Commit 4143cb16 authored by Florian Kaltenberger's avatar Florian Kaltenberger

Merge remote-tracking branch 'origin/ru-parallel-beamforming-fix' into...

Merge remote-tracking branch 'origin/ru-parallel-beamforming-fix' into integration-develop-nr-2019w51
parents 84f01c5e 1e4cbce2
...@@ -120,10 +120,10 @@ void nr_feptx_ofdm_2thread(RU_t *ru,int frame_tx,int tti_tx) { ...@@ -120,10 +120,10 @@ void nr_feptx_ofdm_2thread(RU_t *ru,int frame_tx,int tti_tx) {
int slot = tti_tx; int slot = tti_tx;
int i = 0; int i = 0;
int j = 0; int j = 0;//symbol
int aa = 0; int aa = 0;//logical antenna number
int ret = 0; int ret = 0;
int nb_antenna_ports = fp->N_ssb; int nb_antenna_ports = fp->L_ssb;
int ofdm_mask_full = (1<<(ru->nb_tx*2))-1; int ofdm_mask_full = (1<<(ru->nb_tx*2))-1;
int txdataF_offset = ((tti_tx%2)*fp->samples_per_slot_wCP); int txdataF_offset = ((tti_tx%2)*fp->samples_per_slot_wCP);
...@@ -133,67 +133,99 @@ void nr_feptx_ofdm_2thread(RU_t *ru,int frame_tx,int tti_tx) { ...@@ -133,67 +133,99 @@ void nr_feptx_ofdm_2thread(RU_t *ru,int frame_tx,int tti_tx) {
} }
start_meas(&ru->ofdm_total_stats); start_meas(&ru->ofdm_total_stats);
if(ru->num_gNB != 0){//L1 RU on same machine
for(j=0; j<fp->symbols_per_slot; ++j){
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_PREC+j , 1);
start_meas(&ru->txdataF_copy_stats);
if (ru->num_gNB == 1){
gNB = ru->gNB_list[0];
cfg = &gNB->gNB_config;
for(i=0; i<nb_antenna_ports; ++i){
memcpy((void*)&ru->common.txdataF[i][j*fp->ofdm_symbol_size],
(void*)&gNB->common_vars.txdataF[i][j*fp->ofdm_symbol_size + txdataF_offset],
fp->ofdm_symbol_size*sizeof(int32_t));
}
}//num_gNB == 1
stop_meas(&ru->txdataF_copy_stats);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_PREC+j , 0);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_OFDM , 1 ); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_OFDM , 1 );
for(j=0; j<2; ++j){//half slot
if (nr_slot_select(cfg,slot,frame_tx)==SF_DL) {
// If this is not an S-tti
for(i=0; i<ru->nb_tx; ++i){ for(i=0; i<ru->nb_tx; ++i){
if(j%2 == 0){ if(j == 0){
while(feptx[i].instance_cnt_feptx != -1){
usleep(5);
}
AssertFatal((ret=pthread_mutex_lock(&feptx[i].mutex_feptx))==0,"mutex_lock return %d\n",ret); AssertFatal((ret=pthread_mutex_lock(&feptx[i].mutex_feptx))==0,"mutex_lock return %d\n",ret);
feptx[i].aa = i; feptx[i].aa = i;
feptx[i].index = i; feptx[i].index = i;
feptx[i].ru = ru; feptx[i].ru = ru;
feptx[i].symbol = j; feptx[i].symbol = 0;
feptx[i].slot = slot; feptx[i].slot = slot;
feptx[i].nb_antenna_ports = nb_antenna_ports; feptx[i].nb_antenna_ports = nb_antenna_ports;
feptx[i].instance_cnt_feptx = 0; feptx[i].instance_cnt_feptx = 0;
AssertFatal(pthread_cond_signal(&feptx[i].cond_feptx) == 0,"ERROR pthread_cond_signal for feptx_ofdm_thread\n"); AssertFatal(pthread_cond_signal(&feptx[i].cond_feptx) == 0,"ERROR pthread_cond_signal for feptx_ofdm_thread\n");
AssertFatal((ret=pthread_mutex_unlock(&feptx[i].mutex_feptx))==0,"mutex_lock returns %d\n",ret); AssertFatal((ret=pthread_mutex_unlock(&feptx[i].mutex_feptx))==0,"mutex_lock returns %d\n",ret);
} }//first half
else{ else{
while(feptx[i+ru->nb_tx].instance_cnt_feptx != -1){
usleep(5);
}
AssertFatal((ret=pthread_mutex_lock(&feptx[i+ru->nb_tx].mutex_feptx))==0,"mutex_lock return %d\n",ret); AssertFatal((ret=pthread_mutex_lock(&feptx[i+ru->nb_tx].mutex_feptx))==0,"mutex_lock return %d\n",ret);
feptx[i+ru->nb_tx].aa = i; feptx[i+ru->nb_tx].aa = i;
feptx[i+ru->nb_tx].index = i+ru->nb_tx; feptx[i+ru->nb_tx].index = i+ru->nb_tx;
feptx[i+ru->nb_tx].ru = ru; feptx[i+ru->nb_tx].ru = ru;
feptx[i+ru->nb_tx].symbol = j; feptx[i+ru->nb_tx].symbol = fp->symbols_per_slot>>1;
feptx[i+ru->nb_tx].slot = slot; feptx[i+ru->nb_tx].slot = slot;
feptx[i+ru->nb_tx].nb_antenna_ports = nb_antenna_ports; feptx[i+ru->nb_tx].nb_antenna_ports = nb_antenna_ports;
feptx[i+ru->nb_tx].instance_cnt_feptx = 0; feptx[i+ru->nb_tx].instance_cnt_feptx = 0;
AssertFatal(pthread_cond_signal(&feptx[i+ru->nb_tx].cond_feptx) == 0,"ERROR pthread_cond_signal for feptx_ofdm_thread\n"); AssertFatal(pthread_cond_signal(&feptx[i+ru->nb_tx].cond_feptx) == 0,"ERROR pthread_cond_signal for feptx_ofdm_thread\n");
AssertFatal((ret=pthread_mutex_unlock(&feptx[i+ru->nb_tx].mutex_feptx))==0,"mutex_lock returns %d\n",ret); AssertFatal((ret=pthread_mutex_unlock(&feptx[i+ru->nb_tx].mutex_feptx))==0,"mutex_lock returns %d\n",ret);
}//second half
}//physical antenna
}//half slot
}//if L1 RU on same machine
else{//(RU only machine)
for(j=0; j<fp->symbols_per_slot; ++j){
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_PREC+j , 1);
start_meas(&ru->txdataF_copy_stats);
if (ru->num_gNB == 1){
gNB = ru->gNB_list[0];
cfg = &gNB->gNB_config;
for(i=0; i<nb_antenna_ports; ++i){
memcpy((void*)&ru->common.txdataF[i][j*fp->ofdm_symbol_size],
(void*)&gNB->common_vars.txdataF[i][j*fp->ofdm_symbol_size + txdataF_offset],
fp->ofdm_symbol_size*sizeof(int32_t));
}
}//num_gNB == 1
stop_meas(&ru->txdataF_copy_stats);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_PREC+j , 0);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_OFDM , 1 );
if (nr_slot_select(cfg,slot,frame_tx)==SF_DL) {
// If this is not an S-tti
for(i=0; i<ru->nb_tx; ++i){
if(j%2 == 0){
while(feptx[i].instance_cnt_feptx != -1){
usleep(5);
}
AssertFatal((ret=pthread_mutex_lock(&feptx[i].mutex_feptx))==0,"mutex_lock return %d\n",ret);
feptx[i].aa = i;
feptx[i].index = i;
feptx[i].ru = ru;
feptx[i].symbol = j;
feptx[i].slot = slot;
feptx[i].nb_antenna_ports = nb_antenna_ports;
feptx[i].instance_cnt_feptx = 0;
AssertFatal(pthread_cond_signal(&feptx[i].cond_feptx) == 0,"ERROR pthread_cond_signal for feptx_ofdm_thread\n");
AssertFatal((ret=pthread_mutex_unlock(&feptx[i].mutex_feptx))==0,"mutex_lock returns %d\n",ret);
}
else{
while(feptx[i+ru->nb_tx].instance_cnt_feptx != -1){
usleep(5);
}
AssertFatal((ret=pthread_mutex_lock(&feptx[i+ru->nb_tx].mutex_feptx))==0,"mutex_lock return %d\n",ret);
feptx[i+ru->nb_tx].aa = i;
feptx[i+ru->nb_tx].index = i+ru->nb_tx;
feptx[i+ru->nb_tx].ru = ru;
feptx[i+ru->nb_tx].symbol = j;
feptx[i+ru->nb_tx].slot = slot;
feptx[i+ru->nb_tx].nb_antenna_ports = nb_antenna_ports;
feptx[i+ru->nb_tx].instance_cnt_feptx = 0;
AssertFatal(pthread_cond_signal(&feptx[i+ru->nb_tx].cond_feptx) == 0,"ERROR pthread_cond_signal for feptx_ofdm_thread\n");
AssertFatal((ret=pthread_mutex_unlock(&feptx[i+ru->nb_tx].mutex_feptx))==0,"mutex_lock returns %d\n",ret);
}
} }
}
}//if == SF_DL }//if == SF_DL
else { else {
proc->feptx_mask = ofdm_mask_full; proc->feptx_mask = ofdm_mask_full;
} }
}//j<fp->symbols_per_slot }//j<fp->symbols_per_slot
}//else (RU only machine)
// wait all process to finish // wait all process to finish
AssertFatal((ret=pthread_mutex_lock(&proc->mutex_feptx))==0,"mutex_lock return %d\n",ret); AssertFatal((ret=pthread_mutex_lock(&proc->mutex_feptx))==0,"mutex_lock return %d\n",ret);
...@@ -208,7 +240,6 @@ void nr_feptx_ofdm_2thread(RU_t *ru,int frame_tx,int tti_tx) { ...@@ -208,7 +240,6 @@ void nr_feptx_ofdm_2thread(RU_t *ru,int frame_tx,int tti_tx) {
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_RU_TX_OFDM_MASK, proc->feptx_mask ); VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_RU_TX_OFDM_MASK, proc->feptx_mask );
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_OFDM , 0 ); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_OFDM , 0 );
//write_output
stop_meas(&ru->ofdm_total_stats); stop_meas(&ru->ofdm_total_stats);
...@@ -219,9 +250,12 @@ static void *nr_feptx_thread(void *param) { ...@@ -219,9 +250,12 @@ static void *nr_feptx_thread(void *param) {
RU_feptx_t *feptx = (RU_feptx_t *)param; RU_feptx_t *feptx = (RU_feptx_t *)param;
RU_t *ru; RU_t *ru;
int aa, slot, start, l, nb_antenna_ports, ret; int aa, slot, start, l, nb_antenna_ports, ret;
int i;
int32_t ***bw; int32_t ***bw;
NR_DL_FRAME_PARMS *fp; NR_DL_FRAME_PARMS *fp;
int ofdm_mask_full; int ofdm_mask_full;
int txdataF_offset;
int32_t *txdataF;
while (!oai_exit) { while (!oai_exit) {
...@@ -239,50 +273,99 @@ static void *nr_feptx_thread(void *param) { ...@@ -239,50 +273,99 @@ static void *nr_feptx_thread(void *param) {
nb_antenna_ports = feptx->nb_antenna_ports; nb_antenna_ports = feptx->nb_antenna_ports;
ofdm_mask_full = (1<<(ru->nb_tx*2))-1; ofdm_mask_full = (1<<(ru->nb_tx*2))-1;
if(ru->num_gNB != 0){
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_PREC , 1); txdataF_offset = ((slot%2)*fp->samples_per_slot_wCP);
start_meas(&ru->precoding_stats); ////////////precoding////////////
if (ru->nb_tx == 1) { VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_PREC+feptx->index+1 , 1);
AssertFatal(fp->N_ssb==ru->nb_tx,"Attempting to transmit %d SSB while Nb_tx = %d",fp->N_ssb,ru->nb_tx); start_meas(&ru->precoding_stats);
for (int p=0; p<fp->Lmax; p++) { if (ru->nb_tx == 1) {
if ((fp->L_ssb >> p) & 0x01){ AssertFatal(fp->N_ssb==ru->nb_tx,"Attempting to transmit %d SSB while Nb_tx = %d",fp->N_ssb,ru->nb_tx);
memcpy((void*)&ru->common.txdataF_BF[0][l*fp->ofdm_symbol_size], for (int p=0; p<fp->Lmax; p++) {
(void*)&ru->common.txdataF[p][l*fp->ofdm_symbol_size], if ((fp->L_ssb >> p) & 0x01){
fp->ofdm_symbol_size*sizeof(int32_t)); memcpy((void*)&ru->common.txdataF_BF[0][l*fp->ofdm_symbol_size],
(void*)&ru->gNB_list[0]->common_vars.txdataF[p][txdataF_offset + l*fp->ofdm_symbol_size],
(fp->samples_per_slot_wCP>>1)*sizeof(int32_t));
}
} }
} }
} else {
else { bw = ru->beam_weights[0];
bw = ru->beam_weights[0]; txdataF = &ru->gNB_list[0]->common_vars.txdataF[0][txdataF_offset];
nr_beam_precoding(ru->common.txdataF, for(i=0; i<fp->symbols_per_slot>>1; ++i){
nr_beam_precoding(&txdataF,
ru->common.txdataF_BF, ru->common.txdataF_BF,
fp, fp,
bw, bw,
slot, slot,
l, l+i,
aa, aa,
nb_antenna_ports); nb_antenna_ports);
} }
stop_meas(&ru->precoding_stats); }
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_PREC , 0); stop_meas(&ru->precoding_stats);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_PREC+feptx->index+1 , 0);
start_meas(&ru->ofdm_mod_stats); ////////////FEPTX////////////
nr_feptx0(ru,slot,start,1,aa); start_meas(&ru->ofdm_mod_stats);
stop_meas(&ru->ofdm_mod_stats); nr_feptx0(ru,slot,start,fp->symbols_per_slot>>1,aa);
stop_meas(&ru->ofdm_mod_stats);
if (release_thread(&feptx->mutex_feptx,&feptx->instance_cnt_feptx,"NR feptx thread")<0) break; if (release_thread(&feptx->mutex_feptx,&feptx->instance_cnt_feptx,"NR feptx thread")<0) break;
if(l >= fp->symbols_per_slot -2){
AssertFatal((ret=pthread_mutex_lock(&ru->proc.mutex_feptx))==0,"mutex_lock return %d\n",ret); AssertFatal((ret=pthread_mutex_lock(&ru->proc.mutex_feptx))==0,"mutex_lock return %d\n",ret);
ru->proc.feptx_mask |= 1<<(feptx->index); ru->proc.feptx_mask |= 1<<(feptx->index);
if(ru->proc.feptx_mask == ofdm_mask_full) if(ru->proc.feptx_mask == ofdm_mask_full)
AssertFatal(pthread_cond_signal(&ru->proc.cond_feptx) == 0,"ERROR pthread_cond_signal for precoding and ofdm finish\n"); AssertFatal(pthread_cond_signal(&ru->proc.cond_feptx) == 0,"ERROR pthread_cond_signal for precoding and ofdm finish\n");
AssertFatal((ret=pthread_mutex_unlock(&ru->proc.mutex_feptx))==0,"mutex_lock returns %d\n",ret); AssertFatal((ret=pthread_mutex_unlock(&ru->proc.mutex_feptx))==0,"mutex_lock returns %d\n",ret);
}
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_RU_TX_OFDM_MASK, ru->proc.feptx_mask ); VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_RU_TX_OFDM_MASK, ru->proc.feptx_mask );
}// if L1 RU on same machine
else{
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_PREC+feptx->index+1 , 1);
start_meas(&ru->precoding_stats);
if (ru->nb_tx == 1) {
AssertFatal(fp->N_ssb==ru->nb_tx,"Attempting to transmit %d SSB while Nb_tx = %d",fp->N_ssb,ru->nb_tx);
for (int p=0; p<fp->Lmax; p++) {
if ((fp->L_ssb >> p) & 0x01){
memcpy((void*)&ru->common.txdataF_BF[0][l*fp->ofdm_symbol_size],
(void*)&ru->common.txdataF[p][l*fp->ofdm_symbol_size],
fp->ofdm_symbol_size*sizeof(int32_t));
}
}
}
else {
bw = ru->beam_weights[0];
nr_beam_precoding(ru->common.txdataF,
ru->common.txdataF_BF,
fp,
bw,
slot,
l,
aa,
nb_antenna_ports);
}
stop_meas(&ru->precoding_stats);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_PREC+feptx->index+1 , 0);
start_meas(&ru->ofdm_mod_stats);
nr_feptx0(ru,slot,start,1,aa);
stop_meas(&ru->ofdm_mod_stats);
if (release_thread(&feptx->mutex_feptx,&feptx->instance_cnt_feptx,"NR feptx thread")<0) break;
if(l >= fp->symbols_per_slot -2){
AssertFatal((ret=pthread_mutex_lock(&ru->proc.mutex_feptx))==0,"mutex_lock return %d\n",ret);
ru->proc.feptx_mask |= 1<<(feptx->index);
if(ru->proc.feptx_mask == ofdm_mask_full)
AssertFatal(pthread_cond_signal(&ru->proc.cond_feptx) == 0,"ERROR pthread_cond_signal for precoding and ofdm finish\n");
AssertFatal((ret=pthread_mutex_unlock(&ru->proc.mutex_feptx))==0,"mutex_lock returns %d\n",ret);
}
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_RU_TX_OFDM_MASK, ru->proc.feptx_mask );
}// else (RU only machine)
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_OFDM+feptx->index+1 , 0 ); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_OFDM+feptx->index+1 , 0 );
} }// while (oai_exit)
return(NULL); return(NULL);
} }
...@@ -324,7 +407,7 @@ void nr_init_feptx_thread(RU_t *ru) { ...@@ -324,7 +407,7 @@ void nr_init_feptx_thread(RU_t *ru) {
RU_feptx_t *feptx = proc->feptx; RU_feptx_t *feptx = proc->feptx;
int i = 0; int i = 0;
for(i=0; i<16; i++){ for(i=0; i<(ru->nb_tx*2); i++){
feptx[i].instance_cnt_feptx = -1; feptx[i].instance_cnt_feptx = -1;
pthread_mutex_init( &feptx[i].mutex_feptx, NULL); pthread_mutex_init( &feptx[i].mutex_feptx, NULL);
......
[*] [*]
[*] GTKWave Analyzer v3.3.58 (w)1999-2014 BSI [*] GTKWave Analyzer v3.3.61 (w)1999-2014 BSI
[*] Fri Sep 6 15:01:30 2019 [*] Tue Dec 17 15:31:51 2019
[*] [*]
[dumpfile] "/tmp/gNB_prec.vcd" [dumpfile] "/tmp/gNB.vcd"
[dumpfile_mtime] "Fri Sep 6 14:59:50 2019" [dumpfile_mtime] "Tue Dec 17 15:25:49 2019"
[dumpfile_size] 13106022 [dumpfile_size] 6343431
[savefile] "/homes/wangts/openairinterface5g/targets/RT/USER/gNB_usrp.gtkw" [savefile] "/home/wangts/openairinterface5g/targets/RT/USER/gNB_usrp.gtkw"
[timestart] 2183320000 [timestart] 1517712000
[size] 1920 1018 [size] 1920 1018
[pos] -1 -1 [pos] -9 -33
*-18.423141 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 *-19.276148 1518358451 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
[sst_width] 386 [sst_width] 386
[signals_width] 344 [signals_width] 344
[sst_expanded] 1 [sst_expanded] 1
...@@ -60,9 +60,11 @@ functions.phy_procedures_ru_feprx0 ...@@ -60,9 +60,11 @@ functions.phy_procedures_ru_feprx0
functions.phy_procedures_ru_feprx1 functions.phy_procedures_ru_feprx1
functions.phy_procedures_ru_feptx_ofdm0 functions.phy_procedures_ru_feptx_ofdm0
functions.phy_procedures_ru_feptx_ofdm1 functions.phy_procedures_ru_feptx_ofdm1
functions.phy_procedures_ru_feptx_ofdm2
functions.phy_procedures_ru_feptx_prec0 functions.phy_procedures_ru_feptx_prec0
functions.phy_procedures_ru_feptx_prec1 functions.phy_procedures_ru_feptx_prec1
@23 functions.phy_procedures_ru_feptx_prec2
@22
variables.ru_tx_ofdm_mask[63:0] variables.ru_tx_ofdm_mask[63:0]
[pattern_trace] 1 [pattern_trace] 1
[pattern_trace] 0 [pattern_trace] 0
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