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Commit 69feaa7b authored by Wang Tsu-Han's avatar Wang Tsu-Han
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fixes for beam precoding

parent f4634e0d
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Showing with 40 additions and 130 deletions
executables/nr-ru.c
View file @ 69feaa7b
......@@ -1211,13 +1211,11 @@ static void *ru_stats_thread(void *param) {
sleep(1);
if (opp_enabled == 1) {
if (ru->feptx_prec) {
print_meas(&ru->precoding_stats,"feptx_prec",NULL,NULL);
}
if (ru->feprx) print_meas(&ru->ofdm_demod_stats,"feprx",NULL,NULL);
if (ru->feptx_ofdm){
print_meas(&ru->precoding_stats,"feptx_prec",NULL,NULL);
print_meas(&ru->txdataF_copy_stats,"txdataF_copy",NULL,NULL);
print_meas(&ru->ofdm_mod_stats,"feptx_ofdm",NULL,NULL);
print_meas(&ru->ofdm_total_stats,"feptx_total",NULL,NULL);
......@@ -1281,9 +1279,9 @@ static void *ru_thread_tx( void *param ) {
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TTI_NUMBER_TX0_RU, tti_tx );
// do TX front-end processing if needed (precoding and/or IDFTs)
//if (ru->feptx_prec) ru->feptx_prec(ru,frame_tx,tti_tx);
if (ru->feptx_prec) ru->feptx_prec(ru,frame_tx,tti_tx);
// do OFDM if needed
// do OFDM with/without TX front-end processing if needed
if ((ru->fh_north_asynch_in == NULL) && (ru->feptx_ofdm)) ru->feptx_ofdm(ru,frame_tx,tti_tx);
if(!emulate_rf) {
......@@ -1524,9 +1522,9 @@ static void *ru_thread( void *param ) {
if(get_thread_parallel_conf() == PARALLEL_SINGLE_THREAD || ru->num_gNB==0) {
// do TX front-end processing if needed (precoding and/or IDFTs)
//if (ru->feptx_prec) ru->feptx_prec(ru,proc->frame_tx,proc->tti_tx);
if (ru->feptx_prec) ru->feptx_prec(ru,proc->frame_tx,proc->tti_tx);
// do OFDM if needed
// do OFDM with/without TX front-end processing if needed
if ((ru->fh_north_asynch_in == NULL) && (ru->feptx_ofdm)) ru->feptx_ofdm(ru,proc->frame_tx,proc->tti_tx);
if(!emulate_rf) {
......@@ -1734,7 +1732,6 @@ void init_RU_proc(RU_t *ru) {
if (ru->feprx) nr_init_feprx_thread(ru);
if (ru->feptx_ofdm) nr_init_feptx_thread(ru);
//if (ru->feptx_prec) nr_init_feptx_prec_thread(ru);
}
if (opp_enabled == 1) threadCreate(&ru->ru_stats_thread,ru_stats_thread,(void *)ru, "emulateRF", -1, OAI_PRIORITY_RT_LOW);
......@@ -2047,9 +2044,9 @@ void set_function_spec_param(RU_t *ru) {
malloc_IF4p5_buffer(ru);
} else if (ru->function == gNodeB_3GPP) {
ru->do_prach = 0; // no prach processing in RU
ru->feprx = (get_thread_worker_conf() == WORKER_ENABLE) ? nr_fep_full_2thread : nr_fep_full; // RX DFTs
ru->feprx = (get_thread_worker_conf() == WORKER_ENABLE) ? nr_fep_full_2thread : nr_fep_full; // RX DFTs
ru->feptx_ofdm = (get_thread_worker_conf() == WORKER_ENABLE) ? nr_feptx_ofdm_2thread : nr_feptx_ofdm; // this is fep with idft and precoding
ru->feptx_prec = nr_feptx_prec; // this is fep with idft and precoding
ru->feptx_prec = (get_thread_worker_conf() == WORKER_ENABLE) ? NULL : nr_feptx_prec; // this is fep with idft and precoding
ru->fh_north_in = NULL; // no incoming fronthaul from north
ru->fh_north_out = NULL; // no outgoing fronthaul to north
ru->nr_start_if = NULL; // no if interface
......@@ -2077,8 +2074,8 @@ void set_function_spec_param(RU_t *ru) {
case REMOTE_IF5: // the remote unit is IF5 RRU
ru->do_prach = 0;
ru->feprx = (get_thread_worker_conf() == WORKER_ENABLE) ? nr_fep_full_2thread : nr_fep_full; // this is frequency-shift + DFTs
ru->feptx_prec = nr_feptx_prec; // need to do transmit Precoding + IDFTs
ru->feprx = (get_thread_worker_conf() == WORKER_ENABLE) ? nr_fep_full_2thread : nr_fep_full; // this is frequency-shift + DFTs
ru->feptx_prec = (get_thread_worker_conf() == WORKER_ENABLE) ? NULL : nr_feptx_prec; // need to do transmit Precoding + IDFTs
ru->feptx_ofdm = (get_thread_worker_conf() == WORKER_ENABLE) ? nr_feptx_ofdm_2thread : nr_feptx_ofdm; // need to do transmit Precoding + IDFTs
ru->fh_south_in = fh_if5_south_in; // synchronous IF5 reception
ru->fh_south_out = fh_if5_south_out; // synchronous IF5 transmission
......@@ -2102,7 +2099,7 @@ void set_function_spec_param(RU_t *ru) {
case REMOTE_IF4p5:
ru->do_prach = 0;
ru->feprx = NULL; // DFTs
ru->feptx_prec = nr_feptx_prec; // Precoding operation
ru->feptx_prec = (get_thread_worker_conf() == WORKER_ENABLE) ? NULL : nr_feptx_prec; // Precoding operation
ru->feptx_ofdm = NULL; // no OFDM mod
ru->fh_south_in = fh_if4p5_south_in; // synchronous IF4p5 reception
ru->fh_south_out = fh_if4p5_south_out; // synchronous IF4p5 transmission
......
openair1/SCHED_NR/nr_ru_procedures.c
View file @ 69feaa7b
......@@ -239,9 +239,22 @@ static void *nr_feptx_thread(void *param) {
nb_antenna_ports = feptx->nb_antenna_ports;
ofdm_mask_full = (1<<(ru->nb_tx*2))-1;
bw = ru->beam_weights[0];
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_PREC , 1);
start_meas(&ru->precoding_stats);
nr_beam_precoding(ru->common.txdataF,
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,
......@@ -249,7 +262,10 @@ static void *nr_feptx_thread(void *param) {
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 , 0);
start_meas(&ru->ofdm_mod_stats);
nr_feptx0(ru,slot,start,1,aa);
......@@ -270,24 +286,6 @@ static void *nr_feptx_thread(void *param) {
return(NULL);
}
void nr_init_feptx_thread(RU_t *ru) {
RU_proc_t *proc = &ru->proc;
RU_feptx_t *feptx = proc->feptx;
int i = 0;
for(i=0; i<16; i++){
feptx[i].instance_cnt_feptx = -1;
pthread_mutex_init( &feptx[i].mutex_feptx, NULL);
pthread_cond_init( &feptx[i].cond_feptx, NULL);
threadCreate(&feptx[i].pthread_feptx, nr_feptx_thread, (void*)&feptx[i], "feptx", -1, OAI_PRIORITY_RT);
LOG_I(PHY,"init feptx thread %d\n", i);
}
}
// is this supposed to generate a slot or a subframe???
// seems to be hardcoded to numerology 1 (2 slots=1 subframe)
......@@ -323,95 +321,25 @@ void nr_feptx_ofdm(RU_t *ru,int frame_tx,int tti_tx) {
}
static void *nr_feptx_prec_thread(void *param) {
RU_prec_t *prec = (RU_prec_t *) param;
RU_t *ru;
NR_DL_FRAME_PARMS *fp;
int symbol;
int p;
int aa;
int32_t *bw;
int32_t **txdataF;
int32_t **txdataF_BF;
while(!oai_exit)
{
if (wait_on_condition(&prec->mutex_feptx_prec,&prec->cond_feptx_prec,&prec->instance_cnt_feptx_prec,"NR feptx prec thread")<0) break;
ru = prec->ru;
symbol = prec->symbol;
p = prec->p;
aa = prec->aa;
fp = ru->nr_frame_parms;
bw = ru->beam_weights[0][p][aa];
txdataF = ru->common.txdataF;
txdataF_BF = ru->common.txdataF_BF;
multadd_cpx_vector((int16_t*)&txdataF[p][symbol*fp->ofdm_symbol_size],
(int16_t*)bw,
(int16_t*)&txdataF_BF[aa][symbol*fp->ofdm_symbol_size],
0,
fp->ofdm_symbol_size,
15);
if (release_thread(&prec->mutex_feptx_prec,&prec->instance_cnt_feptx_prec,"NR feptx thread")<0) break;
}
return 0;
}
void nr_feptx_prec_control(RU_t *ru,int frame,int tti_tx) {
int ret = 0;
int i = 0;
int symbol = 0;
int p = 0;
int aa = 0;
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
int nb_antenna_ports = fp->Lmax; // for now logical antenna ports corresponds to SSB
RU_prec_t *prec = ru->proc.prec;
PHY_VARS_gNB **gNB_list = ru->gNB_list,*gNB;
void nr_init_feptx_thread(RU_t *ru) {
gNB = gNB_list[0];
RU_proc_t *proc = &ru->proc;
RU_feptx_t *feptx = proc->feptx;
int i = 0;
start_meas(&ru->precoding_stats);
for(i=0; i<nb_antenna_ports; ++i)
memcpy((void*)ru->common.txdataF[i],
(void*)gNB->common_vars.txdataF[i],
fp->samples_per_slot_wCP*sizeof(int32_t));
for(i=0; i<16; i++){
feptx[i].instance_cnt_feptx = -1;
pthread_mutex_init( &feptx[i].mutex_feptx, NULL);
pthread_cond_init( &feptx[i].cond_feptx, NULL);
for(symbol = 0; symbol < fp->symbols_per_slot; ++symbol){
for(p=0; p<nb_antenna_ports; p++){
for(aa=0;aa<ru->nb_tx;aa++){
if ((fp->L_ssb >> p) & 0x01){
while(1){
if(prec[i].instance_cnt_feptx_prec == -1){
AssertFatal((ret=pthread_mutex_lock(&prec[i].mutex_feptx_prec))==0,"mutex_lock return %d\n",ret);
prec[i].instance_cnt_feptx_prec = 0;
prec[i].symbol = symbol;
prec[i].p = p;
prec[i].aa = aa;
prec[i].index = i;
prec[i].ru = ru;
AssertFatal(pthread_cond_signal(&prec[i].cond_feptx_prec) == 0,"ERROR pthread_cond_signal for gNB_L1_thread\n");
AssertFatal((ret=pthread_mutex_unlock(&prec[i].mutex_feptx_prec))==0,"mutex_lock returns %d\n",ret);
i = (i+1) % 16;
break;
}
i = (i+1) % 16;
}
}//(frame_params->Lssb >> p) & 0x01
}//aa
}//p
}//symbol
i = 0;
while(1){
if(prec[i].instance_cnt_feptx_prec == -1) ++i;
if(i == 16) break;
threadCreate(&feptx[i].pthread_feptx, nr_feptx_thread, (void*)&feptx[i], "feptx", -1, OAI_PRIORITY_RT);
LOG_I(PHY,"init feptx thread %d\n", i);
}
stop_meas(&ru->precoding_stats);
}
void nr_feptx_prec(RU_t *ru,int frame,int tti_tx) {
int l,aa;
......@@ -467,21 +395,6 @@ void nr_feptx_prec(RU_t *ru,int frame,int tti_tx) {
stop_meas(&ru->precoding_stats);
}
void nr_init_feptx_prec_thread(RU_t *ru){
RU_proc_t *proc = &ru->proc;
RU_prec_t *prec = proc->prec;
int i=0;
for(i=0; i<16; ++i){
prec[i].instance_cnt_feptx_prec = -1;
pthread_mutex_init( &prec[i].mutex_feptx_prec, NULL);
pthread_cond_init( &prec[i].cond_feptx_prec, NULL);
threadCreate(&prec[i].pthread_feptx_prec, nr_feptx_prec_thread, (void*)&prec[i], "nr_feptx_prec", -1, OAI_PRIORITY_RT);
}
}
void nr_fep0(RU_t *ru, int first_half) {
uint8_t start_symbol, end_symbol, l, aa;
......
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