diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt index 80c0408e13..669f776461 100644 --- a/cmake_targets/CMakeLists.txt +++ b/cmake_targets/CMakeLists.txt @@ -2842,6 +2842,7 @@ target_link_libraries(ldpctest add_executable(nr_dlschsim ${OPENAIR1_DIR}/SIMULATION/NR_PHY/dlschsim.c ${OPENAIR_DIR}/common/utils/nr/nr_common.c + ${OPENAIR_DIR}/executables/softmodem-common.c ${T_SOURCE} ${SHLIB_LOADER_SOURCES} ) @@ -2865,6 +2866,7 @@ target_link_libraries(nr_pbchsim add_executable(nr_pucchsim ${OPENAIR1_DIR}/SIMULATION/NR_PHY/pucchsim.c ${OPENAIR_DIR}/common/utils/nr/nr_common.c + ${OPENAIR_DIR}/executables/softmodem-common.c ${T_SOURCE} ${SHLIB_LOADER_SOURCES} ) @@ -2909,6 +2911,7 @@ target_link_libraries(nr_prachsim add_executable(nr_ulschsim ${OPENAIR1_DIR}/SIMULATION/NR_PHY/ulschsim.c ${OPENAIR_DIR}/common/utils/nr/nr_common.c + ${OPENAIR_DIR}/executables/softmodem-common.c ${PHY_INTERFACE_DIR}/queue_t.c ${T_SOURCE} ${SHLIB_LOADER_SOURCES} diff --git a/cmake_targets/autotests/test_case_list.xml b/cmake_targets/autotests/test_case_list.xml index b55228bdc9..14daa644df 100755 --- a/cmake_targets/autotests/test_case_list.xml +++ b/cmake_targets/autotests/test_case_list.xml @@ -1184,9 +1184,10 @@ execution - nr_ulschsim Test cases. (Test1: 106 PRB), - (Test2: 217 PRB), - (Test3: 273 PRB) + nr_ulschsim Test cases. (Test1: 106 PRBs), + (Test2: 217 PRBs), + (Test3: 273 PRBs) + (Test4: 106 PRBs 4-layer MIMO) $OPENAIR_DIR/cmake_targets/build_oai --phy_simulators -c @@ -1195,8 +1196,9 @@ $OPENAIR_DIR/targets/bin/nr_ulschsim.Rel15 -R 106 -m9 -s13 -n100 -R 217 -m15 -s15 -n100 - -R 273 -m19 -s20 -n100 - nr_ulschsim.test1 nr_ulschsim.test2 nr_ulschsim.test3 + -R 273 -m19 -s20 -n100 + -R 106 -m9 -s13 -n100 -y4 -z4 -W4 + nr_ulschsim.test1 nr_ulschsim.test2 nr_ulschsim.test3 nr_ulschsim.test4 PUSCH test OK segmentation fault|assertion|exiting|fatal 3 @@ -1304,7 +1306,9 @@ (Test12: SC-FDMA, 216 PRBs), (Test13: SC-FDMA, 273 PRBs), (Test14: SC-FDMA, 3 DMRS), - (Test15: MCS 16 50 PRBs 2 RX_Antenna) + (Test15: MCS 19 50 PRBs 2 RX_Antenna) + (Test16: MCS 9 106 PRBs MIMO 2 layers) + (Test17: MCS 9 106 PRBs MIMO 4 layers) $OPENAIR_DIR/cmake_targets/build_oai --phy_simulators -c @@ -1320,14 +1324,16 @@ -n100 -s5 -T 2 1 2 -U 2 0 2 -n100 -s5 -T 2 2 2 -U 2 1 2 -n100 -s5 -a4 -b8 -T 2 1 2 -U 2 1 3 - -n100 -s5 -Z + -n100 -Z -s5 -n100 -s5 -Z -r75 -n50 -s5 -Z -r216 -R217 -n50 -s5 -Z -r270 -R273 -n100 -s5 -Z -U 2 0 2 - -n100 -m16 -s10 -z2 + -n100 -m19 -s10 -S15 -z2 + -n100 -m9 -r106 -s10 -W2 -y2 -z2 + -n100 -m9 -r106 -s20 -W4 -y4 -z4 - nr_ulsim.test1 nr_ulsim.test2 nr_ulsim.test3 nr_ulsim.test4 nr_ulsim.test5 nr_ulsim.test6 nr_ulsim.test7 nr_ulsim.test8 nr_ulsim.test9 nr_ulsim.test10 nr_ulsim.test11 nr_ulsim.test12 nr_ulsim.test13 nr_ulsim.test14 nr_ulsim.test15 + nr_ulsim.test1 nr_ulsim.test2 nr_ulsim.test3 nr_ulsim.test4 nr_ulsim.test5 nr_ulsim.test6 nr_ulsim.test7 nr_ulsim.test8 nr_ulsim.test9 nr_ulsim.test10 nr_ulsim.test11 nr_ulsim.test12 nr_ulsim.test13 nr_ulsim.test14 nr_ulsim.test15 nr_ulsim.test16 nr_ulsim.test17 PUSCH test OK segmentation fault|assertion|exiting|fatal 3 diff --git a/common/utils/ocp_itti/intertask_interface.cpp b/common/utils/ocp_itti/intertask_interface.cpp index 44fae9f788..111a423dcb 100644 --- a/common/utils/ocp_itti/intertask_interface.cpp +++ b/common/utils/ocp_itti/intertask_interface.cpp @@ -450,6 +450,7 @@ extern "C" { void itti_wait_tasks_end(void) { shutting_down = false; signal(SIGTERM, catch_sigterm); + signal(SIGINT, catch_sigterm); while (! shutting_down) { sleep(24 * 3600); diff --git a/doc/UL_MIMO.txt b/doc/UL_MIMO.txt new file mode 100644 index 0000000000..c06bc78c4c --- /dev/null +++ b/doc/UL_MIMO.txt @@ -0,0 +1,31 @@ +# how to build phy sim +cd cmake_targets/ +sudo ./build_oai --phy_simulators -c + +cd phy_simulators/build/ +# ULSCH sim +# bit level validation +# PUSCH encoding and decoding for 4 layers 2 CMD without data +sudo ./nr_ulschsim -R 106 -m9 -s13 -n100 -y4 -z4 -W4 + +# UL sim +# Uplink chain validation +# PUSCH on UE side and gNB side,whole chain for PUSCH +# No channel model on data domain signal +# No cross-path connection +# PMI = 0 is only unitary prcoding matrix +sudo ./nr_ulsim -n100 -m9 -r106 -s13 -W4 -y4 -z4 + +# How to build rfsim +sudo ./build_oai -c --gNB --nrUE -w SIMU + +# How to run with rfsim +# 4x4 RANK 4 +sudo ./nr-softmodem -O ../../../targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.usrpb210.4layer.conf --rfsim --phy-test --l 2 --L 4 +sudo ./nr-uesoftmodem --rfsim --phy-test --ue-nb-ant-rx 4 --ue-nb-ant-tx 4 +# 4x4 RANK 2 +sudo ./nr-softmodem -O ../../../targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.usrpb210.4layer.conf --rfsim --phy-test --l 2 --L 2 +sudo ./nr-uesoftmodem --rfsim --phy-test --ue-nb-ant-rx 4 --ue-nb-ant-tx 4 + + + diff --git a/executables/nr-softmodem-common.h b/executables/nr-softmodem-common.h index 6e36dcf6c7..1e6c556acf 100644 --- a/executables/nr-softmodem-common.h +++ b/executables/nr-softmodem-common.h @@ -66,6 +66,7 @@ #define CONFIG_HLP_ITTIL "Generate ITTI analyzser logs (similar to wireshark logs but with more details)\n" #define CONFIG_HLP_DLMCS_PHYTEST "Set the downlink MCS for PHYTEST mode\n" #define CONFIG_HLP_DLNL_PHYTEST "Set the downlink nrOfLayers for PHYTEST mode\n" +#define CONFIG_HLP_ULNL_PHYTEST "Set the uplink nrOfLayers for PHYTEST mode\n" #define CONFIG_HLP_STMON "Enable processing timing measurement of lte softmodem on per subframe basis \n" #define CONFIG_HLP_MSLOTS "Skip the missed slots/subframes \n" #define CONFIG_HLP_ULMCS_PHYTEST "Set the uplink MCS for PHYTEST mode\n" diff --git a/executables/nr-softmodem.c b/executables/nr-softmodem.c index 1c75d9a155..54345dc6b0 100644 --- a/executables/nr-softmodem.c +++ b/executables/nr-softmodem.c @@ -839,10 +839,10 @@ int main( int argc, char **argv ) { } for (int inst = 0; inst < NB_RU; inst++) { + kill_NR_RU_proc(inst); nr_phy_free_RU(RC.ru[inst]); } - free_lte_top(); pthread_cond_destroy(&sync_cond); pthread_mutex_destroy(&sync_mutex); pthread_cond_destroy(&nfapi_sync_cond); diff --git a/executables/nr-softmodem.h b/executables/nr-softmodem.h index 834e89b403..7d2184f01b 100644 --- a/executables/nr-softmodem.h +++ b/executables/nr-softmodem.h @@ -22,6 +22,7 @@ {"E" , CONFIG_HLP_TQFS, PARAMFLAG_BOOL, i8ptr:&threequarter_fs, defintval:0, TYPE_INT8, 0}, \ {"m" , CONFIG_HLP_DLMCS_PHYTEST,0, uptr:&target_dl_mcs, defintval:0, TYPE_UINT, 0}, \ {"l" , CONFIG_HLP_DLNL_PHYTEST,0, uptr:&target_dl_Nl, defintval:0, TYPE_UINT, 0}, \ + {"L" , CONFIG_HLP_ULNL_PHYTEST,0, uptr:&target_ul_Nl, defintval:0, TYPE_UINT, 0}, \ {"t" , CONFIG_HLP_ULMCS_PHYTEST,0, uptr:&target_ul_mcs, defintval:0, TYPE_UINT, 0}, \ {"M" , CONFIG_HLP_DLBW_PHYTEST,0, uptr:&target_dl_bw, defintval:0, TYPE_UINT, 0}, \ {"T" , CONFIG_HLP_ULBW_PHYTEST,0, uptr:&target_ul_bw, defintval:0, TYPE_UINT, 0}, \ @@ -36,6 +37,7 @@ extern threads_t threads; extern uint32_t target_dl_mcs; extern uint32_t target_dl_Nl; +extern uint32_t target_ul_Nl; extern uint32_t target_ul_mcs; extern uint32_t target_dl_bw; extern uint32_t target_ul_bw; diff --git a/executables/nr-ue.c b/executables/nr-ue.c index f643344a2b..6e1864f290 100644 --- a/executables/nr-ue.c +++ b/executables/nr-ue.c @@ -613,7 +613,7 @@ void processSlotTX(void *arg) { int tx_slot_type = nr_ue_slot_select(cfg, proc->frame_tx, proc->nr_slot_tx); uint8_t gNB_id = 0; - LOG_D(PHY,"%d.%d => slot type %d\n",proc->frame_tx,proc->nr_slot_tx,tx_slot_type); + LOG_D(PHY,"processSlotTX %d.%d => slot type %d\n",proc->frame_tx,proc->nr_slot_tx,tx_slot_type); if (tx_slot_type == NR_UPLINK_SLOT || tx_slot_type == NR_MIXED_SLOT){ // trigger L2 to run ue_scheduler thru IF module @@ -713,7 +713,8 @@ void processSlotRX(void *arg) { LOG_D(PHY, "Sending Uplink data \n"); nr_ue_pusch_common_procedures(UE, proc->nr_slot_tx, - &UE->frame_parms,1); + &UE->frame_parms, + UE->frame_parms.nb_antennas_tx); } if (UE->UE_mode[gNB_id] > NOT_SYNCHED && UE->UE_mode[gNB_id] < PUSCH) { 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 b63c1b5aad..50244ad718 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 @@ -308,6 +308,7 @@ typedef struct uint8_t transform_precoding; uint16_t data_scrambling_id; uint8_t nrOfLayers; + uint8_t Tpmi; //DMRS uint16_t ul_dmrs_symb_pos; uint8_t dmrs_config_type; diff --git a/openair1/PHY/INIT/nr_init.c b/openair1/PHY/INIT/nr_init.c index e2f549f12e..87d8c2e89d 100644 --- a/openair1/PHY/INIT/nr_init.c +++ b/openair1/PHY/INIT/nr_init.c @@ -692,11 +692,19 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB, pusch_vars[ULSCH_id]->ul_ch_magb0 = (int32_t **)malloc16(n_buf*sizeof(int32_t *) ); pusch_vars[ULSCH_id]->ul_ch_mag = (int32_t **)malloc16(n_buf*sizeof(int32_t *) ); pusch_vars[ULSCH_id]->ul_ch_magb = (int32_t **)malloc16(n_buf*sizeof(int32_t *) ); - pusch_vars[ULSCH_id]->rho = (int32_t **)malloc16_clear(n_buf*sizeof(int32_t*) ); + pusch_vars[ULSCH_id]->rho = (int32_t ***)malloc16_clear(Prx*sizeof(int32_t**) ); + pusch_vars[ULSCH_id]->llr_layers = (int16_t **)malloc16(max_ul_mimo_layers*sizeof(int32_t *) ); for (i=0; irxdataF_ext[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*N_RB_UL*12*fp->symbols_per_slot ); pusch_vars[ULSCH_id]->rxdataF_ext2[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*N_RB_UL*12*fp->symbols_per_slot ); + pusch_vars[ULSCH_id]->rho[i] = (int32_t **)malloc16_clear(NR_MAX_NB_LAYERS*NR_MAX_NB_LAYERS*sizeof(int32_t*)); + + for (int j=0; j< max_ul_mimo_layers; j++) { + for (int k=0; krho[i][j*max_ul_mimo_layers+k]=(int32_t *)malloc16_clear( sizeof(int32_t) * fp->N_RB_UL*12*7*2 ); + } + } } for (i=0; iul_ch_estimates[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*fp->ofdm_symbol_size*2*fp->symbols_per_slot ); @@ -710,7 +718,10 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB, pusch_vars[ULSCH_id]->ul_ch_magb0[i] = (int32_t *)malloc16_clear( fp->symbols_per_slot*sizeof(int32_t)*N_RB_UL*12 ); pusch_vars[ULSCH_id]->ul_ch_mag[i] = (int32_t *)malloc16_clear( fp->symbols_per_slot*sizeof(int32_t)*N_RB_UL*12 ); pusch_vars[ULSCH_id]->ul_ch_magb[i] = (int32_t *)malloc16_clear( fp->symbols_per_slot*sizeof(int32_t)*N_RB_UL*12 ); - pusch_vars[ULSCH_id]->rho[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*(fp->N_RB_UL*12*7*2) ); + } + + for (i=0; i< max_ul_mimo_layers; i++) { + pusch_vars[ULSCH_id]->llr_layers[i] = (int16_t *)malloc16_clear( (8*((3*8*6144)+12))*sizeof(int16_t) ); // [hna] 6144 is LTE and (8*((3*8*6144)+12)) is not clear } pusch_vars[ULSCH_id]->llr = (int16_t *)malloc16_clear( (8*((3*8*6144)+12))*sizeof(int16_t) ); // [hna] 6144 is LTE and (8*((3*8*6144)+12)) is not clear pusch_vars[ULSCH_id]->ul_valid_re_per_slot = (int16_t *)malloc16_clear( sizeof(int16_t)*fp->symbols_per_slot); @@ -831,9 +842,16 @@ void phy_free_nr_gNB(PHY_VARS_gNB *gNB) NR_gNB_PUSCH** pusch_vars = gNB->pusch_vars; for (int ULSCH_id=0; ULSCH_idnumber_of_nr_ulsch_max; ULSCH_id++) { + for (int i=0; i< max_ul_mimo_layers; i++) + free_and_zero(pusch_vars[ULSCH_id]->llr_layers[i]); for (int i = 0; i < Prx; i++) { free_and_zero(pusch_vars[ULSCH_id]->rxdataF_ext[i]); free_and_zero(pusch_vars[ULSCH_id]->rxdataF_ext2[i]); + for (int j=0; j< max_ul_mimo_layers; j++) { + for (int k=0; krho[i][j*max_ul_mimo_layers+k]); + } + free_and_zero(pusch_vars[ULSCH_id]->rho[i]); } for (int i = 0; i < n_buf; i++) { free_and_zero(pusch_vars[ULSCH_id]->ul_ch_estimates[i]); @@ -847,8 +865,8 @@ void phy_free_nr_gNB(PHY_VARS_gNB *gNB) free_and_zero(pusch_vars[ULSCH_id]->ul_ch_magb0[i]); free_and_zero(pusch_vars[ULSCH_id]->ul_ch_mag[i]); free_and_zero(pusch_vars[ULSCH_id]->ul_ch_magb[i]); - free_and_zero(pusch_vars[ULSCH_id]->rho[i]); } + free_and_zero(pusch_vars[ULSCH_id]->llr_layers); free_and_zero(pusch_vars[ULSCH_id]->rxdataF_ext); free_and_zero(pusch_vars[ULSCH_id]->rxdataF_ext2); free_and_zero(pusch_vars[ULSCH_id]->ul_ch_estimates); diff --git a/openair1/PHY/INIT/nr_init_ru.c b/openair1/PHY/INIT/nr_init_ru.c index 07f1d3b9e3..0e7c29800a 100644 --- a/openair1/PHY/INIT/nr_init_ru.c +++ b/openair1/PHY/INIT/nr_init_ru.c @@ -41,7 +41,7 @@ int nr_phy_init_RU(RU_t *ru) { int p; int re; - LOG_I(PHY,"Initializing RU signal buffers (if_south %s) nb_tx %d\n",ru_if_types[ru->if_south],ru->nb_tx); + LOG_I(PHY,"Initializing RU signal buffers (if_south %s) nb_tx %d, nb_rx %d\n",ru_if_types[ru->if_south],ru->nb_tx, ru->nb_rx); nfapi_nr_config_request_scf_t *cfg; ru->nb_log_antennas=0; @@ -205,12 +205,11 @@ void nr_phy_free_RU(RU_t *ru) free_and_zero(ru->prach_rxsigF[j][i]); free_and_zero(ru->prach_rxsigF[j]); } - if (ru->do_precoding == 1) { for (i = 0; i < ru->num_gNB; i++) { for (p = 0; p < ru->nb_log_antennas; p++) { - for (j=0; jnb_tx; j++) free_and_zero(ru->beam_weights[i][p][j]); - free_and_zero(ru->beam_weights[i][p]); + for (j=0; jnb_tx; j++) free_and_zero(ru->beam_weights[i][p][j]); + free_and_zero(ru->beam_weights[i][p]); } } for(i=0; i< ru->nb_tx; ++i) diff --git a/openair1/PHY/INIT/nr_init_ue.c b/openair1/PHY/INIT/nr_init_ue.c index 9927085a92..238016460c 100644 --- a/openair1/PHY/INIT/nr_init_ue.c +++ b/openair1/PHY/INIT/nr_init_ue.c @@ -497,7 +497,7 @@ void term_nr_ue_transport(PHY_VARS_NR_UE *ue) for (int k = 0; k < RX_NB_TH_MAX; k++) { free_nr_ue_dlsch(&ue->dlsch[k][i][j], N_RB_DL); if (j==0) - free_nr_ue_ulsch(&ue->ulsch[k][i], N_RB_DL); + free_nr_ue_ulsch(&ue->ulsch[k][i], N_RB_DL, &ue->frame_parms); } } @@ -518,7 +518,7 @@ void init_nr_ue_transport(PHY_VARS_NR_UE *ue) { AssertFatal((ue->dlsch[k][i][j] = new_nr_ue_dlsch(1,NR_MAX_DLSCH_HARQ_PROCESSES,NSOFT,MAX_LDPC_ITERATIONS,ue->frame_parms.N_RB_DL))!=NULL,"Can't get ue dlsch structures\n"); LOG_D(PHY,"dlsch[%d][%d][%d] => %p\n",k,i,j,ue->dlsch[k][i][j]); if (j==0) { - AssertFatal((ue->ulsch[k][i] = new_nr_ue_ulsch(ue->frame_parms.N_RB_UL, NR_MAX_ULSCH_HARQ_PROCESSES))!=NULL,"Can't get ue ulsch structures\n"); + AssertFatal((ue->ulsch[k][i] = new_nr_ue_ulsch(ue->frame_parms.N_RB_UL, NR_MAX_ULSCH_HARQ_PROCESSES,&ue->frame_parms))!=NULL,"Can't get ue ulsch structures\n"); LOG_D(PHY,"ulsch[%d][%d] => %p\n",k,i,ue->ulsch[k][i]); } } diff --git a/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c b/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c index 4ff9952077..be2d03d0db 100644 --- a/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c +++ b/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c @@ -86,7 +86,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB, int pilot[3280] __attribute__((aligned(16))); unsigned char aarx; - unsigned short k; + unsigned short k0; unsigned int pilot_cnt,re_cnt; int16_t ch[2],ch_r[2],ch_l[2],*pil,*rxF,*ul_ch; int16_t *fl,*fm,*fr,*fml,*fmr,*fmm,*fdcl,*fdcr,*fdclh,*fdcrh; @@ -112,18 +112,18 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB, symbol_offset = gNB->frame_parms.ofdm_symbol_size*symbol; - k = bwp_start_subcarrier; + k0 = bwp_start_subcarrier; int re_offset; uint16_t nb_rb_pusch = pusch_pdu->rb_size; - LOG_D(PHY, "In %s: ch_offset %d, soffset %d, symbol_offset %d OFDM size %d, Ns = %d, k = %d symbol %d\n", + LOG_D(PHY, "In %s: ch_offset %d, soffset %d, symbol_offset %d, OFDM size %d, Ns = %d, k0 = %d, symbol %d\n", __FUNCTION__, ch_offset, soffset, symbol_offset, gNB->frame_parms.ofdm_symbol_size, Ns, - k, + k0, symbol); switch (nushift) { @@ -146,7 +146,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB, fr = filt8_r1; fmm = filt8_mm1; fml = filt8_ml1; - fmr = filt8_m1; + fmr = filt8_mm1; fdcl = filt8_dcl1; fdcr = filt8_dcr1; fdclh = filt8_dcl1_h; @@ -169,10 +169,8 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB, gNB->pusch_gold_init[pusch_pdu->scid] = pusch_pdu->ul_dmrs_scrambling_id; nr_gold_pusch(gNB, pusch_pdu->scid, pusch_pdu->ul_dmrs_scrambling_id); } - - // transform precoding = 1 means disabled - if (pusch_pdu->transform_precoding == 1) { - nr_pusch_dmrs_rx(gNB, Ns, gNB->nr_gold_pusch_dmrs[pusch_pdu->scid][Ns][symbol], &pilot[0], 1000, 0, nb_rb_pusch, + if (pusch_pdu->transform_precoding == transformPrecoder_disabled) { + nr_pusch_dmrs_rx(gNB, Ns, gNB->nr_gold_pusch_dmrs[pusch_pdu->scid][Ns][symbol], &pilot[0], (1000+p), 0, nb_rb_pusch, (pusch_pdu->bwp_start + pusch_pdu->rb_start)*NR_NB_SC_PER_RB, pusch_pdu->dmrs_config_type); } else { // if transform precoding or SC-FDMA is enabled in Uplink @@ -208,214 +206,82 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB, } #endif + uint8_t b_shift = pusch_pdu->nrOfLayers == 1; + for (aarx=0; aarxframe_parms.nb_antennas_rx; aarx++) { - re_offset = k; /* Initializing the Resource element offset for each Rx antenna */ - pil = (int16_t *)&pilot[0]; - rxF = (int16_t *)&rxdataF[aarx][(soffset+symbol_offset+k+nushift)]; + rxF = (int16_t *)&rxdataF[aarx][(soffset + symbol_offset + k0 + nushift)]; ul_ch = (int16_t *)&ul_ch_estimates[p*gNB->frame_parms.nb_antennas_rx+aarx][ch_offset]; - re_offset = k; + re_offset = k0; memset(ul_ch,0,4*(gNB->frame_parms.ofdm_symbol_size)); #ifdef DEBUG_PUSCH LOG_I(PHY, "In %s symbol_offset %d, nushift %d\n", __FUNCTION__, symbol_offset, nushift); LOG_I(PHY, "In %s ch est pilot addr %p, N_RB_UL %d\n", __FUNCTION__, &pilot[0], gNB->frame_parms.N_RB_UL); - LOG_I(PHY, "In %s bwp_start_subcarrier %d, k %d, first_carrier %d, nb_rb_pusch %d\n", __FUNCTION__, bwp_start_subcarrier, k, gNB->frame_parms.first_carrier_offset, nb_rb_pusch); + LOG_I(PHY, "In %s bwp_start_subcarrier %d, k0 %d, first_carrier %d, nb_rb_pusch %d\n", __FUNCTION__, bwp_start_subcarrier, k0, gNB->frame_parms.first_carrier_offset, nb_rb_pusch); LOG_I(PHY, "In %s rxF addr %p p %d\n", __FUNCTION__, rxF, p); LOG_I(PHY, "In %s ul_ch addr %p nushift %d\n", __FUNCTION__, ul_ch, nushift); #endif - //if ((gNB->frame_parms.N_RB_UL&1)==0) { - if (pusch_pdu->dmrs_config_type == pusch_dmrs_type1 && gNB->prb_interpolation == 0){ + if (pusch_pdu->dmrs_config_type == pusch_dmrs_type1 && gNB->prb_interpolation == 0) { + LOG_D(PHY,"PUSCH estimation DMRS type 1, Freq-domain interpolation"); - // Treat first 2 pilots specially (left edge) - ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); - ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); + // For configuration type 1: k = 4*n + 2*k' + delta, + // where k' is 0 or 1, and delta is in Table 6.4.1.1.3-1 from TS 38.211 + + pilot_cnt = 0; + int delta = nr_pusch_dmrs_delta(pusch_dmrs_type1, p); + + for (int n = 0; n < 3*nb_rb_pusch; n++) { + + // LS estimation + ch[0] = 0; + ch[1] = 0; + for (int k_line = 0; k_line <= 1; k_line++) { + re_offset = (k0 + (n << 2) + (k_line << 1) + delta) % gNB->frame_parms.ofdm_symbol_size; + rxF = (int16_t *) &rxdataF[aarx][(soffset + symbol_offset + re_offset)]; + ch[0] += (int16_t) (((int32_t) pil[0] * rxF[0] - (int32_t) pil[1] * rxF[1]) >> (15+b_shift)); + ch[1] += (int16_t) (((int32_t) pil[0] * rxF[1] + (int32_t) pil[1] * rxF[0]) >> (15+b_shift)); + pil += 2; + } + + // Channel interpolation + for (int k_line = 0; k_line <= 1; k_line++) { #ifdef DEBUG_PUSCH - LOG_I(PHY, "In %s ch 0 %d\n", __FUNCTION__, ((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])); - LOG_I(PHY, "In %s pilot 0 : rxF - > (%d,%d) (%d) ch -> (%d,%d) (%d), pil -> (%d,%d) \n", - __FUNCTION__, - rxF[0], - rxF[1], - dBc(rxF[0],rxF[1]), - ch[0], - ch[1], - dBc(ch[0],ch[1]), - pil[0], - pil[1]); - LOG_I(PHY, "In %s data 0 : rxF - > (%d,%d) (%d)\n", __FUNCTION__, rxF[2], rxF[3], dBc(rxF[2],rxF[3])); + re_offset = (k0 + (n << 2) + (k_line << 1)) % gNB->frame_parms.ofdm_symbol_size; + rxF = (int16_t *) &rxdataF[aarx][(soffset + symbol_offset + re_offset)]; + printf("pilot %4u: pil -> (%6d,%6d), rxF -> (%4d,%4d), ch -> (%4d,%4d)\n", + pilot_cnt, pil[0], pil[1], rxF[0], rxF[1], ch[0], ch[1]); + //printf("data %4u: rxF -> (%4d,%4d) (%2d)\n",pilot_cnt, rxF[2], rxF[3], dBc(rxF[2], rxF[3])); #endif - - multadd_real_vector_complex_scalar(fl, - ch, - ul_ch, - 8); - pil += 2; - re_offset = (re_offset+2) % gNB->frame_parms.ofdm_symbol_size; - rxF = (int16_t *)&rxdataF[aarx][(soffset+symbol_offset+nushift+re_offset)]; - //for (int i= 0; i<8; i++) - //printf("ul_ch addr %p %d\n", ul_ch+i, *(ul_ch+i)); - - ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); - ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); - -#ifdef DEBUG_PUSCH - LOG_I(PHY, "In %s pilot 1 : rxF - > (%d,%d) (%d) ch -> (%d,%d) (%d), pil -> (%d,%d) \n", - __FUNCTION__, - rxF[0], - rxF[1], - dBc(rxF[0],rxF[1]), - ch[0], - ch[1], - dBc(ch[0],ch[1]), - pil[0], - pil[1]); - LOG_I(PHY, "In %s data 1 : rxF - > (%d,%d) (%d)\n", - __FUNCTION__, - rxF[2], - rxF[3], - dBc(rxF[2],rxF[3])); -#endif - - multadd_real_vector_complex_scalar(fml, - ch, - ul_ch, - 8); - pil += 2; - re_offset = (re_offset+2) % gNB->frame_parms.ofdm_symbol_size; - rxF = (int16_t *)&rxdataF[aarx][(soffset+symbol_offset+nushift+re_offset)]; - //printf("ul_ch addr %p\n",ul_ch); - - ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); - ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); - -#ifdef DEBUG_PUSCH - LOG_I(PHY, "In %s pilot 2 : rxF - > (%d,%d) (%d) ch -> (%d,%d) (%d), pil -> (%d,%d) \n", - __FUNCTION__, - rxF[0], - rxF[1], - dBc(rxF[0],rxF[1]), - ch[0], - ch[1], - dBc(ch[0],ch[1]), - pil[0], - pil[1]); - LOG_I(PHY, "In %s data 2 : rxF - > (%d,%d) (%d)\n", - __FUNCTION__, - rxF[2], - rxF[3], - dBc(rxF[2],rxF[3])); -#endif - - multadd_real_vector_complex_scalar(fmm, - ch, - ul_ch, - 8); - - //for (int i= 0; i<16; i++) - //printf("ul_ch addr %p %d\n", ul_ch+i, *(ul_ch+i)); - - pil += 2; - re_offset = (re_offset+2) % gNB->frame_parms.ofdm_symbol_size; - rxF = (int16_t *)&rxdataF[aarx][(soffset+symbol_offset+nushift+re_offset)]; - ul_ch+=8; - - for (pilot_cnt=3; pilot_cnt<(6*nb_rb_pusch-3); pilot_cnt += 2) { - - ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); - ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); - - #ifdef DEBUG_PUSCH - printf("pilot %u : rxF - > (%d,%d) (%d) ch -> (%d,%d) (%d), pil -> (%d,%d) \n",pilot_cnt,rxF[0],rxF[1],dBc(rxF[0],rxF[1]),ch[0],ch[1],dBc(ch[0],ch[1]),pil[0],pil[1]); - printf("data %u : rxF - > (%d,%d) (%d)\n",pilot_cnt,rxF[2],rxF[3],dBc(rxF[2],rxF[3])); - #endif - multadd_real_vector_complex_scalar(fml, - ch, - ul_ch, - 8); - pil += 2; - re_offset = (re_offset+2) % gNB->frame_parms.ofdm_symbol_size; - rxF = (int16_t *)&rxdataF[aarx][(soffset+symbol_offset+nushift+re_offset)]; - //printf("ul_ch addr %p\n",ul_ch); - - ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); - ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); - - #ifdef DEBUG_PUSCH - printf("pilot %u : rxF - > (%d,%d) (%d) ch -> (%d,%d) (%d), pil -> (%d,%d) \n",pilot_cnt+1,rxF[0],rxF[1],dBc(rxF[0],rxF[1]),ch[0],ch[1],dBc(ch[0],ch[1]),pil[0],pil[1]); - printf("data %u : rxF - > (%d,%d) (%d)\n",pilot_cnt+1,rxF[2],rxF[3],dBc(rxF[2],rxF[3])); - #endif - multadd_real_vector_complex_scalar(fmm, - ch, - ul_ch, - 8); - - //for (int i= 0; i<16; i++) - //printf("ul_ch addr %p %d\n", ul_ch+i, *(ul_ch+i)); - - pil += 2; - re_offset = (re_offset+2) % gNB->frame_parms.ofdm_symbol_size; - rxF = (int16_t *)&rxdataF[aarx][soffset+(symbol_offset+nushift+re_offset)]; - ul_ch+=8; + if (pilot_cnt == 0) { + multadd_real_vector_complex_scalar(fl, ch, ul_ch, 8); + } else if (pilot_cnt == 1) { + multadd_real_vector_complex_scalar(fml, ch, ul_ch, 8); + } else if (pilot_cnt == (6*nb_rb_pusch-2)) { + multadd_real_vector_complex_scalar(fmr, ch, ul_ch, 8); + ul_ch+=8; + } else if (pilot_cnt == (6*nb_rb_pusch-1)) { + multadd_real_vector_complex_scalar(fr, ch, ul_ch, 8); + } else if (pilot_cnt%2 == 0) { + multadd_real_vector_complex_scalar(fmm, ch, ul_ch, 8); + ul_ch+=8; + } else { + multadd_real_vector_complex_scalar(fm, ch, ul_ch, 8); + } + pilot_cnt++; + } } - - // Treat first 2 pilots specially (right edge) - ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); - ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); -#ifdef DEBUG_PUSCH - printf("pilot %u : rxF - > (%d,%d) (%d) ch -> (%d,%d) (%d), pil -> (%d,%d) \n",pilot_cnt,rxF[0],rxF[1],dBc(rxF[0],rxF[1]),ch[0],ch[1],dBc(ch[0],ch[1]),pil[0],pil[1]); - printf("data %u : rxF - > (%d,%d) (%d)\n",pilot_cnt,rxF[2],rxF[3],dBc(rxF[2],rxF[3])); -#endif - multadd_real_vector_complex_scalar(fm, - ch, - ul_ch, - 8); - - //for (int i= 0; i<8; i++) - //printf("ul_ch addr %p %d\n", ul_ch+i, *(ul_ch+i)); - - pil += 2; - re_offset = (re_offset+2) % gNB->frame_parms.ofdm_symbol_size; - rxF = (int16_t *)&rxdataF[aarx][soffset+(symbol_offset+nushift+re_offset)]; - - ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); - ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); -#ifdef DEBUG_PUSCH - printf("ch 0 %d\n",((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])); - printf("pilot %u : rxF - > (%d,%d) (%d) ch -> (%d,%d) (%d), pil -> (%d,%d) \n",pilot_cnt+1,rxF[0],rxF[1],dBc(rxF[0],rxF[1]),ch[0],ch[1],dBc(ch[0],ch[1]),pil[0],pil[1]); - printf("data %u : rxF - > (%d,%d) (%d)\n",pilot_cnt+1,rxF[2],rxF[3],dBc(rxF[2],rxF[3])); -#endif - multadd_real_vector_complex_scalar(fmr, - ch, - ul_ch, - 8); - - pil += 2; - re_offset = (re_offset+2) % gNB->frame_parms.ofdm_symbol_size; - rxF = (int16_t *)&rxdataF[aarx][soffset+(symbol_offset+nushift+re_offset)]; - ul_ch+=8; - - ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); - ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); -#ifdef DEBUG_PUSCH - printf("pilot %u: rxF - > (%d,%d) (%d) ch -> (%d,%d) (%d), pil -> (%d,%d) \n",pilot_cnt+2,rxF[0],rxF[1],dBc(rxF[0],rxF[1]),ch[0],ch[1],dBc(ch[0],ch[1]),pil[0],pil[1]); - printf("data %u : rxF - > (%d,%d) (%d)\n",pilot_cnt+2,rxF[2],rxF[3],dBc(rxF[2],rxF[3])); -#endif - multadd_real_vector_complex_scalar(fr, - ch, - ul_ch, - 8); - // check if PRB crosses DC and improve estimates around DC if ((bwp_start_subcarrier < gNB->frame_parms.ofdm_symbol_size) && (bwp_start_subcarrier+nb_rb_pusch*12 >= gNB->frame_parms.ofdm_symbol_size)) { ul_ch = (int16_t *)&ul_ch_estimates[p*gNB->frame_parms.nb_antennas_rx+aarx][ch_offset]; uint16_t idxDC = 2*(gNB->frame_parms.ofdm_symbol_size - bwp_start_subcarrier); uint16_t idxPil = idxDC/2; - re_offset = k; + re_offset = k0; pil = (int16_t *)&pilot[0]; pil += (idxPil-2); ul_ch += (idxDC-4); @@ -428,10 +294,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB, // for proper allignment of SIMD vectors if((gNB->frame_parms.N_RB_UL&1)==0) { - multadd_real_vector_complex_scalar(fdcl, - ch, - ul_ch-4, - 8); + multadd_real_vector_complex_scalar(fdcl, ch, ul_ch-4, 8); pil += 4; re_offset = (re_offset+4) % gNB->frame_parms.ofdm_symbol_size; @@ -439,16 +302,11 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB, ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); - multadd_real_vector_complex_scalar(fdcr, - ch, - ul_ch-4, - 8); - } - else { - multadd_real_vector_complex_scalar(fdclh, - ch, - ul_ch, - 8); + multadd_real_vector_complex_scalar(fdcr, ch, ul_ch-4, 8); + + } else { + + multadd_real_vector_complex_scalar(fdclh, ch, ul_ch, 8); pil += 4; re_offset = (re_offset+4) % gNB->frame_parms.ofdm_symbol_size; @@ -456,19 +314,18 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB, ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); - multadd_real_vector_complex_scalar(fdcrh, - ch, - ul_ch, - 8); + multadd_real_vector_complex_scalar(fdcrh, ch, ul_ch, 8); } } + #ifdef DEBUG_PUSCH ul_ch = (int16_t *)&ul_ch_estimates[p*gNB->frame_parms.nb_antennas_rx+aarx][ch_offset]; for(uint16_t idxP=0; idxP %x\n",i,in32,out[i]); s=lte_gold_generic(&x1, &x2, 0); } //#elsif defined(__arm__) || defined(__aarch64) diff --git a/openair1/PHY/NR_TRANSPORT/nr_transport_proto.h b/openair1/PHY/NR_TRANSPORT/nr_transport_proto.h index 9b24504a14..3ee2a8ad5a 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_transport_proto.h +++ b/openair1/PHY/NR_TRANSPORT/nr_transport_proto.h @@ -136,21 +136,22 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB, @param nb_rb_pusch The number of RBs allocated (used for Resource Allocation Type 1 in NR) @param frame_parms, Pointer to frame descriptor structure */ -void nr_ulsch_extract_rbs_single(int32_t **rxdataF, - NR_gNB_PUSCH *pusch_vars, - int slot, - unsigned char symbol, - uint8_t is_dmrs_symbol, - nfapi_nr_pusch_pdu_t *pusch_pdu, - NR_DL_FRAME_PARMS *frame_parms); +void nr_ulsch_extract_rbs(int32_t **rxdataF, + NR_gNB_PUSCH *pusch_vars, + int slot, + unsigned char symbol, + uint8_t is_dmrs_symbol, + nfapi_nr_pusch_pdu_t *pusch_pdu, + NR_DL_FRAME_PARMS *frame_parms); void nr_ulsch_scale_channel(int32_t **ul_ch_estimates_ext, NR_DL_FRAME_PARMS *frame_parms, NR_gNB_ULSCH_t *ulsch_gNB, - uint8_t symbol, - uint8_t start_symbol, - uint16_t nb_rb, - pusch_dmrs_type_t pusch_dmrs_type); + uint8_t symbol, + uint8_t is_dmrs_symbol, + uint32_t len, + uint8_t nrOfLayers, + uint16_t nb_rb); /** \brief This function computes the average channel level over all allocated RBs and antennas (TX/RX) in order to compute output shift for compensated signal @param ul_ch_estimates_ext Channel estimates in allocated RBs @@ -184,9 +185,10 @@ void nr_ulsch_channel_compensation(int **rxdataF_ext, int **ul_ch_mag, int **ul_ch_magb, int **rxdataF_comp, - int **rho, + int ***rho, NR_DL_FRAME_PARMS *frame_parms, unsigned char symbol, + int length, uint8_t is_dmrs_symbol, unsigned char mod_order, uint8_t nrOfLayers, @@ -254,8 +256,8 @@ void nr_ulsch_64qam_llr(int32_t *rxdataF_comp, @param mod_order modulation order */ void nr_ulsch_compute_llr(int32_t *rxdataF_comp, - int32_t **ul_ch_mag, - int32_t **ul_ch_magb, + int32_t *ul_ch_mag, + int32_t *ul_ch_magb, int16_t *ulsch_llr, uint32_t nb_rb, uint32_t nb_re, diff --git a/openair1/PHY/NR_TRANSPORT/nr_ulsch.c b/openair1/PHY/NR_TRANSPORT/nr_ulsch.c index 3e3137739e..5c6839366c 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_ulsch.c +++ b/openair1/PHY/NR_TRANSPORT/nr_ulsch.c @@ -85,6 +85,33 @@ void nr_ulsch_unscrambling(int16_t* llr, uint32_t size, uint32_t Nid, uint32_t n nr_codeword_unscrambling(llr, size, 0, Nid, n_RNTI); } +void nr_ulsch_layer_demapping(int16_t *llr_cw, + uint8_t Nl, + uint8_t mod_order, + uint32_t length, + int16_t **llr_layers) +{ + + switch (Nl) { + case 1: + memcpy((void*)llr_cw, (void*)llr_layers[0], (length)*sizeof(int16_t)); + break; + case 2: + case 3: + case 4: + for (int i=0; i<(length/Nl/mod_order); i++) { + for (int l=0; lnumber_of_nr_ulsch_max;i++) { diff --git a/openair1/PHY/NR_TRANSPORT/nr_ulsch.h b/openair1/PHY/NR_TRANSPORT/nr_ulsch.h index 0791fd2bbc..c7229bc5d0 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_ulsch.h +++ b/openair1/PHY/NR_TRANSPORT/nr_ulsch.h @@ -71,6 +71,12 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, void nr_ulsch_unscrambling(int16_t* llr, uint32_t size, uint32_t Nid, uint32_t n_RNTI); +void nr_ulsch_layer_demapping(int16_t *llr_cw, + uint8_t Nl, + uint8_t mod_order, + uint32_t length, + int16_t **llr_layers); + void nr_ulsch_procedures(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, diff --git a/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c b/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c index b4e1034fb6..85355ec3ae 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c +++ b/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c @@ -57,8 +57,7 @@ void free_gNB_ulsch(NR_gNB_ULSCH_t **ulschptr, uint16_t N_RB_UL) { - int i,r; - uint16_t a_segments = MAX_NUM_NR_ULSCH_SEGMENTS; //number of segments to be allocated + uint16_t a_segments = MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER*NR_MAX_NB_LAYERS; //number of segments to be allocated NR_gNB_ULSCH_t *ulsch = *ulschptr; if (N_RB_UL != 273) { @@ -66,17 +65,18 @@ void free_gNB_ulsch(NR_gNB_ULSCH_t **ulschptr, uint16_t N_RB_UL) a_segments = a_segments/273 +1; } - for (i=0; iharq_processes[i]) { if (ulsch->harq_processes[i]->b) { free_and_zero(ulsch->harq_processes[i]->b); ulsch->harq_processes[i]->b = NULL; } - for (r=0; rharq_processes[i]->c[r]); free_and_zero(ulsch->harq_processes[i]->d[r]); - free_and_zero(ulsch->harq_processes[i]->w[r]); } + free_and_zero(ulsch->harq_processes[i]->c); + free_and_zero(ulsch->harq_processes[i]->d); free_and_zero(ulsch->harq_processes[i]); ulsch->harq_processes[i] = NULL; } @@ -90,7 +90,7 @@ NR_gNB_ULSCH_t *new_gNB_ulsch(uint8_t max_ldpc_iterations, uint16_t N_RB_UL) NR_gNB_ULSCH_t *ulsch; uint8_t i,r; - uint16_t a_segments = MAX_NUM_NR_ULSCH_SEGMENTS; //number of segments to be allocated + uint16_t a_segments = MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER*NR_MAX_NB_LAYERS; //number of segments to be allocated if (N_RB_UL != 273) { a_segments = a_segments*N_RB_UL; @@ -107,10 +107,11 @@ NR_gNB_ULSCH_t *new_gNB_ulsch(uint8_t max_ldpc_iterations, uint16_t N_RB_UL) ulsch->harq_processes[i] = (NR_UL_gNB_HARQ_t *)malloc16_clear(sizeof(NR_UL_gNB_HARQ_t)); ulsch->harq_processes[i]->b = (uint8_t*)malloc16_clear(ulsch_bytes); + ulsch->harq_processes[i]->c = (uint8_t**)malloc16_clear(a_segments*sizeof(uint8_t *)); + ulsch->harq_processes[i]->d = (int16_t**)malloc16_clear(a_segments*sizeof(int16_t *)); for (r=0; rharq_processes[i]->c[r] = (uint8_t*)malloc16_clear(8448*sizeof(uint8_t)); ulsch->harq_processes[i]->d[r] = (int16_t*)malloc16_clear((68*384)*sizeof(int16_t)); - ulsch->harq_processes[i]->w[r] = (int16_t*)malloc16_clear((3*(6144+64))*sizeof(int16_t)); } } @@ -168,8 +169,6 @@ void clean_gNB_ulsch(NR_gNB_ULSCH_t *ulsch) ulsch->harq_processes[i]->C=0; /// Pointers to code blocks after LDPC coding (38.212 V15.4.0 section 5.3.2) //int16_t *d[MAX_NUM_NR_ULSCH_SEGMENTS]; - /// LDPC processing buffer - //t_nrLDPC_procBuf* p_nrLDPC_procBuf[MAX_NUM_NR_ULSCH_SEGMENTS]; ulsch->harq_processes[i]->Z=0; /// code blocks after bit selection in rate matching for LDPC code (38.212 V15.4.0 section 5.4.2.1) //int16_t e[MAX_NUM_NR_ULSCH_SEGMENTS][3*8448]; @@ -259,9 +258,12 @@ void nr_processULSegment(void* arg) { //////////////////////////// ulsch_llr =====> ulsch_harq->e ////////////////////////////// + /// code blocks after bit selection in rate matching for LDPC code (38.212 V15.4.0 section 5.4.2.1) + int16_t harq_e[3*8448]; + nr_deinterleaving_ldpc(E, Qm, - ulsch_harq->e[r], + harq_e, ulsch_llr+r_offset); //for (int i =0; i<16; i++) @@ -270,16 +272,7 @@ void nr_processULSegment(void* arg) { stop_meas(&phy_vars_gNB->ulsch_deinterleaving_stats); - /*LOG_D(PHY,"HARQ_PID %d Rate Matching Segment %d (coded bits %d,unpunctured/repeated bits %d, TBS %d, mod_order %d, nb_rb %d, Nl %d, rv %d, round %d)...\n", - harq_pid,r, G, - Kr*3, - ulsch_harq->TBS, - Qm, - nb_rb, - n_layers, - pusch_pdu->pusch_data.rv_index, - ulsch_harq->round);*/ - ////////////////////////////////////////////////////////////////////////////////////////// + ////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////////////// @@ -294,7 +287,7 @@ void nr_processULSegment(void* arg) { p_decoderParms->BG, p_decoderParms->Z, ulsch_harq->d[r], - ulsch_harq->e[r], + harq_e, ulsch_harq->C, rv_index, ulsch_harq->new_rx, @@ -357,13 +350,13 @@ void nr_processULSegment(void* arg) { if (check_crc((uint8_t*)llrProcBuf,length_dec,ulsch_harq->F,crc_type)) { #ifdef PRINT_CRC_CHECK - LOG_I(PHY, "Segment %d CRC OK, iterations %d/%d\n",r,no_iteration_ldpc,max_ldpc_iterations); + LOG_I(PHY,"Segment %d CRC OK, iterations %d/%d\n",r,no_iteration_ldpc,max_ldpc_iterations); #endif rdata->decodeIterations = no_iteration_ldpc; if (rdata->decodeIterations > p_decoderParms->numMaxIter) rdata->decodeIterations--; } else { #ifdef PRINT_CRC_CHECK - LOG_I(PHY, "CRC NOK\n"); + LOG_I(PHY,"CRC NOK\n"); #endif rdata->decodeIterations = max_ldpc_iterations + 1; } @@ -449,7 +442,8 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, A = (harq_process->TBS)<<3; - LOG_D(NR_PHY, "ULSCH Decoding, harq_pid %d TBS %d G %d mcs %d Nl %d nb_rb %d, Qm %d, n_layers %d, Coderate %d\n", harq_pid, A, G, mcs, n_layers, nb_rb, Qm, n_layers, R); + LOG_D(PHY,"ULSCH Decoding, harq_pid %d TBS %d G %d mcs %d Nl %d nb_rb %d, Qm %d, Coderate %d RV %d round %d\n", + harq_pid, A, G, mcs, n_layers, nb_rb, Qm, R, pusch_pdu->pusch_data.rv_index, harq_process->round); if (R<1024) Coderate = (float) R /(float) 1024; @@ -543,7 +537,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, r_offset = 0; - uint16_t a_segments = MAX_NUM_NR_ULSCH_SEGMENTS; //number of segments to be allocated + uint16_t a_segments = MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER*n_layers; //number of segments to be allocated if (nb_rb != 273) { a_segments = a_segments*nb_rb; diff --git a/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c b/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c index 44f4dd8bfc..260bfbdfbc 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c +++ b/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c @@ -302,36 +302,32 @@ void nr_idft(int32_t *z, uint32_t Msc_PUSCH) } -void nr_ulsch_extract_rbs_single(int32_t **rxdataF, - NR_gNB_PUSCH *pusch_vars, - int slot, - unsigned char symbol, - uint8_t is_dmrs_symbol, - nfapi_nr_pusch_pdu_t *pusch_pdu, - NR_DL_FRAME_PARMS *frame_parms) -{ +void nr_ulsch_extract_rbs(int32_t **rxdataF, + NR_gNB_PUSCH *pusch_vars, + int slot, + unsigned char symbol, + uint8_t is_dmrs_symbol, + nfapi_nr_pusch_pdu_t *pusch_pdu, + NR_DL_FRAME_PARMS *frame_parms) { unsigned short start_re, re, nb_re_pusch; - unsigned char aarx; + unsigned char aarx, aatx; uint32_t rxF_ext_index = 0; uint32_t ul_ch0_ext_index = 0; uint32_t ul_ch0_index = 0; - uint8_t k_prime; - uint16_t n; int16_t *rxF,*rxF_ext; int *ul_ch0,*ul_ch0_ext; - uint8_t delta = 0; int soffset = (slot&3)*frame_parms->symbols_per_slot*frame_parms->ofdm_symbol_size; -#ifdef DEBUG_RB_EXT +#ifdef DEBUG_RB_EXT printf("--------------------symbol = %d-----------------------\n", symbol); printf("--------------------ch_ext_index = %d-----------------------\n", symbol*NR_NB_SC_PER_RB * pusch_pdu->rb_size); - #endif - uint8_t is_dmrs_re; + uint8_t is_data_re; start_re = (frame_parms->first_carrier_offset + (pusch_pdu->rb_start + pusch_pdu->bwp_start) * NR_NB_SC_PER_RB)%frame_parms->ofdm_symbol_size; nb_re_pusch = NR_NB_SC_PER_RB * pusch_pdu->rb_size; + #ifdef __AVX2__ int nb_re_pusch2 = nb_re_pusch + (nb_re_pusch&7); #else @@ -340,62 +336,64 @@ void nr_ulsch_extract_rbs_single(int32_t **rxdataF, for (aarx = 0; aarx < frame_parms->nb_antennas_rx; aarx++) { - rxF = (int16_t *)&rxdataF[aarx][soffset+(symbol * frame_parms->ofdm_symbol_size)]; - rxF_ext = (int16_t *)&pusch_vars->rxdataF_ext[aarx][symbol * nb_re_pusch2]; // [hna] rxdataF_ext isn't contiguous in order to solve an alignment problem ib llr computation in case of mod_order = 4, 6 - - ul_ch0 = &pusch_vars->ul_ch_estimates[aarx][pusch_vars->dmrs_symbol*frame_parms->ofdm_symbol_size]; // update channel estimates if new dmrs symbol are available - - ul_ch0_ext = &pusch_vars->ul_ch_estimates_ext[aarx][symbol*nb_re_pusch2]; - - n = 0; - k_prime = 0; - rxF_ext_index = 0; - ul_ch0_ext_index = 0; - ul_ch0_index = 0; - + rxF = (int16_t *)&rxdataF[aarx][soffset+(symbol * frame_parms->ofdm_symbol_size)]; + rxF_ext = (int16_t *)&pusch_vars->rxdataF_ext[aarx][symbol * nb_re_pusch2]; // [hna] rxdataF_ext isn't contiguous in order to solve an alignment problem ib llr computation in case of mod_order = 4, 6 + if (is_dmrs_symbol == 0) { - // - //rxF[ ((start_re + re)*2) % (frame_parms->ofdm_symbol_size*2)]); if (start_re + nb_re_pusch <= frame_parms->ofdm_symbol_size) { - memcpy1((void*)rxF_ext, - (void*)&rxF[start_re*2], - nb_re_pusch*sizeof(int32_t)); + memcpy1((void*)rxF_ext, (void*)&rxF[start_re*2], nb_re_pusch*sizeof(int32_t)); } else { - int neg_length = frame_parms->ofdm_symbol_size-start_re; - int pos_length = nb_re_pusch-neg_length; - - memcpy1((void*)rxF_ext,(void*)&rxF[start_re*2],neg_length*sizeof(int32_t)); - memcpy1((void*)&rxF_ext[2*neg_length],(void*)rxF,pos_length*sizeof(int32_t)); + int neg_length = frame_parms->ofdm_symbol_size-start_re; + int pos_length = nb_re_pusch-neg_length; + memcpy1((void*)rxF_ext,(void*)&rxF[start_re*2],neg_length*sizeof(int32_t)); + memcpy1((void*)&rxF_ext[2*neg_length],(void*)rxF,pos_length*sizeof(int32_t)); } - memcpy1((void*)ul_ch0_ext,(void*)ul_ch0,nb_re_pusch*sizeof(int32_t)); - } - else { - for (re = 0; re < nb_re_pusch; re++) { - is_dmrs_re = (re == get_dmrs_freq_idx_ul(n, k_prime, delta, pusch_pdu->dmrs_config_type)); + for (aatx = 0; aatx < pusch_pdu->nrOfLayers; aatx++) { + ul_ch0 = &pusch_vars->ul_ch_estimates[aatx*frame_parms->nb_antennas_rx+aarx][pusch_vars->dmrs_symbol*frame_parms->ofdm_symbol_size]; // update channel estimates if new dmrs symbol are available + ul_ch0_ext = &pusch_vars->ul_ch_estimates_ext[aatx*frame_parms->nb_antennas_rx+aarx][symbol*nb_re_pusch2]; + memcpy1((void*)ul_ch0_ext,(void*)ul_ch0,nb_re_pusch*sizeof(int32_t)); + } -#ifdef DEBUG_RB_EXT - printf("re = %d, kprime %d, n %d, is_dmrs_symbol = %d, symbol = %d\n", re, k_prime, n, is_dmrs_symbol, symbol); -#endif + } else { - /* save only data and respective channel estimates */ - if (is_dmrs_re == 0) { - rxF_ext[rxF_ext_index] = (rxF[ ((start_re + re)*2) % (frame_parms->ofdm_symbol_size*2)]); - rxF_ext[rxF_ext_index + 1] = (rxF[(((start_re + re)*2) + 1) % (frame_parms->ofdm_symbol_size*2)]); - ul_ch0_ext[ul_ch0_ext_index] = ul_ch0[ul_ch0_index]; + for (aatx = 0; aatx < pusch_pdu->nrOfLayers; aatx++) { + ul_ch0 = &pusch_vars->ul_ch_estimates[aatx*frame_parms->nb_antennas_rx+aarx][pusch_vars->dmrs_symbol*frame_parms->ofdm_symbol_size]; // update channel estimates if new dmrs symbol are available + ul_ch0_ext = &pusch_vars->ul_ch_estimates_ext[aatx*frame_parms->nb_antennas_rx+aarx][symbol*nb_re_pusch2]; -#ifdef DEBUG_RB_EXT - printf("dmrs symb %d: rxF_ext[%d] = (%d,%d), ul_ch0_ext[%d] = (%d,%d)\n", + rxF_ext_index = 0; + ul_ch0_ext_index = 0; + ul_ch0_index = 0; + for (re = 0; re < nb_re_pusch; re++) { + uint16_t k = start_re + re; + is_data_re = allowed_xlsch_re_in_dmrs_symbol(k, start_re, frame_parms->ofdm_symbol_size, pusch_pdu->num_dmrs_cdm_grps_no_data, pusch_pdu->dmrs_config_type); + if (++k >= frame_parms->ofdm_symbol_size) { + k -= frame_parms->ofdm_symbol_size; + } + + #ifdef DEBUG_RB_EXT + printf("re = %d, is_dmrs_symbol = %d, symbol = %d\n", re, is_dmrs_symbol, symbol); + #endif + + // save only data and respective channel estimates + if (is_data_re == 1) { + if (aatx == 0) { + rxF_ext[rxF_ext_index] = (rxF[ ((start_re + re)*2) % (frame_parms->ofdm_symbol_size*2)]); + rxF_ext[rxF_ext_index + 1] = (rxF[(((start_re + re)*2) + 1) % (frame_parms->ofdm_symbol_size*2)]); + rxF_ext_index +=2; + } + + ul_ch0_ext[ul_ch0_ext_index] = ul_ch0[ul_ch0_index]; + ul_ch0_ext_index++; + + #ifdef DEBUG_RB_EXT + printf("dmrs symb %d: rxF_ext[%d] = (%d,%d), ul_ch0_ext[%d] = (%d,%d)\n", is_dmrs_symbol,rxF_ext_index>>1, rxF_ext[rxF_ext_index],rxF_ext[rxF_ext_index+1], ul_ch0_ext_index, ((int16_t*)&ul_ch0_ext[ul_ch0_ext_index])[0], ((int16_t*)&ul_ch0_ext[ul_ch0_ext_index])[1]); -#endif - ul_ch0_ext_index++; - rxF_ext_index +=2; - } else { - n += k_prime; - k_prime ^= 1; + #endif + } + ul_ch0_index++; } - ul_ch0_index++; } } } @@ -406,16 +404,19 @@ void nr_ulsch_scale_channel(int **ul_ch_estimates_ext, NR_gNB_ULSCH_t *ulsch_gNB, uint8_t symbol, uint8_t is_dmrs_symbol, - unsigned short nb_rb, - pusch_dmrs_type_t pusch_dmrs_type) + uint32_t len, + uint8_t nrOfLayers, + unsigned short nb_rb) { #if defined(__x86_64__)||defined(__i386__) short rb, ch_amp; - unsigned char aarx; + unsigned char aarx,aatx; __m128i *ul_ch128, ch_amp128; + uint32_t nb_rb_0 = len/12 + ((len%12)?1:0); + // Determine scaling amplitude based the symbol ch_amp = 1024*8; //((pilots) ? (ulsch_gNB->sqrt_rho_b) : (ulsch_gNB->sqrt_rho_a)); @@ -431,35 +432,22 @@ void nr_ulsch_scale_channel(int **ul_ch_estimates_ext, int off = 0; #endif - for (aarx=0; aarx < frame_parms->nb_antennas_rx; aarx++) { - - ul_ch128 = (__m128i *)&ul_ch_estimates_ext[aarx][symbol*(off+(nb_rb*NR_NB_SC_PER_RB))]; - - if (is_dmrs_symbol==1){ - if (pusch_dmrs_type == pusch_dmrs_type1) - nb_rb = nb_rb>>1; - else - nb_rb = (2*nb_rb)/3; - } - - for (rb=0;rbnb_antennas_rx; aarx++) { + ul_ch128 = (__m128i *)&ul_ch_estimates_ext[aatx*frame_parms->nb_antennas_rx+aarx][symbol*(off+(nb_rb*NR_NB_SC_PER_RB))]; + for (rb=0;rb < nb_rb_0;rb++) { ul_ch128[0] = _mm_mulhi_epi16(ul_ch128[0], ch_amp128); ul_ch128[0] = _mm_slli_epi16(ul_ch128[0], 3); ul_ch128[1] = _mm_mulhi_epi16(ul_ch128[1], ch_amp128); ul_ch128[1] = _mm_slli_epi16(ul_ch128[1], 3); - if (is_dmrs_symbol) { - ul_ch128+=2; - } else { - ul_ch128[2] = _mm_mulhi_epi16(ul_ch128[2], ch_amp128); - ul_ch128[2] = _mm_slli_epi16(ul_ch128[2], 3); - ul_ch128+=3; - - } + ul_ch128[2] = _mm_mulhi_epi16(ul_ch128[2], ch_amp128); + ul_ch128[2] = _mm_slli_epi16(ul_ch128[2], 3); + ul_ch128+=3; } } + } #endif } @@ -481,6 +469,8 @@ void nr_ulsch_channel_level(int **ul_ch_estimates_ext, int16_t x = factor2(len); int16_t y = (len)>>x; + + uint32_t nb_rb_0 = len/12 + ((len%12)?1:0); #ifdef __AVX2__ int off = ((nb_rb&1) == 1)? 4:0; @@ -488,14 +478,14 @@ void nr_ulsch_channel_level(int **ul_ch_estimates_ext, int off = 0; #endif - for (aatx = 0; aatx < nrOfLayers; aatx++) + for (aatx = 0; aatx < nrOfLayers; aatx++) { for (aarx = 0; aarx < frame_parms->nb_antennas_rx; aarx++) { //clear average level avg128U = _mm_setzero_si128(); ul_ch128=(__m128i *)&ul_ch_estimates_ext[aatx*frame_parms->nb_antennas_rx+aarx][symbol*(off+(nb_rb*12))]; - for (rb = 0; rb < len/12; rb++) { + for (rb = 0; rb < nb_rb_0; rb++) { avg128U = _mm_add_epi32(avg128U, _mm_srai_epi32(_mm_madd_epi16(ul_ch128[0], ul_ch128[0]), x)); avg128U = _mm_add_epi32(avg128U, _mm_srai_epi32(_mm_madd_epi16(ul_ch128[1], ul_ch128[1]), x)); avg128U = _mm_add_epi32(avg128U, _mm_srai_epi32(_mm_madd_epi16(ul_ch128[2], ul_ch128[2]), x)); @@ -506,8 +496,8 @@ void nr_ulsch_channel_level(int **ul_ch_estimates_ext, ((int32_t*)&avg128U)[1] + ((int32_t*)&avg128U)[2] + ((int32_t*)&avg128U)[3]) / y; - } + } _mm_empty(); _m_empty(); @@ -520,7 +510,7 @@ void nr_ulsch_channel_level(int **ul_ch_estimates_ext, int16x4_t *ul_ch128; symbol_mod = (symbol>=(7-frame_parms->Ncp)) ? symbol-(7-frame_parms->Ncp) : symbol; - + uint32_t nb_rb_0 = len/12 + ((len%12)?1:0); for (aatx=0; aatxnb_antennas_rx; aarx++) { //clear average level @@ -529,7 +519,7 @@ void nr_ulsch_channel_level(int **ul_ch_estimates_ext, ul_ch128 = (int16x4_t *)&ul_ch_estimates_ext[aatx*frame_parms->nb_antennas_rx+aarx][symbol*frame_parms->N_RB_UL*12]; - for (rb = 0; rb < nb_rb; rb++) { + for (rb = 0; rb < nb_rb_0; rb++) { // printf("rb %d : ",rb); // print_shorts("ch",&ul_ch128[0]); avg128U = vqaddq_s32(avg128U, vmull_s16(ul_ch128[0], ul_ch128[0])); @@ -568,14 +558,20 @@ void nr_ulsch_channel_level(int **ul_ch_estimates_ext, #endif } + + +//============================================================================================== +// Pre-processing for LLR computation +//============================================================================================== void nr_ulsch_channel_compensation(int **rxdataF_ext, int **ul_ch_estimates_ext, int **ul_ch_mag, int **ul_ch_magb, int **rxdataF_comp, - int **rho, + int ***rho, NR_DL_FRAME_PARMS *frame_parms, unsigned char symbol, + int length, uint8_t is_dmrs_symbol, unsigned char mod_order, uint8_t nrOfLayers, @@ -591,22 +587,21 @@ void nr_ulsch_channel_compensation(int **rxdataF_ext, #ifdef DEBUG_CH_COMP int16_t *rxF, *ul_ch; int prnt_idx; + for (int nl=0; nlnb_antennas_rx; aarx++) { + rxF = (int16_t *) &rxdataF_ext[aarx][symbol * (off + (nb_rb * 12))]; + ul_ch = (int16_t *) &ul_ch_estimates_ext[nl * frame_parms->nb_antennas_rx + aarx][symbol * (off + (nb_rb * 12))]; - for (int ant=0; antnb_antennas_rx; ant++) { - rxF = (int16_t *)&rxdataF_ext[ant][symbol*(off+(nb_rb*12))]; - ul_ch = (int16_t *)&ul_ch_estimates_ext[ant][symbol*(off+(nb_rb*12))]; - - printf("--------------------symbol = %d, mod_order = %d, output_shift = %d-----------------------\n", symbol, mod_order, output_shift); - printf("----------------Before compensation------------------\n"); - - for (prnt_idx=0;prnt_idx<12*5*2;prnt_idx+=2){ - - printf("rxF[%d] = (%d,%d)\n", prnt_idx>>1, rxF[prnt_idx],rxF[prnt_idx+1]); - printf("ul_ch[%d] = (%d,%d)\n", prnt_idx>>1, ul_ch[prnt_idx],ul_ch[prnt_idx+1]); + printf("--------symbol = %d, mod_order = %d, output_shift = %d, layer %i, antenna rx = %d -----------\n", + symbol, mod_order, output_shift, nl, aarx); + printf("----------------Before compensation------------------\n"); + for (prnt_idx = 0; prnt_idx < 12 * 5 * 2; prnt_idx += 2) { + printf("rxF[%d] = (%d,%d)\n", prnt_idx >> 1, rxF[prnt_idx], rxF[prnt_idx + 1]); + printf("ul_ch[%d] = (%d,%d)\n", prnt_idx >> 1, ul_ch[prnt_idx], ul_ch[prnt_idx + 1]); + } } } - #endif #ifdef DEBUG_CH_MAG @@ -637,20 +632,20 @@ void nr_ulsch_channel_compensation(int **rxdataF_ext, __m128i mmtmpD0,mmtmpD1,mmtmpD2,mmtmpD3,QAM_amp128={0},QAM_amp128b={0}; QAM_amp128b = _mm_setzero_si128(); + uint32_t nb_rb_0 = length/12 + ((length%12)?1:0); for (aatx=0; aatxnb_antennas_rx; aarx++) { - + for (aarx=0; aarxnb_antennas_rx; aarx++) { ul_ch128 = (__m128i *)&ul_ch_estimates_ext[aatx*frame_parms->nb_antennas_rx+aarx][symbol*(off+(nb_rb*12))]; ul_ch_mag128 = (__m128i *)&ul_ch_mag[aatx*frame_parms->nb_antennas_rx+aarx][symbol*(off+(nb_rb*12))]; ul_ch_mag128b = (__m128i *)&ul_ch_magb[aatx*frame_parms->nb_antennas_rx+aarx][symbol*(off+(nb_rb*12))]; @@ -658,7 +653,7 @@ void nr_ulsch_channel_compensation(int **rxdataF_ext, rxdataF_comp128 = (__m128i *)&rxdataF_comp[aatx*frame_parms->nb_antennas_rx+aarx][symbol*(off+(nb_rb*12))]; - for (rb=0; rb2) { // get channel amplitude if not QPSK @@ -679,6 +674,8 @@ void nr_ulsch_channel_compensation(int **rxdataF_ext, ul_ch_mag128[0] = _mm_mulhi_epi16(ul_ch_mag128[0],QAM_amp128); ul_ch_mag128[0] = _mm_slli_epi16(ul_ch_mag128[0],1); + ul_ch_mag128b[0] = _mm_mulhi_epi16(ul_ch_mag128b[0],QAM_amp128b); + ul_ch_mag128b[0] = _mm_slli_epi16(ul_ch_mag128b[0],1); // print_ints("ch: = ",(int32_t*)&mmtmpD0); // print_shorts("QAM_amp:",(int16_t*)&QAM_amp128); // print_shorts("mag:",(int16_t*)&ul_ch_mag128[0]); @@ -687,30 +684,24 @@ void nr_ulsch_channel_compensation(int **rxdataF_ext, ul_ch_mag128b[1] = ul_ch_mag128[1]; ul_ch_mag128[1] = _mm_mulhi_epi16(ul_ch_mag128[1],QAM_amp128); ul_ch_mag128[1] = _mm_slli_epi16(ul_ch_mag128[1],1); - - if (is_dmrs_symbol==0) { - mmtmpD0 = _mm_madd_epi16(ul_ch128[2],ul_ch128[2]); - mmtmpD0 = _mm_srai_epi32(mmtmpD0,output_shift); - mmtmpD1 = _mm_packs_epi32(mmtmpD0,mmtmpD0); - - ul_ch_mag128[2] = _mm_unpacklo_epi16(mmtmpD1,mmtmpD1); - ul_ch_mag128b[2] = ul_ch_mag128[2]; - - ul_ch_mag128[2] = _mm_mulhi_epi16(ul_ch_mag128[2],QAM_amp128); - ul_ch_mag128[2] = _mm_slli_epi16(ul_ch_mag128[2],1); - } - - ul_ch_mag128b[0] = _mm_mulhi_epi16(ul_ch_mag128b[0],QAM_amp128b); - ul_ch_mag128b[0] = _mm_slli_epi16(ul_ch_mag128b[0],1); - - + ul_ch_mag128b[1] = _mm_mulhi_epi16(ul_ch_mag128b[1],QAM_amp128b); ul_ch_mag128b[1] = _mm_slli_epi16(ul_ch_mag128b[1],1); - if (is_dmrs_symbol==0) { - ul_ch_mag128b[2] = _mm_mulhi_epi16(ul_ch_mag128b[2],QAM_amp128b); - ul_ch_mag128b[2] = _mm_slli_epi16(ul_ch_mag128b[2],1); - } + mmtmpD0 = _mm_madd_epi16(ul_ch128[2],ul_ch128[2]); + mmtmpD0 = _mm_srai_epi32(mmtmpD0,output_shift); + mmtmpD1 = _mm_packs_epi32(mmtmpD0,mmtmpD0); + + ul_ch_mag128[2] = _mm_unpacklo_epi16(mmtmpD1,mmtmpD1); + ul_ch_mag128b[2] = ul_ch_mag128[2]; + + ul_ch_mag128[2] = _mm_mulhi_epi16(ul_ch_mag128[2],QAM_amp128); + ul_ch_mag128[2] = _mm_slli_epi16(ul_ch_mag128[2],1); + + + ul_ch_mag128b[2] = _mm_mulhi_epi16(ul_ch_mag128b[2],QAM_amp128b); + ul_ch_mag128b[2] = _mm_slli_epi16(ul_ch_mag128b[2],1); + } // multiply by conjugated channel @@ -755,117 +746,153 @@ void nr_ulsch_channel_compensation(int **rxdataF_ext, // print_shorts("ch:",ul_ch128+1); // print_shorts("pack:",rxdataF_comp128+1); - if (is_dmrs_symbol==0) { - // multiply by conjugated channel - mmtmpD0 = _mm_madd_epi16(ul_ch128[2],rxdataF128[2]); - // mmtmpD0 contains real part of 4 consecutive outputs (32-bit) - mmtmpD1 = _mm_shufflelo_epi16(ul_ch128[2],_MM_SHUFFLE(2,3,0,1)); - mmtmpD1 = _mm_shufflehi_epi16(mmtmpD1,_MM_SHUFFLE(2,3,0,1)); - mmtmpD1 = _mm_sign_epi16(mmtmpD1,*(__m128i*)conjugate); - mmtmpD1 = _mm_madd_epi16(mmtmpD1,rxdataF128[2]); - // mmtmpD1 contains imag part of 4 consecutive outputs (32-bit) - mmtmpD0 = _mm_srai_epi32(mmtmpD0,output_shift); - mmtmpD1 = _mm_srai_epi32(mmtmpD1,output_shift); - mmtmpD2 = _mm_unpacklo_epi32(mmtmpD0,mmtmpD1); - mmtmpD3 = _mm_unpackhi_epi32(mmtmpD0,mmtmpD1); + // multiply by conjugated channel + mmtmpD0 = _mm_madd_epi16(ul_ch128[2],rxdataF128[2]); + // mmtmpD0 contains real part of 4 consecutive outputs (32-bit) + mmtmpD1 = _mm_shufflelo_epi16(ul_ch128[2],_MM_SHUFFLE(2,3,0,1)); + mmtmpD1 = _mm_shufflehi_epi16(mmtmpD1,_MM_SHUFFLE(2,3,0,1)); + mmtmpD1 = _mm_sign_epi16(mmtmpD1,*(__m128i*)conjugate); + mmtmpD1 = _mm_madd_epi16(mmtmpD1,rxdataF128[2]); + // mmtmpD1 contains imag part of 4 consecutive outputs (32-bit) + mmtmpD0 = _mm_srai_epi32(mmtmpD0,output_shift); + mmtmpD1 = _mm_srai_epi32(mmtmpD1,output_shift); + mmtmpD2 = _mm_unpacklo_epi32(mmtmpD0,mmtmpD1); + mmtmpD3 = _mm_unpackhi_epi32(mmtmpD0,mmtmpD1); - rxdataF_comp128[2] = _mm_packs_epi32(mmtmpD2,mmtmpD3); - // print_shorts("rx:",rxdataF128+2); - // print_shorts("ch:",ul_ch128+2); - // print_shorts("pack:",rxdataF_comp128+2); - - ul_ch128+=3; - ul_ch_mag128+=3; - ul_ch_mag128b+=3; - rxdataF128+=3; - rxdataF_comp128+=3; - } else { // we have a smaller PUSCH in symbols with pilots so skip last group of 4 REs and increment less - ul_ch128+=2; - ul_ch_mag128+=2; - ul_ch_mag128b+=2; - rxdataF128+=2; - rxdataF_comp128+=2; - } + rxdataF_comp128[2] = _mm_packs_epi32(mmtmpD2,mmtmpD3); + //print_shorts("rx:",rxdataF128+2); + //print_shorts("ch:",ul_ch128+2); + //print_shorts("pack:",rxdataF_comp128+2); + ul_ch128+=3; + ul_ch_mag128+=3; + ul_ch_mag128b+=3; + rxdataF128+=3; + rxdataF_comp128+=3; } } } if (rho) { + //we compute the Tx correlation matrix for each Rx antenna + //As an example the 2x2 MIMO case requires + //rho[aarx][nb_aatx*nb_aatx] = [cov(H_aarx_0,H_aarx_0) cov(H_aarx_0,H_aarx_1) + // cov(H_aarx_1,H_aarx_0) cov(H_aarx_1,H_aarx_1)], aarx=0,...,nb_antennas_rx-1 - for (aarx=0; aarxnb_antennas_rx; aarx++) { - rho128 = (__m128i *)&rho[aarx][symbol*frame_parms->N_RB_UL*12]; - ul_ch128 = (__m128i *)&ul_ch_estimates_ext[aarx][symbol*frame_parms->N_RB_UL*12]; - ul_ch128_2 = (__m128i *)&ul_ch_estimates_ext[2+aarx][symbol*frame_parms->N_RB_UL*12]; + int avg_rho_re[frame_parms->nb_antennas_rx][nrOfLayers*nrOfLayers]; + int avg_rho_im[frame_parms->nb_antennas_rx][nrOfLayers*nrOfLayers]; - for (rb=0; rbnb_antennas_rx; aarx++) { + for (aatx=0; aatx < nrOfLayers; aatx++) { + for (int atx=0; atx< nrOfLayers; atx++) { - // mmtmpD0 contains real part of 4 consecutive outputs (32-bit) - mmtmpD1 = _mm_shufflelo_epi16(ul_ch128[0],_MM_SHUFFLE(2,3,0,1)); - mmtmpD1 = _mm_shufflehi_epi16(mmtmpD1,_MM_SHUFFLE(2,3,0,1)); - mmtmpD1 = _mm_sign_epi16(mmtmpD1,*(__m128i*)&conjugate[0]); - // print_ints("im",&mmtmpD1); - mmtmpD1 = _mm_madd_epi16(mmtmpD1,ul_ch128_2[0]); - // mmtmpD1 contains imag part of 4 consecutive outputs (32-bit) - mmtmpD0 = _mm_srai_epi32(mmtmpD0,output_shift); - // print_ints("re(shift)",&mmtmpD0); - mmtmpD1 = _mm_srai_epi32(mmtmpD1,output_shift); - // print_ints("im(shift)",&mmtmpD1); - mmtmpD2 = _mm_unpacklo_epi32(mmtmpD0,mmtmpD1); - mmtmpD3 = _mm_unpackhi_epi32(mmtmpD0,mmtmpD1); - // print_ints("c0",&mmtmpD2); - // print_ints("c1",&mmtmpD3); - rho128[0] = _mm_packs_epi32(mmtmpD2,mmtmpD3); + avg_rho_re[aarx][aatx*nrOfLayers+atx] = 0; + avg_rho_im[aarx][aatx*nrOfLayers+atx] = 0; + rho128 = (__m128i *)&rho[aarx][aatx*nrOfLayers+atx][symbol*(off+(nb_rb*12))]; + ul_ch128 = (__m128i *)&ul_ch_estimates_ext[aatx*frame_parms->nb_antennas_rx+aarx][symbol*(off+(nb_rb*12))]; + ul_ch128_2 = (__m128i *)&ul_ch_estimates_ext[atx*frame_parms->nb_antennas_rx+aarx][symbol*(off+(nb_rb*12))]; - //print_shorts("rx:",ul_ch128_2); - //print_shorts("ch:",ul_ch128); - //print_shorts("pack:",rho128); + for (rb=0; rbrx_correlation[0][0][aarx] = signal_energy(&rho[aarx][aatx*nb_aatx+atx][symbol*nb_rb*12],rb*12); + avg_rho_re[aarx][aatx*nrOfLayers+atx] = 16*avg_rho_re[aarx][aatx*nrOfLayers+atx]/(nb_rb*12); + avg_rho_im[aarx][aatx*nrOfLayers+atx] = 16*avg_rho_im[aarx][aatx*nrOfLayers+atx]/(nb_rb*12); + //printf("rho[rx]%d tx%d tx%d = Re: %d Im: %d\n",aarx, aatx,atx, avg_rho_re[aarx][aatx*nb_aatx+atx], avg_rho_im[aarx][aatx*nb_aatx+atx]); + } + } } - } } @@ -1070,19 +1097,17 @@ void nr_ulsch_channel_compensation(int **rxdataF_ext, #ifdef DEBUG_CH_COMP + for (int nl2=0; nl2nb_antennas_rx; aarx2++) { + rxF = (int16_t *)&rxdataF_comp[nl2*frame_parms->nb_antennas_rx+aarx2][(symbol*(off+(nb_rb*12)))]; - for (int ant=0; antnb_antennas_rx; ant++) { - rxF = (int16_t *)&rxdataF_comp[ant][(symbol*(off+(nb_rb*12)))]; - - printf("----------------After compansation------------------\n"); - - for (prnt_idx=0;prnt_idx<12*5*2;prnt_idx+=2){ - - printf("rxF[%d] = (%d,%d)\n", prnt_idx>>1, rxF[prnt_idx],rxF[prnt_idx+1]); + printf("--------After compansation, layer %i, antenna rx %i----------\n", nl2, aarx2); + for (prnt_idx=0;prnt_idx<12*5*2;prnt_idx+=2){ + printf("rxF[%d] = (%d,%d)\n", prnt_idx>>1, rxF[prnt_idx],rxF[prnt_idx+1]); + } } } - #endif #ifdef DEBUG_CH_MAG @@ -1105,19 +1130,23 @@ void nr_ulsch_channel_compensation(int **rxdataF_ext, } void nr_ulsch_detection_mrc(NR_DL_FRAME_PARMS *frame_parms, - int32_t **rxdataF_comp, - int32_t **ul_ch_mag, - int32_t **ul_ch_magb, - uint8_t symbol, - uint16_t nb_rb) { + int32_t **rxdataF_comp, + int32_t **ul_ch_mag, + int32_t **ul_ch_magb, + int32_t ***rho, + uint8_t nrOfLayers, + uint8_t symbol, + uint16_t nb_rb, + int length) { int n_rx = frame_parms->nb_antennas_rx; #if defined(__x86_64__) || defined(__i386__) - __m128i *rxdataF_comp128[1+n_rx],*ul_ch_mag128[1+n_rx],*ul_ch_mag128b[1+n_rx]; + __m128i *rxdataF_comp128[2],*ul_ch_mag128[2],*ul_ch_mag128b[2]; #elif defined(__arm__) int16x8_t *rxdataF_comp128_0,*ul_ch_mag128_0,*ul_ch_mag128_0b; int16x8_t *rxdataF_comp128_1,*ul_ch_mag128_1,*ul_ch_mag128_1b; #endif int32_t i; + uint32_t nb_rb_0 = length/12 + ((length%12)?1:0); #ifdef __AVX2__ int off = ((nb_rb&1) == 1)? 4:0; @@ -1125,23 +1154,30 @@ void nr_ulsch_detection_mrc(NR_DL_FRAME_PARMS *frame_parms, int off = 0; #endif - if (frame_parms->nb_antennas_rx>1) { -#if defined(__x86_64__) || defined(__i386__) - int nb_re = nb_rb*12; - for (int aa=0;aanb_antennas_rx;aa++) { - rxdataF_comp128[aa] = (__m128i *)&rxdataF_comp[aa][(symbol*(nb_re + off))]; - ul_ch_mag128[aa] = (__m128i *)&ul_ch_mag[aa][(symbol*(nb_re + off))]; - ul_ch_mag128b[aa] = (__m128i *)&ul_ch_magb[aa][(symbol*(nb_re + off))]; - } - for (int aa=1;aanb_antennas_rx;aa++) { - // MRC on each re of rb, both on MF output and magnitude (for 16QAM/64QAM llr computation) - for (i=0; i 1) { + #if defined(__x86_64__) || defined(__i386__) + for (int aatx=0; aatxnb_antennas_rx][(symbol*(nb_re + off))]; + ul_ch_mag128[0] = (__m128i *)&ul_ch_mag[aatx*frame_parms->nb_antennas_rx][(symbol*(nb_re + off))]; + ul_ch_mag128b[0] = (__m128i *)&ul_ch_magb[aatx*frame_parms->nb_antennas_rx][(symbol*(nb_re + off))]; + + for (int aa=1;aa < n_rx;aa++) { + rxdataF_comp128[1] = (__m128i *)&rxdataF_comp[aatx*frame_parms->nb_antennas_rx+aa][(symbol*(nb_re + off))]; + ul_ch_mag128[1] = (__m128i *)&ul_ch_mag[aatx*frame_parms->nb_antennas_rx+aa][(symbol*(nb_re + off))]; + ul_ch_mag128b[1] = (__m128i *)&ul_ch_magb[aatx*frame_parms->nb_antennas_rx+aa][(symbol*(nb_re + off))]; + + // MRC on each re of rb, both on MF output and magnitude (for 16QAM/64QAM llr computation) + for (i=0; iN_RB_DL*12]; rxdataF_comp128_1 = (int16x8_t *)&rxdataF_comp[1][symbol*frame_parms->N_RB_DL*12]; ul_ch_mag128_0 = (int16x8_t *)&ul_ch_mag[0][symbol*frame_parms->N_RB_DL*12]; @@ -1156,7 +1192,7 @@ void nr_ulsch_detection_mrc(NR_DL_FRAME_PARMS *frame_parms, ul_ch_mag128_0b[i] = vhaddq_s16(ul_ch_mag128_0b[i],ul_ch_mag128_1b[i]); rxdataF_comp128_0[i] = vqaddq_s16(rxdataF_comp128_0[i],(*(int16x8_t *)&jitterc[0])); } -#endif + #endif } #if defined(__x86_64__) || defined(__i386__) @@ -1165,6 +1201,696 @@ void nr_ulsch_detection_mrc(NR_DL_FRAME_PARMS *frame_parms, #endif } +/* Zero Forcing Rx function: nr_det_HhH() + * + * + * */ +void nr_ulsch_det_HhH(int32_t *after_mf_00,//a + int32_t *after_mf_01,//b + int32_t *after_mf_10,//c + int32_t *after_mf_11,//d + int32_t *det_fin,//1/ad-bc + unsigned short nb_rb, + unsigned char symbol, + int32_t shift) +{ + int16_t nr_conjug2[8]__attribute__((aligned(16))) = {1,-1,1,-1,1,-1,1,-1} ; + unsigned short rb; + __m128i *after_mf_00_128,*after_mf_01_128, *after_mf_10_128, *after_mf_11_128, ad_re_128, bc_re_128; //ad_im_128, bc_im_128; + __m128i *det_fin_128, det_re_128; //det_im_128, tmp_det0, tmp_det1; + + after_mf_00_128 = (__m128i *)after_mf_00; + after_mf_01_128 = (__m128i *)after_mf_01; + after_mf_10_128 = (__m128i *)after_mf_10; + after_mf_11_128 = (__m128i *)after_mf_11; + + det_fin_128 = (__m128i *)det_fin; + + for (rb=0; rb<3*nb_rb; rb++) { + + //complex multiplication (I_a+jQ_a)(I_d+jQ_d) = (I_aI_d - Q_aQ_d) + j(Q_aI_d + I_aQ_d) + //The imag part is often zero, we compute only the real part + ad_re_128 = _mm_sign_epi16(after_mf_00_128[0],*(__m128i*)&nr_conjug2[0]); + ad_re_128 = _mm_madd_epi16(ad_re_128,after_mf_11_128[0]); //Re: I_a0*I_d0 - Q_a1*Q_d1 + //ad_im_128 = _mm_shufflelo_epi16(after_mf_00_128[0],_MM_SHUFFLE(2,3,0,1));//permutes IQs for the low 64 bits as [I_a0 Q_a1 I_a2 Q_a3]_64bits to [Q_a1 I_a0 Q_a3 I_a2]_64bits + //ad_im_128 = _mm_shufflehi_epi16(ad_im_128,_MM_SHUFFLE(2,3,0,1));//permutes IQs for the high 64 bits as [I_a0 Q_a1 I_a2 Q_a3]_64bits to [Q_a1 I_a0 Q_a3 I_a2]_64bits + //ad_im_128 = _mm_madd_epi16(ad_im_128,after_mf_11_128[0]);//Im: (Q_aI_d + I_aQ_d) + + //complex multiplication (I_b+jQ_b)(I_c+jQ_c) = (I_bI_c - Q_bQ_c) + j(Q_bI_c + I_bQ_c) + //The imag part is often zero, we compute only the real part + bc_re_128 = _mm_sign_epi16(after_mf_01_128[0],*(__m128i*)&nr_conjug2[0]); + bc_re_128 = _mm_madd_epi16(bc_re_128,after_mf_10_128[0]); //Re: I_b0*I_c0 - Q_b1*Q_c1 + //bc_im_128 = _mm_shufflelo_epi16(after_mf_01_128[0],_MM_SHUFFLE(2,3,0,1));//permutes IQs for the low 64 bits as [I_b0 Q_b1 I_b2 Q_b3]_64bits to [Q_b1 I_b0 Q_b3 I_b2]_64bits + //bc_im_128 = _mm_shufflehi_epi16(bc_im_128,_MM_SHUFFLE(2,3,0,1));//permutes IQs for the high 64 bits as [I_b0 Q_b1 I_b2 Q_b3]_64bits to [Q_b1 I_b0 Q_b3 I_b2]_64bits + //bc_im_128 = _mm_madd_epi16(bc_im_128,after_mf_10_128[0]);//Im: (Q_bI_c + I_bQ_c) + + det_re_128 = _mm_sub_epi32(ad_re_128, bc_re_128); + //det_im_128 = _mm_sub_epi32(ad_im_128, bc_im_128); + + //det in Q30 format + det_fin_128[0] = _mm_abs_epi32(det_re_128); + + +#ifdef DEBUG_DLSCH_DEMOD + printf("\n Computing det_HhH_inv \n"); + //print_ints("det_re_128:",(int32_t*)&det_re_128); + //print_ints("det_im_128:",(int32_t*)&det_im_128); + print_ints("det_fin_128:",(int32_t*)&det_fin_128[0]); +#endif + det_fin_128+=1; + after_mf_00_128+=1; + after_mf_01_128+=1; + after_mf_10_128+=1; + after_mf_11_128+=1; + } + _mm_empty(); + _m_empty(); +} + +/* Zero Forcing Rx function: nr_inv_comp_muli + * Complex number multi: z = x*y + * = (x_re*y_re - x_im*y_im) + j(x_im*y_re + x_re*y_im) + * */ +__m128i nr_ulsch_inv_comp_muli(__m128i input_x, + __m128i input_y) +{ + int16_t nr_conjug2[8]__attribute__((aligned(16))) = {1,-1,1,-1,1,-1,1,-1} ; + + __m128i xy_re_128, xy_im_128; + __m128i output_z, tmp_z0, tmp_z1; + + // complex multiplication (x_re + jx_im)*(y_re + jy_im) = (x_re*y_re - x_im*y_im) + j(x_im*y_re + x_re*y_im) + + // the real part + xy_re_128 = _mm_sign_epi16(input_x,*(__m128i*)&nr_conjug2[0]); + xy_re_128 = _mm_madd_epi16(xy_re_128,input_y); //Re: (x_re*y_re - x_im*y_im) + + // the imag part + xy_im_128 = _mm_shufflelo_epi16(input_x,_MM_SHUFFLE(2,3,0,1));//permutes IQs for the low 64 bits as [I_a0 Q_a1 I_a2 Q_a3]_64bits to [Q_a1 I_a0 Q_a3 I_a2]_64bits + xy_im_128 = _mm_shufflehi_epi16(xy_im_128,_MM_SHUFFLE(2,3,0,1));//permutes IQs for the high 64 bits as [I_a0 Q_a1 I_a2 Q_a3]_64bits to [Q_a1 I_a0 Q_a3 I_a2]_64bits + xy_im_128 = _mm_madd_epi16(xy_im_128,input_y);//Im: (x_im*y_re + x_re*y_im) + + //convert back to Q15 before packing + xy_re_128 = _mm_srai_epi32(xy_re_128,4);//(2^15/64*2*16) + xy_im_128 = _mm_srai_epi32(xy_im_128,4); + + tmp_z0 = _mm_unpacklo_epi32(xy_re_128,xy_im_128); + //print_ints("unpack lo:",&tmp_z0[0]); + tmp_z1 = _mm_unpackhi_epi32(xy_re_128,xy_im_128); + //print_ints("unpack hi:",&tmp_z1[0]); + output_z = _mm_packs_epi32(tmp_z0,tmp_z1); + + _mm_empty(); + _m_empty(); + return(output_z); +} + +/* Zero Forcing Rx function: nr_conjch0_mult_ch1() + * + * + * */ +void nr_ulsch_conjch0_mult_ch1(int *ch0, + int *ch1, + int32_t *ch0conj_ch1, + unsigned short nb_rb, + unsigned char output_shift0) +{ + //This function is used to compute multiplications in H_hermitian * H matrix + short nr_conjugate[8]__attribute__((aligned(16))) = {-1,1,-1,1,-1,1,-1,1}; + unsigned short rb; + __m128i *dl_ch0_128,*dl_ch1_128, *ch0conj_ch1_128, mmtmpD0,mmtmpD1,mmtmpD2,mmtmpD3; + + dl_ch0_128 = (__m128i *)ch0; + dl_ch1_128 = (__m128i *)ch1; + + ch0conj_ch1_128 = (__m128i *)ch0conj_ch1; + + for (rb=0; rb<3*nb_rb; rb++) { + + mmtmpD0 = _mm_madd_epi16(dl_ch0_128[0],dl_ch1_128[0]); + mmtmpD1 = _mm_shufflelo_epi16(dl_ch0_128[0],_MM_SHUFFLE(2,3,0,1)); + mmtmpD1 = _mm_shufflehi_epi16(mmtmpD1,_MM_SHUFFLE(2,3,0,1)); + mmtmpD1 = _mm_sign_epi16(mmtmpD1,*(__m128i*)&nr_conjugate[0]); + mmtmpD1 = _mm_madd_epi16(mmtmpD1,dl_ch1_128[0]); + mmtmpD0 = _mm_srai_epi32(mmtmpD0,output_shift0); + mmtmpD1 = _mm_srai_epi32(mmtmpD1,output_shift0); + mmtmpD2 = _mm_unpacklo_epi32(mmtmpD0,mmtmpD1); + mmtmpD3 = _mm_unpackhi_epi32(mmtmpD0,mmtmpD1); + + ch0conj_ch1_128[0] = _mm_packs_epi32(mmtmpD2,mmtmpD3); + + /*printf("\n Computing conjugates \n"); + print_shorts("ch0:",(int16_t*)&dl_ch0_128[0]); + print_shorts("ch1:",(int16_t*)&dl_ch1_128[0]); + print_shorts("pack:",(int16_t*)&ch0conj_ch1_128[0]);*/ + + dl_ch0_128+=1; + dl_ch1_128+=1; + ch0conj_ch1_128+=1; + } + _mm_empty(); + _m_empty(); +} +__m128i nr_ulsch_comp_muli_sum(__m128i input_x, + __m128i input_y, + __m128i input_w, + __m128i input_z, + __m128i det) +{ + int16_t nr_conjug2[8]__attribute__((aligned(16))) = {1,-1,1,-1,1,-1,1,-1} ; + + __m128i xy_re_128, xy_im_128, wz_re_128, wz_im_128; + __m128i output, tmp_z0, tmp_z1; + + // complex multiplication (x_re + jx_im)*(y_re + jy_im) = (x_re*y_re - x_im*y_im) + j(x_im*y_re + x_re*y_im) + // the real part + xy_re_128 = _mm_sign_epi16(input_x,*(__m128i*)&nr_conjug2[0]); + xy_re_128 = _mm_madd_epi16(xy_re_128,input_y); //Re: (x_re*y_re - x_im*y_im) + + // the imag part + xy_im_128 = _mm_shufflelo_epi16(input_x,_MM_SHUFFLE(2,3,0,1));//permutes IQs for the low 64 bits as [I_a0 Q_a1 I_a2 Q_a3]_64bits to [Q_a1 I_a0 Q_a3 I_a2]_64bits + xy_im_128 = _mm_shufflehi_epi16(xy_im_128,_MM_SHUFFLE(2,3,0,1));//permutes IQs for the high 64 bits as [I_a0 Q_a1 I_a2 Q_a3]_64bits to [Q_a1 I_a0 Q_a3 I_a2]_64bits + xy_im_128 = _mm_madd_epi16(xy_im_128,input_y);//Im: (x_im*y_re + x_re*y_im) + + // complex multiplication (w_re + jw_im)*(z_re + jz_im) = (w_re*z_re - w_im*z_im) + j(w_im*z_re + w_re*z_im) + // the real part + wz_re_128 = _mm_sign_epi16(input_w,*(__m128i*)&nr_conjug2[0]); + wz_re_128 = _mm_madd_epi16(wz_re_128,input_z); //Re: (w_re*z_re - w_im*z_im) + + // the imag part + wz_im_128 = _mm_shufflelo_epi16(input_w,_MM_SHUFFLE(2,3,0,1));//permutes IQs for the low 64 bits as [I_a0 Q_a1 I_a2 Q_a3]_64bits to [Q_a1 I_a0 Q_a3 I_a2]_64bits + wz_im_128 = _mm_shufflehi_epi16(wz_im_128,_MM_SHUFFLE(2,3,0,1));//permutes IQs for the high 64 bits as [I_a0 Q_a1 I_a2 Q_a3]_64bits to [Q_a1 I_a0 Q_a3 I_a2]_64bits + wz_im_128 = _mm_madd_epi16(wz_im_128,input_z);//Im: (w_im*z_re + w_re*z_im) + + + xy_re_128 = _mm_sub_epi32(xy_re_128, wz_re_128); + xy_im_128 = _mm_sub_epi32(xy_im_128, wz_im_128); + //print_ints("rx_re:",(int32_t*)&xy_re_128[0]); + //print_ints("rx_Img:",(int32_t*)&xy_im_128[0]); + //divide by matrix det and convert back to Q15 before packing + int sum_det =0; + for (int k=0; k<4;k++) { + sum_det += ((((int *)&det[0])[k])>>2); + //printf("det_%d = %d log2 =%d \n",k,(((int *)&det[0])[k]),log2_approx(((int *)&det[0])[k])); + } + + xy_re_128 = _mm_slli_epi32(xy_re_128,5); + xy_re_128 = _mm_srai_epi32(xy_re_128,log2_approx(sum_det)); + xy_re_128 = _mm_slli_epi32(xy_re_128,5); + + xy_im_128 = _mm_slli_epi32(xy_im_128,5); + xy_im_128 = _mm_srai_epi32(xy_im_128,log2_approx(sum_det)); + xy_im_128 = _mm_slli_epi32(xy_im_128,5); + + tmp_z0 = _mm_unpacklo_epi32(xy_re_128,xy_im_128); + //print_ints("unpack lo:",&tmp_z0[0]); + tmp_z1 = _mm_unpackhi_epi32(xy_re_128,xy_im_128); + //print_ints("unpack hi:",&tmp_z1[0]); + output = _mm_packs_epi32(tmp_z0,tmp_z1); + + _mm_empty(); + _m_empty(); + return(output); +} +/* Zero Forcing Rx function: nr_construct_HhH_elements() + * + * + * */ +void nr_ulsch_construct_HhH_elements(int *conjch00_ch00, + int *conjch01_ch01, + int *conjch11_ch11, + int *conjch10_ch10,// + int *conjch20_ch20, + int *conjch21_ch21, + int *conjch30_ch30, + int *conjch31_ch31, + int *conjch00_ch01,//00_01 + int *conjch01_ch00,//01_00 + int *conjch10_ch11,//10_11 + int *conjch11_ch10,//11_10 + int *conjch20_ch21, + int *conjch21_ch20, + int *conjch30_ch31, + int *conjch31_ch30, + int32_t *after_mf_00, + int32_t *after_mf_01, + int32_t *after_mf_10, + int32_t *after_mf_11, + unsigned short nb_rb, + unsigned char symbol) +{ + //This function is used to construct the (H_hermitian * H matrix) matrix elements + unsigned short rb; + __m128i *conjch00_ch00_128, *conjch01_ch01_128, *conjch11_ch11_128, *conjch10_ch10_128; + __m128i *conjch20_ch20_128, *conjch21_ch21_128, *conjch30_ch30_128, *conjch31_ch31_128; + __m128i *conjch00_ch01_128, *conjch01_ch00_128, *conjch10_ch11_128, *conjch11_ch10_128; + __m128i *conjch20_ch21_128, *conjch21_ch20_128, *conjch30_ch31_128, *conjch31_ch30_128; + __m128i *after_mf_00_128, *after_mf_01_128, *after_mf_10_128, *after_mf_11_128; + + conjch00_ch00_128 = (__m128i *)conjch00_ch00; + conjch01_ch01_128 = (__m128i *)conjch01_ch01; + conjch11_ch11_128 = (__m128i *)conjch11_ch11; + conjch10_ch10_128 = (__m128i *)conjch10_ch10; + + conjch20_ch20_128 = (__m128i *)conjch20_ch20; + conjch21_ch21_128 = (__m128i *)conjch21_ch21; + conjch30_ch30_128 = (__m128i *)conjch30_ch30; + conjch31_ch31_128 = (__m128i *)conjch31_ch31; + + conjch00_ch01_128 = (__m128i *)conjch00_ch01; + conjch01_ch00_128 = (__m128i *)conjch01_ch00; + conjch10_ch11_128 = (__m128i *)conjch10_ch11; + conjch11_ch10_128 = (__m128i *)conjch11_ch10; + + conjch20_ch21_128 = (__m128i *)conjch20_ch21; + conjch21_ch20_128 = (__m128i *)conjch21_ch20; + conjch30_ch31_128 = (__m128i *)conjch30_ch31; + conjch31_ch30_128 = (__m128i *)conjch31_ch30; + + after_mf_00_128 = (__m128i *)after_mf_00; + after_mf_01_128 = (__m128i *)after_mf_01; + after_mf_10_128 = (__m128i *)after_mf_10; + after_mf_11_128 = (__m128i *)after_mf_11; + + for (rb=0; rb<3*nb_rb; rb++) { + + after_mf_00_128[0] =_mm_adds_epi16(conjch00_ch00_128[0],conjch10_ch10_128[0]);//00_00 + 10_10 + if (conjch20_ch20 != NULL) after_mf_00_128[0] =_mm_adds_epi16(after_mf_00_128[0],conjch20_ch20_128[0]); + if (conjch30_ch30 != NULL) after_mf_00_128[0] =_mm_adds_epi16(after_mf_00_128[0],conjch30_ch30_128[0]); + + after_mf_11_128[0] =_mm_adds_epi16(conjch01_ch01_128[0], conjch11_ch11_128[0]); //01_01 + 11_11 + if (conjch21_ch21 != NULL) after_mf_11_128[0] =_mm_adds_epi16(after_mf_11_128[0],conjch21_ch21_128[0]); + if (conjch31_ch31 != NULL) after_mf_11_128[0] =_mm_adds_epi16(after_mf_11_128[0],conjch31_ch31_128[0]); + + after_mf_01_128[0] =_mm_adds_epi16(conjch00_ch01_128[0], conjch10_ch11_128[0]);//00_01 + 10_11 + if (conjch20_ch21 != NULL) after_mf_01_128[0] =_mm_adds_epi16(after_mf_01_128[0],conjch20_ch21_128[0]); + if (conjch30_ch31 != NULL) after_mf_01_128[0] =_mm_adds_epi16(after_mf_01_128[0],conjch30_ch31_128[0]); + + after_mf_10_128[0] =_mm_adds_epi16(conjch01_ch00_128[0], conjch11_ch10_128[0]);//01_00 + 11_10 + if (conjch21_ch20 != NULL) after_mf_10_128[0] =_mm_adds_epi16(after_mf_10_128[0],conjch21_ch20_128[0]); + if (conjch31_ch30 != NULL) after_mf_10_128[0] =_mm_adds_epi16(after_mf_10_128[0],conjch31_ch30_128[0]); + +#ifdef DEBUG_DLSCH_DEMOD + if ((rb<=30)) + { + printf(" \n construct_HhH_elements \n"); + print_shorts("after_mf_00_128:",(int16_t*)&after_mf_00_128[0]); + print_shorts("after_mf_01_128:",(int16_t*)&after_mf_01_128[0]); + print_shorts("after_mf_10_128:",(int16_t*)&after_mf_10_128[0]); + print_shorts("after_mf_11_128:",(int16_t*)&after_mf_11_128[0]); + } +#endif + conjch00_ch00_128+=1; + conjch10_ch10_128+=1; + conjch01_ch01_128+=1; + conjch11_ch11_128+=1; + + if (conjch20_ch20 != NULL) conjch20_ch20_128+=1; + if (conjch21_ch21 != NULL) conjch21_ch21_128+=1; + if (conjch30_ch30 != NULL) conjch30_ch30_128+=1; + if (conjch31_ch31 != NULL) conjch31_ch31_128+=1; + + conjch00_ch01_128+=1; + conjch01_ch00_128+=1; + conjch10_ch11_128+=1; + conjch11_ch10_128+=1; + + if (conjch20_ch21 != NULL) conjch20_ch21_128+=1; + if (conjch21_ch20 != NULL) conjch21_ch20_128+=1; + if (conjch30_ch31 != NULL) conjch30_ch31_128+=1; + if (conjch31_ch30 != NULL) conjch31_ch30_128+=1; + + after_mf_00_128 += 1; + after_mf_01_128 += 1; + after_mf_10_128 += 1; + after_mf_11_128 += 1; + } + _mm_empty(); + _m_empty(); +} + +/* Zero Forcing Rx function: nr_ulsch_zero_forcing_rx_2layers() + * + * + * */ +uint8_t nr_ulsch_zero_forcing_rx_2layers(int **rxdataF_comp, + int **ul_ch_mag, + int **ul_ch_magb, + int **ul_ch_estimates_ext, + unsigned short nb_rb, + unsigned char n_rx, + unsigned char mod_order, + int shift, + unsigned char symbol, + int length) +{ + int *ch00, *ch01, *ch10, *ch11; + int *ch20, *ch30, *ch21, *ch31; + uint32_t nb_rb_0 = length/12 + ((length%12)?1:0); + + #ifdef __AVX2__ + int off = ((nb_rb&1) == 1)? 4:0; + #else + int off = 0; + #endif + + /* we need at least alignment to 16 bytes, let's put 32 to be sure + * (maybe not necessary but doesn't hurt) + */ + int32_t conjch00_ch01[12*nb_rb] __attribute__((aligned(32))); + int32_t conjch01_ch00[12*nb_rb] __attribute__((aligned(32))); + int32_t conjch10_ch11[12*nb_rb] __attribute__((aligned(32))); + int32_t conjch11_ch10[12*nb_rb] __attribute__((aligned(32))); + int32_t conjch00_ch00[12*nb_rb] __attribute__((aligned(32))); + int32_t conjch01_ch01[12*nb_rb] __attribute__((aligned(32))); + int32_t conjch10_ch10[12*nb_rb] __attribute__((aligned(32))); + int32_t conjch11_ch11[12*nb_rb] __attribute__((aligned(32))); + int32_t conjch20_ch20[12*nb_rb] __attribute__((aligned(32))); + int32_t conjch21_ch21[12*nb_rb] __attribute__((aligned(32))); + int32_t conjch30_ch30[12*nb_rb] __attribute__((aligned(32))); + int32_t conjch31_ch31[12*nb_rb] __attribute__((aligned(32))); + int32_t conjch20_ch21[12*nb_rb] __attribute__((aligned(32))); + int32_t conjch30_ch31[12*nb_rb] __attribute__((aligned(32))); + int32_t conjch21_ch20[12*nb_rb] __attribute__((aligned(32))); + int32_t conjch31_ch30[12*nb_rb] __attribute__((aligned(32))); + + int32_t af_mf_00[12*nb_rb] __attribute__((aligned(32))); + int32_t af_mf_01[12*nb_rb] __attribute__((aligned(32))); + int32_t af_mf_10[12*nb_rb] __attribute__((aligned(32))); + int32_t af_mf_11[12*nb_rb] __attribute__((aligned(32))); + int32_t determ_fin[12*nb_rb] __attribute__((aligned(32))); + + switch (n_rx) { + case 2:// + ch00 = (int *)&ul_ch_estimates_ext[0][symbol*(off+nb_rb*12)]; + ch01 = (int *)&ul_ch_estimates_ext[2][symbol*(off+nb_rb*12)]; + ch10 = (int *)&ul_ch_estimates_ext[1][symbol*(off+nb_rb*12)]; + ch11 = (int *)&ul_ch_estimates_ext[3][symbol*(off+nb_rb*12)]; + ch20 = NULL; + ch21 = NULL; + ch30 = NULL; + ch31 = NULL; + break; + + case 4:// + ch00 = (int *)&ul_ch_estimates_ext[0][symbol*(off+nb_rb*12)]; + ch01 = (int *)&ul_ch_estimates_ext[4][symbol*(off+nb_rb*12)]; + ch10 = (int *)&ul_ch_estimates_ext[1][symbol*(off+nb_rb*12)]; + ch11 = (int *)&ul_ch_estimates_ext[5][symbol*(off+nb_rb*12)]; + ch20 = (int *)&ul_ch_estimates_ext[2][symbol*(off+nb_rb*12)]; + ch21 = (int *)&ul_ch_estimates_ext[6][symbol*(off+nb_rb*12)]; + ch30 = (int *)&ul_ch_estimates_ext[3][symbol*(off+nb_rb*12)]; + ch31 = (int *)&ul_ch_estimates_ext[7][symbol*(off+nb_rb*12)]; + break; + + default: + return -1; + break; + } + + /* 1- Compute the rx channel matrix after compensation: (1/2^log2_max)x(H_herm x H) + * for n_rx = 2 + * |conj_H_00 conj_H_10| | H_00 H_01| |(conj_H_00xH_00+conj_H_10xH_10) (conj_H_00xH_01+conj_H_10xH_11)| + * | | x | | = | | + * |conj_H_01 conj_H_11| | H_10 H_11| |(conj_H_01xH_00+conj_H_11xH_10) (conj_H_01xH_01+conj_H_11xH_11)| + * + */ + + if (n_rx>=2){ + // (1/2^log2_maxh)*conj_H_00xH_00: (1/(64*2))conjH_00*H_00*2^15 + nr_ulsch_conjch0_mult_ch1(ch00, + ch00, + conjch00_ch00, + nb_rb_0, + shift); + // (1/2^log2_maxh)*conj_H_10xH_10: (1/(64*2))conjH_10*H_10*2^15 + nr_ulsch_conjch0_mult_ch1(ch10, + ch10, + conjch10_ch10, + nb_rb_0, + shift); + // conj_H_00xH_01 + nr_ulsch_conjch0_mult_ch1(ch00, + ch01, + conjch00_ch01, + nb_rb_0, + shift); // this shift is equal to the channel level log2_maxh + // conj_H_10xH_11 + nr_ulsch_conjch0_mult_ch1(ch10, + ch11, + conjch10_ch11, + nb_rb_0, + shift); + // conj_H_01xH_01 + nr_ulsch_conjch0_mult_ch1(ch01, + ch01, + conjch01_ch01, + nb_rb_0, + shift); + // conj_H_11xH_11 + nr_ulsch_conjch0_mult_ch1(ch11, + ch11, + conjch11_ch11, + nb_rb_0, + shift); + // conj_H_01xH_00 + nr_ulsch_conjch0_mult_ch1(ch01, + ch00, + conjch01_ch00, + nb_rb_0, + shift); + // conj_H_11xH_10 + nr_ulsch_conjch0_mult_ch1(ch11, + ch10, + conjch11_ch10, + nb_rb_0, + shift); + } + if (n_rx==4){ + // (1/2^log2_maxh)*conj_H_20xH_20: (1/(64*2*16))conjH_20*H_20*2^15 + nr_ulsch_conjch0_mult_ch1(ch20, + ch20, + conjch20_ch20, + nb_rb_0, + shift); + + // (1/2^log2_maxh)*conj_H_30xH_30: (1/(64*2*4))conjH_30*H_30*2^15 + nr_ulsch_conjch0_mult_ch1(ch30, + ch30, + conjch30_ch30, + nb_rb_0, + shift); + + // (1/2^log2_maxh)*conj_H_20xH_20: (1/(64*2))conjH_20*H_20*2^15 + nr_ulsch_conjch0_mult_ch1(ch20, + ch21, + conjch20_ch21, + nb_rb_0, + shift); + + nr_ulsch_conjch0_mult_ch1(ch30, + ch31, + conjch30_ch31, + nb_rb_0, + shift); + + nr_ulsch_conjch0_mult_ch1(ch21, + ch21, + conjch21_ch21, + nb_rb_0, + shift); + + nr_ulsch_conjch0_mult_ch1(ch31, + ch31, + conjch31_ch31, + nb_rb_0, + shift); + + // (1/2^log2_maxh)*conj_H_20xH_20: (1/(64*2))conjH_20*H_20*2^15 + nr_ulsch_conjch0_mult_ch1(ch21, + ch20, + conjch21_ch20, + nb_rb_0, + shift); + + nr_ulsch_conjch0_mult_ch1(ch31, + ch30, + conjch31_ch30, + nb_rb_0, + shift); + + nr_ulsch_construct_HhH_elements(conjch00_ch00, + conjch01_ch01, + conjch11_ch11, + conjch10_ch10,// + conjch20_ch20, + conjch21_ch21, + conjch30_ch30, + conjch31_ch31, + conjch00_ch01, + conjch01_ch00, + conjch10_ch11, + conjch11_ch10,// + conjch20_ch21, + conjch21_ch20, + conjch30_ch31, + conjch31_ch30, + af_mf_00, + af_mf_01, + af_mf_10, + af_mf_11, + nb_rb_0, + symbol); + } + if (n_rx==2){ + nr_ulsch_construct_HhH_elements(conjch00_ch00, + conjch01_ch01, + conjch11_ch11, + conjch10_ch10,// + NULL, + NULL, + NULL, + NULL, + conjch00_ch01, + conjch01_ch00, + conjch10_ch11, + conjch11_ch10,// + NULL, + NULL, + NULL, + NULL, + af_mf_00, + af_mf_01, + af_mf_10, + af_mf_11, + nb_rb_0, + symbol); + } + //det_HhH = ad -bc + nr_ulsch_det_HhH(af_mf_00,//a + af_mf_01,//b + af_mf_10,//c + af_mf_11,//d + determ_fin, + nb_rb_0, + symbol, + shift); + /* 2- Compute the channel matrix inversion ********************************** + * + * |(conj_H_00xH_00+conj_H_10xH_10) (conj_H_00xH_01+conj_H_10xH_11)| + * A= | | + * |(conj_H_01xH_00+conj_H_11xH_10) (conj_H_01xH_01+conj_H_11xH_11)| + * + * + * + *inv(A) =(1/det)*[d -b + * -c a] + * + * + **************************************************************************/ + __m128i *rxdataF_comp128_0,*rxdataF_comp128_1,*ul_ch_mag128_0=NULL,*ul_ch_mag128b_0=NULL,*determ_fin_128;//*dl_ch_mag128_1,*dl_ch_mag128b_1,*dl_ch_mag128r_1 + __m128i mmtmpD0,mmtmpD1,mmtmpD2,mmtmpD3; + __m128i *after_mf_a_128,*after_mf_b_128, *after_mf_c_128, *after_mf_d_128; + __m128i QAM_amp128={0},QAM_amp128b={0}; + + determ_fin_128 = (__m128i *)&determ_fin[0]; + + rxdataF_comp128_0 = (__m128i *)&rxdataF_comp[0][symbol*(off+nb_rb*12)];//aatx=0 @ aarx =0 + rxdataF_comp128_1 = (__m128i *)&rxdataF_comp[n_rx][symbol*(off+nb_rb*12)];//aatx=1 @ aarx =0 + + after_mf_a_128 = (__m128i *)af_mf_00; + after_mf_b_128 = (__m128i *)af_mf_01; + after_mf_c_128 = (__m128i *)af_mf_10; + after_mf_d_128 = (__m128i *)af_mf_11; + + if (mod_order>2) { + if (mod_order == 4) { + QAM_amp128 = _mm_set1_epi16(QAM16_n1); //2/sqrt(10) + QAM_amp128b = _mm_setzero_si128(); + } else if (mod_order == 6) { + QAM_amp128 = _mm_set1_epi16(QAM64_n1); //4/sqrt{42} + QAM_amp128b = _mm_set1_epi16(QAM64_n2); //2/sqrt{42} + } + ul_ch_mag128_0 = (__m128i *)&ul_ch_mag[0][symbol*(off+nb_rb*12)]; + ul_ch_mag128b_0 = (__m128i *)&ul_ch_magb[0][symbol*(off+nb_rb*12)]; + } + + for (int rb=0; rb<3*nb_rb_0; rb++) { + if (mod_order>2) { + int sum_det =0; + for (int k=0; k<4;k++) { + sum_det += ((((int *)&determ_fin_128[0])[k])>>2); + //printf("det_%d = %d\n",k,sum_det); + } + + mmtmpD2 = _mm_slli_epi32(determ_fin_128[0],5); + mmtmpD2 = _mm_srai_epi32(mmtmpD2,log2_approx(sum_det)); + mmtmpD2 = _mm_slli_epi32(mmtmpD2,5); + + mmtmpD3 = _mm_unpacklo_epi32(mmtmpD2,mmtmpD2); + + mmtmpD2 = _mm_unpackhi_epi32(mmtmpD2,mmtmpD2); + + mmtmpD2 = _mm_packs_epi32(mmtmpD3,mmtmpD2); + + ul_ch_mag128_0[0] = mmtmpD2; + ul_ch_mag128b_0[0] = mmtmpD2; + + ul_ch_mag128_0[0] = _mm_mulhi_epi16(ul_ch_mag128_0[0],QAM_amp128); + ul_ch_mag128_0[0] = _mm_slli_epi16(ul_ch_mag128_0[0],1); + + ul_ch_mag128b_0[0] = _mm_mulhi_epi16(ul_ch_mag128b_0[0],QAM_amp128b); + ul_ch_mag128b_0[0] = _mm_slli_epi16(ul_ch_mag128b_0[0],1); + + //print_shorts("mag layer 1:",(int16_t*)&dl_ch_mag128_0[0]); + //print_shorts("mag layer 2:",(int16_t*)&dl_ch_mag128_1[0]); + //print_shorts("magb layer 1:",(int16_t*)&dl_ch_mag128b_0[0]); + //print_shorts("magb layer 2:",(int16_t*)&dl_ch_mag128b_1[0]); + //print_shorts("magr layer 1:",(int16_t*)&dl_ch_mag128r_0[0]); + //print_shorts("magr layer 2:",(int16_t*)&dl_ch_mag128r_1[0]); + } + // multiply by channel Inv + //rxdataF_zf128_0 = rxdataF_comp128_0*d - b*rxdataF_comp128_1 + //rxdataF_zf128_1 = rxdataF_comp128_1*a - c*rxdataF_comp128_0 + //printf("layer_1 \n"); + mmtmpD0 = nr_ulsch_comp_muli_sum(rxdataF_comp128_0[0], + after_mf_d_128[0], + rxdataF_comp128_1[0], + after_mf_b_128[0], + determ_fin_128[0]); + + //printf("layer_2 \n"); + mmtmpD1 = nr_ulsch_comp_muli_sum(rxdataF_comp128_1[0], + after_mf_a_128[0], + rxdataF_comp128_0[0], + after_mf_c_128[0], + determ_fin_128[0]); + + rxdataF_comp128_0[0] = mmtmpD0; + rxdataF_comp128_1[0] = mmtmpD1; +#ifdef DEBUG_DLSCH_DEMOD + printf("\n Rx signal after ZF l%d rb%d\n",symbol,rb); + print_shorts(" Rx layer 1:",(int16_t*)&rxdataF_comp128_0[0]); + print_shorts(" Rx layer 2:",(int16_t*)&rxdataF_comp128_1[0]); +#endif + determ_fin_128 += 1; + ul_ch_mag128_0 += 1; + ul_ch_mag128b_0 += 1; + rxdataF_comp128_0 += 1; + rxdataF_comp128_1 += 1; + after_mf_a_128 += 1; + after_mf_b_128 += 1; + after_mf_c_128 += 1; + after_mf_d_128 += 1; + } + _mm_empty(); + _m_empty(); + return(0); +} + +//============================================================================================== + +/* Main Function */ int nr_rx_pusch(PHY_VARS_gNB *gNB, uint8_t ulsch_id, uint32_t frame, @@ -1186,7 +1912,10 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB, bwp_start_subcarrier = ((rel15_ul->rb_start + rel15_ul->bwp_start)*NR_NB_SC_PER_RB + frame_parms->first_carrier_offset) % frame_parms->ofdm_symbol_size; LOG_D(PHY,"pusch %d.%d : bwp_start_subcarrier %d, rb_start %d, first_carrier_offset %d\n", frame,slot,bwp_start_subcarrier, rel15_ul->rb_start, frame_parms->first_carrier_offset); LOG_D(PHY,"pusch %d.%d : ul_dmrs_symb_pos %x\n",frame,slot,rel15_ul->ul_dmrs_symb_pos); - + LOG_D(PHY,"ulsch RX %x : start_rb %d nb_rb %d mcs %d Nl %d Tpmi %d bwp_start %d start_sc %d start_symbol %d num_symbols %d cdmgrpsnodata %d num_dmrs %d dmrs_ports %d\n", + rel15_ul->rnti,rel15_ul->rb_start,rel15_ul->rb_size,rel15_ul->mcs_index, + rel15_ul->nrOfLayers,0,rel15_ul->bwp_start,0,rel15_ul->start_symbol_index,rel15_ul->nr_of_symbols, + rel15_ul->num_dmrs_cdm_grps_no_data,rel15_ul->ul_dmrs_symb_pos,rel15_ul->dmrs_ports); //---------------------------------------------------------- //--------------------- Channel estimation --------------------- //---------------------------------------------------------- @@ -1194,11 +1923,13 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB, for(uint8_t symbol = rel15_ul->start_symbol_index; symbol < (rel15_ul->start_symbol_index + rel15_ul->nr_of_symbols); symbol++) { uint8_t dmrs_symbol_flag = (rel15_ul->ul_dmrs_symb_pos >> symbol) & 0x01; LOG_D(PHY, "symbol %d, dmrs_symbol_flag :%d\n", symbol, dmrs_symbol_flag); + if (dmrs_symbol_flag == 1) { if (gNB->pusch_vars[ulsch_id]->dmrs_symbol == INVALID_VALUE) gNB->pusch_vars[ulsch_id]->dmrs_symbol = symbol; - for (int nl=0; nlnrOfLayers; nl++) + for (int nl=0; nlnrOfLayers; nl++) { + nr_pusch_channel_estimation(gNB, slot, get_dmrs_port(nl,rel15_ul->dmrs_ports), @@ -1206,6 +1937,7 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB, ulsch_id, bwp_start_subcarrier, rel15_ul); + } nr_gnb_measurements(gNB, ulsch_id, harq_pid, symbol,rel15_ul->nrOfLayers); @@ -1214,9 +1946,11 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB, gNB->pusch_vars[ulsch_id]->ulsch_power[aarx] = 0; gNB->pusch_vars[ulsch_id]->ulsch_noise_power[aarx] = 0; } - gNB->pusch_vars[ulsch_id]->ulsch_power[aarx] += signal_energy_nodc( - &gNB->pusch_vars[ulsch_id]->ul_ch_estimates[aarx][symbol * frame_parms->ofdm_symbol_size], + for (aatx = 0; aatx < rel15_ul->nrOfLayers; aatx++) { + gNB->pusch_vars[ulsch_id]->ulsch_power[aarx] += signal_energy_nodc( + &gNB->pusch_vars[ulsch_id]->ul_ch_estimates[aatx*gNB->frame_parms.nb_antennas_rx+aarx][symbol * frame_parms->ofdm_symbol_size], rel15_ul->rb_size * 12); + } for (int rb = 0; rb < rel15_ul->rb_size; rb++) { gNB->pusch_vars[ulsch_id]->ulsch_noise_power[aarx] += gNB->measurements.n0_subband_power[aarx][rel15_ul->bwp_start + rel15_ul->rb_start + rb] / @@ -1254,7 +1988,8 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB, else { nb_re_pusch = rel15_ul->rb_size *(12 - (rel15_ul->num_dmrs_cdm_grps_no_data*4)); } - } else { + } + else { nb_re_pusch = rel15_ul->rb_size * NR_NB_SC_PER_RB; } @@ -1265,15 +2000,14 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB, //--------------------- RBs extraction --------------------- //---------------------------------------------------------- if (nb_re_pusch > 0) { - start_meas(&gNB->ulsch_rbs_extraction_stats); - nr_ulsch_extract_rbs_single(gNB->common_vars.rxdataF, - gNB->pusch_vars[ulsch_id], - slot, - symbol, - dmrs_symbol_flag, - rel15_ul, - frame_parms); + nr_ulsch_extract_rbs(gNB->common_vars.rxdataF, + gNB->pusch_vars[ulsch_id], + slot, + symbol, + dmrs_symbol_flag, + rel15_ul, + frame_parms); stop_meas(&gNB->ulsch_rbs_extraction_stats); //---------------------------------------------------------- @@ -1284,8 +2018,9 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB, gNB->ulsch[ulsch_id], symbol, dmrs_symbol_flag, - rel15_ul->rb_size, - rel15_ul->dmrs_config_type); + nb_re_pusch, + rel15_ul->nrOfLayers, + rel15_ul->rb_size); if (gNB->pusch_vars[ulsch_id]->cl_done==0) { nr_ulsch_channel_level(gNB->pusch_vars[ulsch_id]->ul_ch_estimates_ext, @@ -1319,6 +2054,7 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB, (rel15_ul->nrOfLayers>1) ? gNB->pusch_vars[ulsch_id]->rho : NULL, frame_parms, symbol, + nb_re_pusch, dmrs_symbol_flag, rel15_ul->qam_mod_order, rel15_ul->nrOfLayers, @@ -1331,19 +2067,32 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB, gNB->pusch_vars[ulsch_id]->rxdataF_comp, gNB->pusch_vars[ulsch_id]->ul_ch_mag0, gNB->pusch_vars[ulsch_id]->ul_ch_magb0, + (rel15_ul->nrOfLayers>1) ? gNB->pusch_vars[ulsch_id]->rho : NULL, + rel15_ul->nrOfLayers, symbol, - rel15_ul->rb_size); + rel15_ul->rb_size, + nb_re_pusch); + + if (rel15_ul->nrOfLayers == 2)//Apply zero forcing for 2 Tx layers + nr_ulsch_zero_forcing_rx_2layers(gNB->pusch_vars[ulsch_id]->rxdataF_comp, + gNB->pusch_vars[ulsch_id]->ul_ch_mag0, + gNB->pusch_vars[ulsch_id]->ul_ch_magb0, + gNB->pusch_vars[ulsch_id]->ul_ch_estimates_ext, + rel15_ul->rb_size, + frame_parms->nb_antennas_rx, + rel15_ul->qam_mod_order, + gNB->pusch_vars[ulsch_id]->log2_maxh, + symbol, + nb_re_pusch); stop_meas(&gNB->ulsch_mrc_stats); - // transform precoding = 0 means enabled - if (rel15_ul->transform_precoding == 0) { - - #ifdef __AVX2__ + if (rel15_ul->transform_precoding == transformPrecoder_enabled) { + #ifdef __AVX2__ // For odd number of resource blocks need byte alignment to multiple of 8 int nb_re_pusch2 = nb_re_pusch + (nb_re_pusch&7); - #else + #else int nb_re_pusch2 = nb_re_pusch; - #endif + #endif // perform IDFT operation on the compensated rxdata if transform precoding is enabled nr_idft(&gNB->pusch_vars[ulsch_id]->rxdataF_comp[0][symbol * nb_re_pusch2], nb_re_pusch); @@ -1374,14 +2123,16 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB, /*-------------------- LLRs computation -------------------------------------------------------------*/ /*-----------------------------------------------------------------------------------------------------*/ start_meas(&gNB->ulsch_llr_stats); - nr_ulsch_compute_llr(&gNB->pusch_vars[ulsch_id]->rxdataF_comp[0][symbol * (off + rel15_ul->rb_size * NR_NB_SC_PER_RB)], - gNB->pusch_vars[ulsch_id]->ul_ch_mag0, - gNB->pusch_vars[ulsch_id]->ul_ch_magb0, - &gNB->pusch_vars[ulsch_id]->llr[rxdataF_ext_offset * rel15_ul->qam_mod_order], - rel15_ul->rb_size, - gNB->pusch_vars[ulsch_id]->ul_valid_re_per_slot[symbol], - symbol, - rel15_ul->qam_mod_order); + for (aatx=0; aatx < rel15_ul->nrOfLayers; aatx++) { + nr_ulsch_compute_llr(&gNB->pusch_vars[ulsch_id]->rxdataF_comp[aatx*frame_parms->nb_antennas_rx][symbol * (off + rel15_ul->rb_size * NR_NB_SC_PER_RB)], + gNB->pusch_vars[ulsch_id]->ul_ch_mag0[aatx*frame_parms->nb_antennas_rx], + gNB->pusch_vars[ulsch_id]->ul_ch_magb0[aatx*frame_parms->nb_antennas_rx], + &gNB->pusch_vars[ulsch_id]->llr_layers[aatx][rxdataF_ext_offset * rel15_ul->qam_mod_order], + rel15_ul->rb_size, + gNB->pusch_vars[ulsch_id]->ul_valid_re_per_slot[symbol], + symbol, + rel15_ul->qam_mod_order); + } stop_meas(&gNB->ulsch_llr_stats); rxdataF_ext_offset += gNB->pusch_vars[ulsch_id]->ul_valid_re_per_slot[symbol]; } diff --git a/openair1/PHY/NR_TRANSPORT/nr_ulsch_llr_computation.c b/openair1/PHY/NR_TRANSPORT/nr_ulsch_llr_computation.c index bf96a76106..ad41ebf3d6 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_ulsch_llr_computation.c +++ b/openair1/PHY/NR_TRANSPORT/nr_ulsch_llr_computation.c @@ -64,7 +64,7 @@ void nr_ulsch_qpsk_llr(int32_t *rxdataF_comp, //---------------------------------------------------------------------------------------------- void nr_ulsch_16qam_llr(int32_t *rxdataF_comp, - int32_t **ul_ch_mag, + int32_t *ul_ch_mag, int16_t *ulsch_llr, uint32_t nb_rb, uint32_t nb_re, @@ -110,12 +110,12 @@ void nr_ulsch_16qam_llr(int32_t *rxdataF_comp, #if defined(__x86_64__) || defined(__i386__) #ifdef __AVX2__ - ch_mag = (__m256i*)&ul_ch_mag[0][(symbol*(off+(nb_rb*12)))]; + ch_mag = (__m256i*)&ul_ch_mag[(symbol*(off+(nb_rb*12)))]; #else - ch_mag = (__m128i*)&ul_ch_mag[0][(symbol*(off+(nb_rb*12)))]; + ch_mag = (__m128i*)&ul_ch_mag[(symbol*(off+(nb_rb*12)))]; #endif #elif defined(__arm__) - ch_mag = (int16x8_t*)&ul_ch_mag[0][(symbol*nb_rb*12)]; + ch_mag = (int16x8_t*)&ul_ch_mag[(symbol*nb_rb*12)]; #endif #ifdef __AVX2__ @@ -231,8 +231,8 @@ void nr_ulsch_16qam_llr(int32_t *rxdataF_comp, //---------------------------------------------------------------------------------------------- void nr_ulsch_64qam_llr(int32_t *rxdataF_comp, - int32_t **ul_ch_mag, - int32_t **ul_ch_magb, + int32_t *ul_ch_mag, + int32_t *ul_ch_magb, int16_t *ulsch_llr, uint32_t nb_rb, uint32_t nb_re, @@ -265,15 +265,15 @@ void nr_ulsch_64qam_llr(int32_t *rxdataF_comp, #if defined(__x86_64__) || defined(__i386__) #ifdef __AVX2__ - ch_mag = (__m256i*)&ul_ch_mag[0][(symbol*(off+(nb_rb*12)))]; - ch_magb = (__m256i*)&ul_ch_magb[0][(symbol*(off+(nb_rb*12)))]; + ch_mag = (__m256i*)&ul_ch_mag[(symbol*(off+(nb_rb*12)))]; + ch_magb = (__m256i*)&ul_ch_magb[(symbol*(off+(nb_rb*12)))]; #else - ch_mag = (__m128i*)&ul_ch_mag[0][(symbol*nb_rb*12)]; - ch_magb = (__m128i*)&ul_ch_magb[0][(symbol*nb_rb*12)]; + ch_mag = (__m128i*)&ul_ch_mag[(symbol*nb_rb*12)]; + ch_magb = (__m128i*)&ul_ch_magb[(symbol*nb_rb*12)]; #endif #elif defined(__arm__) - ch_mag = (int16x8_t*)&ul_ch_mag[0][(symbol*nb_rb*12)]; - ch_magb = (int16x8_t*)&ul_ch_magb[0][(symbol*nb_rb*12)]; + ch_mag = (int16x8_t*)&ul_ch_mag[(symbol*nb_rb*12)]; + ch_magb = (int16x8_t*)&ul_ch_magb[(symbol*nb_rb*12)]; #endif #ifdef __AVX2__ @@ -471,8 +471,8 @@ void nr_ulsch_64qam_llr(int32_t *rxdataF_comp, void nr_ulsch_compute_llr(int32_t *rxdataF_comp, - int32_t **ul_ch_mag, - int32_t **ul_ch_magb, + int32_t *ul_ch_mag, + int32_t *ul_ch_magb, int16_t *ulsch_llr, uint32_t nb_rb, uint32_t nb_re, diff --git a/openair1/PHY/NR_UE_ESTIMATION/filt16a_32.c b/openair1/PHY/NR_UE_ESTIMATION/filt16a_32.c index 0c520aabe7..af62f0b34a 100644 --- a/openair1/PHY/NR_UE_ESTIMATION/filt16a_32.c +++ b/openair1/PHY/NR_UE_ESTIMATION/filt16a_32.c @@ -148,7 +148,7 @@ short filt8_dcr0_h[8]= { 0,4096,8192,12288,16384,0,0,0}; short filt8_l1[8] = { -24576,16384,0,0,0,0,0,0}; +24576,16384,8192,0,0,0,0,0}; short filt8_ml1[8] = { -8192,0,8192,16384,8192,0,0,0}; @@ -163,10 +163,10 @@ short filt8_mm1[8]= { 0,0,0,0,8192,16384,8192,0}; short filt8_dcl1[8]= { -0,0,0,16384,12288,8192,4096,0}; +0,0,16384,12288,8192,4096,0,0}; short filt8_dcr1[8]= { -0,0,0,0,4096,8192,12288,16384}; +0,0,0,4096,8192,12288,16384,0}; short filt8_dcl1_h[8]= { 0,16384,12288,8192,4096,0,0,0}; 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 72fa255955..f5df234dc6 100644 --- a/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h +++ b/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h @@ -63,10 +63,12 @@ void free_nr_ue_dlsch(NR_UE_DLSCH_t **dlsch, uint16_t N_RB_DL); */ NR_UE_DLSCH_t *new_nr_ue_dlsch(uint8_t Kmimo,uint8_t Mdlharq,uint32_t Nsoft,uint8_t max_turbo_iterations,uint16_t N_RB_DL); +void free_nr_ue_ulsch(NR_UE_ULSCH_t **ulschptr, + uint16_t N_RB_UL, + NR_DL_FRAME_PARMS* frame_parms); -void free_nr_ue_ulsch(NR_UE_ULSCH_t **ulsch, uint16_t N_RB_UL); -NR_UE_ULSCH_t *new_nr_ue_ulsch(uint16_t N_RB_UL, int number_of_harq_pids); +NR_UE_ULSCH_t *new_nr_ue_ulsch(uint16_t N_RB_UL, int number_of_harq_pids, NR_DL_FRAME_PARMS* frame_parms); /** \brief This function computes the LLRs for ML (max-logsum approximation) dual-stream QPSK/QPSK reception. @param stream0_in Input from channel compensated (MR combined) stream 0 diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_transport_ue.h b/openair1/PHY/NR_UE_TRANSPORT/nr_transport_ue.h index 08e99434dd..7ecba40c3a 100644 --- a/openair1/PHY/NR_UE_TRANSPORT/nr_transport_ue.h +++ b/openair1/PHY/NR_UE_TRANSPORT/nr_transport_ue.h @@ -84,9 +84,9 @@ typedef struct { /// Pointer to the payload + CRC uint8_t *b; /// Pointers to transport block segments - uint8_t *c[MAX_NUM_NR_ULSCH_SEGMENTS]; + uint8_t **c; /// LDPC-code outputs - uint8_t *d[MAX_NUM_NR_ULSCH_SEGMENTS]; + uint8_t **d; /// LDPC-code outputs (TS 36.212 V15.4.0, Sec 5.3.2 p. 17) uint8_t *e; /// Rate matching (Interleaving) outputs (TS 36.212 V15.4.0, Sec 5.4.2.2 p. 30) diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c index 5de615a0cc..833e542eea 100644 --- a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c +++ b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c @@ -43,10 +43,10 @@ //#define DEBUG_ULSCH_CODING -void free_nr_ue_ulsch(NR_UE_ULSCH_t **ulschptr, uint16_t N_RB_UL) +void free_nr_ue_ulsch(NR_UE_ULSCH_t **ulschptr, + uint16_t N_RB_UL, + NR_DL_FRAME_PARMS* frame_parms) { -{ - int i, r; NR_UE_ULSCH_t *ulsch = *ulschptr; if (ulsch) { @@ -54,15 +54,15 @@ void free_nr_ue_ulsch(NR_UE_ULSCH_t **ulschptr, uint16_t N_RB_UL) printf("Freeing ulsch %p\n",ulsch); #endif - uint16_t a_segments = MAX_NUM_NR_ULSCH_SEGMENTS; //number of segments to be allocated + int max_layers = (frame_parms->nb_antennas_txnb_antennas_tx : NR_MAX_NB_LAYERS; + uint16_t a_segments = MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER*max_layers; //number of segments to be allocated - if (N_RB_UL != 273) { - a_segments = a_segments*N_RB_UL; - a_segments = a_segments/273 +1; - } + if (N_RB_UL != 273) { + a_segments = a_segments*N_RB_UL; + a_segments = a_segments/273 +1; + } - - for (i=0; iharq_processes[i]) { if (ulsch->harq_processes[i]->a) { @@ -81,7 +81,7 @@ void free_nr_ue_ulsch(NR_UE_ULSCH_t **ulschptr, uint16_t N_RB_UL) free16(ulsch->harq_processes[i]->f,14*N_RB_UL*12*8); ulsch->harq_processes[i]->f = NULL; } - for (r=0; rharq_processes[i]->c[r]) { free16(ulsch->harq_processes[i]->c[r],((r==0)?8:0) + 3+768); ulsch->harq_processes[i]->c[r] = NULL; @@ -94,6 +94,15 @@ void free_nr_ue_ulsch(NR_UE_ULSCH_t **ulschptr, uint16_t N_RB_UL) } + if (ulsch->harq_processes[i]->c) { + free16(ulsch->harq_processes[i]->c,a_segments); + ulsch->harq_processes[i]->c = NULL; + } + if (ulsch->harq_processes[i]->d) { + free16(ulsch->harq_processes[i]->d,a_segments); + ulsch->harq_processes[i]->d = NULL; + } + free16(ulsch->harq_processes[i],sizeof(NR_UL_UE_HARQ_t)); ulsch->harq_processes[i] = NULL; } @@ -101,13 +110,13 @@ void free_nr_ue_ulsch(NR_UE_ULSCH_t **ulschptr, uint16_t N_RB_UL) free16(ulsch,sizeof(NR_UE_ULSCH_t)); *ulschptr = NULL; } - } -NR_UE_ULSCH_t *new_nr_ue_ulsch(uint16_t N_RB_UL, int number_of_harq_pids) -{ - uint16_t a_segments = MAX_NUM_NR_ULSCH_SEGMENTS; //number of segments to be allocated +NR_UE_ULSCH_t *new_nr_ue_ulsch(uint16_t N_RB_UL, int number_of_harq_pids, NR_DL_FRAME_PARMS* frame_parms) { + + int max_layers = (frame_parms->nb_antennas_txnb_antennas_tx : NR_MAX_NB_LAYERS; + uint16_t a_segments = MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER*max_layers; //number of segments to be allocated if (N_RB_UL != 273) { a_segments = a_segments*N_RB_UL; @@ -140,6 +149,8 @@ NR_UE_ULSCH_t *new_nr_ue_ulsch(uint16_t N_RB_UL, int number_of_harq_pids) DevAssert(ulsch->harq_processes[i]->b); bzero(ulsch->harq_processes[i]->b,ulsch_bytes); + ulsch->harq_processes[i]->c = malloc16(a_segments*sizeof(uint8_t *)); + ulsch->harq_processes[i]->d = malloc16(a_segments*sizeof(uint16_t *)); for (int r = 0; r < a_segments; r++) { // account for filler in first segment and CRCs for multiple segment case ulsch->harq_processes[i]->c[r] = malloc16(8448); @@ -216,6 +227,8 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue, printf("\n"); */ + int max_payload_bytes = MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER*harq_process->pusch_pdu.nrOfLayers*1056; + if (A > 3824) { // Add 24-bit crc (polynomial A) to payload crc = crc24a(harq_process->a,A)>>8; @@ -227,7 +240,7 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue, harq_process->B = A+24; - AssertFatal((A/8)+4 <= MAX_NR_ULSCH_PAYLOAD_BYTES,"A %d is too big (A/8+4 = %d > %d)\n",A,(A/8)+4,MAX_NR_ULSCH_PAYLOAD_BYTES); + AssertFatal((A/8)+4 <= max_payload_bytes,"A %d is too big (A/8+4 = %d > %d)\n",A,(A/8)+4,max_payload_bytes); memcpy(harq_process->b,harq_process->a,(A/8)+4); } @@ -241,7 +254,7 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue, harq_process->B = A+16; - AssertFatal((A/8)+3 <= MAX_NR_ULSCH_PAYLOAD_BYTES,"A %d is too big (A/8+3 = %d > %d)\n",A,(A/8)+3,MAX_NR_ULSCH_PAYLOAD_BYTES); + AssertFatal((A/8)+3 <= max_payload_bytes,"A %d is too big (A/8+3 = %d > %d)\n",A,(A/8)+3,max_payload_bytes); memcpy(harq_process->b,harq_process->a,(A/8)+3); // using 3 bytes to mimic the case of 24 bit crc } @@ -301,7 +314,7 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue, printf("start ldpc encoder segment %d/%d\n",r,harq_process->C); printf("input %d %d %d %d %d \n", harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]); for (int cnt =0 ; cnt < 22*(*pz)/8; cnt ++){ - printf("%d ", harq_process->c[r][cnt]); + printf("%d ", harq_process->c[r][cnt]); } printf("\n"); diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c index bab0c75aff..450805a26c 100644 --- a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c +++ b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c @@ -38,6 +38,7 @@ #include "PHY/MODULATION/nr_modulation.h" #include "PHY/MODULATION/modulation_common.h" #include "common/utils/assertions.h" +#include "common/utils/nr/nr_common.h" #include "common/utils/LOG/vcd_signal_dumper.h" #include "PHY/NR_TRANSPORT/nr_transport_common_proto.h" #include "PHY/NR_TRANSPORT/nr_sch_dmrs.h" @@ -114,15 +115,14 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE, LOG_D(PHY,"nr_ue_ulsch_procedures hard_id %d %d.%d\n",harq_pid,frame,slot); - uint32_t available_bits; - int32_t **txdataF; int8_t Wf[2], Wt[2]; int l_prime[2], delta; uint8_t nb_dmrs_re_per_rb; - int ap, i; + int i; int sample_offsetF, N_RE_prime; NR_DL_FRAME_PARMS *frame_parms = &UE->frame_parms; + int32_t **txdataF = UE->common_vars.txdataF; int N_PRB_oh = 0; // higher layer (RRC) parameter xOverhead in PUSCH-ServingCellConfig uint16_t number_dmrs_symbols = 0; @@ -155,9 +155,8 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE, nb_dmrs_re_per_rb = ((dmrs_type == pusch_dmrs_type1) ? 6:4)*cdm_grps_no_data; - LOG_D(PHY,"ulsch %x : start_rb %d bwp_start %d start_sc %d start_symbol %d num_symbols %d cdmgrpsnodata %d num_dmrs %d dmrs_re_per_rb %d\n", - rnti,start_rb,pusch_pdu->bwp_start,start_sc,start_symbol,number_of_symbols,cdm_grps_no_data,number_dmrs_symbols,nb_dmrs_re_per_rb); - + LOG_D(PHY,"ulsch TX %x : start_rb %d nb_rb %d mod_order %d Nl %d Tpmi %d bwp_start %d start_sc %d start_symbol %d num_symbols %d cdmgrpsnodata %d num_dmrs %d dmrs_re_per_rb %d\n", + rnti,start_rb,nb_rb,mod_order,Nl,pusch_pdu->Tpmi,pusch_pdu->bwp_start,start_sc,start_symbol,number_of_symbols,cdm_grps_no_data,number_dmrs_symbols,nb_dmrs_re_per_rb); // TbD num_of_mod_symbols is set but never used N_RE_prime = NR_NB_SC_PER_RB*number_of_symbols - nb_dmrs_re_per_rb*number_dmrs_symbols - N_PRB_oh; harq_process_ul_ue->num_of_mod_symbols = N_RE_prime*nb_rb; @@ -184,7 +183,7 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE, /////////////////////////ULSCH scrambling///////////////////////// /////////// - available_bits = G; + uint32_t available_bits = G; uint32_t scrambled_output[(available_bits>>5)+1]; memset(scrambled_output, 0, ((available_bits>>5)+1)*sizeof(uint32_t)); @@ -201,7 +200,7 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE, /////////////////////////ULSCH modulation///////////////////////// /////////// - int max_num_re = number_of_symbols*nb_rb*NR_NB_SC_PER_RB; + int max_num_re = Nl*number_of_symbols*nb_rb*NR_NB_SC_PER_RB; int32_t d_mod[max_num_re] __attribute__ ((aligned(16))); nr_modulation(scrambled_output, // assume one codeword for the moment @@ -209,7 +208,6 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE, mod_order, (int16_t *)d_mod); - /////////// //////////////////////////////////////////////////////////////////////// @@ -284,8 +282,7 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE, /// Transform-coded "y"-sequences (for definition see 38-211 V15.3.0 2018-09, subsection 6.3.1.4) int32_t y[max_num_re] __attribute__ ((aligned(16))); - // if transform precoding is enbaled (value 0) - if (pusch_pdu->transform_precoding == 0) { + if (pusch_pdu->transform_precoding == transformPrecoder_enabled) { uint32_t nb_re_pusch=nb_rb * NR_NB_SC_PER_RB; uint32_t y_offset = 0; @@ -315,20 +312,20 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE, LOG_D(PHY,"Transform precoding being done on data- symbol: %d, nb_re_pusch: %d, y_offset: %d\n", l, nb_re_pusch, y_offset); #ifdef DEBUG_PUSCH_MAPPING - printf("NR_ULSCH_UE: y_offset %d\t nb_re_pusch %d \t Symbol %d \t nb_rb %d \n", - y_offset, nb_re_pusch, l, nb_rb); + printf("NR_ULSCH_UE: y_offset %d\t nb_re_pusch %d \t Symbol %d \t nb_rb %d \n", + y_offset, nb_re_pusch, l, nb_rb); #endif } #ifdef DEBUG_DFT_IDFT - int32_t debug_symbols[max_num_re] __attribute__ ((aligned(16))); + int32_t debug_symbols[MAX_NUM_NR_RE] __attribute__ ((aligned(16))); int offset = 0; printf("NR_ULSCH_UE: available_bits: %d, mod_order: %d", available_bits,mod_order); for (int ll = 0; ll < (available_bits/mod_order); ll++) { - debug_symbols[ll] = y[ll]; + debug_symbols[ll] = ulsch_ue->y[ll]; } - + printf("NR_ULSCH_UE: numSym: %d, num_dmrs_sym: %d", number_of_symbols,number_dmrs_symbols); for (int ll = 0; ll < (number_of_symbols-number_dmrs_symbols); ll++) { nr_idft(&debug_symbols[offset], nb_re_pusch); @@ -341,32 +338,33 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE, #endif } - else - memcpy(y, tx_layers[0], (available_bits/mod_order)*sizeof(int32_t)); - for (int nl = 0; nl < Nl; nl++) - free_and_zero(tx_layers[nl]); - free_and_zero(tx_layers); + /////////// + //////////////////////////////////////////////////////////////////////// + + /////////////////////////ULSCH RE mapping///////////////////////// /////////// - txdataF = UE->common_vars.txdataF; - - for (ap=0; ap< Nl; ap++) { + int encoded_length = frame_parms->N_RB_UL*14*NR_NB_SC_PER_RB*mod_order*Nl; + int16_t **tx_precoding = (int16_t **)malloc16_clear(Nl*sizeof(int16_t *)); + for (int nl=0; nlNid_cell, u); #endif - // DMRS params for this ap - get_Wt(Wt, ap, dmrs_type); - get_Wf(Wf, ap, dmrs_type); - delta = get_delta(ap, dmrs_type); + int dmrs_port = get_dmrs_port(nl,pusch_pdu->dmrs_ports); + // DMRS params for this dmrs port + get_Wt(Wt, dmrs_port, dmrs_type); + get_Wf(Wf, dmrs_port, dmrs_type); + delta = get_delta(dmrs_port, dmrs_type); for (int l=start_symbol; l> l) & 0x01) { is_dmrs_sym = 1; - // transform precoding disabled (value 1) - if (pusch_pdu->transform_precoding == 1){ + if (pusch_pdu->transform_precoding == transformPrecoder_disabled){ if (dmrs_type == pusch_dmrs_type1) dmrs_idx = (pusch_pdu->bwp_start + start_rb)*6; @@ -396,7 +393,7 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE, } } else if (pusch_pdu->pdu_bit_map & PUSCH_PDU_BITMAP_PUSCH_PTRS) { - AssertFatal(pusch_pdu->transform_precoding == 1, "PTRS NOT SUPPORTED IF TRANSFORM PRECODING IS ENABLED\n"); + AssertFatal(pusch_pdu->transform_precoding == transformPrecoder_disabled, "PTRS NOT SUPPORTED IF TRANSFORM PRECODING IS ENABLED\n"); if(is_ptrs_symbol(l, ulsch_ue->ptrs_symbols)) { is_ptrs_sym = 1; @@ -405,7 +402,6 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE, } for (i=0; i< nb_rb*NR_NB_SC_PER_RB; i++) { - uint8_t is_dmrs = 0; uint8_t is_ptrs = 0; @@ -417,7 +413,7 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE, } else if (is_ptrs_sym) { is_ptrs = is_ptrs_subcarrier(k, rnti, - ap, + nl, dmrs_type, K_ptrs, nb_rb, @@ -428,67 +424,146 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE, if (is_dmrs == 1) { // if transform precoding is enabled - if (pusch_pdu->transform_precoding == 0) { - - ((int16_t*)txdataF[ap])[(sample_offsetF)<<1] = (Wt[l_prime[0]]*Wf[k_prime]*AMP*dmrs_seq[2*dmrs_idx]) >> 15; - ((int16_t*)txdataF[ap])[((sample_offsetF)<<1) + 1] = (Wt[l_prime[0]]*Wf[k_prime]*AMP*dmrs_seq[(2*dmrs_idx) + 1]) >> 15; - + if (pusch_pdu->transform_precoding == transformPrecoder_enabled) { + ((int16_t*)tx_precoding[nl])[(sample_offsetF)<<1] = (Wt[l_prime[0]]*Wf[k_prime]*AMP*dmrs_seq[2*dmrs_idx]) >> 15; + ((int16_t*)tx_precoding[nl])[((sample_offsetF)<<1) + 1] = (Wt[l_prime[0]]*Wf[k_prime]*AMP*dmrs_seq[(2*dmrs_idx) + 1]) >> 15; } else { - - ((int16_t*)txdataF[ap])[(sample_offsetF)<<1] = (Wt[l_prime[0]]*Wf[k_prime]*AMP*mod_dmrs[dmrs_idx<<1]) >> 15; - ((int16_t*)txdataF[ap])[((sample_offsetF)<<1) + 1] = (Wt[l_prime[0]]*Wf[k_prime]*AMP*mod_dmrs[(dmrs_idx<<1) + 1]) >> 15; - + ((int16_t*)tx_precoding[nl])[(sample_offsetF)<<1] = (Wt[l_prime[0]]*Wf[k_prime]*AMP*mod_dmrs[dmrs_idx<<1]) >> 15; + ((int16_t*)tx_precoding[nl])[((sample_offsetF)<<1) + 1] = (Wt[l_prime[0]]*Wf[k_prime]*AMP*mod_dmrs[(dmrs_idx<<1) + 1]) >> 15; } #ifdef DEBUG_PUSCH_MAPPING - printf("dmrs_idx %d\t l %d \t k %d \t k_prime %d \t n %d \t dmrs: %d %d\n", - dmrs_idx, l, k, k_prime, n, ((int16_t*)txdataF[ap])[(sample_offsetF)<<1], - ((int16_t*)txdataF[ap])[((sample_offsetF)<<1) + 1]); + printf("DMRS: Layer: %d\t, dmrs_idx %d\t l %d \t k %d \t k_prime %d \t n %d \t dmrs: %d %d\n", + nl, dmrs_idx, l, k, k_prime, n, ((int16_t*)tx_precoding[nl])[(sample_offsetF)<<1], + ((int16_t*)tx_precoding[nl])[((sample_offsetF)<<1) + 1]); #endif - dmrs_idx++; k_prime++; k_prime&=1; n+=(k_prime)?0:1; - + } else if (is_ptrs == 1) { - - ((int16_t*)txdataF[ap])[(sample_offsetF)<<1] = (beta_ptrs*AMP*mod_ptrs[ptrs_idx<<1]) >> 15; - ((int16_t*)txdataF[ap])[((sample_offsetF)<<1) + 1] = (beta_ptrs*AMP*mod_ptrs[(ptrs_idx<<1) + 1]) >> 15; - + ((int16_t*)tx_precoding[nl])[(sample_offsetF)<<1] = (beta_ptrs*AMP*mod_ptrs[ptrs_idx<<1]) >> 15; + ((int16_t*)tx_precoding[nl])[((sample_offsetF)<<1) + 1] = (beta_ptrs*AMP*mod_ptrs[(ptrs_idx<<1) + 1]) >> 15; ptrs_idx++; - } else if (!is_dmrs_sym || allowed_xlsch_re_in_dmrs_symbol(k, start_sc, frame_parms->ofdm_symbol_size, cdm_grps_no_data, dmrs_type)) { - - ((int16_t*)txdataF[ap])[(sample_offsetF)<<1] = ((int16_t *) y)[m<<1]; - ((int16_t*)txdataF[ap])[((sample_offsetF)<<1) + 1] = ((int16_t *) y)[(m<<1) + 1]; + if (pusch_pdu->transform_precoding == transformPrecoder_disabled) { + ((int16_t*)tx_precoding[nl])[(sample_offsetF)<<1] = ((int16_t *)tx_layers[nl])[m<<1]; + ((int16_t*)tx_precoding[nl])[((sample_offsetF)<<1) + 1] = ((int16_t *)tx_layers[nl])[(m<<1) + 1]; + } + else { + ((int16_t*)tx_precoding[nl])[(sample_offsetF)<<1] = ((int16_t *) y)[m<<1]; + ((int16_t*)tx_precoding[nl])[((sample_offsetF)<<1) + 1] = ((int16_t *) y)[(m<<1) + 1]; + } #ifdef DEBUG_PUSCH_MAPPING - printf("m %d\t l %d \t k %d \t txdataF: %d %d\n", - m, l, k, ((int16_t*)txdataF[ap])[(sample_offsetF)<<1], - ((int16_t*)txdataF[ap])[((sample_offsetF)<<1) + 1]); + printf("DATA: layer %d\t m %d\t l %d \t k %d \t tx_precoding: %d %d\n", + nl, m, l, k, ((int16_t*)tx_precoding[nl])[(sample_offsetF)<<1], + ((int16_t*)tx_precoding[nl])[((sample_offsetF)<<1) + 1]); #endif m++; } else { - - ((int16_t*)txdataF[ap])[(sample_offsetF)<<1] = 0; - ((int16_t*)txdataF[ap])[((sample_offsetF)<<1) + 1] = 0; - + ((int16_t*)tx_precoding[nl])[(sample_offsetF)<<1] = 0; + ((int16_t*)tx_precoding[nl])[((sample_offsetF)<<1) + 1] = 0; } if (++k >= frame_parms->ofdm_symbol_size) k -= frame_parms->ofdm_symbol_size; - } - } - } + } //for (i=0; i< nb_rb*NR_NB_SC_PER_RB; i++) + }//for (l=start_symbol; lnb_antennas_tx; ap++) { + for (int l=start_symbol; lTpmi; + + if (pmi == 0) {//unitary Precoding + if(ap< pusch_pdu->nrOfLayers) + memcpy((void*)&txdataF[ap][l*frame_parms->ofdm_symbol_size + k], + (void*)&tx_precoding[ap][2*(l*frame_parms->ofdm_symbol_size + k)], + NR_NB_SC_PER_RB*sizeof(int32_t)); + else + memset((void*)&txdataF[ap][l*frame_parms->ofdm_symbol_size + k], + 0, + NR_NB_SC_PER_RB*sizeof(int32_t)); + + k += NR_NB_SC_PER_RB; + if (k >= frame_parms->ofdm_symbol_size) { + k -= frame_parms->ofdm_symbol_size; + } + } + else { + //get the precoding matrix weights: + char *W_prec; + switch (frame_parms->nb_antennas_tx) { + case 1://1 antenna port + W_prec = nr_W_1l_2p[pmi][ap]; + break; + case 2://2 antenna ports + if (pusch_pdu->nrOfLayers == 1)//1 layer + W_prec = nr_W_1l_2p[pmi][ap]; + else//2 layers + W_prec = nr_W_2l_2p[pmi][ap]; + break; + case 4://4 antenna ports + if (pusch_pdu->nrOfLayers == 1)//1 layer + W_prec = nr_W_1l_4p[pmi][ap]; + else if (pusch_pdu->nrOfLayers == 2)//2 layers + W_prec = nr_W_2l_4p[pmi][ap]; + else if (pusch_pdu->nrOfLayers == 3)//3 layers + W_prec = nr_W_3l_4p[pmi][ap]; + else//4 layers + W_prec = nr_W_4l_4p[pmi][ap]; + break; + default: + LOG_D(PHY,"Precoding 1,2, or 4 antenna ports are currently supported\n"); + W_prec = nr_W_1l_2p[pmi][ap]; + break; + } + + for (int i=0; iofdm_symbol_size + k; + int32_t precodatatx_F = nr_layer_precoder(tx_precoding, W_prec, pusch_pdu->nrOfLayers, re_offset); + ((int16_t*)txdataF[ap])[(re_offset<<1)] = ((int16_t *) &precodatatx_F)[0]; + ((int16_t*)txdataF[ap])[(re_offset<<1) + 1] = ((int16_t *) &precodatatx_F)[1]; + + if (++k >= frame_parms->ofdm_symbol_size) { + k -= frame_parms->ofdm_symbol_size; + } + } + } + } //RB loop + } // symbol loop + }// port loop NR_UL_UE_HARQ_t *harq_process_ulsch=NULL; harq_process_ulsch = UE->ulsch[thread_id][gNB_id]->harq_processes[harq_pid]; harq_process_ulsch->status = SCH_IDLE; + for (int nl = 0; nl < Nl; nl++) { + free_and_zero(tx_layers[nl]); + free_and_zero(tx_precoding[nl]); + } + free_and_zero(tx_layers); + free_and_zero(tx_precoding); + /////////// //////////////////////////////////////////////////////////////////////// @@ -498,7 +573,7 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE, uint8_t nr_ue_pusch_common_procedures(PHY_VARS_NR_UE *UE, uint8_t slot, NR_DL_FRAME_PARMS *frame_parms, - uint8_t Nl) { + uint8_t n_antenna_ports) { int tx_offset, ap; int32_t **txdata; @@ -520,7 +595,7 @@ uint8_t nr_ue_pusch_common_procedures(PHY_VARS_NR_UE *UE, txdataF = UE->common_vars.txdataF; int symb_offset = (slot%frame_parms->slots_per_subframe)*frame_parms->symbols_per_slot; - for(ap = 0; ap < Nl; ap++) { + for(ap = 0; ap < n_antenna_ports; ap++) { for (int s=0;s (%d.%d)\n", @@ -538,7 +613,7 @@ uint8_t nr_ue_pusch_common_procedures(PHY_VARS_NR_UE *UE, } } - for (ap = 0; ap < Nl; ap++) { + for (ap = 0; ap < n_antenna_ports; ap++) { if (frame_parms->Ncp == 1) { // extended cyclic prefix PHY_ofdm_mod(txdataF[ap], &txdata[ap][tx_offset], diff --git a/openair1/PHY/defs_gNB.h b/openair1/PHY/defs_gNB.h index ec9c42256b..2ced28821a 100644 --- a/openair1/PHY/defs_gNB.h +++ b/openair1/PHY/defs_gNB.h @@ -271,7 +271,7 @@ typedef struct { /// The payload + CRC (24 bits) in bits (38.212 V15.4.0 section 5.1) uint32_t B; /// Pointers to code blocks after code block segmentation and CRC attachment (38.212 V15.4.0 section 5.2.2) - uint8_t *c[MAX_NUM_NR_ULSCH_SEGMENTS]; + uint8_t **c; /// Number of bits in each code block (38.212 V15.4.0 section 5.2.2) uint32_t K; /// Number of "Filler" bits added in the code block segmentation (38.212 V15.4.0 section 5.2.2) @@ -279,11 +279,9 @@ typedef struct { /// Number of code blocks after code block segmentation (38.212 V15.4.0 section 5.2.2) uint32_t C; /// Pointers to code blocks after LDPC coding (38.212 V15.4.0 section 5.3.2) - int16_t *d[MAX_NUM_NR_ULSCH_SEGMENTS]; + int16_t **d; /// LDPC lifting size (38.212 V15.4.0 table 5.3.2-1) uint32_t Z; - /// code blocks after bit selection in rate matching for LDPC code (38.212 V15.4.0 section 5.4.2.1) - int16_t e[MAX_NUM_NR_ULSCH_SEGMENTS][3*8448]; /// Number of bits in each code block after rate matching for LDPC code (38.212 V15.4.0 section 5.4.2.1) uint32_t E; /// Number of segments processed so far @@ -338,8 +336,6 @@ typedef struct { int16_t q_RI[MAX_RI_PAYLOAD]; /// Temporary h sequence to flag PUSCH_x/PUSCH_y symbols which are not scrambled uint8_t h[MAX_NUM_CHANNEL_BITS]; - /// soft bits for each received segment ("w"-sequence)(for definition see 36-212 V8.6 2009-03, p.15) - int16_t *w[MAX_NUM_NR_ULSCH_SEGMENTS]; ////////////////////////////////////////////////////////////// } NR_UL_gNB_HARQ_t; @@ -471,7 +467,7 @@ typedef struct { /// \brief Cross-correlation of two UE signals. /// - first index: rx antenna [0..nb_antennas_rx[ /// - second index: symbol [0..] - int32_t **rho; + int32_t ***rho; /// \f$\log_2(\max|H_i|^2)\f$ int16_t log2_maxh; /// \brief Magnitude of Uplink Channel first layer (16QAM level/First 64QAM level). @@ -501,6 +497,10 @@ typedef struct { /// \brief llr values. /// - first index: ? [0..1179743] (hard coded) int16_t *llr; + /// \brief llr values per layer. + /// - first index: ? [0..3] (hard coded) + /// - first index: ? [0..1179743] (hard coded) + int16_t **llr_layers; /// DMRS symbol index, to be updated every DMRS symbol within a slot. uint8_t dmrs_symbol; // PTRS symbol index, to be updated every PTRS symbol within a slot. diff --git a/openair1/PHY/defs_nr_common.h b/openair1/PHY/defs_nr_common.h index a30baabd10..d93e23db47 100644 --- a/openair1/PHY/defs_nr_common.h +++ b/openair1/PHY/defs_nr_common.h @@ -79,7 +79,9 @@ #define NR_MAX_CSET_DURATION 3 #define NR_MAX_NB_RBG 18 + #define NR_MAX_NB_LAYERS 4 // 8 + #define NR_MAX_NB_HARQ_PROCESSES 16 #define NR_MAX_PDSCH_TBS 3824 @@ -87,8 +89,10 @@ #define MAX_NUM_NR_DLSCH_SEGMENTS_PER_LAYER 34 -#define MAX_NUM_NR_ULSCH_SEGMENTS 34 -#define MAX_NR_ULSCH_PAYLOAD_BYTES (MAX_NUM_NR_ULSCH_SEGMENTS*1056) +#define MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER 34 + +#define MAX_NUM_NR_CHANNEL_BITS (4*14*273*12*8) // 14 symbols, 273 RB +#define MAX_NUM_NR_RE (4*14*273*12) #define MAX_NUM_NR_SRS_SYMBOLS 4 diff --git a/openair1/SCHED_NR/nr_ru_procedures.c b/openair1/SCHED_NR/nr_ru_procedures.c index b90f14a129..3d5e4a0ce4 100644 --- a/openair1/SCHED_NR/nr_ru_procedures.c +++ b/openair1/SCHED_NR/nr_ru_procedures.c @@ -526,7 +526,8 @@ void nr_fep0(RU_t *ru, int first_half) { end_symbol = NR_SYMBOLS_PER_SLOT; } - LOG_D(PHY,"In fep0 for slot = %d, first_half = %d, start_symbol = %d, end_symbol = %d\n", proc->tti_rx, first_half, start_symbol, end_symbol); + LOG_D(PHY,"In fep0 for slot = %d, first_half = %d, start_symbol = %d, end_symbol = %d, nb_antennas_rx = %d,N_TA_offset = %d\n", + proc->tti_rx, first_half, start_symbol, end_symbol,fp->nb_antennas_rx,ru->N_TA_offset); // printf("fep0: slot %d\n",slot); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPRX+proc->tti_rx, 1); diff --git a/openair1/SCHED_NR/phy_procedures_nr_gNB.c b/openair1/SCHED_NR/phy_procedures_nr_gNB.c index 4e75090d4b..84370f2509 100644 --- a/openair1/SCHED_NR/phy_procedures_nr_gNB.c +++ b/openair1/SCHED_NR/phy_procedures_nr_gNB.c @@ -347,6 +347,14 @@ void nr_ulsch_procedures(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, int ULSCH number_dmrs_symbols, // number of dmrs symbols irrespective of single or double symbol dmrs pusch_pdu->qam_mod_order, pusch_pdu->nrOfLayers); + + + nr_ulsch_layer_demapping(gNB->pusch_vars[ULSCH_id]->llr, + pusch_pdu->nrOfLayers, + pusch_pdu->qam_mod_order, + G, + gNB->pusch_vars[ULSCH_id]->llr_layers); + //---------------------------------------------------------- //------------------- ULSCH unscrambling ------------------- //---------------------------------------------------------- diff --git a/openair1/SCHED_NR_UE/fapi_nr_ue_l1.c b/openair1/SCHED_NR_UE/fapi_nr_ue_l1.c index f8eef9a8c2..9ac08467d4 100644 --- a/openair1/SCHED_NR_UE/fapi_nr_ue_l1.c +++ b/openair1/SCHED_NR_UE/fapi_nr_ue_l1.c @@ -426,7 +426,7 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){ for (int i = 0; i < ul_config->number_pdus; ++i){ AssertFatal(ul_config->ul_config_list[i].pdu_type <= FAPI_NR_UL_CONFIG_TYPES,"pdu_type %d out of bounds\n",ul_config->ul_config_list[i].pdu_type); - LOG_D(PHY, "In %s: processing %s PDU of %d total UL PDUs (ul_config %p) \n", __FUNCTION__, ul_pdu_type[ul_config->ul_config_list[i].pdu_type - 1], ul_config->number_pdus, ul_config); + LOG_D(PHY, "In %s i %d: processing %s PDU of %d total UL PDUs (ul_config %p) \n", __FUNCTION__, i, ul_pdu_type[ul_config->ul_config_list[i].pdu_type - 1], ul_config->number_pdus, ul_config); uint8_t pdu_type = ul_config->ul_config_list[i].pdu_type, current_harq_pid, gNB_id = 0; /* PRACH */ @@ -451,6 +451,8 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){ if (harq_process_ul_ue){ nfapi_nr_ue_pusch_pdu_t *pusch_pdu = &harq_process_ul_ue->pusch_pdu; + + LOG_D(PHY, "In %s i %d: copy pusch_config_pdu nrOfLayers:%d, num_dmrs_cdm_grps_no_data:%d \n", __FUNCTION__, i, pusch_config_pdu->nrOfLayers,pusch_config_pdu->num_dmrs_cdm_grps_no_data); memcpy(pusch_pdu, pusch_config_pdu, sizeof(nfapi_nr_ue_pusch_pdu_t)); diff --git a/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c b/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c index 9c4c6a4129..194604bb43 100644 --- a/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c +++ b/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c @@ -284,7 +284,8 @@ void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue, VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX,VCD_FUNCTION_IN); - memset(ue->common_vars.txdataF[0], 0, sizeof(int)*14*ue->frame_parms.ofdm_symbol_size); + for(int i=0; i< ue->frame_parms.nb_antennas_tx; ++i) + memset(ue->common_vars.txdataF[i], 0, sizeof(int)*14*ue->frame_parms.ofdm_symbol_size); LOG_D(PHY,"****** start TX-Chain for AbsSubframe %d.%d ******\n", frame_tx, slot_tx); diff --git a/openair1/SIMULATION/NR_PHY/dlschsim.c b/openair1/SIMULATION/NR_PHY/dlschsim.c index a14a1ff3c6..8cd7543bf3 100644 --- a/openair1/SIMULATION/NR_PHY/dlschsim.c +++ b/openair1/SIMULATION/NR_PHY/dlschsim.c @@ -48,13 +48,16 @@ #include "openair1/SIMULATION/NR_PHY/nr_unitary_defs.h" #include "openair1/SIMULATION/NR_PHY/nr_dummy_functions.c" + //#define DEBUG_NR_DLSCHSIM +THREAD_STRUCT thread_struct; PHY_VARS_gNB *gNB; PHY_VARS_NR_UE *UE; RAN_CONTEXT_t RC; UE_nr_rxtx_proc_t proc; int32_t uplink_frequency_offset[MAX_NUM_CCs][4]; +uint64_t downlink_frequency[MAX_NUM_CCs][4]; double cpuf; //uint8_t nfapi_mode = 0; diff --git a/openair1/SIMULATION/NR_PHY/nr_dummy_functions.c b/openair1/SIMULATION/NR_PHY/nr_dummy_functions.c index 2d1fc59755..21802cd41a 100644 --- a/openair1/SIMULATION/NR_PHY/nr_dummy_functions.c +++ b/openair1/SIMULATION/NR_PHY/nr_dummy_functions.c @@ -21,6 +21,8 @@ nfapi_mode_t nfapi_mod; nfapi_mode_t nfapi_getmode(void) { return nfapi_mod; } +void nfapi_setmode(nfapi_mode_t nfapi_mode) {} + int dummy_nr_ue_dl_indication(nr_downlink_indication_t *dl_info) { return(0); } int dummy_nr_ue_ul_indication(nr_uplink_indication_t *ul_info) { return(0); } void nr_fill_dl_indication(nr_downlink_indication_t *dl_ind, diff --git a/openair1/SIMULATION/NR_PHY/pucchsim.c b/openair1/SIMULATION/NR_PHY/pucchsim.c index b6dc3d8f11..7cbdf9f7ba 100644 --- a/openair1/SIMULATION/NR_PHY/pucchsim.c +++ b/openair1/SIMULATION/NR_PHY/pucchsim.c @@ -47,12 +47,13 @@ #include "openair1/SIMULATION/NR_PHY/nr_unitary_defs.h" #include "openair1/SIMULATION/NR_PHY/nr_dummy_functions.c" - +THREAD_STRUCT thread_struct; PHY_VARS_gNB *gNB; PHY_VARS_NR_UE *UE; RAN_CONTEXT_t RC; openair0_config_t openair0_cfg[MAX_CARDS]; int32_t uplink_frequency_offset[MAX_NUM_CCs][4]; +uint64_t downlink_frequency[MAX_NUM_CCs][4]; double cpuf; //uint8_t nfapi_mode = 0; diff --git a/openair1/SIMULATION/NR_PHY/ulschsim.c b/openair1/SIMULATION/NR_PHY/ulschsim.c index f6227e1769..1eaeb6139b 100644 --- a/openair1/SIMULATION/NR_PHY/ulschsim.c +++ b/openair1/SIMULATION/NR_PHY/ulschsim.c @@ -50,10 +50,12 @@ //#define DEBUG_NR_ULSCHSIM +THREAD_STRUCT thread_struct; PHY_VARS_gNB *gNB; PHY_VARS_NR_UE *UE; RAN_CONTEXT_t RC; int32_t uplink_frequency_offset[MAX_NUM_CCs][4]; +uint64_t downlink_frequency[MAX_NUM_CCs][4]; void init_downlink_harq_status(NR_DL_UE_HARQ_t *dl_harq) {} @@ -137,6 +139,7 @@ int main(int argc, char **argv) uint16_t nb_symb_sch = 12; uint16_t nb_rb = 50; uint8_t Imcs = 9; + uint8_t Nl = 1; double DS_TDL = .03; @@ -150,7 +153,7 @@ int main(int argc, char **argv) randominit(0); //while ((c = getopt(argc, argv, "df:hpg:i:j:n:l:m:r:s:S:y:z:M:N:F:R:P:")) != -1) { - while ((c = getopt(argc, argv, "hg:n:s:S:py:z:M:N:R:F:m:l:r:")) != -1) { + while ((c = getopt(argc, argv, "hg:n:s:S:py:z:M:N:R:F:m:l:r:W:")) != -1) { switch (c) { /*case 'f': write_output_file = 1; @@ -251,7 +254,7 @@ int main(int argc, char **argv) case 'y': n_tx = atoi(optarg); - if ((n_tx == 0) || (n_tx > 2)) { + if ((n_tx == 0) || (n_tx > 4)) { printf("Unsupported number of TX antennas %d. Exiting.\n", n_tx); exit(-1); } @@ -261,7 +264,7 @@ int main(int argc, char **argv) case 'z': n_rx = atoi(optarg); - if ((n_rx == 0) || (n_rx > 2)) { + if ((n_rx == 0) || (n_rx > 4)) { printf("Unsupported number of RX antennas %d. Exiting.\n", n_rx); exit(-1); } @@ -299,6 +302,10 @@ int main(int argc, char **argv) printf("Illegal PBCH phase (0-3) got %d\n", pbch_phase); break;*/ + case 'W': + Nl = atoi(optarg); + break; + case 'm': Imcs = atoi(optarg); #ifdef DEBUG_NR_ULSCHSIM @@ -335,13 +342,14 @@ int main(int argc, char **argv) printf("-z Number of RX antennas used in UE\n"); //printf("-i Relative strength of first intefering eNB (in dB) - cell_id mod 3 = 1\n"); //printf("-j Relative strength of second intefering eNB (in dB) - cell_id mod 3 = 2\n"); + printf("-W number of layer\n"); printf("-M Multiple SSB positions in burst\n"); printf("-N Nid_cell\n"); printf("-R N_RB_UL\n"); printf("-F Input filename (.txt format) for RX conformance testing\n"); - printf("-m\n"); - printf("-l\n"); - printf("-r\n"); + printf("-m MCS\n"); + printf("-l number of symbol\n"); + printf("-r number of RB\n"); //printf("-O oversampling factor (1,2,4,8,16)\n"); //printf("-A Interpolation_filname Run with Abstraction to generate Scatter plot using interpolation polynomial in file\n"); //printf("-C Generate Calibration information for Abstraction (effective SNR adjustment to remove Pe bias w.r.t. AWGN)\n"); @@ -359,8 +367,8 @@ int main(int argc, char **argv) snr1 = snr0 + 10; gNB2UE = new_channel_desc_scm(n_tx, - n_rx, - channel_model, + n_rx, + channel_model, 61.44e6, //N_RB2sampling_rate(N_RB_DL), 40e6, //N_RB2channel_bandwidth(N_RB_DL), DS_TDL, @@ -383,8 +391,6 @@ int main(int argc, char **argv) initTpool(tp_param, gNB->threadPool, true); initNotifiedFIFO(gNB->respDecode); frame_parms = &gNB->frame_parms; //to be initialized I suppose (maybe not necessary for PBCH) - frame_parms->nb_antennas_tx = n_tx; - frame_parms->nb_antennas_rx = n_rx; frame_parms->N_RB_DL = N_RB_DL; frame_parms->N_RB_UL = N_RB_UL; frame_parms->Ncp = extended_prefix_flag ? EXTENDED : NORMAL; @@ -392,6 +398,9 @@ int main(int argc, char **argv) memcpy(&gNB->frame_parms, frame_parms, sizeof(NR_DL_FRAME_PARMS)); + gNB->frame_parms.nb_antennas_tx = 1; + gNB->frame_parms.nb_antennas_rx = n_rx; + nr_phy_config_request_sim(gNB, N_RB_UL, N_RB_UL, mu, Nid_cell, SSB_positions); phy_init_nr_gNB(gNB, 0, 1); //lowmem @@ -400,6 +409,9 @@ int main(int argc, char **argv) UE = malloc(sizeof(PHY_VARS_NR_UE)); memcpy(&UE->frame_parms, frame_parms, sizeof(NR_DL_FRAME_PARMS)); + UE->frame_parms.nb_antennas_tx = n_tx; + UE->frame_parms.nb_antennas_rx = 1; + //phy_init_nr_top(frame_parms); if (init_nr_ue_signal(UE, 1) != 0) { printf("Error at UE NR initialisation.\n"); @@ -407,7 +419,7 @@ int main(int argc, char **argv) } for (sf = 0; sf < 2; sf++) { - UE->ulsch[sf][0] = new_nr_ue_ulsch(N_RB_UL, 8); + UE->ulsch[sf][0] = new_nr_ue_ulsch(N_RB_UL, 8, frame_parms); if (!UE->ulsch[sf][0]) { printf("Can't get ue ulsch structures.\n"); exit(-1); @@ -421,8 +433,7 @@ int main(int argc, char **argv) uint8_t length_dmrs = 1; uint8_t N_PRB_oh; uint16_t N_RE_prime,code_rate; - unsigned char mod_order; - uint8_t Nl = 1; + unsigned char mod_order; uint8_t rvidx = 0; uint8_t UE_id = 0; @@ -432,9 +443,12 @@ int main(int argc, char **argv) NR_UE_ULSCH_t *ulsch_ue = UE->ulsch[0][0]; + if ((Nl==4)||(Nl==3)) + nb_re_dmrs = nb_re_dmrs*2; + mod_order = nr_get_Qm_ul(Imcs, 0); code_rate = nr_get_code_rate_ul(Imcs, 0); - available_bits = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, mod_order, 1); + available_bits = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, mod_order, Nl); TBS = nr_compute_tbs(mod_order,code_rate, nb_rb, nb_symb_sch, nb_re_dmrs*length_dmrs, 0, 0, Nl); printf("\nAvailable bits %u TBS %u mod_order %d\n", available_bits, TBS, mod_order); @@ -610,7 +624,8 @@ int main(int argc, char **argv) } for (sf = 0; sf < 2; sf++) - free_nr_ue_ulsch(&UE->ulsch[sf][0], N_RB_UL); + free_nr_ue_ulsch(&UE->ulsch[sf][0], N_RB_UL, frame_parms); + term_nr_ue_signal(UE, 1); free(UE); diff --git a/openair1/SIMULATION/NR_PHY/ulsim.c b/openair1/SIMULATION/NR_PHY/ulsim.c index e70d08bdb3..0763698f8a 100644 --- a/openair1/SIMULATION/NR_PHY/ulsim.c +++ b/openair1/SIMULATION/NR_PHY/ulsim.c @@ -303,7 +303,7 @@ int main(int argc, char **argv) int gNB_id = 0; int ap; int tx_offset; - int32_t txlev=0; + int32_t txlev_sum = 0, atxlev[4]; 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) float target_error_rate = 0.01; @@ -328,7 +328,7 @@ int main(int argc, char **argv) uint16_t ptrsSymbPerSlot = 0; uint16_t ptrsRePerSymb = 0; - uint8_t transform_precoding = 1; // 0 - ENABLE, 1 - DISABLE + uint8_t transform_precoding = transformPrecoder_disabled; // 0 - ENABLE, 1 - DISABLE uint8_t num_dmrs_cdm_grps_no_data = 1; uint8_t mcs_table = 0; @@ -350,7 +350,7 @@ int main(int argc, char **argv) /* initialize the sin-cos table */ InitSinLUT(); - while ((c = getopt(argc, argv, "a:b:c:d:ef:g:h:ikl:m:n:p:r:s:u:w:y:z:F:G:H:M:N:PR:S:T:U:L:Z")) != -1) { + while ((c = getopt(argc, argv, "a:b:c:d:ef:g:h:i:kl:m:n:p:r:s:u:w:y:z:F:G:H:M:N:PR:S:T:U:L:Z:W:")) != -1) { printf("handling optarg %c\n",c); switch (c) { @@ -384,8 +384,8 @@ int main(int argc, char **argv) scg_fd = fopen(optarg, "r"); if (scg_fd == NULL) { - printf("Error opening %s\n", optarg); - exit(-1); + printf("Error opening %s\n", optarg); + exit(-1); } break; @@ -458,6 +458,10 @@ int main(int argc, char **argv) case 'm': Imcs = atoi(optarg); break; + + case 'W': + precod_nbr_layers = atoi(optarg); + break; case 'n': n_trials = atoi(optarg); @@ -505,32 +509,26 @@ int main(int argc, char **argv) case 'y': n_tx = atoi(optarg); - - if ((n_tx == 0) || (n_tx > 2)) { - printf("Unsupported number of tx antennas %d\n", n_tx); - exit(-1); + if ((n_tx == 0) || (n_tx > 4)) { + printf("Unsupported number of tx antennas %d\n", n_tx); + exit(-1); } - break; case 'z': n_rx = atoi(optarg); - if ((n_rx == 0) || (n_rx > 8)) { - printf("Unsupported number of rx antennas %d\n", n_rx); - exit(-1); + printf("Unsupported number of rx antennas %d\n", n_rx); + exit(-1); } - break; case 'F': input_fd = fopen(optarg, "r"); - if (input_fd == NULL) { - printf("Problem with filename %s\n", optarg); - exit(-1); + printf("Problem with filename %s\n", optarg); + exit(-1); } - break; case 'G': @@ -588,13 +586,10 @@ int main(int argc, char **argv) break; case 'Z': - - transform_precoding = 0; // enabled + transform_precoding = transformPrecoder_enabled; num_dmrs_cdm_grps_no_data = 2; mcs_table = 3; - - printf("NOTE: TRANSFORM PRECODING (SC-FDMA) is ENABLED in UPLINK (0 - ENABLE, 1 - DISABLE) : %d \n", transform_precoding); - + printf("NOTE: TRANSFORM PRECODING (SC-FDMA) is ENABLED in UPLINK (0 - ENABLE, 1 - DISABLE) : %d \n", transform_precoding); break; default: @@ -615,8 +610,8 @@ int main(int argc, char **argv) printf("-u Set the numerology\n"); printf("-w Start PRB for PUSCH\n"); //printf("-x Transmission mode (1,2,6 for the moment)\n"); - printf("-y Number of TX antennas used in eNB\n"); - printf("-z Number of RX antennas used in UE\n"); + printf("-y Number of TX antennas used at UE\n"); + printf("-z Number of RX antennas used at gNB\n"); printf("-A Interpolation_filname Run with Abstraction to generate Scatter plot using interpolation polynomial in file\n"); //printf("-C Generate Calibration information for Abstraction (effective SNR adjustment to remove Pe bias w.r.t. AWGN)\n"); printf("-F Input filename (.txt format) for RX conformance testing\n"); @@ -633,6 +628,7 @@ int main(int argc, char **argv) printf("-U Change DMRS Config, arguments list DMRS TYPE{0=A,1=B} DMRS AddPos{0:3}, e.g. -U 2 0 2 \n"); printf("-Q If -F used, read parameters from file\n"); printf("-Z If -Z is used, SC-FDMA or transform precoding is enabled in Uplink \n"); + printf("-W Num of layer for PUSCH\n"); exit(-1); break; @@ -739,7 +735,8 @@ int main(int argc, char **argv) // TODO do a UECAP for phy-sim const gNB_RrcConfigurationReq conf = { - .pdsch_AntennaPorts = { .N1 = n_tx, .N2 = 1, .XP = 1 }, + .pdsch_AntennaPorts = { .N1 = 1, .N2 = 1, .XP = 1 }, + .pusch_AntennaPorts = n_rx, .minRXTXTIME = 0, .do_CSIRS = 0, .do_SRS = 0, @@ -752,17 +749,18 @@ int main(int argc, char **argv) /* RRC parameter validation for secondaryCellGroup */ fix_scd(scd); - AssertFatal((gNB->if_inst = NR_IF_Module_init(0))!=NULL,"Cannot register interface"); + AssertFatal((gNB->if_inst = NR_IF_Module_init(0))!=NULL,"Cannot register interface"); - gNB->if_inst->NR_PHY_config_req = nr_phy_config_request; + gNB->if_inst->NR_PHY_config_req = nr_phy_config_request; // common configuration rrc_mac_config_req_gNB(0,0, conf.pdsch_AntennaPorts, n_rx, 0, 6, scc, &rrc.carrier.mib, rrc.carrier.siblock1, 0, 0, NULL); // UE dedicated configuration - rrc_mac_config_req_gNB(0,0, conf.pdsch_AntennaPorts, n_rx, 0, 6, scc, &rrc.carrier.mib, rrc.carrier.siblock1, 1, secondaryCellGroup->spCellConfig->reconfigurationWithSync->newUE_Identity,secondaryCellGroup); - frame_parms->nb_antennas_tx = n_tx; + rrc_mac_config_req_gNB(0,0, conf.pdsch_AntennaPorts, n_rx, 0, 6, scc, &rrc.carrier.mib, rrc.carrier.siblock1, 1, + secondaryCellGroup->spCellConfig->reconfigurationWithSync->newUE_Identity,secondaryCellGroup); + frame_parms->nb_antennas_tx = 1; frame_parms->nb_antennas_rx = n_rx; nfapi_nr_config_request_scf_t *cfg = &gNB->gNB_config; - cfg->carrier_config.num_tx_ant.value = n_tx; + cfg->carrier_config.num_tx_ant.value = 1; cfg->carrier_config.num_rx_ant.value = n_rx; // nr_phy_config_request_sim(gNB,N_RB_DL,N_RB_DL,mu,0,0x01); phy_init_nr_gNB(gNB,0,1); @@ -779,6 +777,8 @@ int main(int argc, char **argv) PHY_vars_UE_g[0] = malloc(sizeof(PHY_VARS_NR_UE*)); PHY_vars_UE_g[0][0] = UE; memcpy(&UE->frame_parms, frame_parms, sizeof(NR_DL_FRAME_PARMS)); + UE->frame_parms.nb_antennas_tx = n_tx; + UE->frame_parms.nb_antennas_rx = 1; if (init_nr_ue_signal(UE, 1) != 0) { printf("Error at UE NR initialisation\n"); @@ -831,7 +831,7 @@ int main(int argc, char **argv) unsigned char *estimated_output_bit; unsigned char *test_input_bit; - uint32_t errors_decoding = 0; + uint32_t errors_decoding = 0; test_input_bit = (unsigned char *) malloc16(sizeof(unsigned char) * 16 * 68 * 384); @@ -864,21 +864,14 @@ int main(int argc, char **argv) /* validate parameters othwerwise default values are used */ /* -U flag can be used to set DMRS parameters*/ - if(modify_dmrs) - { + if(modify_dmrs) { if(dmrs_arg[0] == 0) - { mapping_type = typeA; - } else if (dmrs_arg[0] == 1) - { mapping_type = typeB; - } /* Additional DMRS positions */ if(dmrs_arg[1] >= 0 && dmrs_arg[1] <=3 ) - { add_pos = dmrs_arg[1]; - } } printf("NOTE: DMRS config is modified with Mapping Type %d , Additional Position %d \n", mapping_type, add_pos ); @@ -887,23 +880,25 @@ int main(int argc, char **argv) uint16_t number_dmrs_symbols = get_dmrs_symbols_in_slot(l_prime_mask, nb_symb_sch); printf("num dmrs sym %d\n",number_dmrs_symbols); uint8_t nb_re_dmrs = (dmrs_config_type == pusch_dmrs_type1) ? 6 : 4; - - // if transform precoding is enabled - if (transform_precoding == 0) { + + if ((UE->frame_parms.nb_antennas_tx==4)&&(precod_nbr_layers==4)) + num_dmrs_cdm_grps_no_data = 2; + + if (transform_precoding == transformPrecoder_enabled) { AssertFatal(enable_ptrs == 0, "PTRS NOT SUPPORTED IF TRANSFORM PRECODING IS ENABLED\n"); int8_t index = get_index_for_dmrs_lowpapr_seq((NR_NB_SC_PER_RB/2) * nb_rb); - AssertFatal(index >= 0, "Num RBs not configured according to 3GPP 38.211 section 6.3.1.4. For PUSCH with transform precoding, num RBs cannot be multiple of any other primenumber other than 2,3,5\n"); + AssertFatal(index >= 0, "Num RBs not configured according to 3GPP 38.211 section 6.3.1.4. For PUSCH with transform precoding, num RBs cannot be multiple of any other primenumber other than 2,3,5\n"); dmrs_config_type = pusch_dmrs_type1; printf("[ULSIM]: TRANSFORM PRECODING ENABLED. Num RBs: %d, index for DMRS_SEQ: %d\n", nb_rb, index); } - nb_re_dmrs = nb_re_dmrs * num_dmrs_cdm_grps_no_data; + nb_re_dmrs = nb_re_dmrs * num_dmrs_cdm_grps_no_data; - unsigned int available_bits = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, number_dmrs_symbols, mod_order, 1); + unsigned int available_bits = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, number_dmrs_symbols, mod_order, precod_nbr_layers); unsigned int TBS = nr_compute_tbs(mod_order, code_rate, nb_rb, nb_symb_sch, nb_re_dmrs * number_dmrs_symbols, 0, 0, precod_nbr_layers); @@ -928,17 +923,12 @@ int main(int argc, char **argv) double ts = 1.0/(frame_parms->subcarrier_spacing * frame_parms->ofdm_symbol_size); /* -T option enable PTRS */ - if(enable_ptrs) - { + if(enable_ptrs) { /* validate parameters othwerwise default values are used */ if(ptrs_arg[0] == 0 || ptrs_arg[0] == 1 || ptrs_arg[0] == 2 ) - { ptrs_time_density = ptrs_arg[0]; - } if(ptrs_arg[1] == 2 || ptrs_arg[1] == 4 ) - { ptrs_freq_density = ptrs_arg[1]; - } pdu_bit_map |= PUSCH_PDU_BITMAP_PUSCH_PTRS; printf("NOTE: PTRS Enabled with L %d, K %d \n", ptrs_time_density, ptrs_freq_density ); } @@ -1054,7 +1044,7 @@ int main(int argc, char **argv) uint8_t round = 0; crc_status = 1; - errors_decoding = 0; + errors_decoding = 0; memset((void*)roundStats,0,50*sizeof(roundStats[0])); while (roundqam_mod_order = mod_order; pusch_pdu->transform_precoding = transform_precoding; pusch_pdu->data_scrambling_id = *scc->physCellId; - pusch_pdu->nrOfLayers = 1; + pusch_pdu->nrOfLayers = precod_nbr_layers; pusch_pdu->ul_dmrs_symb_pos = l_prime_mask; pusch_pdu->dmrs_config_type = dmrs_config_type; pusch_pdu->ul_dmrs_scrambling_id = *scc->physCellId; pusch_pdu->scid = 0; - pusch_pdu->dmrs_ports = 1; + pusch_pdu->dmrs_ports = ((1<num_dmrs_cdm_grps_no_data = num_dmrs_cdm_grps_no_data; pusch_pdu->resource_alloc = 1; pusch_pdu->rb_start = start_rb; @@ -1126,7 +1116,7 @@ int main(int argc, char **argv) pusch_pdu->pusch_ptrs.ptrs_ports_list[0].ptrs_re_offset = 0; // if transform precoding is enabled - if (transform_precoding == 0) { + if (transform_precoding == transformPrecoder_enabled) { pusch_pdu->dfts_ofdm.low_papr_group_number = *scc->physCellId % 30; // U as defined in 38.211 section 6.4.1.1.1.2 pusch_pdu->dfts_ofdm.low_papr_sequence_number = 0; // V as defined in 38.211 section 6.4.1.1.1.2 @@ -1173,6 +1163,7 @@ int main(int argc, char **argv) ul_config.ul_config_list[0].pusch_config_pdu.mcs_table = mcs_table; ul_config.ul_config_list[0].pusch_config_pdu.num_dmrs_cdm_grps_no_data = num_dmrs_cdm_grps_no_data; ul_config.ul_config_list[0].pusch_config_pdu.nrOfLayers = precod_nbr_layers; + ul_config.ul_config_list[0].pusch_config_pdu.dmrs_ports = ((1<physCellId % 30;// U as defined in 38.211 section 6.4.1.1.1.2 ul_config.ul_config_list[0].pusch_config_pdu.dfts_ofdm.low_papr_sequence_number = 0;// V as defined in 38.211 section 6.4.1.1.1.2 @@ -1216,43 +1207,83 @@ int main(int argc, char **argv) LOG_D(PHY, "Sending Uplink data \n"); nr_ue_pusch_common_procedures(UE, slot, - &UE->frame_parms,1); - + &UE->frame_parms, + UE->frame_parms.nb_antennas_tx); + + if (n_trials==1) { - LOG_M("txsig0.m","txs0", UE->common_vars.txdata[0],frame_parms->samples_per_subframe*10,1,1); + LOG_M("txsig0.m","txs0", &UE->common_vars.txdata[0][slot_offset],slot_length,1,1); LOG_M("txsig0F.m","txs0F", UE->common_vars.txdataF[0],frame_parms->ofdm_symbol_size*14,1,1); + if (precod_nbr_layers > 1) { + LOG_M("txsig1.m","txs1", &UE->common_vars.txdata[1][slot_offset],slot_length,1,1); + LOG_M("txsig1F.m","txs1F", UE->common_vars.txdataF[1],frame_parms->ofdm_symbol_size*14,1,1); + if (precod_nbr_layers==4) { + LOG_M("txsig2.m","txs2", &UE->common_vars.txdata[2][slot_offset],slot_length,1,1); + LOG_M("txsig3.m","txs3", &UE->common_vars.txdata[3][slot_offset],slot_length,1,1); + LOG_M("txsig2F.m","txs2F", UE->common_vars.txdataF[2],frame_parms->ofdm_symbol_size*14,1,1); + LOG_M("txsig3F.m","txs3F", UE->common_vars.txdataF[3],frame_parms->ofdm_symbol_size*14,1,1); + } + } } /////////// //////////////////////////////////////////////////// tx_offset = frame_parms->get_samples_slot_timestamp(slot,frame_parms,0); - - 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], + txlev_sum = 0; + for (int aa=0; aaframe_parms.nb_antennas_tx; aa++) { + atxlev[aa] = signal_energy(&UE->common_vars.txdata[aa][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); - } - else n_trials = 1; + + txlev_sum += atxlev[aa]; + + if (n_trials==1) printf("txlev[%d] = %d (%f dB) txlev_sum %d\n",aa,atxlev[aa],10*log10((double)atxlev[aa]),txlev_sum); + } + } + else + n_trials = 1; - if (input_fd == NULL ) { - - sigma_dB = 10 * log10((double)txlev * ((double)frame_parms->ofdm_symbol_size/(12*nb_rb))) - SNR;; + if (input_fd == NULL) { + // Justification of division by precod_nbr_layers: + // When the channel is the identity matrix, the results in terms of SNR should be almost equal for 2x2 and 4x4. + sigma_dB = 10 * log10((double)txlev_sum/precod_nbr_layers * ((double)frame_parms->ofdm_symbol_size/(12*nb_rb))) - SNR;; sigma = pow(10,sigma_dB/10); - 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)); + if(n_trials==1) printf("sigma %f (%f dB), txlev_sum %f (factor %f)\n",sigma,sigma_dB,10*log10((double)txlev_sum),(double)(double) + frame_parms->ofdm_symbol_size/(12*nb_rb)); for (i=0; inb_antennas_tx; aa++) { + for (int aa=0; aaframe_parms.nb_antennas_tx; aa++) { s_re[aa][i] = ((double)(((short *)&UE->common_vars.txdata[aa][slot_offset]))[(i<<1)]); s_im[aa][i] = ((double)(((short *)&UE->common_vars.txdata[aa][slot_offset]))[(i<<1)+1]); } } - - if (UE2gNB->max_Doppler == 0) { - multipath_channel(UE2gNB, s_re, s_im, r_re, r_im, slot_length, 0, (n_trials==1)?1:0); + // The multipath_channel() function calculates a channel matrix with only 1's. So the channel rank is 1, and we + // cannot use multi-layer. To solve this issue, for now we use the H_awgn_mimo matrix for multi-layer. + if (precod_nbr_layers == 1) { + if (UE2gNB->max_Doppler == 0) { + multipath_channel(UE2gNB, s_re, s_im, r_re, r_im, slot_length, 0, (n_trials==1)?1:0); + } else { + multipath_tv_channel(UE2gNB, s_re, s_im, r_re, r_im, 2*slot_length, 0); + } } else { - multipath_tv_channel(UE2gNB, s_re, s_im, r_re, r_im, 2*slot_length, 0); + double H_awgn_mimo[4][4] ={{1.0, 0.2, 0.1, 0.05}, //rx 0 + {0.2, 1.0, 0.2, 0.1}, //rx 1 + {0.1, 0.2, 1.0, 0.2}, //rx 2 + {0.05, 0.1, 0.2, 1.0}}; //rx 3 + for (i=0; inb_antennas_rx; ap++) { + // sum up signals from different Tx antennas + r_re[ap][i] = 0; + r_im[ap][i] = 0; + for (int aa=0; aanb_antennas_rx; ap++) { ((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 @@ -1276,7 +1307,7 @@ int main(int argc, char **argv) pusch_pdu->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 ); + LOG_D(PHY,"[ULSIM] PTRS Symbols in a slot: %2u, RE per Symbol: %3u, RE in a slot %4d\n", ptrsSymbPerSlot,ptrsRePerSymb, ptrsSymbPerSlot*ptrsRePerSymb ); } //////////////////////////////////////////////////////////// @@ -1286,130 +1317,152 @@ int main(int argc, char **argv) gNB->UL_INFO.rx_ind.number_of_pdus = 0; gNB->UL_INFO.crc_ind.number_crcs = 0; - phy_procedures_gNB_common_RX(gNB, frame, slot); + phy_procedures_gNB_common_RX(gNB, frame, slot); - ul_proc_error = phy_procedures_gNB_uespec_RX(gNB, frame, slot); + ul_proc_error = phy_procedures_gNB_uespec_RX(gNB, frame, slot); - if (n_trials==1 && round==0) { - LOG_M("rxsig0.m","rx0",&gNB->common_vars.rxdata[0][slot_offset],slot_length,1,1); - - LOG_M("rxsigF0.m","rxsF0",gNB->common_vars.rxdataF[0]+start_symbol*frame_parms->ofdm_symbol_size,nb_symb_sch*frame_parms->ofdm_symbol_size,1,1); - - } - - - if (n_trials == 1 && round==0) { -#ifdef __AVX2__ - __attribute__((unused)) - int off = ((nb_rb&1) == 1)? 4:0; -#else - __attribute__((unused)) - int off = 0; -#endif - - LOG_M("rxsigF0_ext.m","rxsF0_ext", - &gNB->pusch_vars[0]->rxdataF_ext[0][start_symbol*NR_NB_SC_PER_RB * pusch_pdu->rb_size],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_M("chestF0.m","chF0", - &gNB->pusch_vars[0]->ul_ch_estimates[0][start_symbol*frame_parms->ofdm_symbol_size],frame_parms->ofdm_symbol_size,1,1); - LOG_M("chestT0.m","chT0", - &gNB->pusch_vars[0]->ul_ch_estimates_time[0][0],frame_parms->ofdm_symbol_size,1,1); - LOG_M("chestF0_ext.m","chF0_ext", - &gNB->pusch_vars[0]->ul_ch_estimates_ext[0][(start_symbol+1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))], - (nb_symb_sch-1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_M("rxsigF0_comp.m","rxsF0_comp", - &gNB->pusch_vars[0]->rxdataF_comp[0][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_M("chmagF0.m","chmF0", - &gNB->pusch_vars[0]->ul_ch_mag[0][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_M("chmagbF0.m","chmbF0", - &gNB->pusch_vars[0]->ul_ch_magb[0][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - if (n_rx == 2) { - LOG_MM("rxsigF0_comp.m","rxsF1_comp", - &gNB->pusch_vars[0]->rxdataF_comp[1][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("rxsigF0_ext.m","rxsF1_ext", - &gNB->pusch_vars[0]->rxdataF_ext[1][start_symbol*NR_NB_SC_PER_RB * pusch_pdu->rb_size],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("chestF0_ext.m","chF1_ext", - &gNB->pusch_vars[0]->ul_ch_estimates_ext[1][(start_symbol+1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))], - (nb_symb_sch-1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("chmagF0.m","chmF1", - &gNB->pusch_vars[0]->ul_ch_mag[1][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("chmagbF0.m","chmbF1", - &gNB->pusch_vars[0]->ul_ch_magb[1][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - } else if (n_rx == 4) { - LOG_MM("rxsigF0_comp.m","rxsF1_comp", - &gNB->pusch_vars[0]->rxdataF_comp[1][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("rxsigF0_comp.m","rxsF2_comp", - &gNB->pusch_vars[0]->rxdataF_comp[2][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("rxsigF0_comp.m","rxsF3_comp", - &gNB->pusch_vars[0]->rxdataF_comp[3][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("rxsigF0_ext.m","rxsF1_ext", - &gNB->pusch_vars[0]->rxdataF_ext[1][start_symbol*NR_NB_SC_PER_RB * pusch_pdu->rb_size],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("rxsigF0_ext.m","rxsF2_ext", - &gNB->pusch_vars[0]->rxdataF_ext[2][start_symbol*NR_NB_SC_PER_RB * pusch_pdu->rb_size],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("rxsigF0_ext.m","rxsF3_ext", - &gNB->pusch_vars[0]->rxdataF_ext[3][start_symbol*NR_NB_SC_PER_RB * pusch_pdu->rb_size],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("chestF0_ext.m","chF1_ext", - &gNB->pusch_vars[0]->ul_ch_estimates_ext[1][(start_symbol+1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))], - (nb_symb_sch-1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("chestF0_ext.m","chF2_ext", - &gNB->pusch_vars[0]->ul_ch_estimates_ext[2][(start_symbol+1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))], - (nb_symb_sch-1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("chestF0_ext.m","chF3_ext", - &gNB->pusch_vars[0]->ul_ch_estimates_ext[3][(start_symbol+1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))], - (nb_symb_sch-1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("chmagF0.m","chmF1", - &gNB->pusch_vars[0]->ul_ch_mag[1][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("chmagF0.m","chmF2", - &gNB->pusch_vars[0]->ul_ch_mag[2][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("chmagF0.m","chmF3", - &gNB->pusch_vars[0]->ul_ch_mag[3][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("chmagbF0.m","chmbF1", - &gNB->pusch_vars[0]->ul_ch_magb[1][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("chmagbF0.m","chmbF2", - &gNB->pusch_vars[0]->ul_ch_magb[2][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); - LOG_MM("chmagbF0.m","chmbF3", - &gNB->pusch_vars[0]->ul_ch_magb[3][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + if (n_trials==1 && round==0) { + LOG_M("rxsig0.m","rx0",&gNB->common_vars.rxdata[0][slot_offset],slot_length,1,1); + LOG_M("rxsigF0.m","rxsF0",gNB->common_vars.rxdataF[0],14*frame_parms->ofdm_symbol_size,1,1); + if (precod_nbr_layers > 1) { + LOG_M("rxsig1.m","rx1",&gNB->common_vars.rxdata[1][slot_offset],slot_length,1,1); + LOG_M("rxsigF1.m","rxsF1",gNB->common_vars.rxdataF[1],14*frame_parms->ofdm_symbol_size,1,1); + if (precod_nbr_layers==4) { + LOG_M("rxsig2.m","rx2",&gNB->common_vars.rxdata[2][slot_offset],slot_length,1,1); + LOG_M("rxsig3.m","rx3",&gNB->common_vars.rxdata[3][slot_offset],slot_length,1,1); + LOG_M("rxsigF2.m","rxsF2",gNB->common_vars.rxdataF[2],14*frame_parms->ofdm_symbol_size,1,1); + LOG_M("rxsigF3.m","rxsF3",gNB->common_vars.rxdataF[3],14*frame_parms->ofdm_symbol_size,1,1); + } + } } - LOG_M("rxsigF0_llr.m","rxsF0_llr", - &gNB->pusch_vars[0]->llr[0],(nb_symb_sch-1)*NR_NB_SC_PER_RB * pusch_pdu->rb_size * mod_order,1,0); - } + + if (n_trials == 1 && round==0) { +#ifdef __AVX2__ + __attribute__((unused)) + int off = ((nb_rb&1) == 1)? 4:0; +#else + __attribute__((unused)) + int off = 0; +#endif + + LOG_M("rxsigF0_ext.m","rxsF0_ext", + &gNB->pusch_vars[0]->rxdataF_ext[0][start_symbol*NR_NB_SC_PER_RB * pusch_pdu->rb_size],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + LOG_M("chestF0.m","chF0", + &gNB->pusch_vars[0]->ul_ch_estimates[0][start_symbol*frame_parms->ofdm_symbol_size],frame_parms->ofdm_symbol_size,1,1); + LOG_M("chestT0.m","chT0", + &gNB->pusch_vars[0]->ul_ch_estimates_time[0][0],frame_parms->ofdm_symbol_size,1,1); + LOG_M("chestF0_ext.m","chF0_ext", + &gNB->pusch_vars[0]->ul_ch_estimates_ext[0][(start_symbol+1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))], + (nb_symb_sch-1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + LOG_M("rxsigF0_comp.m","rxsF0_comp", + &gNB->pusch_vars[0]->rxdataF_comp[0][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + LOG_M("chmagF0.m","chmF0", + &gNB->pusch_vars[0]->ul_ch_mag[0][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + LOG_M("chmagbF0.m","chmbF0", + &gNB->pusch_vars[0]->ul_ch_magb[0][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + LOG_M("rxsigF0_llrlayers0.m","rxsF0_llrlayers0", + &gNB->pusch_vars[0]->llr_layers[0][0],(nb_symb_sch-1)*NR_NB_SC_PER_RB * pusch_pdu->rb_size * mod_order,1,0); + + if (precod_nbr_layers==2) { + LOG_M("rxsigF1_ext.m","rxsF1_ext", + &gNB->pusch_vars[0]->rxdataF_ext[1][start_symbol*NR_NB_SC_PER_RB * pusch_pdu->rb_size],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + + LOG_M("chestF3.m","chF3", + &gNB->pusch_vars[0]->ul_ch_estimates[3][start_symbol*frame_parms->ofdm_symbol_size],frame_parms->ofdm_symbol_size,1,1); + + LOG_M("chestF3_ext.m","chF3_ext", + &gNB->pusch_vars[0]->ul_ch_estimates_ext[3][(start_symbol+1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))], + (nb_symb_sch-1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + + LOG_M("rxsigF2_comp.m","rxsF2_comp", + &gNB->pusch_vars[0]->rxdataF_comp[2][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + + LOG_M("rxsigF0_llrlayers1.m","rxsF0_llrlayers1", + &gNB->pusch_vars[0]->llr_layers[1][0],(nb_symb_sch-1)*NR_NB_SC_PER_RB * pusch_pdu->rb_size * mod_order,1,0); + + } + + if (precod_nbr_layers==4) { + LOG_M("rxsigF1_ext.m","rxsF1_ext", + &gNB->pusch_vars[0]->rxdataF_ext[1][start_symbol*NR_NB_SC_PER_RB * pusch_pdu->rb_size],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + LOG_M("rxsigF2_ext.m","rxsF2_ext", + &gNB->pusch_vars[0]->rxdataF_ext[2][start_symbol*NR_NB_SC_PER_RB * pusch_pdu->rb_size],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + LOG_M("rxsigF3_ext.m","rxsF3_ext", + &gNB->pusch_vars[0]->rxdataF_ext[3][start_symbol*NR_NB_SC_PER_RB * pusch_pdu->rb_size],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + + LOG_M("chestF5.m","chF5", + &gNB->pusch_vars[0]->ul_ch_estimates[5][start_symbol*frame_parms->ofdm_symbol_size],frame_parms->ofdm_symbol_size,1,1); + LOG_M("chestF10.m","chF10", + &gNB->pusch_vars[0]->ul_ch_estimates[10][start_symbol*frame_parms->ofdm_symbol_size],frame_parms->ofdm_symbol_size,1,1); + LOG_M("chestF15.m","chF15", + &gNB->pusch_vars[0]->ul_ch_estimates[15][start_symbol*frame_parms->ofdm_symbol_size],frame_parms->ofdm_symbol_size,1,1); + + + LOG_M("chestF5_ext.m","chF5_ext", + &gNB->pusch_vars[0]->ul_ch_estimates_ext[5][(start_symbol+1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))], + (nb_symb_sch-1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + LOG_M("chestF10_ext.m","chF10_ext", + &gNB->pusch_vars[0]->ul_ch_estimates_ext[10][(start_symbol+1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))], + (nb_symb_sch-1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + LOG_M("chestF15_ext.m","chF15_ext", + &gNB->pusch_vars[0]->ul_ch_estimates_ext[15][(start_symbol+1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))], + (nb_symb_sch-1)*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + + + LOG_M("rxsigF4_comp.m","rxsF4_comp", + &gNB->pusch_vars[0]->rxdataF_comp[4][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + LOG_M("rxsigF8_comp.m","rxsF8_comp", + &gNB->pusch_vars[0]->rxdataF_comp[8][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + LOG_M("rxsigF12_comp.m","rxsF12_comp", + &gNB->pusch_vars[0]->rxdataF_comp[12][start_symbol*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size))],nb_symb_sch*(off+(NR_NB_SC_PER_RB * pusch_pdu->rb_size)),1,1); + LOG_M("rxsigF0_llrlayers1.m","rxsF0_llrlayers1", + &gNB->pusch_vars[0]->llr_layers[1][0],(nb_symb_sch-1)*NR_NB_SC_PER_RB * pusch_pdu->rb_size * mod_order,1,0); + LOG_M("rxsigF0_llrlayers2.m","rxsF0_llrlayers2", + &gNB->pusch_vars[0]->llr_layers[2][0],(nb_symb_sch-1)*NR_NB_SC_PER_RB * pusch_pdu->rb_size * mod_order,1,0); + LOG_M("rxsigF0_llrlayers3.m","rxsF0_llrlayers3", + &gNB->pusch_vars[0]->llr_layers[3][0],(nb_symb_sch-1)*NR_NB_SC_PER_RB * pusch_pdu->rb_size * mod_order,1,0); + } + + LOG_M("rxsigF0_llr.m","rxsF0_llr", + &gNB->pusch_vars[0]->llr[0],precod_nbr_layers*(nb_symb_sch-1)*NR_NB_SC_PER_RB * pusch_pdu->rb_size * mod_order,1,0); + } //////////////////////////////////////////////////////////// - if ((gNB->ulsch[0]->last_iteration_cnt >= - gNB->ulsch[0]->max_ldpc_iterations+1) || ul_proc_error == 1) { - error_flag = 1; - n_errors[round][snrRun]++; - crc_status = 1; - } else { - crc_status = 0; - } - if(n_trials==1) printf("end of round %d rv_index %d\n",round, rv_index); + if ((gNB->ulsch[0]->last_iteration_cnt >= + gNB->ulsch[0]->max_ldpc_iterations+1) || ul_proc_error == 1) { + error_flag = 1; + n_errors[round][snrRun]++; + crc_status = 1; + } else + crc_status = 0; + if(n_trials==1) printf("end of round %d rv_index %d\n",round, rv_index); - //---------------------------------------------------------- - //----------------- count and print errors ----------------- - //---------------------------------------------------------- + //---------------------------------------------------------- + //----------------- count and print errors ----------------- + //---------------------------------------------------------- - if ((pusch_pdu->pdu_bit_map & PUSCH_PDU_BITMAP_PUSCH_PTRS) && (SNR==snr0) && (trial==0) && (round==0)) { - ptrs_symbols = 0; - for (int i = pusch_pdu->start_symbol_index; i < pusch_pdu->start_symbol_index + pusch_pdu->nr_of_symbols; i++){ - ptrs_symbols += ((gNB->pusch_vars[UE_id]->ptrs_symbols) >> i) & 1; - } - /* 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("[ULSIM][PTRS] Available bits are: %5u, removed PTRS bits are: %5d \n",available_bits, (ptrsSymbPerSlot * ptrsRePerSymb * 2) ); - } + if ((pusch_pdu->pdu_bit_map & PUSCH_PDU_BITMAP_PUSCH_PTRS) && (SNR==snr0) && (trial==0) && (round==0)) { + ptrs_symbols = 0; + for (int i = pusch_pdu->start_symbol_index; i < pusch_pdu->start_symbol_index + pusch_pdu->nr_of_symbols; i++) + ptrs_symbols += ((gNB->pusch_vars[UE_id]->ptrs_symbols) >> i) & 1; - for (i = 0; i < available_bits; i++) { - - if(((ulsch_ue->harq_processes[harq_pid]->f[i] == 0) && (gNB->pusch_vars[UE_id]->llr[i] <= 0)) || - ((ulsch_ue->harq_processes[harq_pid]->f[i] == 1) && (gNB->pusch_vars[UE_id]->llr[i] >= 0))) - { - /*if(errors_scrambling == 0) - printf("\x1B[34m" "[frame %d][trial %d]\t1st bit in error in unscrambling = %d\n" "\x1B[0m", frame, trial, i);*/ - errors_scrambling[round][snrRun]++; - } - } - round++; + /* 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("[ULSIM][PTRS] Available bits are: %5u, removed PTRS bits are: %5d \n",available_bits, (ptrsSymbPerSlot * ptrsRePerSymb * 2) ); + } + + for (i = 0; i < available_bits; i++) { + + if(((ulsch_ue->harq_processes[harq_pid]->f[i] == 0) && (gNB->pusch_vars[UE_id]->llr[i] <= 0)) || + ((ulsch_ue->harq_processes[harq_pid]->f[i] == 1) && (gNB->pusch_vars[UE_id]->llr[i] >= 0))) { + + /*if(errors_scrambling == 0) + printf("\x1B[34m" "[frame %d][trial %d]\t1st bit in error in unscrambling = %d\n" "\x1B[0m", frame, trial, i);*/ + errors_scrambling[round][snrRun]++; + } + } + round++; } // round diff --git a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c index 04877b292f..e7439d34e9 100644 --- a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c +++ b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c @@ -33,6 +33,7 @@ #include "LAYER2/NR_MAC_gNB/mac_proto.h" #include "common/utils/nr/nr_common.h" #include +#include #define reserved 0xffff @@ -2590,6 +2591,30 @@ uint8_t get_transformPrecoding(const NR_BWP_UplinkCommon_t *initialUplinkBWP, return -1; } +uint8_t get_pusch_nb_antenna_ports(NR_PUSCH_Config_t *pusch_Config, + NR_SRS_Config_t *srs_config, + dci_field_t srs_resource_indicator) { + + uint8_t n_antenna_port = 1; + if (get_softmodem_params()->phy_test == 1) { + // temporary hack to allow UL-MIMO in phy-test mode without SRS + n_antenna_port = *pusch_Config->maxRank; + } + else { + if(srs_config != NULL && srs_resource_indicator.nbits > 0) { + for(int rs = 0; rs < srs_config->srs_ResourceSetToAddModList->list.count; rs++) { + NR_SRS_ResourceSet_t *srs_resource_set = srs_config->srs_ResourceSetToAddModList->list.array[rs]; + if(srs_resource_set->usage == NR_SRS_ResourceSet__usage_codebook) { + NR_SRS_Resource_t *srs_resource = srs_config->srs_ResourceToAddModList->list.array[srs_resource_indicator.val]; + AssertFatal(srs_resource != NULL,"SRS resource indicated by DCI does not exist\n"); + n_antenna_port = 1<nrofSRS_Ports; + } + } + } + } + return n_antenna_port; +} + uint16_t nr_dci_size(const NR_BWP_DownlinkCommon_t *initialDownlinkBWP, const NR_BWP_UplinkCommon_t *initialUplinkBWP, const NR_CellGroupConfig_t *cg, @@ -2604,17 +2629,16 @@ uint16_t nr_dci_size(const NR_BWP_DownlinkCommon_t *initialDownlinkBWP, uint16_t numRBG = 0; long rbg_size_config; int num_entries = 0; - int pusch_antenna_ports = 1; // TODO hardcoded number of antenna ports for pusch const NR_BWP_DownlinkDedicated_t *bwpd = NULL; const NR_BWP_UplinkDedicated_t *ubwpd = NULL; const NR_BWP_DownlinkCommon_t *bwpc = NULL; const NR_BWP_UplinkCommon_t *ubwpc = NULL; - const NR_PDSCH_Config_t *pdsch_Config = NULL; - const NR_PUSCH_Config_t *pusch_Config = NULL; - const NR_PUCCH_Config_t *pucch_Config = NULL; - const NR_PDCCH_Config_t *pdcch_Config = NULL; - const NR_SRS_Config_t *srs_config = NULL; + NR_PDSCH_Config_t *pdsch_Config = NULL; + NR_PUSCH_Config_t *pusch_Config = NULL; + NR_PUCCH_Config_t *pucch_Config = NULL; + NR_PDCCH_Config_t *pdcch_Config = NULL; + NR_SRS_Config_t *srs_config = NULL; if(bwp_id > 0) { AssertFatal(cg!=NULL,"Cellgroup is null and bwp_id!=0"); bwpd=cg->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[bwp_id-1]->bwp_Dedicated; @@ -2773,6 +2797,9 @@ uint16_t nr_dci_size(const NR_BWP_DownlinkCommon_t *initialDownlinkBWP, LOG_D(NR_MAC,"dci_pdu->srs_resource_indicator.nbits %d\n",dci_pdu->srs_resource_indicator.nbits); // Precoding info and number of layers long transformPrecoder = get_transformPrecoding(initialUplinkBWP, pusch_Config, ubwpd, (uint8_t*)&format, rnti_type, 0); + + uint8_t pusch_antenna_ports = get_pusch_nb_antenna_ports(pusch_Config, srs_config, dci_pdu->srs_resource_indicator); + dci_pdu->precoding_information.nbits=0; if (pusch_Config && pusch_Config->txConfig != NULL){ diff --git a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h index d1becd41f9..161de27b73 100644 --- a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h +++ b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h @@ -155,6 +155,10 @@ void get_info_from_tda_tables(int default_abc, void fill_coresetZero(NR_ControlResourceSet_t *coreset0, NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config); void fill_searchSpaceZero(NR_SearchSpace_t *ss0, NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config); +uint8_t get_pusch_nb_antenna_ports(NR_PUSCH_Config_t *pusch_Config, + NR_SRS_Config_t *srs_config, + dci_field_t srs_resource_indicator); + uint16_t compute_pucch_prb_size(uint8_t format, uint8_t nr_prbs, uint16_t O_tot, diff --git a/openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c b/openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c index 3851ee011d..1c9ebf3eba 100644 --- a/openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c +++ b/openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c @@ -743,7 +743,7 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources, } else if (get_softmodem_params()->nsa) { - uint8_t mac_sdus[MAX_NR_ULSCH_PAYLOAD_BYTES]; + uint8_t mac_sdus[MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER*1056]; uint16_t sdu_lengths[NB_RB_MAX] = {0}; int TBS_bytes = 848; int mac_ce_len = 0; diff --git a/openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c b/openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c index 0afad893d7..868db25463 100644 --- a/openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c +++ b/openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c @@ -44,6 +44,7 @@ /* MAC */ #include "NR_MAC_COMMON/nr_mac.h" +#include "NR_MAC_COMMON/nr_mac_common.h" #include "NR_MAC_UE/mac_proto.h" #include "NR_MAC_UE/mac_extern.h" @@ -189,13 +190,16 @@ void ul_layers_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_con NR_ServingCellConfigCommon_t *scc = mac->scc; NR_BWP_UplinkDedicated_t *ubwpd=NULL; + NR_SRS_Config_t *srs_config = NULL; if (mac->cg && mac->cg->spCellConfig && mac->cg->spCellConfig->spCellConfigDedicated && mac->cg->spCellConfig->spCellConfigDedicated->uplinkConfig && - mac->cg->spCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP) + mac->cg->spCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP) { ubwpd = mac->cg->spCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP; + srs_config = mac->cg->spCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP->srs_Config->choice.setup; + } NR_PUSCH_Config_t *pusch_Config = mac->ULbwp[0] ? mac->ULbwp[0]->bwp_Dedicated->pusch_Config->choice.setup : @@ -212,7 +216,7 @@ void ul_layers_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_con else transformPrecoder = NR_PUSCH_Config__transformPrecoder_disabled; } - + pusch_config_pdu->transform_precoding = transformPrecoder; /* PRECOD_NBR_LAYERS */ if ((*pusch_Config->txConfig == NR_PUSCH_Config__txConfig_nonCodebook)); @@ -220,11 +224,14 @@ void ul_layers_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_con if ((*pusch_Config->txConfig == NR_PUSCH_Config__txConfig_codebook)){ - uint8_t n_antenna_port = 0; //FIXME!!! + // The UE shall transmit PUSCH using the same antenna port(s) as the SRS port(s) in the SRS resource indicated by the DCI format 0_1 + // 38.214 Section 6.1.1 + + uint8_t n_antenna_port = get_pusch_nb_antenna_ports(pusch_Config, srs_config, dci->srs_resource_indicator); if (n_antenna_port == 1); // 1 antenna port and the higher layer parameter txConfig = codebook 0 bits - if (n_antenna_port == 4){ // 4 antenna port and the higher layer parameter txConfig = codebook + if (n_antenna_port == 4) { // 4 antenna port and the higher layer parameter txConfig = codebook // Table 7.3.1.1.2-2: transformPrecoder=disabled and maxRank = 2 or 3 or 4 if ((transformPrecoder == NR_PUSCH_Config__transformPrecoder_disabled) @@ -234,54 +241,54 @@ void ul_layers_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_con if (*pusch_Config->codebookSubset == NR_PUSCH_Config__codebookSubset_fullyAndPartialAndNonCoherent) { pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][0]; - pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][1]; + pusch_config_pdu->Tpmi = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][1]; } if (*pusch_Config->codebookSubset == NR_PUSCH_Config__codebookSubset_partialAndNonCoherent){ pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][2]; - pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][3]; + pusch_config_pdu->Tpmi = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][3]; } if (*pusch_Config->codebookSubset == NR_PUSCH_Config__codebookSubset_nonCoherent){ pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][4]; - pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][5]; + pusch_config_pdu->Tpmi = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][5]; } } // Table 7.3.1.1.2-3: transformPrecoder= enabled, or transformPrecoder=disabled and maxRank = 1 if (((transformPrecoder == NR_PUSCH_Config__transformPrecoder_enabled) || (transformPrecoder == NR_PUSCH_Config__transformPrecoder_disabled)) - && (*pusch_Config->maxRank == 1)){ + && (*pusch_Config->maxRank == 1)) { if (*pusch_Config->codebookSubset == NR_PUSCH_Config__codebookSubset_fullyAndPartialAndNonCoherent) { pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][6]; - pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][7]; + pusch_config_pdu->Tpmi = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][7]; } if (*pusch_Config->codebookSubset == NR_PUSCH_Config__codebookSubset_partialAndNonCoherent){ pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][8]; - pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][9]; + pusch_config_pdu->Tpmi = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][9]; } if (*pusch_Config->codebookSubset == NR_PUSCH_Config__codebookSubset_nonCoherent){ pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][10]; - pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][11]; + pusch_config_pdu->Tpmi = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][11]; } } } - if (n_antenna_port == 4){ // 2 antenna port and the higher layer parameter txConfig = codebook + if (n_antenna_port == 2) { + // 2 antenna port and the higher layer parameter txConfig = codebook // Table 7.3.1.1.2-4: transformPrecoder=disabled and maxRank = 2 - if ((transformPrecoder == NR_PUSCH_Config__transformPrecoder_disabled) && (*pusch_Config->maxRank == 2)){ - + if ((transformPrecoder == NR_PUSCH_Config__transformPrecoder_disabled) && (*pusch_Config->maxRank == 2)) { if (*pusch_Config->codebookSubset == NR_PUSCH_Config__codebookSubset_fullyAndPartialAndNonCoherent) { pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][12]; - pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][13]; + pusch_config_pdu->Tpmi = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][13]; } if (*pusch_Config->codebookSubset == NR_PUSCH_Config__codebookSubset_nonCoherent){ pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][14]; - pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][15]; + pusch_config_pdu->Tpmi = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][15]; } } @@ -289,16 +296,16 @@ void ul_layers_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_con // Table 7.3.1.1.2-5: transformPrecoder= enabled, or transformPrecoder= disabled and maxRank = 1 if (((transformPrecoder == NR_PUSCH_Config__transformPrecoder_enabled) || (transformPrecoder == NR_PUSCH_Config__transformPrecoder_disabled)) - && (*pusch_Config->maxRank == 1)){ + && (*pusch_Config->maxRank == 1)) { if (*pusch_Config->codebookSubset == NR_PUSCH_Config__codebookSubset_fullyAndPartialAndNonCoherent) { pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][16]; - pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][17]; + pusch_config_pdu->Tpmi = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][17]; } if (*pusch_Config->codebookSubset == NR_PUSCH_Config__codebookSubset_nonCoherent){ pusch_config_pdu->nrOfLayers = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][18]; - pusch_config_pdu->transform_precoding = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][19]; + pusch_config_pdu->Tpmi = table_7_3_1_1_2_2_3_4_5[dci->precoding_information.val][19]; } } @@ -307,9 +314,9 @@ void ul_layers_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_con /*-------------------- Changed to enable Transform precoding in RF SIM------------------------------------------------*/ - /*if (pusch_config_pdu->transform_precoding == transform_precoder_enabled) { + /*if (pusch_config_pdu->transformPrecoder == transformPrecoder_enabled) { - pusch_config_dedicated->transform_precoder = transform_precoder_enabled; + pusch_config_dedicated->transform_precoder = transformPrecoder_enabled; if(pusch_Config->dmrs_UplinkForPUSCH_MappingTypeA != NULL) { @@ -331,14 +338,13 @@ void ul_layers_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_con } } else - pusch_config_dedicated->transform_precoder = transform_precoder_disabled;*/ + pusch_config_dedicated->transformPrecoder = ttransformPrecoder_disabled;*/ } // todo: this function shall be reviewed completely because of the many comments left by the author -void ul_ports_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_config_pdu, dci_pdu_rel15_t *dci) { +void ul_ports_config(NR_UE_MAC_INST_t *mac, int *n_front_load_symb, nfapi_nr_ue_pusch_pdu_t *pusch_config_pdu, dci_pdu_rel15_t *dci) { - /* ANTENNA_PORTS */ - uint8_t rank = 1; // We need to initialize rank FIXME!!! + uint8_t rank = pusch_config_pdu->nrOfLayers; NR_ServingCellConfigCommon_t *scc = mac->scc; NR_BWP_UplinkDedicated_t *ubwpd=NULL; @@ -375,51 +381,44 @@ void ul_ports_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_conf dmrs_type = pusch_Config->dmrs_UplinkForPUSCH_MappingTypeB->choice.setup->dmrs_Type; } - LOG_D(NR_MAC,"MappingType%s max_length %s, dmrs_type %s, antenna_ports %d\n",pusch_Config->dmrs_UplinkForPUSCH_MappingTypeA?"A":"B",max_length?"len2":"len1",dmrs_type?"type2":"type1",dci->antenna_ports.val); + LOG_D(NR_MAC,"MappingType%s max_length %s, dmrs_type %s, antenna_ports %d\n", + pusch_Config->dmrs_UplinkForPUSCH_MappingTypeA?"A":"B",max_length?"len2":"len1",dmrs_type?"type2":"type1",dci->antenna_ports.val); + if ((transformPrecoder == NR_PUSCH_Config__transformPrecoder_enabled) && - (dmrs_type == NULL) && (max_length == NULL)) { // tables 7.3.1.1.2-6 - pusch_config_pdu->num_dmrs_cdm_grps_no_data = 2; //TBC - pusch_config_pdu->dmrs_ports = dci->antenna_ports.val; //TBC + (dmrs_type == NULL) && (max_length == NULL)) { // tables 7.3.1.1.2-6 + pusch_config_pdu->num_dmrs_cdm_grps_no_data = 2; + pusch_config_pdu->dmrs_ports = 1<antenna_ports.val; } if ((transformPrecoder == NR_PUSCH_Config__transformPrecoder_enabled) && - (dmrs_type == NULL) && (max_length != NULL)) { // tables 7.3.1.1.2-7 + (dmrs_type == NULL) && (max_length != NULL)) { // tables 7.3.1.1.2-7 pusch_config_pdu->num_dmrs_cdm_grps_no_data = 2; //TBC - pusch_config_pdu->dmrs_ports = (dci->antenna_ports.val > 3)?(dci->antenna_ports.val-4):(dci->antenna_ports.val); //TBC - //pusch_config_pdu->n_front_load_symb = (dci->antenna_ports > 3)?2:1; //FIXME + pusch_config_pdu->dmrs_ports = 1<<((dci->antenna_ports.val > 3)?(dci->antenna_ports.val-4):(dci->antenna_ports.val)); + *n_front_load_symb = (dci->antenna_ports.val > 3)?2:1; } if ((transformPrecoder == NR_PUSCH_Config__transformPrecoder_disabled) && (dmrs_type == NULL) && (max_length == NULL)) { // tables 7.3.1.1.2-8/9/10/11 - + if (rank == 1) { - pusch_config_pdu->num_dmrs_cdm_grps_no_data = (dci->antenna_ports.val > 1)?2:1; //TBC - pusch_config_pdu->dmrs_ports = (dci->antenna_ports.val > 1)?(dci->antenna_ports.val-2):(dci->antenna_ports.val); //TBC + pusch_config_pdu->num_dmrs_cdm_grps_no_data = (dci->antenna_ports.val > 1)?2:1; + pusch_config_pdu->dmrs_ports =1<<((dci->antenna_ports.val > 1)?(dci->antenna_ports.val-2):(dci->antenna_ports.val)); } if (rank == 2){ - pusch_config_pdu->num_dmrs_cdm_grps_no_data = (dci->antenna_ports.val > 0)?2:1; //TBC - pusch_config_pdu->dmrs_ports = 0; //FIXME - //pusch_config_pdu->dmrs_ports[0] = (dci->antenna_ports > 1)?(dci->antenna_ports > 2 ?0:2):0; - //pusch_config_pdu->dmrs_ports[1] = (dci->antenna_ports > 1)?(dci->antenna_ports > 2 ?2:3):1; + pusch_config_pdu->num_dmrs_cdm_grps_no_data = (dci->antenna_ports.val > 0)?2:1; + pusch_config_pdu->dmrs_ports = (dci->antenna_ports.val > 1)?((dci->antenna_ports.val> 2)?0x5:0xc):0x3; } if (rank == 3){ - pusch_config_pdu->num_dmrs_cdm_grps_no_data = 2; //TBC - pusch_config_pdu->dmrs_ports = 0; //FIXME - //pusch_config_pdu->dmrs_ports[0] = 0; - //pusch_config_pdu->dmrs_ports[1] = 1; - //pusch_config_pdu->dmrs_ports[2] = 2; + pusch_config_pdu->num_dmrs_cdm_grps_no_data = 2; + pusch_config_pdu->dmrs_ports = 0x7; // ports 0-2 } if (rank == 4){ - pusch_config_pdu->num_dmrs_cdm_grps_no_data = 2; //TBC - pusch_config_pdu->dmrs_ports = 0; //FIXME - //pusch_config_pdu->dmrs_ports[0] = 0; - //pusch_config_pdu->dmrs_ports[1] = 1; - //pusch_config_pdu->dmrs_ports[2] = 2; - //pusch_config_pdu->dmrs_ports[3] = 3; + pusch_config_pdu->num_dmrs_cdm_grps_no_data = 2; + pusch_config_pdu->dmrs_ports = 0xf; // ports 0-3 } } @@ -428,8 +427,8 @@ void ul_ports_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_conf if (rank == 1){ pusch_config_pdu->num_dmrs_cdm_grps_no_data = (dci->antenna_ports.val > 1)?2:1; //TBC - pusch_config_pdu->dmrs_ports = (dci->antenna_ports.val > 1)?(dci->antenna_ports.val > 5 ?(dci->antenna_ports.val-6):(dci->antenna_ports.val-2)):dci->antenna_ports.val; //TBC - //pusch_config_pdu->n_front_load_symb = (dci->antenna_ports.val > 6)?2:1; //FIXME + pusch_config_pdu->dmrs_ports = 1<<((dci->antenna_ports.val > 1)?(dci->antenna_ports.val > 5 ?(dci->antenna_ports.val-6):(dci->antenna_ports.val-2)):dci->antenna_ports.val); + *n_front_load_symb = (dci->antenna_ports.val > 6)?2:1; } if (rank == 2){ @@ -437,7 +436,7 @@ void ul_ports_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_conf pusch_config_pdu->dmrs_ports = 0; //FIXME //pusch_config_pdu->dmrs_ports[0] = table_7_3_1_1_2_13[dci->antenna_ports.val][1]; //pusch_config_pdu->dmrs_ports[1] = table_7_3_1_1_2_13[dci->antenna_ports.val][2]; - //pusch_config_pdu->n_front_load_symb = (dci->antenna_ports.val > 3)?2:1; // FIXME + //n_front_load_symb = (dci->antenna_ports.val > 3)?2:1; // FIXME } if (rank == 3){ @@ -446,7 +445,7 @@ void ul_ports_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_conf //pusch_config_pdu->dmrs_ports[0] = table_7_3_1_1_2_14[dci->antenna_ports.val][1]; //pusch_config_pdu->dmrs_ports[1] = table_7_3_1_1_2_14[dci->antenna_ports.val][2]; //pusch_config_pdu->dmrs_ports[2] = table_7_3_1_1_2_14[dci->antenna_ports.val][3]; - //pusch_config_pdu->n_front_load_symb = (dci->antenna_ports.val > 1)?2:1; //FIXME + //n_front_load_symb = (dci->antenna_ports.val > 1)?2:1; //FIXME } if (rank == 4){ @@ -456,7 +455,7 @@ void ul_ports_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_conf //pusch_config_pdu->dmrs_ports[1] = table_7_3_1_1_2_15[dci->antenna_ports.val][2]; //pusch_config_pdu->dmrs_ports[2] = table_7_3_1_1_2_15[dci->antenna_ports.val][3]; //pusch_config_pdu->dmrs_ports[3] = table_7_3_1_1_2_15[dci->antenna_ports.val][4]; - //pusch_config_pdu->n_front_load_symb = (dci->antenna_ports.val > 1)?2:1; //FIXME + //n_front_load_symb = (dci->antenna_ports.val > 1)?2:1; //FIXME } } @@ -500,7 +499,7 @@ void ul_ports_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_conf if (rank == 1){ pusch_config_pdu->num_dmrs_cdm_grps_no_data = table_7_3_1_1_2_20[dci->antenna_ports.val][0]; //TBC pusch_config_pdu->dmrs_ports = table_7_3_1_1_2_20[dci->antenna_ports.val][1]; //TBC - //pusch_config_pdu->n_front_load_symb = table_7_3_1_1_2_20[dci->antenna_ports.val][2]; //FIXME + //n_front_load_symb = table_7_3_1_1_2_20[dci->antenna_ports.val][2]; //FIXME } if (rank == 2){ @@ -508,7 +507,7 @@ void ul_ports_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_conf pusch_config_pdu->dmrs_ports = 0; //FIXME //pusch_config_pdu->dmrs_ports[0] = table_7_3_1_1_2_21[dci->antenna_ports.val][1]; //pusch_config_pdu->dmrs_ports[1] = table_7_3_1_1_2_21[dci->antenna_ports.val][2]; - //pusch_config_pdu->n_front_load_symb = table_7_3_1_1_2_21[dci->antenna_ports.val][3]; //FIXME + //n_front_load_symb = table_7_3_1_1_2_21[dci->antenna_ports.val][3]; //FIXME } if (rank == 3){ @@ -517,7 +516,7 @@ void ul_ports_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_conf //pusch_config_pdu->dmrs_ports[0] = table_7_3_1_1_2_22[dci->antenna_ports.val][1]; //pusch_config_pdu->dmrs_ports[1] = table_7_3_1_1_2_22[dci->antenna_ports.val][2]; //pusch_config_pdu->dmrs_ports[2] = table_7_3_1_1_2_22[dci->antenna_ports.val][3]; - //pusch_config_pdu->n_front_load_symb = table_7_3_1_1_2_22[dci->antenna_ports.val][4]; //FIXME + //n_front_load_symb = table_7_3_1_1_2_22[dci->antenna_ports.val][4]; //FIXME } if (rank == 4){ @@ -527,7 +526,7 @@ void ul_ports_config(NR_UE_MAC_INST_t * mac, nfapi_nr_ue_pusch_pdu_t *pusch_conf //pusch_config_pdu->dmrs_ports[1] = table_7_3_1_1_2_23[dci->antenna_ports.val][2]; //pusch_config_pdu->dmrs_ports[2] = table_7_3_1_1_2_23[dci->antenna_ports.val][3]; //pusch_config_pdu->dmrs_ports[3] = table_7_3_1_1_2_23[dci->antenna_ports.val][4]; - //pusch_config_pdu->n_front_load_symb = table_7_3_1_1_2_23[dci->antenna_ports.val][5]; //FIXME + //n_front_load_symb = table_7_3_1_1_2_23[dci->antenna_ports.val][5]; //FIXME } } LOG_D(NR_MAC,"num_dmrs_cdm_grps_no_data %d, dmrs_ports %d\n",pusch_config_pdu->num_dmrs_cdm_grps_no_data,pusch_config_pdu->dmrs_ports); @@ -564,13 +563,14 @@ int nr_config_pusch_pdu(NR_UE_MAC_INST_t *mac, pusch_config_pdu->dmrs_config_type = pusch_dmrs_type1; pusch_config_pdu->pdu_bit_map = PUSCH_PDU_BITMAP_PUSCH_DATA; pusch_config_pdu->nrOfLayers = 1; + pusch_config_pdu->Tpmi = 0; pusch_config_pdu->rnti = rnti; NR_BWP_UplinkCommon_t *initialUplinkBWP; if (mac->scc) initialUplinkBWP = mac->scc->uplinkConfigCommon->initialUplinkBWP; else initialUplinkBWP = &mac->scc_SIB->uplinkConfigCommon->initialUplinkBWP; pusch_dmrs_AdditionalPosition_t add_pos = pusch_dmrs_pos2; - pusch_maxLength_t dmrslength = pusch_len1; + int dmrslength = 1; if (rar_grant) { @@ -717,7 +717,7 @@ int nr_config_pusch_pdu(NR_UE_MAC_INST_t *mac, target_ss = NR_SearchSpace__searchSpaceType_PR_ue_Specific; ul_layers_config(mac, pusch_config_pdu, dci); - ul_ports_config(mac, pusch_config_pdu, dci); + ul_ports_config(mac, &dmrslength, pusch_config_pdu, dci); } else { @@ -823,18 +823,19 @@ int nr_config_pusch_pdu(NR_UE_MAC_INST_t *mac, pusch_config_pdu->absolute_delta_PUSCH = 4; } - if (NR_DMRS_ulconfig != NULL) { + if (NR_DMRS_ulconfig != NULL) add_pos = (NR_DMRS_ulconfig->dmrs_AdditionalPosition == NULL) ? 2 : *NR_DMRS_ulconfig->dmrs_AdditionalPosition; - dmrslength = NR_DMRS_ulconfig->maxLength == NULL ? pusch_len1 : pusch_len2; - } /* DMRS */ l_prime_mask = get_l_prime(pusch_config_pdu->nr_of_symbols, mappingtype, add_pos, dmrslength, pusch_config_pdu->start_symbol_index, mac->scc ? mac->scc->dmrs_TypeA_Position : mac->mib->dmrs_TypeA_Position); - if ((mac->ULbwp[0] && pusch_config_pdu->transform_precoding == NR_PUSCH_Config__transformPrecoder_disabled)) - pusch_config_pdu->num_dmrs_cdm_grps_no_data = 1; + if (mac->ULbwp[0] && pusch_config_pdu->transform_precoding == NR_PUSCH_Config__transformPrecoder_disabled) { + if (*dci_format != NR_UL_DCI_FORMAT_0_1) { + pusch_config_pdu->num_dmrs_cdm_grps_no_data = 1; + } + } else if (*dci_format == NR_UL_DCI_FORMAT_0_0 || (mac->ULbwp[0] && pusch_config_pdu->transform_precoding == NR_PUSCH_Config__transformPrecoder_enabled)) pusch_config_pdu->num_dmrs_cdm_grps_no_data = 2; @@ -1076,6 +1077,7 @@ NR_UE_L2_STATE_t nr_ue_scheduler(nr_downlink_indication_t *dl_info, nr_uplink_in fill_scheduled_response(&scheduled_response, &dcireq.dl_config_req, NULL, NULL, mod_id, cc_id, rx_frame, rx_slot, dl_info->thread_id, dl_info->phy_data); if(mac->if_module != NULL && mac->if_module->scheduled_response != NULL) + LOG_D(NR_MAC,"1# scheduled_response transmitted, %d, %d\n", rx_frame, rx_slot); mac->if_module->scheduled_response(&scheduled_response); } else { @@ -1201,6 +1203,7 @@ NR_UE_L2_STATE_t nr_ue_scheduler(nr_downlink_indication_t *dl_info, nr_uplink_in fill_scheduled_response(&scheduled_response, NULL, ul_config, &tx_req, mod_id, cc_id, frame_tx, slot_tx, ul_info->thread_id, NULL); if(mac->if_module != NULL && mac->if_module->scheduled_response != NULL){ + LOG_D(NR_MAC,"3# scheduled_response transmitted,%d, %d\n", frame_tx, slot_tx); mac->if_module->scheduled_response(&scheduled_response); } pthread_mutex_lock(&ul_config->mutex_ul_config); diff --git a/openair2/LAYER2/NR_MAC_gNB/config.c b/openair2/LAYER2/NR_MAC_gNB/config.c index 9dff368ccc..ad463a07a2 100644 --- a/openair2/LAYER2/NR_MAC_gNB/config.c +++ b/openair2/LAYER2/NR_MAC_gNB/config.c @@ -416,8 +416,8 @@ void config_common(int Mod_idP, int ssb_SubcarrierOffset, rrc_pdsch_AntennaPorts cfg->carrier_config.num_rx_ant.value = pusch_AntennaPorts; AssertFatal(pusch_AntennaPorts > 0 && pusch_AntennaPorts < 13, "pusch_AntennaPorts in 1...12\n"); cfg->carrier_config.num_rx_ant.tl.tag = NFAPI_NR_CONFIG_NUM_RX_ANT_TAG; - LOG_I(NR_MAC,"Set TX/RX antenna number to %d (num ssb %d: %x,%x)\n", - cfg->carrier_config.num_tx_ant.value,num_ssb,cfg->ssb_table.ssb_mask_list[0].ssb_mask.value,cfg->ssb_table.ssb_mask_list[1].ssb_mask.value); + LOG_I(NR_MAC,"Set RX antenna number to %d, Set TX antenna number to %d (num ssb %d: %x,%x)\n", + cfg->carrier_config.num_tx_ant.value,cfg->carrier_config.num_rx_ant.value,num_ssb,cfg->ssb_table.ssb_mask_list[0].ssb_mask.value,cfg->ssb_table.ssb_mask_list[1].ssb_mask.value); AssertFatal(cfg->carrier_config.num_tx_ant.value > 0,"carrier_config.num_tx_ant.value %d !\n",cfg->carrier_config.num_tx_ant.value ); cfg->num_tlv++; cfg->num_tlv++; diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c index dc4aae2fe3..7a0e8a2bfb 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c @@ -1350,13 +1350,14 @@ void nr_schedule_ue_spec(module_id_t module_id, dci_payload.dmrs_sequence_initialization.val = pdsch_pdu->SCID; LOG_D(NR_MAC, "%4d.%2d DCI type 1 payload: freq_alloc %d (%d,%d,%d), " - "time_alloc %d, vrb to prb %d, mcs %d tb_scaling %d ndi %d rv %d tpc %d ti %d\n", + "nrOfLayers %d, time_alloc %d, vrb to prb %d, mcs %d tb_scaling %d ndi %d rv %d tpc %d ti %d\n", frame, slot, dci_payload.frequency_domain_assignment.val, pdsch_pdu->rbStart, pdsch_pdu->rbSize, pdsch_pdu->BWPSize, + pdsch_pdu->nrOfLayers, dci_payload.time_domain_assignment.val, dci_payload.vrb_to_prb_mapping.val, dci_payload.mcs, diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c index 5f23a40106..f6b9d6d5cf 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c @@ -412,6 +412,7 @@ void nr_preprocessor_phytest(module_id_t module_id, uint32_t target_ul_mcs = 9; uint32_t target_ul_bw = 50; +uint32_t target_ul_Nl = 1; uint64_t ulsch_slot_bitmap = (1 << 8); bool nr_ul_preprocessor_phytest(module_id_t module_id, frame_t frame, sub_frame_t slot) { @@ -455,15 +456,19 @@ bool nr_ul_preprocessor_phytest(module_id_t module_id, frame_t frame, sub_frame_ sched_ctrl->search_space->searchSpaceType->present == NR_SearchSpace__searchSpaceType_PR_ue_Specific) ? sched_ctrl->search_space->searchSpaceType->choice.ue_Specific->dci_Formats : 0; const int dci_format = f ? NR_UL_DCI_FORMAT_0_1 : NR_UL_DCI_FORMAT_0_0; - const uint8_t num_dmrs_cdm_grps_no_data = 1; + uint8_t num_dmrs_cdm_grps_no_data = 1; + if ((target_ul_Nl==4)||(target_ul_Nl==3)) + num_dmrs_cdm_grps_no_data = 2; + /* we want to avoid a lengthy deduction of DMRS and other parameters in * every TTI if we can save it, so check whether dci_format, TDA, or * num_dmrs_cdm_grps_no_data has changed and only then recompute */ NR_pusch_semi_static_t *ps = &sched_ctrl->pusch_semi_static; if (ps->time_domain_allocation != tda || ps->dci_format != dci_format + || ps->nrOfLayers != target_ul_Nl || ps->num_dmrs_cdm_grps_no_data != num_dmrs_cdm_grps_no_data) - nr_set_pusch_semi_static(NULL, scc, sched_ctrl->active_ubwp, NULL,dci_format, tda, num_dmrs_cdm_grps_no_data, ps); + nr_set_pusch_semi_static(NULL, scc, sched_ctrl->active_ubwp, NULL,dci_format, tda, num_dmrs_cdm_grps_no_data,target_ul_Nl,ps); uint16_t rbStart = 0; uint16_t rbSize; @@ -536,6 +541,7 @@ bool nr_ul_preprocessor_phytest(module_id_t module_id, frame_t frame, sub_frame_ sched_pusch->ul_harq_pid = sched_ctrl->retrans_ul_harq.head; /* Calculate TBS from MCS */ + ps->nrOfLayers = target_ul_Nl; sched_pusch->R = nr_get_code_rate_ul(mcs, ps->mcs_table); sched_pusch->Qm = nr_get_Qm_ul(mcs, ps->mcs_table); if (ps->pusch_Config->tp_pi2BPSK @@ -550,7 +556,7 @@ bool nr_ul_preprocessor_phytest(module_id_t module_id, frame_t frame, sub_frame_ ps->N_PRB_DMRS * ps->num_dmrs_symb, 0, // nb_rb_oh 0, - 1 /* NrOfLayers */) + ps->nrOfLayers /* NrOfLayers */) >> 3; /* mark the corresponding RBs as used */ diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c index 3f7a908395..be3c2beb26 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c @@ -667,7 +667,9 @@ void nr_set_pusch_semi_static(const NR_SIB1_t *sib1, long dci_format, int tda, uint8_t num_dmrs_cdm_grps_no_data, + uint8_t nrOfLayers, NR_pusch_semi_static_t *ps) { + ps->dci_format = dci_format; ps->time_domain_allocation = tda; @@ -709,6 +711,7 @@ void nr_set_pusch_semi_static(const NR_SIB1_t *sib1, num_dmrs_cdm_grps_no_data = 2; // in case of transform precoding - no Data sent in DMRS symbol } + ps->nrOfLayers = nrOfLayers; ps->num_dmrs_cdm_grps_no_data = num_dmrs_cdm_grps_no_data; /* DMRS calculations */ @@ -1009,8 +1012,16 @@ void config_uldci(const NR_SIB1_t *sib1, "Non Codebook configuration non supported\n"); dci_pdu_rel15->srs_resource_indicator.val = 0; // taking resource 0 for SRS } + dci_pdu_rel15->precoding_information.val= 0; + if (pusch_pdu->nrOfLayers == 2) + dci_pdu_rel15->precoding_information.val = 4; + else if (pusch_pdu->nrOfLayers == 4) + dci_pdu_rel15->precoding_information.val = 11; + + // antenna_ports.val = 0 for transform precoder is disabled, dmrs-Type=1, maxLength=1, Rank=1/2/3/4 // Antenna Ports - dci_pdu_rel15->antenna_ports.val = 0; // TODO for now it is hardcoded, it should depends on cdm group no data and rank + dci_pdu_rel15->antenna_ports.val = 0; + // DMRS sequence initialization dci_pdu_rel15->dmrs_sequence_initialization.val = pusch_pdu->scid; break; @@ -1019,11 +1030,14 @@ void config_uldci(const NR_SIB1_t *sib1, } LOG_D(NR_MAC, - "%s() ULDCI type 0 payload: freq_alloc %d, time_alloc %d, freq_hop_flag %d, mcs %d tpc %d ndi %d rv %d\n", + "%s() ULDCI type 0 payload: dci_format %d, freq_alloc %d, time_alloc %d, freq_hop_flag %d, precoding_information.val %d antenna_ports.val %d mcs %d tpc %d ndi %d rv %d\n", __func__, + dci_format, dci_pdu_rel15->frequency_domain_assignment.val, dci_pdu_rel15->time_domain_assignment.val, dci_pdu_rel15->frequency_hopping_flag.val, + dci_pdu_rel15->precoding_information.val, + dci_pdu_rel15->antenna_ports.val, dci_pdu_rel15->mcs, dci_pdu_rel15->tpc, dci_pdu_rel15->ndi, @@ -2864,6 +2878,7 @@ void nr_mac_update_timers(module_id_t module_id, int dci_format = get_dci_format(sched_ctrl); const uint8_t num_dmrs_cdm_grps_no_data = (ubwp || ubwpd) ? 1 : 2; + const uint8_t nrOfLayers = 1; const int utda = ubwp && preferred_ul_tda[ubwp->bwp_Id][slot] >= 0 ? preferred_ul_tda[ubwp->bwp_Id][slot] : (ups->time_domain_allocation >= 0 ? ups->time_domain_allocation : 0); @@ -2874,6 +2889,7 @@ void nr_mac_update_timers(module_id_t module_id, dci_format, utda, num_dmrs_cdm_grps_no_data, + nrOfLayers, ups); } } diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c index 86cb5e704a..da8ecf66a9 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c @@ -965,7 +965,7 @@ bool nr_UE_is_to_be_scheduled(module_id_t mod_id, int CC_id, int UE_id, frame_t } else { num_slots_per_period = n; - last_ul_slot = sched_ctrl->last_ul_slot; + last_ul_slot = sched_ctrl->last_ul_slot; } last_ul_sched = sched_ctrl->last_ul_frame * n + last_ul_slot; @@ -1020,7 +1020,7 @@ bool allocate_ul_retransmission(module_id_t module_id, int rbStart = 0; // wrt BWP start const uint16_t bwpSize = NRRIV2BW(genericParameters->locationAndBandwidth, MAX_BWP_SIZE); - + const uint8_t nrOfLayers = 1; const uint8_t num_dmrs_cdm_grps_no_data = (sched_ctrl->active_bwp || ubwpd) ? 1 : 2; const int tda = sched_ctrl->active_ubwp ? RC.nrmac[module_id]->preferred_ul_tda[sched_ctrl->active_ubwp->bwp_Id][slot] : 0; LOG_D(NR_MAC,"retInfo->time_domain_allocation = %d, tda = %d\n", retInfo->time_domain_allocation, tda); @@ -1034,6 +1034,7 @@ bool allocate_ul_retransmission(module_id_t module_id, if (ps->time_domain_allocation != tda || ps->dci_format != dci_format + || ps->nrOfLayers != nrOfLayers || ps->num_dmrs_cdm_grps_no_data != num_dmrs_cdm_grps_no_data) { nr_set_pusch_semi_static(sib1, scc, @@ -1042,6 +1043,7 @@ bool allocate_ul_retransmission(module_id_t module_id, dci_format, tda, num_dmrs_cdm_grps_no_data, + nrOfLayers, ps); } @@ -1064,6 +1066,7 @@ bool allocate_ul_retransmission(module_id_t module_id, dci_format, tda, num_dmrs_cdm_grps_no_data, + nrOfLayers, &temp_ps); /* the retransmission will use a different time domain allocation, check * that we have enough resources */ @@ -1285,11 +1288,13 @@ void pf_ul(module_id_t module_id, /* we want to avoid a lengthy deduction of DMRS and other parameters in * every TTI if we can save it, so check whether dci_format, TDA, or * num_dmrs_cdm_grps_no_data has changed and only then recompute */ + const uint8_t nrOfLayers = 1; const uint8_t num_dmrs_cdm_grps_no_data = (sched_ctrl->active_ubwp || ubwpd) ? 1 : 2; int dci_format = get_dci_format(sched_ctrl); const int tda = sched_ctrl->active_ubwp ? nrmac->preferred_ul_tda[sched_ctrl->active_ubwp->bwp_Id][slot] : 0; if (ps->time_domain_allocation != tda || ps->dci_format != dci_format + || ps->nrOfLayers != nrOfLayers || ps->num_dmrs_cdm_grps_no_data != num_dmrs_cdm_grps_no_data) { nr_set_pusch_semi_static(sib1, scc, @@ -1298,10 +1303,12 @@ void pf_ul(module_id_t module_id, dci_format, tda, num_dmrs_cdm_grps_no_data, + nrOfLayers, ps); } - LOG_D(NR_MAC,"Looking for min_rb %d RBs, starting at %d\n", min_rb, rbStart); + LOG_D(NR_MAC,"Looking for min_rb %d RBs, starting at %d num_dmrs_cdm_grps_no_data %d\n", + min_rb, rbStart, ps->num_dmrs_cdm_grps_no_data); const uint16_t slbitmap = SL_to_bitmap(ps->startSymbolIndex, ps->nrOfSymbols); while (rbStart < bwpSize && (rballoc_mask[rbStart] & slbitmap) != slbitmap) rbStart++; @@ -1330,7 +1337,7 @@ void pf_ul(module_id_t module_id, ps->N_PRB_DMRS * ps->num_dmrs_symb, 0, // nb_rb_oh 0, - 1 /* NrOfLayers */) + ps->nrOfLayers) >> 3; /* Mark the corresponding RBs as used */ @@ -1421,11 +1428,13 @@ void pf_ul(module_id_t module_id, /* we want to avoid a lengthy deduction of DMRS and other parameters in * every TTI if we can save it, so check whether dci_format, TDA, or * num_dmrs_cdm_grps_no_data has changed and only then recompute */ + const uint8_t nrOfLayers = 1; const uint8_t num_dmrs_cdm_grps_no_data = (sched_ctrl->active_ubwp || ubwpd) ? 1 : 2; int dci_format = get_dci_format(sched_ctrl); const int tda = sched_ctrl->active_ubwp ? nrmac->preferred_ul_tda[sched_ctrl->active_ubwp->bwp_Id][slot] : 0; if (ps->time_domain_allocation != tda || ps->dci_format != dci_format + || ps->nrOfLayers != nrOfLayers || ps->num_dmrs_cdm_grps_no_data != num_dmrs_cdm_grps_no_data) { nr_set_pusch_semi_static(sib1, scc, @@ -1434,6 +1443,7 @@ void pf_ul(module_id_t module_id, dci_format, tda, num_dmrs_cdm_grps_no_data, + nrOfLayers, ps); } update_ul_ue_R_Qm(sched_pusch, ps); @@ -1458,7 +1468,7 @@ void pf_ul(module_id_t module_id, const int B = cmax(sched_ctrl->estimated_ul_buffer - sched_ctrl->sched_ul_bytes, 0); uint16_t rbSize = 0; uint32_t TBS = 0; - + nr_find_nb_rb(sched_pusch->Qm, sched_pusch->R, 1, // layers @@ -1757,7 +1767,7 @@ void nr_schedule_ulsch(module_id_t module_id, frame_t frame, sub_frame_t slot) sched_ctrl->last_ul_slot = sched_pusch->slot; LOG_D(NR_MAC, - "ULSCH/PUSCH: %4d.%2d RNTI %04x UL sched %4d.%2d DCI L %d start %2d RBS %3d startSymbol %2d nb_symbol %2d dmrs_pos %x MCS %2d TBS %4d HARQ PID %2d round %d RV %d NDI %d est %6d sched %6d est BSR %6d TPC %d\n", + "ULSCH/PUSCH: %4d.%2d RNTI %04x UL sched %4d.%2d DCI L %d start %2d RBS %3d startSymbol %2d nb_symbol %2d dmrs_pos %x MCS %2d nrOfLayers %2d num_dmrs_cdm_grps_no_data %2d TBS %4d HARQ PID %2d round %d RV %d NDI %d est %6d sched %6d est BSR %6d TPC %d\n", frame, slot, rnti, @@ -1770,6 +1780,8 @@ void nr_schedule_ulsch(module_id_t module_id, frame_t frame, sub_frame_t slot) ps->nrOfSymbols, ps->ul_dmrs_symb_pos, sched_pusch->mcs, + ps->nrOfLayers, + ps->num_dmrs_cdm_grps_no_data, sched_pusch->tb_size, harq_id, cur_harq->round, @@ -1826,7 +1838,8 @@ void nr_schedule_ulsch(module_id_t module_id, frame_t frame, sub_frame_t slot) pusch_pdu->data_scrambling_id = *ps->pusch_Config->dataScramblingIdentityPUSCH; else pusch_pdu->data_scrambling_id = *scc->physCellId; - pusch_pdu->nrOfLayers = 1; + pusch_pdu->nrOfLayers = ps->nrOfLayers; + pusch_pdu->num_dmrs_cdm_grps_no_data = ps->num_dmrs_cdm_grps_no_data; /* FAPI: DMRS */ pusch_pdu->ul_dmrs_symb_pos = ps->ul_dmrs_symb_pos; @@ -1851,7 +1864,7 @@ void nr_schedule_ulsch(module_id_t module_id, frame_t frame, sub_frame_t slot) } pusch_pdu->scid = 0; // DMRS sequence initialization [TS38.211, sec 6.4.1.1.1] pusch_pdu->num_dmrs_cdm_grps_no_data = ps->num_dmrs_cdm_grps_no_data; - pusch_pdu->dmrs_ports = 1; + pusch_pdu->dmrs_ports = ((1<nrOfLayers) - 1); /* FAPI: Pusch Allocation in frequency domain */ pusch_pdu->resource_alloc = 1; //type 1 @@ -1986,4 +1999,3 @@ void nr_schedule_ulsch(module_id_t module_id, frame_t frame, sub_frame_t slot) memset(sched_pusch, 0, sizeof(*sched_pusch)); } } - diff --git a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h index f17ba82a21..85734b77a8 100644 --- a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h +++ b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h @@ -366,6 +366,7 @@ void nr_set_pusch_semi_static(const NR_SIB1_t *sib1, long dci_format, int tda, uint8_t num_dmrs_cdm_grps_no_data, + uint8_t nrOfLayers, NR_pusch_semi_static_t *ps); uint16_t get_Y(int cid, int slot, rnti_t rnti); diff --git a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h index 5ddeacf4ed..8e59a7e76b 100644 --- a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h +++ b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h @@ -343,6 +343,7 @@ typedef struct NR_sched_pucch { typedef struct NR_pusch_semi_static_t { int dci_format; int time_domain_allocation; + uint8_t nrOfLayers; uint8_t num_dmrs_cdm_grps_no_data; int startSymbolIndex; diff --git a/openair2/RRC/NR/rrc_gNB_nsa.c b/openair2/RRC/NR/rrc_gNB_nsa.c index b482637dfd..23e6c43e47 100644 --- a/openair2/RRC/NR/rrc_gNB_nsa.c +++ b/openair2/RRC/NR/rrc_gNB_nsa.c @@ -241,6 +241,7 @@ void rrc_add_nsa_user(gNB_RRC_INST *rrc,struct rrc_gNB_ue_context_s *ue_context_ cipher_algo, NR_SecurityConfig__keyToUse_secondary); } + NR_ServingCellConfig_t *scc = ue_context_p->ue_context.spCellConfig ? ue_context_p->ue_context.spCellConfig->spCellConfigDedicated : NULL; fill_default_reconfig(carrier->servingcellconfigcommon, @@ -250,6 +251,7 @@ void rrc_add_nsa_user(gNB_RRC_INST *rrc,struct rrc_gNB_ue_context_s *ue_context_ ue_context_p->ue_context.UE_Capability_nr, configuration, ue_context_p->local_uid); + ue_context_p->ue_id_rnti = ue_context_p->ue_context.secondaryCellGroup->spCellConfig->reconfigurationWithSync->newUE_Identity; NR_CG_Config_t *CG_Config = calloc(1,sizeof(*CG_Config)); memset((void *)CG_Config,0,sizeof(*CG_Config)); diff --git a/openair2/RRC/NR/rrc_gNB_reconfig.c b/openair2/RRC/NR/rrc_gNB_reconfig.c index 3387ad8481..9876d9be38 100644 --- a/openair2/RRC/NR/rrc_gNB_reconfig.c +++ b/openair2/RRC/NR/rrc_gNB_reconfig.c @@ -57,8 +57,8 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco int scg_id, int servCellIndex, const gNB_RrcConfigurationReq *configuration, - int uid) -{ + int uid) { + const rrc_pdsch_AntennaPorts_t* pdschap = &configuration->pdsch_AntennaPorts; const int dl_antenna_ports = pdschap->N1 * pdschap->N2 * pdschap->XP; const int do_csirs = configuration->do_CSIRS; @@ -720,14 +720,14 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco pusch_Config->codebookSubset=calloc(1,sizeof(*pusch_Config->codebookSubset)); *pusch_Config->codebookSubset = NR_PUSCH_Config__codebookSubset_nonCoherent; pusch_Config->maxRank=calloc(1,sizeof(*pusch_Config->maxRank)); - *pusch_Config->maxRank= 1; + *pusch_Config->maxRank= configuration->pusch_AntennaPorts; pusch_Config->rbg_Size=NULL; pusch_Config->uci_OnPUSCH=NULL; pusch_Config->tp_pi2BPSK=NULL; /*------------------------------TRANSFORM PRECODING- -----------------------------------------------------------------------*/ - uint8_t transform_precoding = NR_PUSCH_Config__transformPrecoder_disabled; + uint8_t transformPrecoder = NR_PUSCH_Config__transformPrecoder_disabled; // TBD: configure this from .conf file, Dedicated params cannot yet be configured in .conf file. // Enable this to test transform precoding enabled from dedicated config. @@ -739,13 +739,13 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco if (pusch_Config->transformPrecoder == NULL) { if (servingcellconfigcommon->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg3_transformPrecoder != NULL) - transform_precoding = NR_PUSCH_Config__transformPrecoder_enabled; + transformPrecoder = NR_PUSCH_Config__transformPrecoder_enabled; } else - transform_precoding = *pusch_Config->transformPrecoder; + transformPrecoder = *pusch_Config->transformPrecoder; - if (transform_precoding == NR_PUSCH_Config__transformPrecoder_enabled ) { + if (transformPrecoder == NR_PUSCH_Config__transformPrecoder_enabled ) { /* Enable DMRS uplink config for transform precoding enabled */ NR_DMRS_UplinkConfig->transformPrecodingEnabled = calloc(1,sizeof(*NR_DMRS_UplinkConfig->transformPrecodingEnabled)); NR_DMRS_UplinkConfig->transformPrecodingEnabled->nPUSCH_Identity = NULL; diff --git a/targets/ARCH/rfsimulator/simulator.c b/targets/ARCH/rfsimulator/simulator.c index bc9882b4bd..127b2975d5 100644 --- a/targets/ARCH/rfsimulator/simulator.c +++ b/targets/ARCH/rfsimulator/simulator.c @@ -429,6 +429,8 @@ static int rfsimulator_write_internal(rfsimulator_state_t *t, openair0_timestamp if (!alreadyLocked) pthread_mutex_lock(&Sockmutex); + LOG_D(HW,"sending %d samples at time: %ld, nbAnt %d\n", nsamps, timestamp, nbAnt); + for (int i=0; ibuf[i]; @@ -621,7 +623,7 @@ static int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimest } rfsimulator_state_t *t = device->priv; - LOG_D(HW, "Enter rfsimulator_read, expect %d samples, will release at TS: %ld\n", nsamps, t->nextRxTstamp+nsamps); + LOG_D(HW, "Enter rfsimulator_read, expect %d samples, will release at TS: %ld, nbAnt %d\n", nsamps, t->nextRxTstamp+nsamps, nbAnt); // deliver data from received data // check if a UE is connected int first_sock; @@ -693,15 +695,16 @@ static int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimest t->poll_telnetcmdq(t->telnetcmd_qid,t); for (int a=0; achannel_model != NULL ) // apply a channel model - rxAddInput( ptr->circularBuf, (c16_t *) samplesVoid[a], - a, - ptr->channel_model, - nsamps, - t->nextRxTstamp, - CirSize - ); + if ( ptr->channel_model != NULL ) { // apply a channel model + rxAddInput(ptr->circularBuf, (c16_t *) samplesVoid[a], + a, + ptr->channel_model, + nsamps, + t->nextRxTstamp, + CirSize); + } else { // no channel modeling + double H_awgn_mimo[4][4] ={{1.0, 0.2, 0.1, 0.05}, //rx 0 {0.2, 1.0, 0.2, 0.1}, //rx 1 {0.1, 0.2, 1.0, 0.2}, //rx 2 diff --git a/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.usrpb210.4layer.conf b/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.usrpb210.4layer.conf new file mode 100644 index 0000000000..74f2f9c11c --- /dev/null +++ b/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.usrpb210.4layer.conf @@ -0,0 +1,320 @@ +Active_gNBs = ( "gNB-Eurecom-5GNRBox"); +# Asn1_verbosity, choice in: none, info, annoying +Asn1_verbosity = "none"; + +gNBs = +( + { + ////////// Identification parameters: + gNB_ID = 0xe00; + gNB_name = "gNB-Eurecom-5GNRBox"; + + // Tracking area code, 0x0000 and 0xfffe are reserved values + tracking_area_code = 1; + plmn_list = ({ + mcc = 208; + mnc = 99; + mnc_length = 2; + snssaiList = ( + { + sst = 1; + sd = 0x1; // 0 false, else true + }, + { + sst = 1; + sd = 0x112233; // 0 false, else true + } + ); + + }); + + nr_cellid = 12345678L; + + ////////// Physical parameters: + + ssb_SubcarrierOffset = 0; + pdsch_AntennaPorts = 4; + pusch_AntennaPorts = 4; + sib1_tda = 0; + + pdcch_ConfigSIB1 = ( + { + controlResourceSetZero = 12; + searchSpaceZero = 0; + } + ); + + servingCellConfigCommon = ( + { + #spCellConfigCommon + + physCellId = 0; + +# downlinkConfigCommon + #frequencyInfoDL + # this is 3600 MHz + 43 PRBs@30kHz SCS (same as initial BWP) + absoluteFrequencySSB = 641280; + dl_frequencyBand = 78; + # this is 3600 MHz + dl_absoluteFrequencyPointA = 640008; + #scs-SpecificCarrierList + dl_offstToCarrier = 0; +# subcarrierSpacing +# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120 + dl_subcarrierSpacing = 1; + dl_carrierBandwidth = 106; + #initialDownlinkBWP + #genericParameters + # this is RBstart=27,L=48 (275*(L-1))+RBstart + initialDLBWPlocationAndBandwidth = 28875; # 6366 12925 12956 28875 12952 +# subcarrierSpacing +# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120 + initialDLBWPsubcarrierSpacing = 1; + #pdcch-ConfigCommon + initialDLBWPcontrolResourceSetZero = 12; + initialDLBWPsearchSpaceZero = 0; + #pdsch-ConfigCommon + #pdschTimeDomainAllocationList (up to 16 entries) + initialDLBWPk0_0 = 0; #for DL slot + initialDLBWPmappingType_0 = 0; #0=typeA,1=typeB + initialDLBWPstartSymbolAndLength_0 = 40; #this is SS=1,L=13 + + initialDLBWPk0_1 = 0; #for mixed slot + initialDLBWPmappingType_1 = 0; + initialDLBWPstartSymbolAndLength_1 = 57; #this is SS=1,L=5 + + #uplinkConfigCommon + #frequencyInfoUL + ul_frequencyBand = 78; + #scs-SpecificCarrierList + ul_offstToCarrier = 0; +# subcarrierSpacing +# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120 + ul_subcarrierSpacing = 1; + ul_carrierBandwidth = 106; + pMax = 20; + #initialUplinkBWP + #genericParameters + initialULBWPlocationAndBandwidth = 28875; +# subcarrierSpacing +# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120 + initialULBWPsubcarrierSpacing = 1; + #rach-ConfigCommon + #rach-ConfigGeneric + prach_ConfigurationIndex = 98; +#prach_msg1_FDM +#0 = one, 1=two, 2=four, 3=eight + prach_msg1_FDM = 0; + prach_msg1_FrequencyStart = 0; + zeroCorrelationZoneConfig = 13; + preambleReceivedTargetPower = -96; +#preamblTransMax (0...10) = (3,4,5,6,7,8,10,20,50,100,200) + preambleTransMax = 6; +#powerRampingStep +# 0=dB0,1=dB2,2=dB4,3=dB6 + powerRampingStep = 1; +#ra_ReponseWindow +#1,2,4,8,10,20,40,80 + ra_ResponseWindow = 4; +#ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR +#1=oneeighth,2=onefourth,3=half,4=one,5=two,6=four,7=eight,8=sixteen + ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR = 4; +#oneHalf (0..15) 4,8,12,16,...60,64 + ssb_perRACH_OccasionAndCB_PreamblesPerSSB = 14; +#ra_ContentionResolutionTimer +#(0..7) 8,16,24,32,40,48,56,64 + ra_ContentionResolutionTimer = 7; + rsrp_ThresholdSSB = 19; +#prach-RootSequenceIndex_PR +#1 = 839, 2 = 139 + prach_RootSequenceIndex_PR = 2; + prach_RootSequenceIndex = 1; + # SCS for msg1, can only be 15 for 30 kHz < 6 GHz, takes precendence over the one derived from prach-ConfigIndex + # + msg1_SubcarrierSpacing = 1, +# restrictedSetConfig +# 0=unrestricted, 1=restricted type A, 2=restricted type B + restrictedSetConfig = 0, + + # pusch-ConfigCommon (up to 16 elements) + initialULBWPk2_0 = 6; # used for UL slot + initialULBWPmappingType_0 = 1 + initialULBWPstartSymbolAndLength_0 = 41; # this is SS=0 L=13 + + initialULBWPk2_1 = 6; # used for mixed slot + initialULBWPmappingType_1 = 1; + initialULBWPstartSymbolAndLength_1 = 52; # this is SS=10 L=4 + + initialULBWPk2_2 = 7; # used for Msg.3 during RA + initialULBWPmappingType_2 = 1; + initialULBWPstartSymbolAndLength_2 = 52; # this is SS=10 L=4 + + msg3_DeltaPreamble = 1; + p0_NominalWithGrant =-90; + +# pucch-ConfigCommon setup : +# pucchGroupHopping +# 0 = neither, 1= group hopping, 2=sequence hopping + pucchGroupHopping = 0; + hoppingId = 40; + p0_nominal = -90; +# ssb_PositionsInBurs_BitmapPR +# 1=short, 2=medium, 3=long + ssb_PositionsInBurst_PR = 2; + ssb_PositionsInBurst_Bitmap = 1; + +# ssb_periodicityServingCell +# 0 = ms5, 1=ms10, 2=ms20, 3=ms40, 4=ms80, 5=ms160, 6=spare2, 7=spare1 + ssb_periodicityServingCell = 2; + +# dmrs_TypeA_position +# 0 = pos2, 1 = pos3 + dmrs_TypeA_Position = 0; + +# subcarrierSpacing +# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120 + subcarrierSpacing = 1; + + + #tdd-UL-DL-ConfigurationCommon +# subcarrierSpacing +# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120 + referenceSubcarrierSpacing = 1; + # pattern1 + # dl_UL_TransmissionPeriodicity + # 0=ms0p5, 1=ms0p625, 2=ms1, 3=ms1p25, 4=ms2, 5=ms2p5, 6=ms5, 7=ms10 + dl_UL_TransmissionPeriodicity = 6; + nrofDownlinkSlots = 7; + nrofDownlinkSymbols = 6; + nrofUplinkSlots = 2; + nrofUplinkSymbols = 4; + + ssPBCH_BlockPower = -25; + } + + ); + + + # ------- SCTP definitions + SCTP : + { + # Number of streams to use in input/output + SCTP_INSTREAMS = 2; + SCTP_OUTSTREAMS = 2; + }; + + + ////////// MME parameters: + amf_ip_address = ( { ipv4 = "192.168.70.132"; + ipv6 = "192:168:30::17"; + active = "yes"; + preference = "ipv4"; + } + ); + + + NETWORK_INTERFACES : + { + GNB_INTERFACE_NAME_FOR_NG_AMF = "demo-oai"; + GNB_IPV4_ADDRESS_FOR_NG_AMF = "192.168.70.129/24"; + GNB_INTERFACE_NAME_FOR_NGU = "demo-oai"; + GNB_IPV4_ADDRESS_FOR_NGU = "192.168.70.129/24"; + GNB_PORT_FOR_S1U = 2152; # Spec 2152 + }; + + } +); + +MACRLCs = ( + { + num_cc = 1; + tr_s_preference = "local_L1"; + tr_n_preference = "local_RRC"; + pusch_TargetSNRx10 = 150; + pucch_TargetSNRx10 = 200; + } +); + +L1s = ( + { + num_cc = 1; + tr_n_preference = "local_mac"; + pusch_proc_threads = 8; + prach_dtx_threshold = 120; + pucch0_dtx_threshold = 150; + ofdm_offset_divisor = 8; #set this to UINT_MAX for offset 0 + } +); + +RUs = ( + { + local_rf = "yes" + nb_tx = 4 + nb_rx = 4 + att_tx = 0 + att_rx = 0; + bands = [78]; + max_pdschReferenceSignalPower = -27; + max_rxgain = 114; + eNB_instances = [0]; + #beamforming 1x4 matrix: + bf_weights = [0x00007fff, 0x0000, 0x0000, 0x0000, 0x00000000, 0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x00007fff]; + clock_src = "internal"; + } +); + +THREAD_STRUCT = ( + { + #three config for level of parallelism "PARALLEL_SINGLE_THREAD", "PARALLEL_RU_L1_SPLIT", or "PARALLEL_RU_L1_TRX_SPLIT" + parallel_config = "PARALLEL_SINGLE_THREAD"; + #two option for worker "WORKER_DISABLE" or "WORKER_ENABLE" + worker_config = "WORKER_ENABLE"; + } +); + +rfsimulator : +{ + serveraddr = "server"; + serverport = "4043"; + options = (); #("saviq"); or/and "chanmod" + modelname = "AWGN"; + IQfile = "/tmp/rfsimulator.iqs"; +}; + +security = { + # preferred ciphering algorithms + # the first one of the list that an UE supports in chosen + # valid values: nea0, nea1, nea2, nea3 + ciphering_algorithms = ( "nea0" ); + + # preferred integrity algorithms + # the first one of the list that an UE supports in chosen + # valid values: nia0, nia1, nia2, nia3 + integrity_algorithms = ( "nia2", "nia0" ); + + # setting 'drb_ciphering' to "no" disables ciphering for DRBs, no matter + # what 'ciphering_algorithms' configures; same thing for 'drb_integrity' + drb_ciphering = "yes"; + drb_integrity = "no"; +}; + + log_config : + { + global_log_level ="info"; + global_log_verbosity ="medium"; + hw_log_level ="info"; + hw_log_verbosity ="medium"; + phy_log_level ="info"; + phy_log_verbosity ="medium"; + mac_log_level ="info"; + mac_log_verbosity ="high"; + rlc_log_level ="info"; + rlc_log_verbosity ="medium"; + pdcp_log_level ="info"; + pdcp_log_verbosity ="medium"; + rrc_log_level ="info"; + rrc_log_verbosity ="medium"; + ngap_log_level ="info"; + ngap_log_verbosity ="medium"; + }; +