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Merge branch 'nr_pbch' into develop-nr

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This commit is contained in:
hongzhi wang
2018-06-26 16:45:02 +02:00
parent 8760ad83bc 624fa4dccc
commit ff26c55044
9 changed files with 151 additions and 341 deletions
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cmake_targets/CMakeLists.txt
+1
View File
@@ -1296,6 +1296,7 @@ set(PHY_SRC_UE
${OPENAIR1_DIR}/PHY/INIT/nr_init_ue.c
${OPENAIR1_DIR}/SCHED_NR_UE/phy_procedures_nr_ue.c
#${OPENAIR1_DIR}/SCHED_NR_UE/phy_procedures_nr_common_ue.c
${PHY_POLARSRC}
)
openair1/PHY/INIT/nr_init_ue.c
+8 -4
View File
@@ -33,6 +33,7 @@
#include "PHY/NR_UE_TRANSPORT/nr_transport_ue.h"
#include "PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h"
#include "PHY/LTE_REFSIG/lte_refsig.h"
#include "PHY/CODING/nrPolar_tools/nr_polar_pbch_defs.h"
//uint8_t dmrs1_tab_ue[8] = {0,2,3,4,6,8,9,10};
@@ -841,17 +842,17 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue,
pbch_vars[eNB_id]->rxdataF_ext = (int32_t**)malloc16( fp->nb_antennas_rx*sizeof(int32_t*) );
pbch_vars[eNB_id]->rxdataF_comp = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pbch_vars[eNB_id]->dl_ch_estimates_ext = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pbch_vars[eNB_id]->llr = (int8_t*)malloc16_clear( 1920 );
pbch_vars[eNB_id]->llr = (int8_t*)malloc16_clear( 1920 );//
prach_vars[eNB_id]->prachF = (int16_t*)malloc16_clear( sizeof(int)*(7*2*sizeof(int)*(fp->ofdm_symbol_size*12)) );
prach_vars[eNB_id]->prach = (int16_t*)malloc16_clear( sizeof(int)*(7*2*sizeof(int)*(fp->ofdm_symbol_size*12)) );
for (i=0; i<fp->nb_antennas_rx; i++) {
pbch_vars[eNB_id]->rxdataF_ext[i] = (int32_t*)malloc16_clear( sizeof(int32_t)*6*12*4 );
pbch_vars[eNB_id]->rxdataF_ext[i] = (int32_t*)malloc16_clear( sizeof(int32_t)*20*12*4 );
for (j=0; j<4; j++) {//fp->nb_antennas_tx;j++) {
int idx = (j<<1)+i;
pbch_vars[eNB_id]->rxdataF_comp[idx] = (int32_t*)malloc16_clear( sizeof(int32_t)*6*12*4 );
pbch_vars[eNB_id]->dl_ch_estimates_ext[idx] = (int32_t*)malloc16_clear( sizeof(int32_t)*6*12*4 );
pbch_vars[eNB_id]->rxdataF_comp[idx] = (int32_t*)malloc16_clear( sizeof(int32_t)*20*12*4 );
pbch_vars[eNB_id]->dl_ch_estimates_ext[idx] = (int32_t*)malloc16_clear( sizeof(int32_t)*20*12*4 );
}
}
}
@@ -955,6 +956,9 @@ void phy_init_nr_top(NR_DL_FRAME_PARMS *frame_parms)
generate_ul_reference_signal_sequences(SHRT_MAX);
// Polar encoder init for PBCH
nr_polar_init(&frame_parms->pbch_polar_params, 1);
//lte_sync_time_init(frame_parms);
//generate_ul_ref_sigs();
openair1/PHY/INIT/nr_parms.c
-12
View File
@@ -165,18 +165,6 @@ int nr_init_frame_parms_ue(nfapi_config_request_t* config,
LOG_I(PHY,"Initializing frame parms for mu %d, N_RB %d, Ncp %d\n",mu, N_RB, Ncp);
#endif
frame_parms->frame_type = FDD;
frame_parms->tdd_config = 3;
//frame_parms[CC_id]->tdd_config_S = 0;
frame_parms->N_RB_DL = 100;
frame_parms->N_RB_UL = 100;
frame_parms->Ncp = NORMAL;
//frame_parms[CC_id]->Ncp_UL = NORMAL;
frame_parms->Nid_cell = 0;
//frame_parms[CC_id]->num_MBSFN_config = 0;
frame_parms->nb_antenna_ports_eNB = 1;
frame_parms->nb_antennas_tx = 1;
frame_parms->nb_antennas_rx = 1;
if (Ncp == EXTENDED)
AssertFatal(mu == NR_MU_2,"Invalid cyclic prefix %d for numerology index %d\n", Ncp, mu);
openair1/PHY/NR_REFSIG/nr_dmrs_rx.c
+5 -3
View File
@@ -49,7 +49,9 @@ int wt1[8][2] = {{1,1},{1,1},{1,1},{1,1},{1,-1},{1,-1},{1,-1},{1,-1}};
int wf2[12][2] = {{1,1},{1,-1},{1,1},{1,-1},{1,1},{1,-1},{1,1},{1,1},{1,1},{1,-1},{1,1},{1,1}};
int wt2[12][2] = {{1,1},{1,1},{1,1},{1,1},{1,1},{1,1},{1,-1},{1,-1},{1,-1},{1,-1},{1,-1},{1,-1}};
short nr_mod_table[14] = {0,0,23170,23170,-23170,-23170,23170,23170,23170,-23170,-23170,23170,-23170,-23170};
//short nr_mod_table[14] = {0,0,-23170,-23170,23170,23170,-23170,-23170,-23170,23170,23170,-23170,23170,23170};
short nr_mod_table[14] = {0,0,23170,-23170,-23170,23170,23170,-23170,23170,23170,-23170,-23170,-23170,23170};
//short nr_mod_table[14] = {0,0,23170,23170,-23170,-23170,23170,23170,23170,-23170,-23170,23170,-23170,-23170};
//extern short nr_mod_table[NR_MOD_TABLE_SIZE_SHORT];
@@ -149,8 +151,8 @@ int nr_pbch_dmrs_rx(unsigned int *nr_gold_pbch,
((int16_t*)output)[(m<<1)+1] = nr_mod_table[((1 + ((nr_gold_pbch[m>>5]&(1<<(m&0x1f)))>>(m&0x1f)))<<1) + 1];
#ifdef DEBUG_PBCH
//printf("nr_gold_pbch[m>>5] %x\n",nr_gold_pbch[m>>5]);
if (m<6)
printf("m %d output %d %d addr %p\n", m, output[2*m], output[2*m+1],&output[0]);
if (m<16)
printf("m %d output %d %d addr %p\n", m, ((int16_t*)output)[m<<1], ((int16_t*)output)[(m<<1)+1],&output[0]);
#endif
}
openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
+21 -55
View File
@@ -27,7 +27,7 @@
#include "PHY/defs_nr_UE.h"
#include "filt16a_32.h"
#include "T.h"
#define DEBUG_CH
//#define DEBUG_CH
int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
uint8_t eNB_id,
@@ -41,20 +41,19 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
unsigned char aarx;
unsigned short k;
unsigned int pilot_cnt;
int16_t ch[2],*pil,*rxF,*dl_ch,*fl,*fm,*f2l,*fr,f1,*f2r,*fl_dc,*fm_dc,*fr_dc;
int16_t ch[2],*pil,*rxF,*dl_ch,*fl,*fm,*fr;
int ch_offset,symbol_offset;
uint16_t Nid_cell = (eNB_offset == 0) ? ue->frame_parms.Nid_cell : ue->measurements.adj_cell_id[eNB_offset-1];
//uint16_t Nid_cell = (eNB_offset == 0) ? ue->frame_parms.Nid_cell : ue->measurements.adj_cell_id[eNB_offset-1];
uint8_t nushift;
uint8_t previous_thread_id = ue->current_thread_id[Ns>>1]==0 ? (RX_NB_TH-1):(ue->current_thread_id[Ns>>1]-1);
int **dl_ch_estimates =ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns>>1]].dl_ch_estimates[eNB_offset];
uint8_t nushift, Lmax, ssb_index=0, n_hf=0;
int **dl_ch_estimates =ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns>>1]].dl_ch_estimates[eNB_offset];
int **rxdataF=ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns>>1]].rxdataF;
// recompute nushift with eNB_offset corresponding to adjacent eNB on which to perform channel estimation
nushift = Nid_cell%4;
Lmax = 8; //to be updated
nushift = (Lmax < 8)? ssb_index&3 : ssb_index&7;
ue->frame_parms.nushift = nushift;
if (ue->high_speed_flag == 0) // use second channel estimate position for temporary storage
ch_offset = ue->frame_parms.ofdm_symbol_size ;
else
@@ -74,48 +73,24 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
fl = filt16a_l0;
fm = filt16a_m0;
fr = filt16a_r0;
fl_dc = filt16a_l0;
fm_dc = filt16a_m0;
fr_dc = filt16a_r0;
f1 = filt16a_1;
f2l = filt16a_2l0;
f2r = filt16a_2r0;
break;
case 1:
fl = filt16a_l1;
fm = filt16a_m1;
fr = filt16a_r1;
fl_dc = filt16a_l1;
fm_dc = filt16a_m1;
fr_dc = filt16a_r1;
f1 = filt16a_1;
f2l = filt16a_2l1;
f2r = filt16a_2r1;
break;
case 2:
fl = filt16a_l2;
fm = filt16a_m2;
fr = filt16a_r2;
fl_dc = filt16a_l2;
fm_dc = filt16a_m2;
fr_dc = filt16a_r2;
f1 = filt16a_1;
f2l = filt16a_2l0;
f2r = filt16a_2r0;
break;
case 3:
fl = filt16a_l3;
fm = filt16a_m3;
fr = filt16a_r3;
fl_dc = filt16a_l3;
fm_dc = filt16a_m3;
fr_dc = filt16a_r3;
f1 = filt16a_1;
f2l = filt16a_2l1;
f2r = filt16a_2r1;
break;
default:
@@ -124,11 +99,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
break;
}
// generate pilot
nr_pbch_dmrs_rx(ue->nr_gold_pbch,
&pilot[p][0]);
nr_pbch_dmrs_rx(ue->nr_gold_pbch[n_hf][ssb_index], &pilot[p][0]);
for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
@@ -154,7 +126,7 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
#ifdef DEBUG_CH
printf("ch 0 %d\n",((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1]));
printf("pilot 0 : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
printf("pilot 0 : rxF - > (%d,%d) addr %p ch -> (%d,%d), pil -> (%d,%d) \n",rxF[0],rxF[1],&rxF[0],ch[0],ch[1],pil[0],pil[1]);
#endif
multadd_real_vector_complex_scalar(fl,
ch,
@@ -162,8 +134,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
16);
pil+=2;
rxF+=8;
for (int i= 0; i<8; i++)
printf("dl_ch addr %p %d\n", dl_ch+i, *(dl_ch+i));
//for (int i= 0; i<8; i++)
//printf("dl_ch addr %p %d\n", dl_ch+i, *(dl_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);
@@ -174,19 +146,15 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
ch,
dl_ch,
16);
//printf("after dl_ch %d %d\n", dl_ch, *(dl_ch));
//for (int i= 0; i<16; i++)
// printf("dl_ch %d %d\n", dl_ch+i, *(dl_ch+i));
pil+=2;
rxF+=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_CH
printf("pilot 2 : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
#endif
#ifdef DEBUG_CH
printf("pilot 2 : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
#endif
multadd_real_vector_complex_scalar(fr,
ch,
@@ -204,7 +172,7 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
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_CH
//printf("pilot %d : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",pilot_cnt,rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
printf("pilot %d : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",pilot_cnt,rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
#endif
multadd_real_vector_complex_scalar(fl,
ch,
@@ -220,7 +188,7 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
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_CH
//printf("pilot %d : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",pilot_cnt+1,rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
printf("pilot %d : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",pilot_cnt+1,rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
#endif
multadd_real_vector_complex_scalar(fm,
ch,
@@ -232,9 +200,9 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
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_CH
// printf("pilot 1 : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
#endif
#ifdef DEBUG_CH
printf("pilot 1 : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
#endif
multadd_real_vector_complex_scalar(fr,
ch,
@@ -249,8 +217,6 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
}
printf("finish dl_ch addr %p\n", dl_ch);
}
return(0);
openair1/PHY/NR_UE_TRANSPORT/nr_initial_sync.c
+9 -54
View File
@@ -52,7 +52,7 @@ void set_default_frame_parms_single(nfapi_config_request_t *config, NR_DL_FRAME_
//#define DEBUG_INITIAL_SYNCH
int pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
int nr_pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
{
uint8_t l,pbch_decoded,frame_mod4,pbch_tx_ant,dummy;
@@ -95,6 +95,8 @@ int pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
pbch_decoded = 0;
printf("pbch_detection nid_cell %d\n",frame_parms->Nid_cell);
//for (frame_mod4=0; frame_mod4<4; frame_mod4++) {
pbch_tx_ant = nr_rx_pbch(ue,
&ue->proc.proc_rxtx[0],
@@ -105,11 +107,8 @@ int pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
ue->high_speed_flag,
frame_mod4);
if ((pbch_tx_ant>0) && (pbch_tx_ant<=2)) {
pbch_decoded = 1;
pbch_decoded = 0; //to be updated
// break;
}
//}
@@ -127,43 +126,6 @@ int pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
// ue->pbch_vars[0]->decoded_output[0] = ue->pbch_vars[0]->decoded_output[2];
// ue->pbch_vars[0]->decoded_output[2] = dummy;
// now check for Bandwidth of Cell
dummy = (ue->pbch_vars[0]->decoded_output[2]>>5)&7;
switch (dummy) {
case 0 :
frame_parms->N_RB_DL = 6;
break;
case 1 :
frame_parms->N_RB_DL = 15;
break;
case 2 :
frame_parms->N_RB_DL = 25;
break;
case 3 :
frame_parms->N_RB_DL = 50;
break;
case 4 :
frame_parms->N_RB_DL = 75;
break;
case 5:
frame_parms->N_RB_DL = 100;
break;
default:
LOG_E(PHY,"[UE%d] Initial sync: PBCH decoding: Unknown N_RB_DL\n",ue->Mod_id);
return -1;
break;
}
for(int i=0; i<RX_NB_TH;i++)
{
ue->proc.proc_rxtx[i].frame_rx = (((ue->pbch_vars[0]->decoded_output[2]&3)<<6) + (ue->pbch_vars[0]->decoded_output[1]>>2))<<2;
@@ -176,14 +138,11 @@ int pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
ue->proc.proc_rxtx[i].frame_tx = ue->proc.proc_rxtx[0].frame_rx;
}
#ifdef DEBUG_INITIAL_SYNCH
LOG_I(PHY,"[UE%d] Initial sync: pbch decoded sucessfully mode1_flag %d, tx_ant %d, frame %d, N_RB_DL %d, phich_duration %d, phich_resource %s!\n",
LOG_I(PHY,"[UE%d] Initial sync: pbch decoded sucessfully mode1_flag %d, tx_ant %d, frame %d\n",
ue->Mod_id,
frame_parms->mode1_flag,
pbch_tx_ant,
ue->proc.proc_rxtx[0].frame_rx,
frame_parms->N_RB_DL,
frame_parms->phich_config_common.phich_duration,
phich_resource); //frame_parms->phich_config_common.phich_resource);
ue->proc.proc_rxtx[0].frame_rx,);
#endif
return(0);
} else {
@@ -192,7 +151,6 @@ int pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
}
char phich_string[13][4] = {"","1/6","","1/2","","","one","","","","","","two"};
char duplex_string[2][4] = {"FDD","TDD"};
char prefix_string[2][9] = {"NORMAL","EXTENDED"};
@@ -260,11 +218,12 @@ int nr_initial_sync(PHY_VARS_NR_UE *ue, runmode_t mode)
rx_sss_nr(ue,&metric_fdd_ncp,&phase_fdd_ncp);
set_default_frame_parms_single(config,&ue->frame_parms);
//set_default_frame_parms_single(config,&ue->frame_parms);
nr_init_frame_parms_ue(config,&ue->frame_parms);
nr_gold_pbch(ue);
ret = pbch_detection(ue,mode);
ret = nr_pbch_detection(ue,mode);
ret = -1; //to be deleted
// write_output("rxdata2.m","rxd2",ue->common_vars.rxdata[0],10*frame_parms->samples_per_tti,1,1);
#ifdef DEBUG_INITIAL_SYNCH
@@ -322,10 +281,6 @@ int nr_initial_sync(PHY_VARS_NR_UE *ue, runmode_t mode)
}
#endif
generate_pcfich_reg_mapping(frame_parms);
generate_phich_reg_mapping(frame_parms);
ue->pbch_vars[0]->pdu_errors_conseq=0;
}
openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c
+100 -210
View File
@@ -31,20 +31,12 @@
*/
#include "PHY/defs_nr_UE.h"
#include "PHY/CODING/coding_extern.h"
#include "PHY/CODING/lte_interleaver_inline.h"
//#include "defs.h"
//#include "extern.h"
#include "PHY/phy_extern_nr_ue.h"
#include "PHY/sse_intrin.h"
#ifdef PHY_ABSTRACTION
#include "SIMULATION/TOOLS/defs.h"
#endif
#include "SIMULATION/TOOLS/sim.h"
//#define DEBUG_PBCH 1
//#define DEBUG_PBCH_ENCODING
//#define INTERFERENCE_MITIGATION 1
#ifdef OPENAIR2
//#include "PHY_INTERFACE/defs.h"
@@ -71,17 +63,17 @@ uint16_t nr_pbch_extract(int **rxdataF,
int nushiftmod4 = frame_parms->nushift;
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
printf("extract_rbs (nushift %d): rx_offset=%d, symbol %d\n",frame_parms->nushift,
(rx_offset + (symbol*(frame_parms->ofdm_symbol_size))),symbol);
rxF = &rxdataF[aarx][(rx_offset + (symbol*(frame_parms->ofdm_symbol_size)))];
rxF_ext = &rxdataF_ext[aarx][symbol*(20*12)];
#ifdef DEBUG_PBCH
printf("extract_rbs (nushift %d): rx_offset=%d, symbol %d\n",frame_parms->nushift,
(rx_offset + (symbol*(frame_parms->ofdm_symbol_size))),symbol);
int16_t *p = (int16_t *)rxF;
for (int i =0; i<240;i++){
for (int i =0; i<8;i++){
printf("rxF [%d]= %d\n",i,rxF[i]);
printf("pbch pss %d %d @%p\n", p[2*i], p[2*i+1], &p[2*i]);
printf("pbch extract rxF %d %d addr %p\n", p[2*i], p[2*i+1], &p[2*i]);
printf("rxF ext addr %p\n", &rxF_ext[i]);
}
#endif
@@ -105,13 +97,13 @@ uint16_t nr_pbch_extract(int **rxdataF,
rxF+=12;
rxF_ext+=9;
} else { //symbol 2
if ((rb < 4) && (rb >15)){
if ((rb < 4) || (rb >15)){
for (i=0; i<12; i++) {
if ((i!=nushiftmod4) &&
(i!=(nushiftmod4+4)) &&
(i!=(nushiftmod4+8))) {
rxF_ext[j]=rxF[i];
//printf("rxF ext[%d] = %d at %p\n",j,rxF_ext[j],&rxF[i]);
//printf("symbol2 rxF ext[%d] = %d at %p\n",j,rxF_ext[j],&rxF[i]);
j++;
}
}
@@ -128,7 +120,7 @@ uint16_t nr_pbch_extract(int **rxdataF,
else
dl_ch0 = &dl_ch_estimates[(aatx<<1)+aarx][0];
printf("dl_ch0 addr %p\n",dl_ch0);
//printf("dl_ch0 addr %p\n",dl_ch0);
dl_ch0_ext = &dl_ch_estimates_ext[(aatx<<1)+aarx][symbol*(20*12)];
@@ -140,8 +132,8 @@ uint16_t nr_pbch_extract(int **rxdataF,
(i!=(nushiftmod4+4)) &&
(i!=(nushiftmod4+8))) {
dl_ch0_ext[j]=dl_ch0[i];
if ((rb==0) && (i<2))
printf("dl ch0 ext[%d] = %d dl_ch0 [%d]= %d\n",j,dl_ch0_ext[j],i,dl_ch0[i]);
//if ((rb==0) && (i<2))
//printf("dl ch0 ext[%d] = %d dl_ch0 [%d]= %d\n",j,dl_ch0_ext[j],i,dl_ch0[i]);
j++;
}
}
@@ -150,12 +142,13 @@ uint16_t nr_pbch_extract(int **rxdataF,
dl_ch0_ext+=9;
}
else { //symbol 2
if ((rb < 4) && (rb >15)){
if ((rb < 4) || (rb >15)){
for (i=0; i<12; i++) {
if ((i!=nushiftmod4) &&
(i!=(nushiftmod4+4)) &&
(i!=(nushiftmod4+8))) {
dl_ch0_ext[j]=dl_ch0[i];
//printf("symbol2 dl ch0 ext[%d] = %d dl_ch0 [%d]= %d\n",j,dl_ch0_ext[j],i,dl_ch0[i]);
j++;
}
}
@@ -181,7 +174,7 @@ int nr_pbch_channel_level(int **dl_ch_estimates_ext,
uint32_t symbol)
{
int16_t rb, nb_rb=6;
int16_t rb, nb_rb=20;
uint8_t aatx,aarx;
#if defined(__x86_64__) || defined(__i386__)
@@ -193,19 +186,16 @@ int nr_pbch_channel_level(int **dl_ch_estimates_ext,
#endif
int avg1=0,avg2=0;
uint32_t nsymb = (frame_parms->Ncp==0) ? 7:6;
uint32_t symbol_mod = symbol % nsymb;
for (aatx=0; aatx<4; aatx++) //frame_parms->nb_antenna_ports_eNB;aatx++)
for (aatx=0; aatx<frame_parms->nb_antenna_ports_eNB;aatx++)
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
//clear average level
#if defined(__x86_64__) || defined(__i386__)
avg128 = _mm_setzero_si128();
dl_ch128=(__m128i *)&dl_ch_estimates_ext[(aatx<<1)+aarx][symbol_mod*6*12];
dl_ch128=(__m128i *)&dl_ch_estimates_ext[(aatx<<1)+aarx][symbol*20*12];
#elif defined(__arm__)
avg128 = vdupq_n_s32(0);
dl_ch128=(int16x8_t *)&dl_ch_estimates_ext[(aatx<<1)+aarx][symbol_mod*6*12];
dl_ch128=(int16x8_t *)&dl_ch_estimates_ext[(aatx<<1)+aarx][symbol*20*12];
#endif
for (rb=0; rb<nb_rb; rb++) {
@@ -257,22 +247,24 @@ void nr_pbch_channel_compensation(int **rxdataF_ext,
uint8_t output_shift)
{
uint16_t rb,nb_rb=6;
uint8_t aatx,aarx,symbol_mod;
uint16_t rb,nb_rb=20;
uint8_t aatx,aarx;
#if defined(__x86_64__) || defined(__i386__)
__m128i *dl_ch128,*rxdataF128,*rxdataF_comp128;
#elif defined(__arm__)
#endif
symbol_mod = (symbol>=(7-frame_parms->Ncp)) ? symbol-(7-frame_parms->Ncp) : symbol;
for (aatx=0; aatx<4; aatx++) //frame_parms->nb_antenna_ports_eNB;aatx++)
for (aatx=0; aatx<frame_parms->nb_antenna_ports_eNB;aatx++)
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
#if defined(__x86_64__) || defined(__i386__)
dl_ch128 = (__m128i *)&dl_ch_estimates_ext[(aatx<<1)+aarx][symbol_mod*6*12];
rxdataF128 = (__m128i *)&rxdataF_ext[aarx][symbol_mod*6*12];
rxdataF_comp128 = (__m128i *)&rxdataF_comp[(aatx<<1)+aarx][symbol_mod*6*12];
dl_ch128 = (__m128i *)&dl_ch_estimates_ext[(aatx<<1)+aarx][symbol*20*12];
rxdataF128 = (__m128i *)&rxdataF_ext[aarx][symbol*20*12];
rxdataF_comp128 = (__m128i *)&rxdataF_comp[(aatx<<1)+aarx][symbol*20*12];
//printf("ch compensation dl_ch ext addr %p \n", &dl_ch_estimates_ext[(aatx<<1)+aarx][symbol*20*12]);
//printf("rxdataf ext addr %p symbol %d\n", &rxdataF_ext[aarx][symbol*20*12], symbol);
//printf("rxdataf_comp addr %p\n",&rxdataF_comp[(aatx<<1)+aarx][symbol*20*12]);
#elif defined(__arm__)
// to be filled in
@@ -321,7 +313,6 @@ void nr_pbch_channel_compensation(int **rxdataF_ext,
// print_shorts("ch:",dl_ch128+1);
// print_shorts("pack:",rxdataF_comp128+1);
if (symbol_mod>1) {
// multiply by conjugated channel
mmtmpP0 = _mm_madd_epi16(dl_ch128[2],rxdataF128[2]);
// mmtmpP0 contains real part of 4 consecutive outputs (32-bit)
@@ -342,11 +333,7 @@ void nr_pbch_channel_compensation(int **rxdataF_ext,
dl_ch128+=3;
rxdataF128+=3;
rxdataF_comp128+=3;
} else {
dl_ch128+=2;
rxdataF128+=2;
rxdataF_comp128+=2;
}
#elif defined(__arm__)
// to be filled in
#endif
@@ -399,59 +386,30 @@ void nr_pbch_detection_mrc(NR_DL_FRAME_PARMS *frame_parms,
#endif
}
void nr_pbch_scrambling(NR_DL_FRAME_PARMS *frame_parms,
uint8_t *pbch_e,
uint32_t length)
{
int i;
uint8_t reset;
uint32_t x1, x2, s=0;
reset = 1;
// x1 is set in lte_gold_generic
x2 = frame_parms->Nid_cell; //this is c_init in 36.211 Sec 6.6.1
// msg("pbch_scrambling: Nid_cell = %d\n",x2);
for (i=0; i<length; i++) {
if ((i&0x1f)==0) {
s = lte_gold_generic(&x1, &x2, reset);
// printf("lte_gold[%d]=%x\n",i,s);
reset = 0;
}
pbch_e[i] = (pbch_e[i]&1) ^ ((s>>(i&0x1f))&1);
}
}
void nr_pbch_unscrambling(NR_DL_FRAME_PARMS *frame_parms,
int8_t* llr,
uint32_t length,
uint8_t frame_mod4)
uint8_t* pbch_a,
uint32_t length)
{
int i;
uint8_t reset;
uint32_t x1, x2, s=0;
//printf("unscramb nid_cell %d\n",frame_parms->Nid_cell);
reset = 1;
// x1 is set in first call to lte_gold_generic
x2 = frame_parms->Nid_cell; //this is c_init in 36.211 Sec 6.6.1
// msg("pbch_unscrambling: Nid_cell = %d\n",x2);
for (i=0; i<length; i++) {
if (i%32==0) {
s = lte_gold_generic(&x1, &x2, reset);
// printf("lte_gold[%d]=%x\n",i,s);
//printf("lte_gold[%d]=%x\n",i,s);
reset = 0;
}
// take the quarter of the PBCH that corresponds to this frame
if ((i>=(frame_mod4*(length>>2))) && (i<((1+frame_mod4)*(length>>2)))) {
// if (((s>>(i%32))&1)==1)
if (((s>>(i%32))&1)==0)
llr[i] = -llr[i];
}
//printf("s = %d\n",((s>>(i%32))&1) );
if (((s>>(i%32))&1)==1)
pbch_a[i] = 1-pbch_a[i];
}
}
@@ -501,19 +459,19 @@ void nr_pbch_quantize(int8_t *pbch_llr8,
uint16_t i;
for (i=0; i<len; i++) {
if (pbch_llr[i]>7)
/*if (pbch_llr[i]>7)
pbch_llr8[i]=7;
else if (pbch_llr[i]<-8)
pbch_llr8[i]=-8;
else
else*/
pbch_llr8[i] = (char)(pbch_llr[i]);
}
}
static unsigned char dummy_w_rx[3*3*(16+PBCH_A)];
static int8_t pbch_w_rx[3*3*(16+PBCH_A)],pbch_d_rx[96+(3*(16+PBCH_A))];
unsigned char sign(int8_t x) {
return (unsigned char)x >> 7;
}
uint16_t nr_rx_pbch( PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc,
@@ -527,39 +485,40 @@ uint16_t nr_rx_pbch( PHY_VARS_NR_UE *ue,
NR_UE_COMMON *nr_ue_common_vars = &ue->common_vars;
uint8_t log2_maxh;//,aatx,aarx;
uint8_t log2_maxh;
int max_h=0;
int symbol,i;
uint32_t nsymb = (frame_parms->Ncp==0) ? 14:12;
uint16_t pbch_E;
uint8_t pbch_a[8];
uint8_t RCC;
//uint8_t pbch_a[64];
uint8_t *pbch_a = malloc(sizeof(uint8_t) * 32); ;
int8_t *pbch_e_rx;
uint8_t *decoded_output = nr_ue_pbch_vars->decoded_output;
uint16_t crc;
//uint16_t crc;
//short nr_demod_table[8] = {0,0,0,1,1,0,1,1};
double nr_demod_table[8] = {0.707,0.707,0.707,-0.707,-0.707,0.707,-0.707,-0.707};
double *demod_pbch_e = malloc (sizeof(double) * 864);
unsigned short idx_demod =0;
int8_t decoderState=0;
uint8_t decoderListSize = 8, pathMetricAppr = 0;
double aPrioriArray[frame_parms->pbch_polar_params.payloadBits]; // assume no a priori knowledge available about the payload.
memset(&pbch_a[0], 0, sizeof(uint8_t) * NR_POLAR_PBCH_PAYLOAD_BITS);
//printf("nr_pbch_ue nid_cell %d\n",frame_parms->Nid_cell);
for (int i=0; i<frame_parms->pbch_polar_params.payloadBits; i++) aPrioriArray[i] = NAN;
int subframe_rx = proc->subframe_rx;
// pbch_D = 16+PBCH_A;
pbch_E = (frame_parms->Ncp==0) ? 1920 : 1728; //RE/RB * #RB * bits/RB (QPSK)
pbch_e_rx = &nr_ue_pbch_vars->llr[frame_mod4*(pbch_E>>2)];
#ifdef DEBUG_PBCH
msg("[PBCH] starting symbol loop (Ncp %d, frame_mod4 %d,mimo_mode %d\n",frame_parms->Ncp,frame_mod4,mimo_mode);
#endif
pbch_e_rx = &nr_ue_pbch_vars->llr[0];
// clear LLR buffer
memset(nr_ue_pbch_vars->llr,0,pbch_E);
memset(nr_ue_pbch_vars->llr,0,NR_POLAR_PBCH_E);
for (symbol=1; symbol<4; symbol++) {
#ifdef DEBUG_PBCH
msg("[PBCH] starting extract ofdm size %d\n",frame_parms->ofdm_symbol_size );
#endif
printf("address dataf %p",nr_ue_common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[subframe_rx]].rxdataF);
//printf("address dataf %p",nr_ue_common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[subframe_rx]].rxdataF);
//write_output("rxdataF0_pbch.m","rxF0pbch",nr_ue_common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[subframe_rx]].rxdataF,frame_parms->ofdm_symbol_size*4,2,1);
nr_pbch_extract(nr_ue_common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[subframe_rx]].rxdataF,
@@ -570,7 +529,7 @@ uint16_t nr_rx_pbch( PHY_VARS_NR_UE *ue,
high_speed_flag,
frame_parms);
#ifdef DEBUG_PBCH
msg("[PHY] PBCH Symbol %d\n",symbol);
msg("[PHY] PBCH Symbol %d ofdm size %d\n",symbol, frame_parms->ofdm_symbol_size );
msg("[PHY] PBCH starting channel_level\n");
#endif
@@ -590,6 +549,8 @@ uint16_t nr_rx_pbch( PHY_VARS_NR_UE *ue,
symbol,
log2_maxh); // log2_maxh+I0_shift
//write_output("rxdataF_comp.m","rxFcomp",nr_ue_pbch_vars->rxdataF_comp,180,2,1);
/*if (frame_parms->nb_antennas_rx > 1)
pbch_detection_mrc(frame_parms,
nr_ue_pbch_vars->rxdataF_comp,
@@ -598,25 +559,23 @@ uint16_t nr_rx_pbch( PHY_VARS_NR_UE *ue,
if (mimo_mode == ALAMOUTI) {
nr_pbch_alamouti(frame_parms,nr_ue_pbch_vars->rxdataF_comp,symbol);
// msg("[PBCH][RX] Alamouti receiver not yet implemented!\n");
// return(-1);
} else if (mimo_mode != SISO) {
msg("[PBCH][RX] Unsupported MIMO mode\n");
return(-1);
}
if (symbol>(nsymb>>1)+1) {
if (symbol==2) {
nr_pbch_quantize(pbch_e_rx,
(short*)&(nr_ue_pbch_vars->rxdataF_comp[0][(symbol%(nsymb>>1))*72]),
(short*)&(nr_ue_pbch_vars->rxdataF_comp[0][symbol*240]),
144);
pbch_e_rx+=144;
} else {
nr_pbch_quantize(pbch_e_rx,
(short*)&(nr_ue_pbch_vars->rxdataF_comp[0][(symbol%(nsymb>>1))*72]),
96);
(short*)&(nr_ue_pbch_vars->rxdataF_comp[0][symbol*240]),
360);
pbch_e_rx+=96;
pbch_e_rx+=360;
}
@@ -624,114 +583,45 @@ uint16_t nr_rx_pbch( PHY_VARS_NR_UE *ue,
pbch_e_rx = nr_ue_pbch_vars->llr;
//un-scrambling
#ifdef DEBUG_PBCH
msg("[PBCH] doing unscrambling\n");
//pbch_e_rx = &nr_ue_pbch_vars->llr[0];
short *p = (short *)&(nr_ue_pbch_vars->rxdataF_comp[0][1*20*12]);
for (int cnt = 0; cnt < 8 ; cnt++)
printf("pbch rx llr %d rxdata_comp %d addr %p\n",*(pbch_e_rx+cnt), p[cnt], &p[0]);
#endif
nr_pbch_unscrambling(frame_parms,
pbch_e_rx,
pbch_E,
frame_mod4);
//un-rate matching
for (i=0; i<NR_POLAR_PBCH_E/2; i++){
idx_demod = (sign(pbch_e_rx[i<<1])&1) ^ ((sign(pbch_e_rx[(i<<1)+1])&1)<<1);
demod_pbch_e[i<<1] = nr_demod_table[(idx_demod)<<1];
demod_pbch_e[(i<<1)+1] = nr_demod_table[((idx_demod)<<1)+1];
#ifdef DEBUG_PBCH
msg("[PBCH] doing un-rate-matching\n");
if (i<16){
printf("idx[%d]= %d\n", i , idx_demod);
printf("sign[%d]= %d sign[%d]= %d\n", i<<1 , sign(pbch_e_rx[i<<1]), (i<<1)+1 , sign(pbch_e_rx[(i<<1)+1]));
printf("demod_pbch_e2[%d] r = %2.3f i = %2.3f\n", i<<1 , demod_pbch_e[i<<1], demod_pbch_e[(i<<1)+1]);}
#endif
memset(dummy_w_rx,0,3*3*(16+PBCH_A));
RCC = generate_dummy_w_cc(16+PBCH_A,
dummy_w_rx);
lte_rate_matching_cc_rx(RCC,pbch_E,pbch_w_rx,dummy_w_rx,pbch_e_rx);
sub_block_deinterleaving_cc((unsigned int)(PBCH_A+16),
&pbch_d_rx[96],
&pbch_w_rx[0]);
memset(pbch_a,0,((16+PBCH_A)>>3));
phy_viterbi_lte_sse2(pbch_d_rx+96,pbch_a,16+PBCH_A);
// Fix byte endian of PBCH (bit 23 goes in first)
for (i=0; i<(PBCH_A>>3); i++)
decoded_output[(PBCH_A>>3)-i-1] = pbch_a[i];
#ifdef DEBUG_PBCH
for (i=0; i<(PBCH_A>>3); i++)
msg("[PBCH] pbch_a[%d] = %x\n",i,decoded_output[i]);
#endif //DEBUG_PBCH
#ifdef DEBUG_PBCH
msg("PBCH CRC %x : %x\n",
crc16(pbch_a,PBCH_A),
((uint16_t)pbch_a[PBCH_A>>3]<<8)+pbch_a[(PBCH_A>>3)+1]);
#endif
crc = (crc16(pbch_a,PBCH_A)>>16) ^
(((uint16_t)pbch_a[PBCH_A>>3]<<8)+pbch_a[(PBCH_A>>3)+1]);
if (crc == 0x0000)
return(1);
else if (crc == 0xffff)
return(2);
else if (crc == 0x5555)
return(4);
else
return(-1);
}
#ifdef PHY_ABSTRACTION
uint16_t rx_pbch_emul(PHY_VARS_UE *phy_vars_ue,
uint8_t eNB_id,
uint8_t pbch_phase)
{
double bler=0.0;//, x=0.0;
double sinr=0.0;
uint16_t nb_rb = phy_vars_ue->frame_parms.N_RB_DL;
int16_t f;
uint8_t CC_id=phy_vars_ue->CC_id;
int frame_rx = phy_vars_ue->proc.proc_rxtx[0].frame_rx;
// compute effective sinr
// TODO: adapt this to varible bandwidth
for (f=(nb_rb*6-3*12); f<(nb_rb*6+3*12); f++) {
if (f!=0) //skip DC
sinr += pow(10, 0.1*(phy_vars_ue->sinr_dB[f]));
}
sinr = 10*log10(sinr/(6*12));
//polar decoding de-rate matching
decoderState = polar_decoder(demod_pbch_e, pbch_a, &frame_parms->pbch_polar_params, decoderListSize, aPrioriArray, pathMetricAppr);
bler = pbch_bler(sinr);
//for (i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS; i++)
// printf("pbch_a[%d] = %u \n", i,pbch_a[i]);
//un-scrambling
nr_pbch_unscrambling(frame_parms,pbch_a,NR_POLAR_PBCH_PAYLOAD_BITS);
LOG_D(PHY,"EMUL UE rx_pbch_emul: eNB_id %d, pbch_phase %d, sinr %f dB, bler %f \n",
eNB_id,
pbch_phase,
sinr,
bler);
// Fix byte endian
for (i=0; i<(NR_POLAR_PBCH_PAYLOAD_BITS); i++)
decoded_output[(NR_POLAR_PBCH_PAYLOAD_BITS)-i-1] = pbch_a[i];
//#ifdef DEBUG_PBCH
for (i=0; i<(NR_POLAR_PBCH_PAYLOAD_BITS); i++)
printf("unscrambling pbch_a[%d] = %d \n", i,pbch_a[i]);
//for (i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS; i++)
// printf("[PBCH] decoder_output[%d] = %x\n",i,decoded_output[i]);
//#endif
if (pbch_phase == (frame_rx % 4)) {
if (uniformrandom() >= bler) {
memcpy(phy_vars_ue->pbch_vars[eNB_id]->decoded_output,PHY_vars_eNB_g[eNB_id][CC_id]->pbch_pdu,PBCH_PDU_SIZE);
return(PHY_vars_eNB_g[eNB_id][CC_id]->frame_parms.nb_antenna_ports_eNB);
} else
return(-1);
} else
return(-1);
}
#endif
openair1/PHY/defs_nr_UE.h
+4 -2
View File
@@ -34,6 +34,8 @@
#include "defs_nr_common.h"
#include "CODING/nrPolar_tools/nr_polar_pbch_defs.h"
#define _GNU_SOURCE
#include <stdio.h>
@@ -110,8 +112,8 @@
#define openair_sched_exit() exit(-1)
#define max(a,b) ((a)>(b) ? (a) : (b))
#define min(a,b) ((a)<(b) ? (a) : (b))
//#define max(a,b) ((a)>(b) ? (a) : (b))
//#define min(a,b) ((a)<(b) ? (a) : (b))
#define bzero(s,n) (memset((s),0,(n)))
targets/RT/USER/nr-ue.c
+3 -1
View File
@@ -61,6 +61,8 @@
#include "T.h"
extern double cpuf;
static nfapi_config_request_t config_t;
static nfapi_config_request_t* config =&config_t;
#define FRAME_PERIOD 100000000ULL
#define DAQ_PERIOD 66667ULL
@@ -413,7 +415,7 @@ static void *UE_thread_synch(void *arg) {
//UE->rfdevice.trx_set_gains_func(&openair0,&openair0_cfg[0]);
//UE->rfdevice.trx_stop_func(&UE->rfdevice);
// sleep(1);
nr_init_frame_parms_ue(&UE->frame_parms);
nr_init_frame_parms_ue(config,&UE->frame_parms);
/*if (UE->rfdevice.trx_start_func(&UE->rfdevice) != 0 ) {
LOG_E(HW,"Could not start the device\n");
oai_exit=1;