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Merge remote-tracking branch 'origin/develop' into NR_cleanup_MACPHY

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This commit is contained in:
francescomani
2021-10-20 15:50:18 +02:00
parent c77fd8aae7 a722993724
commit a8d2265a9d
171 changed files with 6976 additions and 3063 deletions
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openair1/SIMULATION/LTE_PHY/dlsim.c
+5 -5
View File
@@ -182,7 +182,7 @@ void DL_channel(RU_t *ru,PHY_VARS_UE *UE,uint subframe,int awgn_flag,double SNR,
if (UE->perfect_ce==1) {
// fill in perfect channel estimates
freq_channel(eNB2UE[round],UE->frame_parms.N_RB_DL,12*UE->frame_parms.N_RB_DL + 1);
freq_channel(eNB2UE[round],UE->frame_parms.N_RB_DL,12*UE->frame_parms.N_RB_DL + 1, 15);
/*
LOG_M("channel.m","ch",eNB2UE[round]->ch[0],eNB2UE[round]->channel_length,1,8);
LOG_M("channelF.m","chF",eNB2UE[round]->chF[0],12*UE->frame_parms.N_RB_DL + 1,1,8);
@@ -193,7 +193,7 @@ void DL_channel(RU_t *ru,PHY_VARS_UE *UE,uint subframe,int awgn_flag,double SNR,
if(abstx) {
if (trials==0 && round==0) {
// calculate freq domain representation to compute SINR
freq_channel(eNB2UE[0], ru->frame_parms->N_RB_DL,2*ru->frame_parms->N_RB_DL + 1);
freq_channel(eNB2UE[0], ru->frame_parms->N_RB_DL,2*ru->frame_parms->N_RB_DL + 1, 15);
// snr=pow(10.0,.1*SNR);
fprintf(csv_fd,"%f,",SNR);
@@ -208,7 +208,7 @@ void DL_channel(RU_t *ru,PHY_VARS_UE *UE,uint subframe,int awgn_flag,double SNR,
}
if(num_rounds>1) {
freq_channel(eNB2UE[1], ru->frame_parms->N_RB_DL,2*ru->frame_parms->N_RB_DL + 1);
freq_channel(eNB2UE[1], ru->frame_parms->N_RB_DL,2*ru->frame_parms->N_RB_DL + 1, 15);
for (u=0; u<2*ru->frame_parms->N_RB_DL; u++) {
for (aarx=0; aarx<eNB2UE[1]->nb_rx; aarx++) {
@@ -220,7 +220,7 @@ void DL_channel(RU_t *ru,PHY_VARS_UE *UE,uint subframe,int awgn_flag,double SNR,
}
}
freq_channel(eNB2UE[2], ru->frame_parms->N_RB_DL,2*ru->frame_parms->N_RB_DL + 1);
freq_channel(eNB2UE[2], ru->frame_parms->N_RB_DL,2*ru->frame_parms->N_RB_DL + 1, 15);
for (u=0; u<2*ru->frame_parms->N_RB_DL; u++) {
for (aarx=0; aarx<eNB2UE[2]->nb_rx; aarx++) {
@@ -232,7 +232,7 @@ void DL_channel(RU_t *ru,PHY_VARS_UE *UE,uint subframe,int awgn_flag,double SNR,
}
}
freq_channel(eNB2UE[3], ru->frame_parms->N_RB_DL,2*ru->frame_parms->N_RB_DL + 1);
freq_channel(eNB2UE[3], ru->frame_parms->N_RB_DL,2*ru->frame_parms->N_RB_DL + 1, 15);
for (u=0; u<2*ru->frame_parms->N_RB_DL; u++) {
for (aarx=0; aarx<eNB2UE[3]->nb_rx; aarx++) {
openair1/SIMULATION/LTE_PHY/mbmssim.c
+5 -5
View File
@@ -181,7 +181,7 @@ void DL_channel(RU_t *ru,PHY_VARS_UE *UE,uint subframe,int awgn_flag,double SNR,
if (UE->perfect_ce==1) {
// fill in perfect channel estimates
freq_channel(eNB2UE[round],UE->frame_parms.N_RB_DL,12*UE->frame_parms.N_RB_DL + 1);
freq_channel(eNB2UE[round],UE->frame_parms.N_RB_DL,12*UE->frame_parms.N_RB_DL + 1, 15);
/*
LOG_M("channel.m","ch",eNB2UE[round]->ch[0],eNB2UE[round]->channel_length,1,8);
LOG_M("channelF.m","chF",eNB2UE[round]->chF[0],12*UE->frame_parms.N_RB_DL + 1,1,8);
@@ -192,7 +192,7 @@ void DL_channel(RU_t *ru,PHY_VARS_UE *UE,uint subframe,int awgn_flag,double SNR,
if(abstx) {
if (trials==0 && round==0) {
// calculate freq domain representation to compute SINR
freq_channel(eNB2UE[0], ru->frame_parms.N_RB_DL,2*ru->frame_parms.N_RB_DL + 1);
freq_channel(eNB2UE[0], ru->frame_parms.N_RB_DL,2*ru->frame_parms.N_RB_DL + 1, 15);
// snr=pow(10.0,.1*SNR);
fprintf(csv_fd,"%f,",SNR);
@@ -207,7 +207,7 @@ void DL_channel(RU_t *ru,PHY_VARS_UE *UE,uint subframe,int awgn_flag,double SNR,
}
if(num_rounds>1) {
freq_channel(eNB2UE[1], ru->frame_parms.N_RB_DL,2*ru->frame_parms.N_RB_DL + 1);
freq_channel(eNB2UE[1], ru->frame_parms.N_RB_DL,2*ru->frame_parms.N_RB_DL + 1, 15);
for (u=0; u<2*ru->frame_parms.N_RB_DL; u++) {
for (aarx=0; aarx<eNB2UE[1]->nb_rx; aarx++) {
@@ -219,7 +219,7 @@ void DL_channel(RU_t *ru,PHY_VARS_UE *UE,uint subframe,int awgn_flag,double SNR,
}
}
freq_channel(eNB2UE[2], ru->frame_parms.N_RB_DL,2*ru->frame_parms.N_RB_DL + 1);
freq_channel(eNB2UE[2], ru->frame_parms.N_RB_DL,2*ru->frame_parms.N_RB_DL + 1, 15);
for (u=0; u<2*ru->frame_parms.N_RB_DL; u++) {
for (aarx=0; aarx<eNB2UE[2]->nb_rx; aarx++) {
@@ -231,7 +231,7 @@ void DL_channel(RU_t *ru,PHY_VARS_UE *UE,uint subframe,int awgn_flag,double SNR,
}
}
freq_channel(eNB2UE[3], ru->frame_parms.N_RB_DL,2*ru->frame_parms.N_RB_DL + 1);
freq_channel(eNB2UE[3], ru->frame_parms.N_RB_DL,2*ru->frame_parms.N_RB_DL + 1, 15);
for (u=0; u<2*ru->frame_parms.N_RB_DL; u++) {
for (aarx=0; aarx<eNB2UE[3]->nb_rx; aarx++) {
openair1/SIMULATION/LTE_PHY/ulsim.c
+1 -1
View File
@@ -1102,7 +1102,7 @@ int main(int argc, char **argv) {
if(saving_bler==0)
if (trials==0 && round==0) {
// calculate freq domain representation to compute SINR
freq_channel(UE2eNB, N_RB_DL,12*N_RB_DL + 1);
freq_channel(UE2eNB, N_RB_DL,12*N_RB_DL + 1, 15);
// snr=pow(10.0,.1*SNR);
fprintf(csv_fdUL,"%f,%u,%u,%f,%f,%f,",SNR,tx_lev,tx_lev_dB,sigma2_dB,tx_gain,SNR2);
openair1/SIMULATION/NR_PHY/dlschsim.c
+4 -2
View File
@@ -426,7 +426,9 @@ int main(int argc, char **argv)
UE->dlsch_SI[0] = new_nr_ue_dlsch(1, 1, Nsoft, 5, N_RB_DL, 0);
UE->dlsch_ra[0] = new_nr_ue_dlsch(1, 1, Nsoft, 5, N_RB_DL, 0);
unsigned char harq_pid = 0; //dlsch->harq_ids[subframe];
NR_gNB_DLSCH_t *dlsch = gNB->dlsch[0][0];
processingData_L1tx_t msgDataTx;
init_DLSCH_struct(gNB, &msgDataTx);
NR_gNB_DLSCH_t *dlsch = msgDataTx.dlsch[0][0];
nfapi_nr_dl_tti_pdsch_pdu_rel15_t *rel15 = &dlsch->harq_process.pdsch_pdu.pdsch_pdu_rel15;
//time_stats_t *rm_stats, *te_stats, *i_stats;
uint8_t is_crnti = 0, llr8_flag = 0;
@@ -634,7 +636,7 @@ int main(int argc, char **argv)
for (i = 0; i < 2; i++) {
printf("gNB %d\n", i);
free_gNB_dlsch(&(gNB->dlsch[0][i]),N_RB_DL);
free_gNB_dlsch(&(msgDataTx.dlsch[0][i]),N_RB_DL);
printf("UE %d\n", i);
free_nr_ue_dlsch(&(UE->dlsch[0][0][i]),N_RB_DL);
}
openair1/SIMULATION/NR_PHY/dlsim.c
+38 -16
View File
@@ -262,19 +262,23 @@ void nr_dlsim_preprocessor(module_id_t module_id,
uint8_t nr_of_candidates;
find_aggregation_candidates(&sched_ctrl->aggregation_level,
&nr_of_candidates,
sched_ctrl->search_space);
sched_ctrl->coreset = get_coreset(scc, sched_ctrl->active_bwp, sched_ctrl->search_space, target_ss);
sched_ctrl->search_space,4);
sched_ctrl->coreset = get_coreset(module_id, scc, sched_ctrl->active_bwp->bwp_Dedicated, sched_ctrl->search_space, target_ss);
sched_ctrl->cce_index = 0;
NR_pdsch_semi_static_t *ps = &sched_ctrl->pdsch_semi_static;
ps->nrOfLayers = g_nrOfLayers;
int dci_format = sched_ctrl->search_space && sched_ctrl->search_space->searchSpaceType->choice.ue_Specific->dci_Formats ?
NR_DL_DCI_FORMAT_1_1 : NR_DL_DCI_FORMAT_1_0;
nr_set_pdsch_semi_static(scc,
UE_info->CellGroup[0],
sched_ctrl->active_bwp,
NULL,
/* tda = */ 2,
/* num_dmrs_cdm_grps_no_data = */ 1,
dci_format,
ps);
NR_sched_pdsch_t *sched_pdsch = &sched_ctrl->sched_pdsch;
@@ -781,9 +785,9 @@ int main(int argc, char **argv)
AssertFatal((gNB->if_inst = NR_IF_Module_init(0))!=NULL,"Cannot register interface");
gNB->if_inst->NR_PHY_config_req = nr_phy_config_request;
// common configuration
rrc_mac_config_req_gNB(0,0, n_tx, n_tx, 0, scc, 0, 0, NULL);
rrc_mac_config_req_gNB(0,0, n_tx, n_tx, 0, scc, NULL, 0, 0, NULL);
// UE dedicated configuration
rrc_mac_config_req_gNB(0,0, n_tx, n_tx, 0, scc, 1, secondaryCellGroup->spCellConfig->reconfigurationWithSync->newUE_Identity,secondaryCellGroup);
rrc_mac_config_req_gNB(0,0, n_tx, n_tx, 0, scc, NULL, 1, secondaryCellGroup->spCellConfig->reconfigurationWithSync->newUE_Identity,secondaryCellGroup);
// reset preprocessor to the one of DLSIM after it has been set during
// rrc_mac_config_req_gNB
gNB_mac->pre_processor_dl = nr_dlsim_preprocessor;
@@ -930,8 +934,6 @@ int main(int argc, char **argv)
// generate signal
AssertFatal(input_fd==NULL,"Not ready for input signal file\n");
gNB->pbch_configured = 1;
gNB->ssb[0].ssb_pdu.ssb_pdu_rel15.bchPayload=0x001234;
gNB->ssb[0].ssb_pdu.ssb_pdu_rel15.SsbBlockIndex = 0;
//Configure UE
rrc.carrier.MIB = (uint8_t*) malloc(4);
@@ -961,11 +963,25 @@ int main(int argc, char **argv)
//NR_COMMON_channels_t *cc = RC.nrmac[0]->common_channels;
snrRun = 0;
gNB->threadPool = (tpool_t*)malloc(sizeof(tpool_t));
char tp_param[] = "n";
initTpool(tp_param, gNB->threadPool, true);
gNB->resp_L1_tx = (notifiedFIFO_t*) malloc(sizeof(notifiedFIFO_t));
initNotifiedFIFO(gNB->resp_L1_tx);
// we create 2 threads for L1 tx processing
notifiedFIFO_elt_t *msgL1Tx = newNotifiedFIFO_elt(sizeof(processingData_L1tx_t),0,gNB->resp_L1_tx,processSlotTX);
processingData_L1tx_t *msgDataTx = (processingData_L1tx_t *)NotifiedFifoData(msgL1Tx);
init_DLSCH_struct(gNB, msgDataTx);
msgDataTx->slot = slot;
msgDataTx->frame = frame;
memset(msgDataTx->ssb, 0, 64*sizeof(NR_gNB_SSB_t));
reset_meas(&msgDataTx->phy_proc_tx);
gNB->phy_proc_tx_0 = &msgDataTx->phy_proc_tx;
pushTpool(gNB->threadPool,msgL1Tx);
for (SNR = snr0; SNR < snr1; SNR += .2) {
varArray_t *table_tx=initVarArray(1000,sizeof(double));
reset_meas(&gNB->phy_proc_tx); // total gNB tx
reset_meas(&gNB->dlsch_scrambling_stats);
reset_meas(&gNB->dlsch_interleaving_stats);
reset_meas(&gNB->dlsch_rate_matching_stats);
@@ -1006,7 +1022,7 @@ int main(int argc, char **argv)
int harq_pid = slot;
NR_DL_UE_HARQ_t *UE_harq_process = dlsch0->harq_processes[harq_pid];
NR_gNB_DLSCH_t *gNB_dlsch = gNB->dlsch[0][0];
NR_gNB_DLSCH_t *gNB_dlsch = msgDataTx->dlsch[0][0];
nfapi_nr_dl_tti_pdsch_pdu_rel15_t *rel15 = &gNB_dlsch->harq_process.pdsch_pdu.pdsch_pdu_rel15;
UE_harq_process->ack = 0;
@@ -1057,10 +1073,14 @@ int main(int argc, char **argv)
ptrsRePerSymb = ((rel15->rbSize + rel15->PTRSFreqDensity - 1)/rel15->PTRSFreqDensity);
printf("[DLSIM] PTRS Symbols in a slot: %2u, RE per Symbol: %3u, RE in a slot %4d\n", ptrsSymbPerSlot,ptrsRePerSymb, ptrsSymbPerSlot*ptrsRePerSymb );
}
msgDataTx->ssb[0].ssb_pdu.ssb_pdu_rel15.bchPayload=0x001234;
msgDataTx->ssb[0].ssb_pdu.ssb_pdu_rel15.SsbBlockIndex = 0;
msgDataTx->gNB = gNB;
if (run_initial_sync)
nr_common_signal_procedures(gNB,frame,slot,gNB->ssb[0].ssb_pdu);
nr_common_signal_procedures(gNB,frame,slot,msgDataTx->ssb[0].ssb_pdu);
else
phy_procedures_gNB_TX(gNB,frame,slot,1);
phy_procedures_gNB_TX(msgDataTx,frame,slot,1);
int txdataF_offset = (slot%2) * frame_parms->samples_per_slot_wCP;
@@ -1262,17 +1282,17 @@ int main(int argc, char **argv)
(float) n_errors / (float) n_trials);
printf("*****************************************\n");
printf("\n");
dump_pdsch_stats(gNB);
dump_pdsch_stats(stdout,gNB);
printf("SNR %f : n_errors (negative CRC) = %d/%d, Avg round %.2f, Channel BER %e, BLER %.2f, Eff Rate %.4f bits/slot, Eff Throughput %.2f, TBS %u bits/slot\n", SNR, n_errors, n_trials,roundStats[snrRun],berStats[snrRun],blerStats[snrRun],effRate,effRate/TBS*100,TBS);
printf("\n");
if (print_perf==1) {
printf("\ngNB TX function statistics (per %d us slot, NPRB %d, mcs %d, TBS %d, Kr %d (Zc %d))\n",
1000>>*scc->ssbSubcarrierSpacing, g_rbSize, g_mcsIndex,
gNB->dlsch[0][0]->harq_process.pdsch_pdu.pdsch_pdu_rel15.TBSize[0]<<3,
gNB->dlsch[0][0]->harq_process.K,
gNB->dlsch[0][0]->harq_process.K/((gNB->dlsch[0][0]->harq_process.pdsch_pdu.pdsch_pdu_rel15.TBSize[0]<<3)>3824?22:10));
printDistribution(&gNB->phy_proc_tx,table_tx,"PHY proc tx");
msgDataTx->dlsch[0][0]->harq_process.pdsch_pdu.pdsch_pdu_rel15.TBSize[0]<<3,
msgDataTx->dlsch[0][0]->harq_process.K,
msgDataTx->dlsch[0][0]->harq_process.K/((msgDataTx->dlsch[0][0]->harq_process.pdsch_pdu.pdsch_pdu_rel15.TBSize[0]<<3)>3824?22:10));
printDistribution(gNB->phy_proc_tx_0,table_tx,"PHY proc tx");
printStatIndent2(&gNB->dlsch_encoding_stats,"DLSCH encoding time");
printStatIndent3(&gNB->dlsch_segmentation_stats,"DLSCH segmentation time");
printStatIndent3(&gNB->tinput,"DLSCH LDPC input processing time");
@@ -1325,6 +1345,8 @@ int main(int argc, char **argv)
LOG_M("chestF0.m","chF0",&UE->pdsch_vars[0][0]->dl_ch_estimates_ext[0][0],g_rbSize*12*14,1,1);
write_output("rxF_comp.m","rxFc",&UE->pdsch_vars[0][0]->rxdataF_comp0[0][0],N_RB_DL*12*14,1,1);
LOG_M("rxF_llr.m","rxFllr",UE->pdsch_vars[UE_proc.thread_id][0]->llr[0],available_bits,1,0);
LOG_M("pdcch_rxFcomp.m","pdcch_rxFcomp",&UE->pdcch_vars[0][0]->rxdataF_comp[0][0],96*12,1,1);
LOG_M("pdcch_rxFllr.m","pdcch_rxFllr",UE->pdcch_vars[0][0]->llr,96*12,1,1);
break;
}
openair1/SIMULATION/NR_PHY/pbchsim.c
+5 -4
View File
@@ -566,14 +566,15 @@ int main(int argc, char **argv)
nr_gold_pbch(UE);
processingData_L1tx_t msgDataTx;
// generate signal
if (input_fd==NULL) {
for (i=0; i<frame_parms->Lmax; i++) {
if((SSB_positions >> i) & 0x01) {
gNB->ssb[i].ssb_pdu.ssb_pdu_rel15.bchPayload = 0x55dd33;
gNB->ssb[i].ssb_pdu.ssb_pdu_rel15.SsbBlockIndex = i;
msgDataTx.ssb[i].ssb_pdu.ssb_pdu_rel15.bchPayload = 0x55dd33;
msgDataTx.ssb[i].ssb_pdu.ssb_pdu_rel15.SsbBlockIndex = i;
start_symbol = nr_get_ssb_start_symbol(frame_parms,i);
int slot = start_symbol/14;
@@ -581,7 +582,7 @@ int main(int argc, char **argv)
for (aa=0; aa<gNB->frame_parms.nb_antennas_tx; aa++)
memset(gNB->common_vars.txdataF[aa],0,frame_parms->samples_per_slot_wCP*sizeof(int32_t));
nr_common_signal_procedures (gNB,frame,slot,gNB->ssb[i].ssb_pdu);
nr_common_signal_procedures (gNB,frame,slot,msgDataTx.ssb[i].ssb_pdu);
for (aa=0; aa<gNB->frame_parms.nb_antennas_tx; aa++) {
if (cyclic_prefix_type == 1) {
@@ -751,7 +752,7 @@ int main(int argc, char **argv)
payload_ret = (UE->pbch_vars[0]->xtra_byte == gNB_xtra_byte);
for (i=0;i<3;i++){
payload_ret += (UE->pbch_vars[0]->decoded_output[i] == ((gNB->ssb[ssb_index].ssb_pdu.ssb_pdu_rel15.bchPayload>>(8*i)) & 0xff));
payload_ret += (UE->pbch_vars[0]->decoded_output[i] == ((msgDataTx.ssb[ssb_index].ssb_pdu.ssb_pdu_rel15.bchPayload>>(8*i)) & 0xff));
}
//printf("xtra byte gNB: 0x%02x UE: 0x%02x\n",gNB_xtra_byte, UE->pbch_vars[0]->xtra_byte);
//printf("ret %d\n", payload_ret);
openair1/SIMULATION/NR_PHY/pucchsim.c
+178 -113
View File
@@ -67,7 +67,7 @@ void init_downlink_harq_status(NR_DL_UE_HARQ_t *dl_harq) {}
int main(int argc, char **argv)
{
char c;
int i,aa=0;//,l;
int i;//,l;
double sigma2, sigma2_dB=10,SNR,snr0=-2.0,snr1=2.0;
double cfo=0;
uint8_t snr1set=0;
@@ -104,7 +104,8 @@ int main(int argc, char **argv)
SCM_t channel_model=AWGN;//Rayleigh1_anticorr;
double DS_TDL = .03;
double delay_us = 0;
int N_RB_DL=273,mu=1;
float target_error_rate=0.001;
int frame_length_complex_samples;
@@ -113,7 +114,7 @@ int main(int argc, char **argv)
//unsigned char frame_type = 0;
int loglvl=OAILOG_WARNING;
int sr_flag = 0;
int pucch_DTX_thres = 50;
cpuf = get_cpu_freq_GHz();
if ( load_configmodule(argc,argv,CONFIG_ENABLECMDLINEONLY) == 0) {
@@ -123,7 +124,7 @@ int main(int argc, char **argv)
randominit(0);
logInit();
while ((c = getopt (argc, argv, "f:hA:f:g:i:I:P:B:b:T:m:n:r:o:s:S:x:y:z:N:F:GR:IL:q:c")) != -1) {
while ((c = getopt (argc, argv, "f:hA:f:g:i:I:P:B:b:t:T:m:n:r:o:s:S:x:y:z:N:F:GR:IL:q:cd:")) != -1) {
switch (c) {
case 'f':
//write_output_file=1;
@@ -207,11 +208,11 @@ int main(int argc, char **argv)
printf("Setting SNR1 to %f\n",snr1);
break;
/*
case 't':
Td= atof(optarg);
pucch_DTX_thres= atoi(optarg);
break;
/*
case 'p':
extended_prefix_flag=1;
break;
@@ -228,6 +229,9 @@ int main(int argc, char **argv)
}
break;
*/
case 'd':
delay_us=atof(optarg);
break;
case 'x':
transmission_mode=atoi(optarg);
@@ -251,7 +255,7 @@ 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>8)) {
printf("Unsupported number of rx antennas %d\n",n_rx);
exit(-1);
}
@@ -346,29 +350,33 @@ int main(int argc, char **argv)
}
}
double phase = (1<<mu)*30e-3*delay_us;
set_glog(loglvl);
if (snr1set==0) snr1 = snr0+10;
printf("Initializing gNodeB for mu %d, N_RB_DL %d\n",mu,N_RB_DL);
printf("Initializing gNodeB for mu %d, N_RB_DL %d, n_rx %d\n",mu,N_RB_DL,n_rx);
if((format!=0) && (format!=1) && (format!=2)){
printf("PUCCH format %d not supported\n",format);
exit(0);
}
AssertFatal(((format < 2)&&(nr_bit<3)&&(actual_payload<4)) ||
AssertFatal(((format < 2)&&(nr_bit<3)&&(actual_payload<5)) ||
((format == 2)&&(nr_bit>2)&&(nr_bit<65)),"illegal combination format %d, nr_bit %d\n",
format,nr_bit);
int do_DTX=0;
if ((format < 2) && (actual_payload == 4)) do_DTX=1;
actual_payload &= ((1<<nr_bit)-1);
printf("Transmitted payload is %ld\n",actual_payload);
printf("Transmitted payload is %ld, do_DTX = %d\n",actual_payload,do_DTX);
RC.gNB = (PHY_VARS_gNB**) malloc(sizeof(PHY_VARS_gNB *));
RC.gNB[0] = malloc(sizeof(PHY_VARS_gNB));
RC.gNB[0] = calloc(1,sizeof(PHY_VARS_gNB));
gNB = RC.gNB[0];
memset((void*)gNB,0,sizeof(*gNB));
gNB->pucch0_thres = pucch_DTX_thres;
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;
@@ -430,31 +438,28 @@ int main(int argc, char **argv)
frame_length_complex_samples = frame_parms->samples_per_subframe*NR_NUMBER_OF_SUBFRAMES_PER_FRAME;
//frame_length_complex_samples_no_prefix = frame_parms->samples_per_subframe_wCP;
s_re = malloc(2*sizeof(double*));
s_im = malloc(2*sizeof(double*));
r_re = malloc(2*sizeof(double*));
r_im = malloc(2*sizeof(double*));
txdataF = malloc(2*sizeof(int*));
rxdataF = malloc(2*sizeof(int*));
s_re = malloc(n_tx*sizeof(double*));
s_im = malloc(n_tx*sizeof(double*));
r_re = malloc(n_rx*sizeof(double*));
r_im = malloc(n_rx*sizeof(double*));
txdataF = malloc(n_tx*sizeof(int*));
rxdataF = malloc(n_rx*sizeof(int*));
gNB->common_vars.rxdataF=rxdataF;
memcpy((void*)&gNB->frame_parms,(void*)frame_parms,sizeof(frame_parms));
for (i=0; i<2; i++) {
for (int aatx=0; aatx<n_tx; aatx++) {
s_re[aatx] = calloc(1,frame_length_complex_samples*sizeof(double));
s_im[aatx] = calloc(1,frame_length_complex_samples*sizeof(double));
printf("Allocating %d samples for txdataF\n",frame_parms->symbols_per_slot*frame_parms->ofdm_symbol_size);
txdataF[aatx] = memalign(32,14*frame_parms->ofdm_symbol_size*sizeof(int));
bzero(txdataF[aatx],14*frame_parms->ofdm_symbol_size*sizeof(int));
}
s_re[i] = malloc(frame_length_complex_samples*sizeof(double));
bzero(s_re[i],frame_length_complex_samples*sizeof(double));
s_im[i] = malloc(frame_length_complex_samples*sizeof(double));
bzero(s_im[i],frame_length_complex_samples*sizeof(double));
r_re[i] = malloc(frame_length_complex_samples*sizeof(double));
bzero(r_re[i],frame_length_complex_samples*sizeof(double));
r_im[i] = malloc(frame_length_complex_samples*sizeof(double));
bzero(r_im[i],frame_length_complex_samples*sizeof(double));
printf("Allocating %d samples for txdataF/rxdataF\n",14*frame_parms->ofdm_symbol_size);
txdataF[i] = memalign(32,14*frame_parms->ofdm_symbol_size*sizeof(int));
bzero(txdataF[i],14*frame_parms->ofdm_symbol_size*sizeof(int));
rxdataF[i] = memalign(32,14*frame_parms->ofdm_symbol_size*sizeof(int));
bzero(rxdataF[i],14*frame_parms->ofdm_symbol_size*sizeof(int));
for (int aarx=0; aarx<n_rx; aarx++) {
r_re[aarx] = calloc(1,frame_length_complex_samples*sizeof(double));
r_im[aarx] = calloc(1,frame_length_complex_samples*sizeof(double));
printf("Allocating %d samples for rxdataF\n",frame_parms->symbols_per_slot*frame_parms->ofdm_symbol_size);
rxdataF[aarx] = memalign(32,14*frame_parms->ofdm_symbol_size*sizeof(int));
bzero(rxdataF[aarx],14*frame_parms->ofdm_symbol_size*sizeof(int));
}
uint8_t mcs=0;
@@ -471,14 +476,26 @@ int main(int argc, char **argv)
else AssertFatal(1==0,"Either nr_bit %d or sr_flag %d must be non-zero\n", nr_bit, sr_flag);
}
else if (format == 2 && nr_bit > 11) gNB->uci_polarParams = nr_polar_params(2, nr_bit, nrofPRB, 1, NULL);
startingPRB_intraSlotHopping=N_RB_DL-1;
uint32_t hopping_id=Nid_cell;
uint32_t dmrs_scrambling_id = 0, data_scrambling_id=0;
startingPRB_intraSlotHopping = N_RB_DL-1;
uint32_t hopping_id = Nid_cell;
uint32_t dmrs_scrambling_id = 0;
uint32_t data_scrambling_id = 0;
//configure UE
UE = malloc(sizeof(PHY_VARS_NR_UE));
UE = calloc(1,sizeof(PHY_VARS_NR_UE));
memcpy(&UE->frame_parms,frame_parms,sizeof(NR_DL_FRAME_PARMS));
UE->frame_parms.nb_antennas_rx=1;
UE->perfect_ce = 0;
if(eps!=0.0)
UE->UE_fo_compensation = 1; // if a frequency offset is set then perform fo estimation and compensation
if (init_nr_ue_signal(UE, 1, 0) != 0)
{
printf("Error at UE NR initialisation\n");
exit(-1);
}
fapi_nr_ul_config_pucch_pdu pucch_tx_pdu;
if (format==0) {
@@ -514,80 +531,112 @@ int main(int argc, char **argv)
pucch_tx_pdu.second_hop_prb = startingPRB_intraSlotHopping;
}
UE->perfect_ce = 0;
if(eps!=0.0)
UE->UE_fo_compensation = 1; // if a frequency offset is set then perform fo estimation and compensation
if (init_nr_ue_signal(UE, 1, 0) != 0)
{
printf("Error at UE NR initialisation\n");
exit(-1);
}
pucch_GroupHopping_t PUCCH_GroupHopping = pucch_tx_pdu.group_hop_flag + (pucch_tx_pdu.sequence_hop_flag<<1);
//t_nrPolar_params *currentPtr;
for(SNR=snr0;SNR<=snr1;SNR=SNR+1){
for(SNR=snr0;SNR<=snr1;SNR+=1){
ack_nack_errors=0;
sr_errors=0;
n_errors = 0;
for (trial=0; trial<n_trials; trial++) {
bzero(txdataF[aa],frame_parms->ofdm_symbol_size*sizeof(int));
if(format==0){
nr_generate_pucch0(UE,
txdataF,
frame_parms,
amp,
nr_slot_tx,
&pucch_tx_pdu);
for (int aatx=0;aatx<1;aatx++)
bzero(txdataF[aatx],frame_parms->ofdm_symbol_size*sizeof(int));
if(format==0 && do_DTX==0){
nr_generate_pucch0(UE, txdataF, frame_parms, amp, nr_slot_tx, &pucch_tx_pdu);
} else if (format == 1 && do_DTX==0){
nr_generate_pucch1(UE, txdataF, frame_parms, amp, nr_slot_tx, &pucch_tx_pdu);
} else if (do_DTX == 0){
nr_generate_pucch2(UE, txdataF, frame_parms, amp, nr_slot_tx, &pucch_tx_pdu);
}
else if (format == 1){
nr_generate_pucch1(UE,
txdataF,
frame_parms,
amp,
nr_slot_tx,
&pucch_tx_pdu);
}
else {
nr_generate_pucch2(UE,
txdataF,
frame_parms,
amp,
nr_slot_tx,
&pucch_tx_pdu);
}
int txlev = signal_energy(&txdataF[aa][startingSymbolIndex*frame_parms->ofdm_symbol_size],
frame_parms->ofdm_symbol_size);
// printf("txlev %d (%d dB), offset %d\n",txlev,dB_fixed(txlev),startingSymbolIndex*frame_parms->ofdm_symbol_size);
// note : this scaling
int nb_re = (format == 0 || format == 1)? 12 : 12*nrofPRB;
sigma2_dB = 10*log10((double)txlev*UE->frame_parms.ofdm_symbol_size/nb_re)-SNR;
sigma2 = pow(10,sigma2_dB/10);
for(i=startingSymbolIndex*frame_parms->ofdm_symbol_size; i<(startingSymbolIndex+1)*frame_parms->ofdm_symbol_size; i++) {
((int16_t*)rxdataF[aa])[i<<1] = (int16_t)(100.0*((double)(((int16_t *)txdataF[aa])[(i<<1)]) + sqrt(sigma2/2)*gaussdouble(0.0,1.0))/sqrt((double)txlev));
((int16_t*)rxdataF[aa])[1+(i<<1)]=(int16_t)(100.0*((double)(((int16_t *)txdataF[aa])[(i<<1)+1])+ sqrt(sigma2/2)*gaussdouble(0.0,1.0))/sqrt((double)txlev));
}
int rxlev = signal_energy(&rxdataF[aa][startingSymbolIndex*frame_parms->ofdm_symbol_size],
frame_parms->ofdm_symbol_size);
// noise measurement
gNB->ulmask_symb = startingSymbolIndex;
for (int rb=0; rb<nrofPRB; rb++) {
int rb2 = rb+startingPRB;
gNB->rb_mask_ul[rb2>>5] |= (1<<(rb2&31));
}
gNB_I0_measurements(gNB, startingSymbolIndex, nrofSymbols);
// SNR Computation
// standard says: SNR = S / N, where S is the total signal energy, N is the noise energy in the transmission bandwidth (i.e. N_RB_DL resource blocks)
// txlev = S.
int txlev = signal_energy(&txdataF[0][startingSymbolIndex*frame_parms->ofdm_symbol_size], frame_parms->ofdm_symbol_size);
if (n_trials==1) printf("rxlev %d (%d dB), sigma2 %f dB, SNR %f, TX %f\n",rxlev,dB_fixed(rxlev),sigma2_dB,SNR,10*log10((double)txlev*UE->frame_parms.ofdm_symbol_size/12));
// sigma2 is variance per dimension, so N/(N_RB*12)
// so, sigma2 = N/(N_RB_DL*12) => (S/SNR)/(N_RB*12)
int N_RB = (format == 0 || format == 1) ? 1 : nrofPRB;
sigma2_dB = 10*log10(txlev*(N_RB_DL/N_RB))-SNR;
sigma2 = pow(10.0,sigma2_dB/10.0);
if (n_trials==1) printf("txlev %d (%f dB), offset %d, sigma2 %f ( %f dB)\n",txlev,10*log10(txlev),startingSymbolIndex*frame_parms->ofdm_symbol_size,sigma2,sigma2_dB);
int i0;
double txr,txi,rxr,rxi,nr,ni;
for (int symb=0; symb<gNB->frame_parms.symbols_per_slot;symb++) {
if (symb<startingSymbolIndex || symb >= startingSymbolIndex+nrofSymbols) {
i0 = symb*gNB->frame_parms.ofdm_symbol_size;
for (int re=0;re<N_RB_DL*12;re++) {
i=i0+((gNB->frame_parms.first_carrier_offset + re)%gNB->frame_parms.ofdm_symbol_size);
for (int aarx=0;aarx<n_rx;aarx++) {
nr = sqrt(sigma2/2)*gaussdouble(0.0,1.0);
ni = sqrt(sigma2/2)*gaussdouble(0.0,1.0);
((int16_t*)rxdataF[aarx])[i<<1] = (int16_t)(100.0*(nr)/sqrt((double)txlev));
((int16_t*)rxdataF[aarx])[1+(i<<1)] = (int16_t)(100.0*(ni)/sqrt((double)txlev));
}
}
}
}
random_channel(UE2gNB,0);
freq_channel(UE2gNB,N_RB_DL,2*N_RB_DL+1,scs/1000);
struct complexd phasor;
double rxr_tmp;
for (int symb=0; symb<nrofSymbols; symb++) {
i0 = (startingSymbolIndex + symb)*gNB->frame_parms.ofdm_symbol_size;
for (int re=0;re<N_RB_DL*12;re++) {
i=i0+((gNB->frame_parms.first_carrier_offset + re)%gNB->frame_parms.ofdm_symbol_size);
phasor.r = cos(2*M_PI*phase*re);
phasor.i = sin(2*M_PI*phase*re);
for (int aarx=0;aarx<n_rx;aarx++) {
txr = (double)(((int16_t *)txdataF[0])[(i<<1)]);
txi = (double)(((int16_t *)txdataF[0])[1+(i<<1)]);
rxr = txr*UE2gNB->chF[aarx][re].r - txi*UE2gNB->chF[aarx][re].i;
rxi = txr*UE2gNB->chF[aarx][re].i + txi*UE2gNB->chF[aarx][re].r;
rxr_tmp = rxr*phasor.r - rxi*phasor.i;
rxi = rxr*phasor.i + rxi*phasor.r;
rxr = rxr_tmp;
nr = sqrt(sigma2/2)*gaussdouble(0.0,1.0);
ni = sqrt(sigma2/2)*gaussdouble(0.0,1.0);
((int16_t*)rxdataF[aarx])[i<<1] = (int16_t)(100.0*(rxr + nr)/sqrt((double)txlev));
((int16_t*)rxdataF[aarx])[1+(i<<1)]=(int16_t)(100.0*(rxi + ni)/sqrt((double)txlev));
if (n_trials==1 && abs(txr) > 0) printf("symb %d, re %d , aarx %d : txr %f, txi %f, chr %f, chi %f, nr %f, ni %f, rxr %f, rxi %f => %d,%d\n",
symb, re, aarx, txr,txi,
UE2gNB->chF[aarx][re].r,UE2gNB->chF[aarx][re].i,
nr,ni, rxr,rxi,
((int16_t*)rxdataF[aarx])[i<<1],((int16_t*)rxdataF[aarx])[1+(i<<1)]);
}
}
}
int rxlev=0;
for (int aarx=0;aarx<n_rx;aarx++) rxlev += signal_energy(&rxdataF[aarx][startingSymbolIndex*frame_parms->ofdm_symbol_size],
frame_parms->ofdm_symbol_size);
int rxlev_pucch=0;
for (int aarx=0;aarx<n_rx;aarx++) rxlev_pucch += signal_energy(&rxdataF[aarx][startingSymbolIndex*frame_parms->ofdm_symbol_size],
12);
// set UL mask for pucch allocation
for (int s=0;s<frame_parms->symbols_per_slot;s++){
if (s>=startingSymbolIndex && s<(startingSymbolIndex+nrofSymbols))
for (int rb=0; rb<N_RB; rb++) {
int rb2 = rb+startingPRB;
gNB->rb_mask_ul[s][rb2>>5] |= (1<<(rb2&31));
}
}
// noise measurement (all PRBs)
gNB_I0_measurements(gNB, nr_slot_tx, 0, gNB->frame_parms.symbols_per_slot);
if (n_trials==1) printf("noise rxlev %d (%d dB), rxlev pucch %d dB sigma2 %f dB, SNR %f, TX %f, I0 (pucch) %d, I0 (avg) %d\n",rxlev,dB_fixed(rxlev),dB_fixed(rxlev_pucch),sigma2_dB,SNR,10*log10((double)txlev*UE->frame_parms.ofdm_symbol_size/12),gNB->measurements.n0_subband_power_tot_dB[startingPRB],gNB->measurements.n0_subband_power_avg_dB);
if(format==0){
nfapi_nr_uci_pucch_pdu_format_0_1_t uci_pdu;
nfapi_nr_pucch_pdu_t pucch_pdu;
gNB->uci_stats[0].rnti = 0x1234;
pucch_pdu.rnti = 0x1234;
pucch_pdu.subcarrier_spacing = 1;
pucch_pdu.group_hop_flag = PUCCH_GroupHopping&1;
pucch_pdu.sequence_hop_flag = (PUCCH_GroupHopping>>1)&1;
@@ -601,18 +650,27 @@ int main(int argc, char **argv)
pucch_pdu.start_symbol_index = startingSymbolIndex;
pucch_pdu.prb_start = startingPRB;
pucch_pdu.bwp_start = 0;
pucch_pdu.freq_hop_flag = 0;
pucch_pdu.bwp_size = N_RB_DL;
if (nrofSymbols>1) {
pucch_pdu.freq_hop_flag = 1;
pucch_pdu.second_hop_prb = N_RB_DL-1;
}
else pucch_pdu.freq_hop_flag = 0;
nr_decode_pucch0(gNB, nr_frame_tx, nr_slot_tx,&uci_pdu,&pucch_pdu);
if(sr_flag==1){
if (uci_pdu.sr->sr_indication == 0 || uci_pdu.sr->sr_confidence_level == 1)
sr_errors+=1;
}
if(nr_bit>0){
if(nr_bit==1)
if (nr_bit==1 && do_DTX == 0)
ack_nack_errors+=(actual_payload^uci_pdu.harq->harq_list[0].harq_value);
else
else if (do_DTX == 0)
ack_nack_errors+=(((actual_payload&1)^uci_pdu.harq->harq_list[0].harq_value)+((actual_payload>>1)^uci_pdu.harq->harq_list[1].harq_value));
free(uci_pdu.harq->harq_list);
else if ((uci_pdu.harq->harq_confidence_level == 0 && uci_pdu.harq->harq_list[0].harq_value == 1) ||
(uci_pdu.harq->harq_confidence_level == 0 && nr_bit == 2 && uci_pdu.harq->harq_list[1].harq_value==1))
ack_nack_errors++;
free(uci_pdu.harq->harq_list);
}
}
else if (format==1) {
@@ -644,6 +702,11 @@ int main(int argc, char **argv)
pucch_pdu.prb_start = startingPRB;
pucch_pdu.dmrs_scrambling_id = dmrs_scrambling_id;
pucch_pdu.data_scrambling_id = data_scrambling_id;
if (nrofSymbols>1) {
pucch_pdu.freq_hop_flag = 1;
pucch_pdu.second_hop_prb = N_RB_DL-1;
}
else pucch_pdu.freq_hop_flag = 0;
nr_decode_pucch2(gNB,nr_slot_tx,&uci_pdu,&pucch_pdu);
int csi_part1_bytes=pucch_pdu.bit_len_csi_part1>>3;
if ((pucch_pdu.bit_len_csi_part1&7) > 0) csi_part1_bytes++;
@@ -668,13 +731,15 @@ int main(int argc, char **argv)
}
}
for (i=0; i<2; i++) {
free(s_re[i]);
free(s_im[i]);
free(r_re[i]);
free(r_im[i]);
free(txdataF[i]);
free(rxdataF[i]);
for (int aatx=0; aatx<n_tx; aatx++) {
free(s_re[aatx]);
free(s_im[aatx]);
free(txdataF[aatx]);
}
for (int aarx=0; aarx<n_rx; aarx++) {
free(r_re[aarx]);
free(r_im[aarx]);
free(rxdataF[aarx]);
}
free(s_re);
free(s_im);
openair1/SIMULATION/NR_PHY/ulsim.c
+183 -56
View File
@@ -243,11 +243,6 @@ openair0_config_t openair0_cfg[MAX_CARDS];
//const uint8_t nr_rv_round_map[4] = {0, 2, 1, 3};
channel_desc_t *UE2gNB[NUMBER_OF_UE_MAX][NUMBER_OF_gNB_MAX];
double s_re0[122880],s_im0[122880],r_re0[122880],r_im0[122880];
double s_re1[122880],s_im1[122880],r_re1[122880],r_im1[122880];
double r_re2[122880],r_im2[122880];
double r_re3[122880],r_im3[122880];
int main(int argc, char **argv)
{
@@ -259,10 +254,7 @@ int main(int argc, char **argv)
uint8_t snr1set = 0;
int slot = 8, frame = 1;
FILE *output_fd = NULL;
double *s_re[2]= {s_re0,s_re1};
double *s_im[2]= {s_im0,s_im1};
double *r_re[4]= {r_re0,r_re1,r_re2,r_re3};
double *r_im[4]= {r_im0,r_im1,r_im2,r_im3};
double **s_re,**s_im,**r_re,**r_im;
//uint8_t write_output_file = 0;
int trial, n_trials = 1, n_false_positive = 0, delay = 0;
double maxDoppler = 0.0;
@@ -298,8 +290,9 @@ int main(int argc, char **argv)
cpuf = get_cpu_freq_GHz();
int msg3_flag = 0;
int rv_index = 0;
float roundStats[50];
float effRate;
float roundStats[100];
double effRate[100];
double effTP[100];
//float eff_tp_check = 0.7;
uint8_t snrRun;
int prb_inter = 0;
@@ -502,7 +495,7 @@ 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 > 8)) {
printf("Unsupported number of rx antennas %d\n", n_rx);
exit(-1);
}
@@ -670,8 +663,15 @@ int main(int argc, char **argv)
gNB->threadPool = (tpool_t*)malloc(sizeof(tpool_t));
gNB->respDecode = (notifiedFIFO_t*) malloc(sizeof(notifiedFIFO_t));
char tp_param[] = "n";
initTpool(tp_param, gNB->threadPool, true);
initTpool(tp_param, gNB->threadPool, false);
initNotifiedFIFO(gNB->respDecode);
gNB->resp_L1_tx = (notifiedFIFO_t*) malloc(sizeof(notifiedFIFO_t));
initNotifiedFIFO(gNB->resp_L1_tx);
notifiedFIFO_elt_t *msgL1Tx = newNotifiedFIFO_elt(sizeof(processingData_L1tx_t),0,gNB->resp_L1_tx,NULL);
processingData_L1tx_t *msgDataTx = (processingData_L1tx_t *)NotifiedFifoData(msgL1Tx);
msgDataTx->slot = -1;
gNB->phy_proc_tx_0 = &msgDataTx->phy_proc_tx;
pushNotifiedFIFO(gNB->resp_L1_tx,msgL1Tx); // to unblock the process in the beginning
//gNB_config = &gNB->gNB_config;
//memset((void *)&gNB->UL_INFO,0,sizeof(gNB->UL_INFO));
@@ -682,13 +682,14 @@ int main(int argc, char **argv)
gNB->prb_interpolation = prb_inter;
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;
s_re = malloc(n_tx*sizeof(double*));
s_im = malloc(n_tx*sizeof(double*));
r_re = malloc(n_rx*sizeof(double*));
r_im = malloc(n_rx*sizeof(double*));
RC.nb_nr_macrlc_inst = 1;
RC.nb_nr_mac_CC = (int*)malloc(RC.nb_nr_macrlc_inst*sizeof(int));
@@ -723,9 +724,15 @@ int main(int argc, char **argv)
gNB->if_inst->NR_PHY_config_req = nr_phy_config_request;
// common configuration
rrc_mac_config_req_gNB(0,0, n_tx, n_tx, 0, scc, 0, 0, NULL);
rrc_mac_config_req_gNB(0,0, n_tx, n_rx, 0, scc, &rrc.carrier.mib,0, 0, NULL);
// UE dedicated configuration
rrc_mac_config_req_gNB(0,0, n_tx, n_tx, 0, scc, 1, secondaryCellGroup->spCellConfig->reconfigurationWithSync->newUE_Identity,secondaryCellGroup);
rrc_mac_config_req_gNB(0,0, n_tx, n_rx, 0, scc, &rrc.carrier.mib,1, secondaryCellGroup->spCellConfig->reconfigurationWithSync->newUE_Identity,secondaryCellGroup);
frame_parms->nb_antennas_tx = n_tx;
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_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);
N_RB_DL = gNB->frame_parms.N_RB_DL;
@@ -767,8 +774,16 @@ int main(int argc, char **argv)
}
}
*/
nr_l2_init_ue(NULL);
//Configure UE
NR_UE_RRC_INST_t rrcue;
memset(&rrcue,0,sizeof(NR_UE_RRC_INST_t));
rrc.carrier.MIB = (uint8_t*) malloc(4);
rrc.carrier.sizeof_MIB = do_MIB_NR(&rrc,0);
rrcue.mib = rrc.carrier.mib.message.choice.mib;
rrcue.scell_group_config=secondaryCellGroup;
nr_l2_init_ue(&rrcue);
NR_UE_MAC_INST_t* UE_mac = get_mac_inst(0);
UE->if_inst = nr_ue_if_module_init(0);
@@ -779,11 +794,7 @@ int main(int argc, char **argv)
UE_mac->if_module = nr_ue_if_module_init(0);
//Configure UE
rrc.carrier.MIB = (uint8_t*) malloc(4);
rrc.carrier.sizeof_MIB = do_MIB_NR(&rrc,0);
nr_rrc_mac_config_req_ue(0,0,0,rrc.carrier.mib.message.choice.mib, NULL, NULL, secondaryCellGroup);
// nr_rrc_mac_config_req_ue(0,0,0,rrc.carrier.mib.message.choice.mib, NULL, NULL, secondaryCellGroup);
nr_ue_phy_config_request(&UE_mac->phy_config);
@@ -851,12 +862,13 @@ int main(int argc, char **argv)
{
add_pos = dmrs_arg[1];
}
printf("NOTE: DMRS config is modified with Mapping Type %d , Additional Position %d \n", mapping_type, add_pos );
}
printf("NOTE: DMRS config is modified with Mapping Type %d , Additional Position %d \n", mapping_type, add_pos );
uint8_t length_dmrs = pusch_len1;
uint16_t l_prime_mask = get_l_prime(nb_symb_sch, mapping_type, add_pos, length_dmrs, start_symbol, NR_MIB__dmrs_TypeA_Position_pos2);
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
@@ -868,11 +880,11 @@ int main(int argc, char **argv)
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;
nb_re_dmrs = nb_re_dmrs * num_dmrs_cdm_grps_no_data;
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;
unsigned int available_bits = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, number_dmrs_symbols, mod_order, 1);
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);
@@ -914,13 +926,24 @@ int main(int argc, char **argv)
printf("NOTE: PTRS Enabled with L %d, K %d \n", ptrs_time_density, ptrs_freq_density );
}
if (input_fd != NULL) max_rounds=1;
if (input_fd != NULL || n_trials == 1) max_rounds=1;
if(1<<ptrs_time_density >= nb_symb_sch)
pdu_bit_map &= ~PUSCH_PDU_BITMAP_PUSCH_PTRS; // disable PUSCH PTRS
printf("\n");
int frame_length_complex_samples = frame_parms->samples_per_subframe*NR_NUMBER_OF_SUBFRAMES_PER_FRAME;
for (int aatx=0; aatx<n_tx; aatx++) {
s_re[aatx] = calloc(1,frame_length_complex_samples*sizeof(double));
s_im[aatx] = calloc(1,frame_length_complex_samples*sizeof(double));
}
for (int aarx=0; aarx<n_rx; aarx++) {
r_re[aarx] = calloc(1,frame_length_complex_samples*sizeof(double));
r_im[aarx] = calloc(1,frame_length_complex_samples*sizeof(double));
}
//for (int i=0;i<16;i++) printf("%f\n",gaussdouble(0.0,1.0));
snrRun = 0;
int n_errs = 0;
@@ -962,7 +985,10 @@ int main(int argc, char **argv)
sizeof(int16_t),
slot_length<<1,
input_fd);
if (read_errors==0) exit(1);
if (read_errors==0) {
printf("error reading file\n");
exit(1);
}
for (int i=0;i<16;i+=2) printf("slot_offset %d : %d,%d\n",
slot_offset,
((int16_t*)&gNB->common_vars.rxdata[0][slot_offset])[i],
@@ -972,14 +998,24 @@ int main(int argc, char **argv)
code_rate = nr_get_code_rate_ul(Imcs, mcs_table);
}
uint32_t errors_scrambling[4][100];
int n_errors[4][100];
int round_trials[4][100];
double blerStats[4][100];
double berStats[4][100];
double snrStats[100];
memset(errors_scrambling, 0, sizeof(uint32_t)*4*100);
memset(n_errors, 0, sizeof(int)*4*100);
memset(round_trials, 0, sizeof(int)*4*100);
memset(blerStats, 0, sizeof(double)*4*100);
memset(berStats, 0, sizeof(double)*4*100);
memset(snrStats, 0, sizeof(double)*100);
for (SNR = snr0; SNR < snr1; SNR += snr_step) {
varArray_t *table_rx=initVarArray(1000,sizeof(double));
int error_flag = 0;
n_false_positive = 0;
effRate = 0;
int n_errors[4] = {0,0,0,0};;
int round_trials[4]={0,0,0,0};
uint32_t errors_scrambling[4] = {0,0,0,0};
effRate[snrRun] = 0;
effTP[snrRun] = 0;
reset_meas(&gNB->phy_proc_rx);
reset_meas(&gNB->rx_pusch_stats);
reset_meas(&gNB->ulsch_decoding_stats);
@@ -1004,7 +1040,7 @@ int main(int argc, char **argv)
errors_decoding = 0;
memset((void*)roundStats,0,50*sizeof(roundStats[0]));
while (round<max_rounds && crc_status) {
round_trials[round]++;
round_trials[round][snrRun]++;
ulsch_ue[0]->harq_processes[harq_pid]->round = round;
gNB->ulsch[0][0]->harq_processes[harq_pid]->round = round;
rv_index = nr_rv_round_map[round];
@@ -1054,7 +1090,7 @@ int main(int argc, char **argv)
pusch_pdu->ul_dmrs_scrambling_id = *scc->physCellId;
pusch_pdu->scid = 0;
pusch_pdu->dmrs_ports = 1;
pusch_pdu->num_dmrs_cdm_grps_no_data = msg3_flag == 0 ? 1 : 2;
pusch_pdu->num_dmrs_cdm_grps_no_data = num_dmrs_cdm_grps_no_data;
pusch_pdu->resource_alloc = 1;
pusch_pdu->rb_start = start_rb;
pusch_pdu->rb_size = nb_rb;
@@ -1117,7 +1153,7 @@ int main(int argc, char **argv)
ul_config.ul_config_list[0].pusch_config_pdu.dmrs_config_type = dmrs_config_type;
ul_config.ul_config_list[0].pusch_config_pdu.mcs_index = Imcs;
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 = msg3_flag == 0 ? 1 : 2;
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.absolute_delta_PUSCH = 0;
@@ -1262,6 +1298,58 @@ int main(int argc, char **argv)
(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);
}
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);
}
@@ -1270,7 +1358,7 @@ int main(int argc, char **argv)
if ((gNB->ulsch[0][0]->last_iteration_cnt >=
gNB->ulsch[0][0]->max_ldpc_iterations+1) || ul_proc_error == 1) {
error_flag = 1;
n_errors[round]++;
n_errors[round][snrRun]++;
crc_status = 1;
} else {
crc_status = 0;
@@ -1298,15 +1386,15 @@ int main(int argc, char **argv)
{
/*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]++;
errors_scrambling[round][snrRun]++;
}
}
round++;
} // round
if (n_trials == 1 && errors_scrambling[0] > 0) {
printf("\x1B[31m""[frame %d][trial %d]\tnumber of errors in unscrambling = %u\n" "\x1B[0m", frame, trial, errors_scrambling[0]);
if (n_trials == 1 && errors_scrambling[0][snrRun] > 0) {
printf("\x1B[31m""[frame %d][trial %d]\tnumber of errors in unscrambling = %u\n" "\x1B[0m", frame, trial, errors_scrambling[0][snrRun]);
}
for (i = 0; i < TBS; i++) {
@@ -1323,8 +1411,8 @@ int main(int argc, char **argv)
if (n_trials == 1) {
for (int r=0;r<ulsch_ue[0]->harq_processes[harq_pid]->C;r++)
for (int i=0;i<ulsch_ue[0]->harq_processes[harq_pid]->K>>3;i++) {
/*if ((ulsch_ue[0]->harq_processes[harq_pid]->c[r][i]^ulsch_gNB->harq_processes[harq_pid]->c[r][i]) != 0) printf("************");
printf("r %d: in[%d] %x, out[%d] %x (%x)\n",r,
if ((ulsch_ue[0]->harq_processes[harq_pid]->c[r][i]^ulsch_gNB->harq_processes[harq_pid]->c[r][i]) != 0) printf("************");
/*printf("r %d: in[%d] %x, out[%d] %x (%x)\n",r,
i,ulsch_ue[0]->harq_processes[harq_pid]->c[r][i],
i,ulsch_gNB->harq_processes[harq_pid]->c[r][i],
ulsch_ue[0]->harq_processes[harq_pid]->c[r][i]^ulsch_gNB->harq_processes[harq_pid]->c[r][i]);*/
@@ -1336,26 +1424,36 @@ int main(int argc, char **argv)
printf("\x1B[31m""[frame %d][trial %d]\tnumber of errors in decoding = %u\n" "\x1B[0m", frame, trial, errors_decoding);
}
roundStats[snrRun] += ((float)round);
if (!crc_status) effRate += ((float)TBS)/round;
if (!crc_status) effRate[snrRun] += ((double)TBS)/(double)round;
} // trial loop
roundStats[snrRun]/=((float)n_trials);
effRate /= n_trials;
effRate[snrRun] /= (double)n_trials;
printf("*****************************************\n");
printf("SNR %f: n_errors (%d/%d,%d/%d,%d/%d,%d/%d) (negative CRC), false_positive %d/%d, errors_scrambling (%u/%u,%u/%u,%u/%u,%u/%u\n", SNR, n_errors[0], round_trials[0],n_errors[1], round_trials[1],n_errors[2], round_trials[2],n_errors[3], round_trials[3], n_false_positive, n_trials, errors_scrambling[0],available_bits*n_trials,errors_scrambling[1],available_bits*n_trials,errors_scrambling[2],available_bits*n_trials,errors_scrambling[3],available_bits*n_trials);
printf("SNR %f: n_errors (%d/%d,%d/%d,%d/%d,%d/%d) (negative CRC), false_positive %d/%d, errors_scrambling (%u/%u,%u/%u,%u/%u,%u/%u\n", SNR, n_errors[0][snrRun], round_trials[0][snrRun],n_errors[1][snrRun], round_trials[1][snrRun],n_errors[2][snrRun], round_trials[2][snrRun],n_errors[3][snrRun], round_trials[3][snrRun], n_false_positive, n_trials, errors_scrambling[0][snrRun],available_bits*n_trials,errors_scrambling[1][snrRun],available_bits*n_trials,errors_scrambling[2][snrRun],available_bits*n_trials,errors_scrambling[3][snrRun],available_bits*n_trials);
printf("\n");
blerStats[0][snrRun] = (double)n_errors[0][snrRun]/round_trials[0][snrRun];
blerStats[1][snrRun] = (double)n_errors[1][snrRun]/round_trials[1][snrRun];
blerStats[2][snrRun] = (double)n_errors[2][snrRun]/round_trials[2][snrRun];
blerStats[3][snrRun] = (double)n_errors[3][snrRun]/round_trials[3][snrRun];
berStats[0][snrRun] = (double)errors_scrambling[0][snrRun]/available_bits/round_trials[0][snrRun];
berStats[1][snrRun] = (double)errors_scrambling[1][snrRun]/available_bits/round_trials[1][snrRun];
berStats[2][snrRun] = (double)errors_scrambling[2][snrRun]/available_bits/round_trials[2][snrRun];
berStats[3][snrRun] = (double)errors_scrambling[3][snrRun]/available_bits/round_trials[3][snrRun];
effTP[snrRun] = effRate[snrRun]/(double)TBS*(double)100;
printf("SNR %f: Channel BLER (%e,%e,%e,%e), Channel BER (%e,%e,%e,%e) Avg round %.2f, Eff Rate %.4f bits/slot, Eff Throughput %.2f, TBS %u bits/slot\n",
SNR,
(double)n_errors[0]/round_trials[0],
(double)n_errors[1]/round_trials[0],
(double)n_errors[2]/round_trials[0],
(double)n_errors[3]/round_trials[0],
(double)errors_scrambling[0]/available_bits/round_trials[0],
(double)errors_scrambling[1]/available_bits/round_trials[0],
(double)errors_scrambling[2]/available_bits/round_trials[0],
(double)errors_scrambling[3]/available_bits/round_trials[0],
roundStats[snrRun],effRate,effRate/TBS*100,TBS);
blerStats[0][snrRun],
blerStats[1][snrRun],
blerStats[2][snrRun],
blerStats[3][snrRun],
berStats[0][snrRun],
berStats[1][snrRun],
berStats[2][snrRun],
berStats[3][snrRun],
roundStats[snrRun],effRate[snrRun],effTP[snrRun],TBS);
FILE *fd=fopen("nr_ulsim.log","w");
dump_pusch_stats(fd,gNB);
@@ -1388,18 +1486,47 @@ int main(int argc, char **argv)
if(n_trials==1)
break;
if ((float)n_errors[0]/(float)n_trials <= target_error_rate) {
if ((float)n_errors[0][snrRun]/(float)n_trials <= target_error_rate) {
printf("*************\n");
printf("PUSCH test OK\n");
printf("*************\n");
break;
}
snrStats[snrRun] = SNR;
snrRun++;
n_errs = n_errors[0];
n_errs = n_errors[0][snrRun];
} // SNR loop
printf("\n");
printf( "Num RB:\t%d\n"
"Num symbols:\t%d\n"
"MCS:\t%d\n"
"DMRS config type:\t%d\n"
"DMRS add pos:\t%d\n"
"PUSCH mapping type:\t%d\n"
"DMRS length:\t%d\n"
"DMRS CDM gr w/o data:\t%d\n",
nb_rb,
nb_symb_sch,
Imcs,
dmrs_config_type,
add_pos,
mapping_type,
length_dmrs,
num_dmrs_cdm_grps_no_data);
LOG_M("ulsimStats.m","SNR",snrStats,snrRun,1,7);
LOG_MM("ulsimStats.m","BLER_round0",blerStats[0],snrRun,1,7);
LOG_MM("ulsimStats.m","BLER_round1",blerStats[1],snrRun,1,7);
LOG_MM("ulsimStats.m","BLER_round2",blerStats[2],snrRun,1,7);
LOG_MM("ulsimStats.m","BLER_round3",blerStats[3],snrRun,1,7);
LOG_MM("ulsimStats.m","BER_round0",berStats[0],snrRun,1,7);
LOG_MM("ulsimStats.m","BER_round1",berStats[1],snrRun,1,7);
LOG_MM("ulsimStats.m","BER_round2",berStats[2],snrRun,1,7);
LOG_MM("ulsimStats.m","BER_round3",berStats[3],snrRun,1,7);
LOG_MM("ulsimStats.m","EffRate",effRate,snrRun,1,7);
LOG_MM("ulsimStats.m","EffTP",effTP,snrRun,1,7);
free(test_input_bit);
free(estimated_output_bit);
openair1/SIMULATION/TOOLS/abstraction.c
+7 -6
View File
@@ -39,7 +39,7 @@ double **cos_lut=NULL,* *sin_lut=NULL;
int init_freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples) {
int init_freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples,int scs) {
double delta_f,freq; // 90 kHz spacing
double delay;
int16_t f;
@@ -52,7 +52,7 @@ int init_freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples) {
cos_lut = (double **)malloc(n_samples*sizeof(double *));
sin_lut = (double **)malloc(n_samples*sizeof(double *));
delta_f = nb_rb*180000/(n_samples-1);
delta_f = nb_rb*12*scs*1000/(n_samples-1);
for (f=-(n_samples>>1); f<=(n_samples>>1); f++) {
freq=delta_f*(double)f*1e-6;// due to the fact that delays is in mus
@@ -67,14 +67,14 @@ int init_freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples) {
cos_lut[f+(n_samples>>1)][l] = cos(2*M_PI*freq*delay);
sin_lut[f+(n_samples>>1)][l] = sin(2*M_PI*freq*delay);
//printf("values cos:%d, sin:%d\n", cos_lut[f][l], sin_lut[f][l]);
// printf("values cos:%f, sin:%f\n", cos_lut[f+(n_samples>>1)][l], sin_lut[f+(n_samples>>1)][l]);
}
}
return(0);
}
int freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples) {
int freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples,int scs) {
int16_t f,f2,d;
uint8_t aarx,aatx,l;
double *clut,*slut;
@@ -95,14 +95,14 @@ int freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples) {
// if called with n_samples<12*nb_rb+1, we decimate the lut
n_samples_max=12*nb_rb+1;
if (init_freq_channel(desc,nb_rb,n_samples_max)==0)
if (init_freq_channel(desc,nb_rb,n_samples_max,scs)==0)
freq_channel_init=1;
else
return(-1);
}
d=(n_samples_max-1)/(n_samples-1);
//printf("no_samples=%d, n_samples_max=%d, d=%d\n",n_samples,n_samples_max,d);
// printf("no_samples=%d, n_samples_max=%d, d=%d,nb_taps %d\n",n_samples,n_samples_max,d,desc->nb_taps);
start_meas(&desc->interp_freq);
for (f=-n_samples_max/2,f2=-n_samples/2; f<n_samples_max/2; f+=d,f2++) {
@@ -111,6 +111,7 @@ int freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples) {
for (aarx=0; aarx<desc->nb_rx; aarx++) {
for (aatx=0; aatx<desc->nb_tx; aatx++) {
AssertFatal(n_samples/2+f2 < (2+(275*12)),"reading past chF %d (n_samples %d, f2 %d)\n",n_samples/2+f2,n_samples,f2);
desc->chF[aarx+(aatx*desc->nb_rx)][n_samples/2+f2].r=0.0;
desc->chF[aarx+(aatx*desc->nb_rx)][n_samples/2+f2].i=0.0;
openair1/SIMULATION/TOOLS/random_channel.c
+12 -7
View File
@@ -519,12 +519,12 @@ void tdlModel(int tdl_paths, double *tdl_delays, double *tdl_amps_dB, double DS
chan_desc->ch[i] = (struct complexd *) malloc(chan_desc->channel_length * sizeof(struct complexd));
for (int i = 0; i<nb_tx*nb_rx; i++)
chan_desc->chF[i] = (struct complexd *) malloc(1200 * sizeof(struct complexd));
chan_desc->chF[i] = (struct complexd *) malloc((2+(275*12)) * sizeof(struct complexd));
for (int i = 0; i<chan_desc->nb_taps; i++)
chan_desc->a[i] = (struct complexd *) malloc(nb_tx*nb_rx * sizeof(struct complexd));
chan_desc->R_sqrt = (struct complexd **) malloc(6*sizeof(struct complexd **));
chan_desc->R_sqrt = (struct complexd **) malloc(tdl_pathsby3*sizeof(struct complexd **));
if (nb_tx==2 && nb_rx==2) {
for (int i = 0; i<(tdl_pathsby3); i++)
@@ -1708,10 +1708,9 @@ void set_channeldesc_name(channel_desc_t *cdesc,char *modelname) {
int random_channel(channel_desc_t *desc, uint8_t abstraction_flag) {
double s;
int i,k,l,aarx,aatx;
struct complexd anew[NB_ANTENNAS_TX*NB_ANTENNAS_RX],acorr[NB_ANTENNAS_TX*NB_ANTENNAS_RX];
struct complexd anew[desc->nb_tx*desc->nb_rx];
struct complexd acorr[desc->nb_tx*desc->nb_rx];
struct complexd phase, alpha, beta;
AssertFatal(desc->nb_tx<=NB_ANTENNAS_TX && desc->nb_rx <= NB_ANTENNAS_RX,
"random_channel.c: Error: temporary buffer for channel not big enough (%d,%d)\n",desc->nb_tx,desc->nb_rx);
start_meas(&desc->random_channel);
for (i=0; i<(int)desc->nb_taps; i++) {
@@ -1735,7 +1734,7 @@ int random_channel(channel_desc_t *desc, uint8_t abstraction_flag) {
}
#ifdef DEBUG_CH
printf("(%d,%d,%d) %f->(%f,%f) (%f,%f) phase (%f,%f)\n",aarx,aatx,i,desc->amps[i],anew[aarx+(aatx*desc->nb_rx)].x,anew[aarx+(aatx*desc->nb_rx)].y,desc->aoa,desc->ricean_factor,phase.x,phase.y);
printf("(%d,%d,%d) %f->(%f,%f) (%f,%f) phase (%f,%f)\n",aarx,aatx,i,desc->amps[i],anew[aarx+(aatx*desc->nb_rx)].r,anew[aarx+(aatx*desc->nb_rx)].i,desc->aoa,desc->ricean_factor,phase.r,phase.i);
#endif
} //aatx
} //aarx
@@ -1752,6 +1751,11 @@ int random_channel(channel_desc_t *desc, uint8_t abstraction_flag) {
*/
//apply correlation matrix
//compute acorr = R_sqrt[i] * anew
bzero(acorr,desc->nb_tx*desc->nb_rx*sizeof(struct complexd));
cblas_zaxpy(desc->nb_tx*desc->nb_rx, (void *) desc->R_sqrt[i/3], (void *) anew, 1, (void *) acorr, 1);
/*
FIXME: Function cblas_zgemv has an undefined output (for the same input) after a second call in RHEL8 (acorr = nan)
alpha.r = 1.0;
alpha.i = 0.0;
beta.r = 0.0;
@@ -1759,6 +1763,7 @@ int random_channel(channel_desc_t *desc, uint8_t abstraction_flag) {
cblas_zgemv(CblasRowMajor, CblasNoTrans, desc->nb_tx*desc->nb_rx, desc->nb_tx*desc->nb_rx,
(void *) &alpha, (void *) desc->R_sqrt[i/3], desc->nb_rx*desc->nb_tx,
(void *) anew, 1, (void *) &beta, (void *) acorr, 1);
*/
/*
for (aarx=0;aarx<desc->nb_rx;aarx++) {
@@ -1827,7 +1832,7 @@ int random_channel(channel_desc_t *desc, uint8_t abstraction_flag) {
} //nb_taps
#ifdef DEBUG_CH
printf("(%d,%d,%d)->(%e,%e)\n",k,aarx,aatx,desc->ch[aarx+(aatx*desc->nb_rx)][k].x,desc->ch[aarx+(aatx*desc->nb_rx)][k].y);
printf("(%d,%d,%d)->(%e,%e)\n",k,aarx,aatx,desc->ch[aarx+(aatx*desc->nb_rx)][k].r,desc->ch[aarx+(aatx*desc->nb_rx)][k].i);
#endif
} //channel_length
}
openair1/SIMULATION/TOOLS/sim.h
+2 -2
View File
@@ -477,8 +477,8 @@ int gauss(unsigned int *gauss_LUT,unsigned char Nbits);
double gaussdouble(double,double);
void randominit(unsigned int seed_init);
double uniformrandom(void);
int freq_channel(channel_desc_t *desc,uint16_t nb_rb, int16_t n_samples);
int init_freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples);
int freq_channel(channel_desc_t *desc,uint16_t nb_rb, int16_t n_samples,int scs);
int init_freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples,int scs);
uint8_t multipath_channel_nosigconv(channel_desc_t *desc);
void multipath_tv_channel(channel_desc_t *desc,
double **tx_sig_re,