
+ printf("\n");
+ fd = fopen("reconfig.raw","w");
+ if (fd != NULL) {
+ fwrite((void *)buffer,1,(size_t)((enc_rval.encoded+7)>>3),fd);
+ }
+ fclose(fd);
}
-
- printf("\n");
- FILE *fd = fopen("reconfig.raw","w");
- fwrite((void *)buffer,1,(size_t)((enc_rval.encoded+7)>>3),fd);
- fclose(fd);
+
enc_rval = uper_encode_to_buffer(&asn_DEF_NR_RadioBearerConfig, NULL, (void *)rbconfig, buffer, 1024);
AssertFatal (enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %jd)!\n",
- enc_rval.failed_type->name, enc_rval.encoded);
+ enc_rval.failed_type->name, enc_rval.encoded);
cg_Config->criticalExtensions.choice.c1->choice.cg_Config->scg_RB_Config = calloc(1,sizeof(OCTET_STRING_t));
+
OCTET_STRING_fromBuf(cg_Config->criticalExtensions.choice.c1->choice.cg_Config->scg_RB_Config,
- (const char *)buffer,
- (enc_rval.encoded+7)>>3);
- LOG_I(RRC,"Dumping scg_RB_Config message (%jd bytes)\n",(enc_rval.encoded+7)>>3);
+ (const char *)buffer,
+ (enc_rval.encoded+7)>>3);
- for (int i=0; i<(enc_rval.encoded+7)>>3; i++) {
- printf("%02x",((uint8_t *)buffer)[i]);
+
+
+ if (get_softmodem_params()->phy_test==1 || get_softmodem_params()->do_ra > 0) {
+
+ LOG_I(RRC,"Dumping scg_RB_Config message (%jd bytes)\n",(enc_rval.encoded+7)>>3);
+ for (int i=0; i<(enc_rval.encoded+7)>>3; i++) {
+ printf("%02x",((uint8_t *)buffer)[i]);
+ }
+
+ printf("\n");
+ fd = fopen("rbconfig.raw","w");
+ if (fd != NULL) {
+ fwrite((void *)buffer,1,(size_t)((enc_rval.encoded+7)>>3),fd);
+ }
+ fclose(fd);
}
-
- printf("\n");
- fd = fopen("rbconfig.raw","w");
- fwrite((void *)buffer,1,(size_t)((enc_rval.encoded+7)>>3),fd);
- fclose(fd);
+
total_size = total_size + ((enc_rval.encoded+7)>>3);
return(total_size);
}
diff --git a/openair2/RRC/NR/rrc_gNB_reconfig.c b/openair2/RRC/NR/rrc_gNB_reconfig.c
index 197c3f1f87..b5bcf09d47 100644
--- a/openair2/RRC/NR/rrc_gNB_reconfig.c
+++ b/openair2/RRC/NR/rrc_gNB_reconfig.c
@@ -1276,5 +1276,37 @@ void fill_default_rbconfig(NR_RadioBearerConfig_t *rbconfig) {
xer_fprint(stdout, &asn_DEF_NR_RadioBearerConfig, (const void*)rbconfig);
}
+/* Function to set or overwrite PTRS DL RRC parameters */
+void rrc_config_dl_ptrs_params(NR_BWP_Downlink_t *bwp, int *ptrsNrb, int *ptrsMcs, int *epre_Ratio, int * reOffset)
+{
+ int i=0;
+ /* check for memory allocation */
+ if(bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS == NULL) {
+ bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS=calloc(1,sizeof(*bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS));
+ bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->present = NR_SetupRelease_PTRS_DownlinkConfig_PR_setup;
+ bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup= calloc(1, sizeof(*bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup));
+ bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup->frequencyDensity = calloc(1,sizeof(*bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup->frequencyDensity));
+ bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup->timeDensity = calloc(1, sizeof(*bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup->timeDensity));
+ bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup->epre_Ratio = calloc(1,sizeof(long));
+ bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup->resourceElementOffset = calloc(1,sizeof(long));
+ /* Fill the given values */
+ for(i = 0; i < 2; i++) {
+ ASN_SEQUENCE_ADD(&bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup->frequencyDensity->list,&ptrsNrb[i]);
+ }
+ for(i = 0; i < 3; i++) {
+ ASN_SEQUENCE_ADD(&bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup->timeDensity->list,&ptrsMcs[i]);
+ }
+ }// if memory exist then over write the old values
+ else {
+ for(i = 0; i < 2; i++) {
+ *bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup->frequencyDensity->list.array[i] = ptrsNrb[i];
+ }
+ for(i = 0; i < 3; i++) {
+ *bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup->timeDensity->list.array[i] = ptrsMcs[i];
+ }
+ }
+ *bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup->epre_Ratio = *epre_Ratio;
+ *bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup->resourceElementOffset = *reOffset;
+}
#endif