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ulsch rx measurements in dlsim

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This commit is contained in:
Francesco Mani
2020-03-31 12:31:06 +02:00
parent 6f001d3e5b
commit 1ada5382c8
7 changed files with 86 additions and 50 deletions
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openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c
+11 -21
View File
@@ -458,9 +458,8 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
for (r=0; r<harq_process->C; r++) {
E = nr_get_E(G, harq_process->C, Qm, n_layers, r);
#if gNB_TIMING_TRACE
start_meas(ulsch_deinterleaving_stats);
#endif
start_meas(&phy_vars_gNB->ulsch_deinterleaving_stats);
////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////// nr_deinterleaving_ldpc ///////////////////////////////////
@@ -476,13 +475,8 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
//for (int i =0; i<16; i++)
// printf("rx output deinterleaving w[%d]= %d r_offset %d\n", i,harq_process->w[r][i], r_offset);
#if gNB_TIMING_TRACE
stop_meas(ulsch_deinterleaving_stats);
#endif
stop_meas(&phy_vars_gNB->ulsch_deinterleaving_stats);
#if gNB_TIMING_TRACE
start_meas(ulsch_rate_unmatching_stats);
#endif
#ifdef DEBUG_ULSCH_DECODING
LOG_D(PHY,"HARQ_PID %d Rate Matching Segment %d (coded bits %d,unpunctured/repeated bits %d, TBS %d, mod_order %d, nb_rb %d, Nl %d, rv %d, round %d)...\n",
@@ -504,6 +498,8 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
///////////////////////// harq_process->e =====> harq_process->d /////////////////////////
start_meas(&phy_vars_gNB->ulsch_rate_unmatching_stats);
Tbslbrm = nr_compute_tbslbrm(0,nb_rb,n_layers,harq_process->C);
if (nr_rate_matching_ldpc_rx(Ilbrm,
@@ -518,15 +514,13 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
E,
harq_process->F,
Kr-harq_process->F-2*(p_decParams->Z))==-1) {
#if gNB_TIMING_TRACE
stop_meas(ulsch_rate_unmatching_stats);
#endif
stop_meas(&phy_vars_gNB->ulsch_rate_unmatching_stats);
LOG_E(PHY,"ulsch_decoding.c: Problem in rate_matching\n");
return (ulsch->max_ldpc_iterations + 1);
} else {
#if gNB_TIMING_TRACE
stop_meas(ulsch_rate_unmatching_stats);
#endif
stop_meas(&phy_vars_gNB->ulsch_rate_unmatching_stats);
}
r_offset += E;
@@ -564,9 +558,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
if (err_flag == 0) {
#if gNB_TIMING_TRACE
start_meas(ulsch_turbo_decoding_stats);
#endif
start_meas(&phy_vars_gNB->ulsch_ldpc_decoding_stats);
//LOG_E(PHY,"AbsSubframe %d.%d Start LDPC segment %d/%d A %d ",frame%1024,nr_tti_rx,r,harq_process->C-1, A);
@@ -636,9 +628,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
//write_output("dec_output.m","dec0",harq_process->c[0],Kr_bytes,1,4);
#endif
#if gNB_TIMING_TRACE
stop_meas(ulsch_turbo_decoding_stats);
#endif
stop_meas(&phy_vars_gNB->ulsch_ldpc_decoding_stats);
}
if ((err_flag == 0) && (ret >= (ulsch->max_ldpc_iterations + 1))) {
openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c
+8 -3
View File
@@ -1093,7 +1093,7 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB,
//----------------------------------------------------------
//--------------------- Channel estimation ---------------------
//----------------------------------------------------------
start_meas(&gNB->ulsch_channel_estimation_stats);
if (dmrs_symbol_flag == 1)
nr_pusch_channel_estimation(gNB,
nr_tti_rx,
@@ -1101,17 +1101,19 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB,
symbol,
bwp_start_subcarrier,
rel15_ul);
stop_meas(&gNB->ulsch_channel_estimation_stats);
//----------------------------------------------------------
//--------------------- RBs extraction ---------------------
//----------------------------------------------------------
start_meas(&gNB->ulsch_rbs_extraction_stats);
nr_ulsch_extract_rbs_single(gNB->common_vars.rxdataF,
gNB->pusch_vars[UE_id],
symbol,
dmrs_symbol_flag,
rel15_ul,
frame_parms);
stop_meas(&gNB->ulsch_rbs_extraction_stats);
nr_ulsch_scale_channel(gNB->pusch_vars[UE_id]->ul_ch_estimates_ext,
frame_parms,
@@ -1140,6 +1142,7 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB,
}
start_meas(&gNB->ulsch_channel_compensation_stats);
nr_ulsch_channel_compensation(gNB->pusch_vars[UE_id]->rxdataF_ext,
gNB->pusch_vars[UE_id]->ul_ch_estimates_ext,
gNB->pusch_vars[UE_id]->ul_ch_mag0,
@@ -1152,6 +1155,7 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB,
rel15_ul->qam_mod_order,
rel15_ul->rb_size,
gNB->pusch_vars[UE_id]->log2_maxh);
stop_meas(&gNB->ulsch_channel_compensation_stats);
#ifdef NR_SC_FDMA
nr_idft(&((uint32_t*)gNB->pusch_vars[UE_id]->rxdataF_ext[0])[symbol * rel15_ul->rb_size * NR_NB_SC_PER_RB], nb_re_pusch);
@@ -1160,7 +1164,7 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB,
//----------------------------------------------------------
//-------------------- LLRs computation --------------------
//----------------------------------------------------------
start_meas(&gNB->ulsch_llr_stats);
nr_ulsch_compute_llr(&gNB->pusch_vars[UE_id]->rxdataF_comp[0][symbol * rel15_ul->rb_size * NR_NB_SC_PER_RB],
gNB->pusch_vars[UE_id]->ul_ch_mag0,
gNB->pusch_vars[UE_id]->ul_ch_magb0,
@@ -1169,6 +1173,7 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB,
nb_re_pusch,
symbol,
rel15_ul->qam_mod_order);
stop_meas(&gNB->ulsch_llr_stats);
gNB->pusch_vars[UE_id]->rxdataF_ext_offset = gNB->pusch_vars[UE_id]->rxdataF_ext_offset + nb_re_pusch - gNB->pusch_vars[UE_id]->ptrs_sc_per_ofdm_symbol;
openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c
+10 -7
View File
@@ -356,11 +356,6 @@ int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
Kr_bytes = Kr>>3;
#endif
///////////
/////////////////////////////////////////////////////////////////////////////////////
opp_enabled=0;
///////////////////////// c---->| LDCP coding |---->d /////////////////////////
///////////
@@ -386,6 +381,12 @@ opp_enabled=0;
//for (int i=0;i<68*384;i++)
// printf("channel_input[%d]=%d\n",i,channel_input[i]);
int temp_opp = 0;
if (opp_enabled) {
opp_enabled = 0;
temp_opp = 1;
}
/*printf("output %d %d %d %d %d \n", harq_process->d[0][0], harq_process->d[0][1], harq_process->d[r][2],harq_process->d[0][3], harq_process->d[0][4]);
@@ -402,10 +403,12 @@ opp_enabled=0;
//stop_meas(te_stats);
//printf("end ldpc encoder -- output\n");
#ifdef DEBUG_DLSCH_CODING
write_output("ulsch_enc_input0.m","enc_in0",&harq_process->c[0][0],Kr_bytes,1,4);
write_output("ulsch_enc_output0.m","enc0",&harq_process->d[0][0],(3*8*Kr_bytes)+12,1,4);
write_output("ulsch_enc_input0.m","enc_in0",&harq_process->c[0][0],Kr_bytes,1,4);
write_output("ulsch_enc_output0.m","enc0",&harq_process->d[0][0],(3*8*Kr_bytes)+12,1,4);
#endif
if (temp_opp) opp_enabled = 1;
///////////
///////////////////////////////////////////////////////////////////////////////
openair1/PHY/defs_gNB.h
+11 -10
View File
@@ -717,9 +717,7 @@ typedef struct PHY_VARS_gNB_s {
time_stats_t phy_proc;
*/
time_stats_t phy_proc_tx;
/*
time_stats_t phy_proc_rx;
*/
time_stats_t rx_prach;
/*
time_stats_t ofdm_mod_stats;
@@ -735,18 +733,21 @@ typedef struct PHY_VARS_gNB_s {
time_stats_t dlsch_rate_matching_stats;
time_stats_t dlsch_interleaving_stats;
time_stats_t dlsch_segmentation_stats;
time_stats_t ulsch_decoding_stats;
time_stats_t ulsch_rate_unmatching_stats;
time_stats_t ulsch_ldpc_decoding_stats;
time_stats_t ulsch_deinterleaving_stats;
time_stats_t ulsch_unscrambling_stats;
time_stats_t ulsch_channel_estimation_stats;
time_stats_t ulsch_channel_compensation_stats;
time_stats_t ulsch_rbs_extraction_stats;
time_stats_t ulsch_llr_stats;
/*
time_stats_t rx_dft_stats;
time_stats_t ulsch_channel_estimation_stats;
time_stats_t ulsch_freq_offset_estimation_stats;
time_stats_t ulsch_decoding_stats;
time_stats_t ulsch_demodulation_stats;
time_stats_t ulsch_rate_unmatching_stats;
time_stats_t ulsch_turbo_decoding_stats;
time_stats_t ulsch_deinterleaving_stats;
time_stats_t ulsch_demultiplexing_stats;
time_stats_t ulsch_llr_stats;
*/
} PHY_VARS_gNB;
#endif
openair1/SCHED_NR/phy_procedures_nr_gNB.c
+4 -2
View File
@@ -242,16 +242,18 @@ void nr_ulsch_procedures(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, int ULSCH
//------------------- ULSCH unscrambling -------------------
//----------------------------------------------------------
start_meas(&gNB->ulsch_unscrambling_stats);
nr_ulsch_unscrambling(gNB->pusch_vars[ULSCH_id]->llr,
G,
0,
pusch_pdu->data_scrambling_id,
pusch_pdu->rnti);
stop_meas(&gNB->ulsch_unscrambling_stats);
//----------------------------------------------------------
//--------------------- ULSCH decoding ---------------------
//----------------------------------------------------------
start_meas(&gNB->ulsch_decoding_stats);
ret = nr_ulsch_decoding(gNB,
ULSCH_id,
gNB->pusch_vars[ULSCH_id]->llr,
@@ -261,8 +263,8 @@ void nr_ulsch_procedures(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, int ULSCH
slot_rx,
harq_pid,
G);
stop_meas(&gNB->ulsch_decoding_stats);
if (ret > gNB->ulsch[ULSCH_id][0]->max_ldpc_iterations){
LOG_I(PHY, "ULSCH %d in error\n",ULSCH_id);
nr_fill_indication(gNB,frame_rx, slot_rx, ULSCH_id, harq_pid, 1);
openair1/SIMULATION/NR_PHY/dlsim.c
+1 -1
View File
@@ -412,6 +412,7 @@ int main(int argc, char **argv)
printf("-c Start symbol for PDSCH (fixed for now)\n");
printf("-j Number of symbols for PDSCH (fixed for now)\n");
printf("-e MSC index\n");
printf("-P Print DLSCH performances\n");
exit (-1);
break;
}
@@ -901,7 +902,6 @@ int main(int argc, char **argv)
break;
}
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,dlsch_config.rbSize,dlsch_config.mcsIndex[0],
openair1/SIMULATION/NR_PHY/ulsim.c
+41 -6
View File
@@ -55,7 +55,8 @@
#include "openair2/RRC/NR/MESSAGES/asn1_msg.h"
#include "openair2/LAYER2/NR_MAC_UE/mac_proto.h"
#include "openair2/LAYER2/NR_MAC_gNB/mac_proto.h"
#define inMicroS(a) (((double)(a))/(cpu_freq_GHz*1000.0))
#include "SIMULATION/LTE_PHY/common_sim.h"
//#define DEBUG_ULSIM
PHY_VARS_gNB *gNB;
@@ -140,7 +141,7 @@ int main(int argc, char **argv)
int start_rb = 0;
int UE_id =0; // [hna] only works for UE_id = 0 because NUMBER_OF_NR_UE_MAX is set to 1 (phy_init_nr_gNB causes segmentation fault)
float target_error_rate = 0.01;
int print_perf = 0;
cpuf = get_cpu_freq_GHz();
@@ -155,7 +156,7 @@ int main(int argc, char **argv)
//logInit();
randominit(0);
while ((c = getopt(argc, argv, "d:f:g:h:i:j:l:m:n:p:r:s:y:z:F:M:N:P:R:S:L:")) != -1) {
while ((c = getopt(argc, argv, "d:f:g:h:i:j:l:m:n:p:r:s:y:z:F:M:N:PR:S:L:")) != -1) {
switch (c) {
/*case 'd':
@@ -309,9 +310,14 @@ int main(int argc, char **argv)
printf("Setting SNR1 to %f\n", snr1);
break;
case 'L':
loglvl = atoi(optarg);
break;
case 'P':
print_perf=1;
opp_enabled=1;
break;
case 'L':
loglvl = atoi(optarg);
break;
default:
case 'h':
@@ -340,6 +346,7 @@ int main(int argc, char **argv)
printf("-O oversampling factor (1,2,4,8,16)\n");
printf("-R N_RB_DL\n");
printf("-S Ending SNR, runs from SNR0 to SNR1\n");
printf("-P Print ULSCH performances\n");
exit(-1);
break;
}
@@ -524,6 +531,18 @@ int main(int argc, char **argv)
for (SNR = snr0; SNR < snr1; SNR += snr_step) {
varArray_t *table_rx=initVarArray(1000,sizeof(double));
reset_meas(&gNB->phy_proc_rx);
reset_meas(&gNB->ulsch_decoding_stats);
reset_meas(&gNB->ulsch_deinterleaving_stats);
reset_meas(&gNB->ulsch_rate_unmatching_stats);
reset_meas(&gNB->ulsch_ldpc_decoding_stats);
reset_meas(&gNB->ulsch_unscrambling_stats);
reset_meas(&gNB->ulsch_channel_estimation_stats);
reset_meas(&gNB->ulsch_llr_stats);
reset_meas(&gNB->ulsch_channel_compensation_stats);
reset_meas(&gNB->ulsch_rbs_extraction_stats);
UE_proc.nr_tti_tx = slot;
UE_proc.frame_tx = frame;
@@ -654,12 +673,14 @@ int main(int argc, char **argv)
gNB->UL_INFO.rx_ind.number_of_pdus = 0;
gNB->UL_INFO.crc_ind.number_crcs = 0;
start_meas(&gNB->phy_proc_rx);
phy_procedures_gNB_common_RX(gNB, frame, slot);
if (n_trials==1)
LOG_M("rxsigF0.m","rxsF0",gNB->common_vars.rxdataF[0],frame_length_complex_samples_no_prefix,1,1);
phy_procedures_gNB_uespec_RX(gNB, frame, slot);
start_meas(&gNB->phy_proc_rx);
////////////////////////////////////////////////////////////
if (gNB->ulsch[0][0]->last_iteration_cnt >=
@@ -713,6 +734,20 @@ int main(int argc, char **argv)
printf("*****************************************\n");
printf("\n");
if (print_perf==1) {
printDistribution(&gNB->phy_proc_rx,table_rx,"Total PHY proc rx");
printStatIndent(&gNB->ulsch_channel_estimation_stats,"ULSCH channel estimation time");
printStatIndent(&gNB->ulsch_rbs_extraction_stats,"ULSCH rbs extraction time");
printStatIndent(&gNB->ulsch_channel_compensation_stats,"ULSCH channel compensation time");
printStatIndent(&gNB->ulsch_llr_stats,"ULSCH llr computation");
printStatIndent(&gNB->ulsch_unscrambling_stats,"ULSCH unscrambling");
printStatIndent(&gNB->ulsch_decoding_stats,"ULSCH total decoding time");
printStatIndent2(&gNB->ulsch_deinterleaving_stats,"ULSCH deinterleaving");
printStatIndent2(&gNB->ulsch_rate_unmatching_stats,"ULSCH rate matching rx");
printStatIndent2(&gNB->ulsch_ldpc_decoding_stats,"ULSCH ldpc decoding");
printf("\n");
}
if(n_trials==1)
break;