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merge from Laurent's TX-optimization-lts (cherry-picked dlsch_encoding component)

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This commit is contained in:
Raymond Knopp
2021-10-31 22:43:20 +01:00
parent a9d49ef018
commit 64e610361f
17 changed files with 293 additions and 413 deletions
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openair1/SIMULATION/NR_PHY/dlschsim.c
+7 -3
View File
@@ -503,8 +503,10 @@ int main(int argc, char **argv)
//printf("crc32: [0]->0x%08x\n",crc24c(test_input, 32));
// generate signal
unsigned char output[rel15->rbSize * NR_SYMBOLS_PER_SLOT * NR_NB_SC_PER_RB * 8 * NR_MAX_NB_LAYERS] __attribute__((aligned(32)));
bzero(output,rel15->rbSize * NR_SYMBOLS_PER_SLOT * NR_NB_SC_PER_RB * 8 * NR_MAX_NB_LAYERS);
if (input_fd == NULL) {
nr_dlsch_encoding(gNB, test_input, frame, slot, dlsch, frame_parms,NULL,NULL,NULL,NULL,NULL,NULL,NULL);
nr_dlsch_encoding(gNB, test_input, frame, slot, dlsch, frame_parms,output,NULL,NULL,NULL,NULL,NULL,NULL,NULL);
}
for (SNR = snr0; SNR < snr1; SNR += snr_step) {
@@ -521,11 +523,12 @@ int main(int argc, char **argv)
//if (i<16)
// printf("encoder output f[%d] = %d\n",i,dlsch->harq_processes[0]->f[i]);
/*
if (dlsch->harq_process.f[i] == 0)
modulated_input[i] = 1.0; ///sqrt(2); //QPSK
else
modulated_input[i] = -1.0; ///sqrt(2);
*/
//if (i<16) printf("modulated_input[%d] = %d\n",i,modulated_input[i]);
//SNR =10;
SNR_lin = pow(10, SNR / 10.0);
@@ -548,9 +551,10 @@ int main(int argc, char **argv)
channel_output_uncoded[i] = 1; //QPSK demod
else
channel_output_uncoded[i] = 0;
/*
if (channel_output_uncoded[i] != dlsch->harq_process.f[i])
errors_bit_uncoded = errors_bit_uncoded + 1;
*/
}
//if (errors_bit_uncoded>10)
openair1/SIMULATION/NR_PHY/dlsim.c
+25 -22
View File
@@ -369,6 +369,7 @@ int main(int argc, char **argv)
uint8_t n_tx=1,n_rx=1;
uint8_t round;
uint8_t num_rounds = 4;
char gNBthreads[128]="n";
channel_desc_t *gNB2UE;
//uint32_t nsymb,tx_lev,tx_lev1 = 0,tx_lev2 = 0;
@@ -430,9 +431,7 @@ int main(int argc, char **argv)
FILE *scg_fd=NULL;
while ((c = getopt (argc, argv, "f:hA:pf:g:in:s:S:t:x:y:z:M:N:F:GR:dPIL:Ea:b:D:e:m:w:T:U:q")) != -1) {
while ((c = getopt (argc, argv, "f:hA:pf:g:in:s:S:t:x:y:z:M:N:F:GR:dPIL:Ea:b:d:e:m:w:T:U:qX:")) != -1) {
switch (c) {
case 'f':
scg_fd = fopen(optarg,"r");
@@ -635,7 +634,12 @@ int main(int argc, char **argv)
dmrs_arg[i] = atoi(argv[optind++]);
}
break;
case 'X':
strncpy(gNBthreads, optarg, sizeof(gNBthreads));
gNBthreads[sizeof(gNBthreads)-1]=0;
break;
default:
case 'h':
printf("%s -h(elp) -p(extended_prefix) -N cell_id -f output_filename -F input_filename -g channel_model -n n_frames -t Delayspread -s snr0 -S snr1 -x transmission_mode -y TXant -z RXant -i Intefrence0 -j Interference1 -A interpolation_file -C(alibration offset dB) -N CellId\n",
@@ -671,7 +675,8 @@ int main(int argc, char **argv)
printf("-U Change DMRS Config, arguments list DMRS TYPE{0=A,1=B} DMRS AddPos{0:2} DMRS ConfType{1:2}, e.g. -U 3 0 2 1 \n");
printf("-P Print DLSCH performances\n");
printf("-w Write txdata to binary file (one frame)\n");
printf("-D number of dlsch threads, 0: no dlsch parallelization\n");
printf("-d number of dlsch threads, 0: no dlsch parallelization\n");
printf("-X gNB thread pool configuration, n => no threads");
exit (-1);
break;
}
@@ -823,18 +828,18 @@ int main(int argc, char **argv)
fs = 122.88e6;
bw = 100e6;
}
else if (mu == 1 && N_RB_DL == 162) {
fs = 61.44e6;
bw = 60e6;
}
else if (mu == 1 && N_RB_DL == 133) {
fs = 61.44e6;
bw = 50e6;
}
else if (mu == 1 && N_RB_DL == 106) {
fs = 61.44e6;
bw = 40e6;
}
else if (mu == 1 && N_RB_DL == 133) {
fs = 61.44e6;
bw = 50e6;
}
else if (mu == 1 && N_RB_DL == 162) {
fs = 61.44e6;
bw = 60e6;
}
else if (mu == 3 && N_RB_DL == 66) {
fs = 122.88e6;
bw = 100e6;
@@ -974,8 +979,7 @@ int main(int argc, char **argv)
snrRun = 0;
gNB->threadPool = (tpool_t*)malloc(sizeof(tpool_t));
char tp_param[] = "n";
initTpool(tp_param, gNB->threadPool, true);
initTpool(gNBthreads, 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
@@ -1229,8 +1233,8 @@ int main(int argc, char **argv)
UE->dlsch[UE_proc.thread_id][0][0]->max_ldpc_iterations+1)
n_errors++;
NR_UE_PDSCH **pdsch_vars = UE->pdsch_vars[UE_proc.thread_id];
int16_t *UE_llr = pdsch_vars[0]->llr[0];
//NR_UE_PDSCH **pdsch_vars = UE->pdsch_vars[UE_proc.thread_id];
//int16_t *UE_llr = pdsch_vars[0]->llr[0];
TBS = UE_harq_process->TBS;//rel15->TBSize[0];
uint16_t length_dmrs = get_num_dmrs(rel15->dlDmrsSymbPos);
@@ -1245,6 +1249,7 @@ int main(int argc, char **argv)
printf("[DLSIM][PTRS] Available bits are: %5u, removed PTRS bits are: %5u \n",available_bits, (ptrsSymbPerSlot * ptrsRePerSymb *rel15->nrOfLayers* 2) );
}
/*
for (i = 0; i < available_bits; i++) {
if(((gNB_dlsch->harq_process.f[i] == 0) && (UE_llr[i] <= 0)) ||
@@ -1258,6 +1263,7 @@ int main(int argc, char **argv)
}
}
*/
for (i = 0; i < TBS; i++) {
estimated_output_bit[i] = (UE_harq_process->b[i/8] & (1 << (i & 7))) >> (i & 7);
@@ -1301,12 +1307,9 @@ int main(int argc, char **argv)
printf("\n");
if (print_perf==1) {
printf("\ngNB TX function statistics (per %d us slot, NPRB %d, mcs %d, TBS %d, C %d, Kr %d (Zc %d))\n",
printf("\ngNB TX function statistics (per %d us slot, NPRB %d, mcs %d, TBS %d)\n",
1000>>*scc->ssbSubcarrierSpacing, g_rbSize, g_mcsIndex,
msgDataTx->dlsch[0][0]->harq_process.pdsch_pdu.pdsch_pdu_rel15.TBSize[0]<<3,
msgDataTx->dlsch[0][0]->harq_process.C,
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));
msgDataTx->dlsch[0][0]->harq_process.pdsch_pdu.pdsch_pdu_rel15.TBSize[0]<<3);
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");