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Commit 2f9bf0d8 authored by Raymond Knopp's avatar Raymond Knopp
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added file reading for ulsim

parent 86bc7945
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Showing with 369 additions and 268 deletions
openair1/PHY/INIT/nr_init.c
View file @ 2f9bf0d8
......@@ -176,6 +176,7 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
}
uint32_t Nid_pusch[2] = {cfg->cell_config.phy_cell_id.value,cfg->cell_config.phy_cell_id.value};
LOG_D(PHY,"Initializing PUSCH DMRS Gold sequence with (%x,%x)\n",Nid_pusch[1],Nid_pusch[2]);
nr_gold_pusch(gNB, &Nid_pusch[0]);
/// Transport init necessary for NR synchro
......
openair1/PHY/MODULATION/slot_fep_nr.c
View file @ 2f9bf0d8
......@@ -463,6 +463,8 @@ int nr_slot_fep_ul(NR_DL_FRAME_PARMS *frame_parms,
else
dft((int16_t *)&rxdata[rxdata_offset-sample_offset],
(int16_t *)&rxdataF[symbol * frame_parms->ofdm_symbol_size], 1);
// clear DC carrier from OFDM symbols
rxdataF[symbol * frame_parms->ofdm_symbol_size] = 0;
return(0);
}
openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
View file @ 2f9bf0d8
......@@ -28,7 +28,7 @@
#include "PHY/NR_UE_ESTIMATION/filt16a_32.h"
//#define DEBUG_CH
//#define DEBUG_PUSCH
int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
unsigned char Ns,
......@@ -116,7 +116,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
//------------------generate DMRS------------------//
if (pusch_pdu->transform_precoding) // if transform precoding is disabled
if (pusch_pdu->transform_precoding==0) // if transform precoding is disabled
nr_pusch_dmrs_rx(gNB, Ns, gNB->nr_gold_pusch_dmrs[pusch_pdu->scid][Ns][symbol], &pilot[0], 1000, 0, nb_rb_pusch, pusch_pdu->rb_start*NR_NB_SC_PER_RB, pusch_pdu->dmrs_config_type);
else
nr_pusch_dmrs_rx(gNB, Ns, gNB->nr_gold_pusch_dmrs[pusch_pdu->scid][Ns][symbol], &pilot[0], 1000, 0, nb_rb_pusch, 0, pusch_pdu->dmrs_config_type);
......@@ -132,8 +132,9 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
memset(ul_ch,0,4*(gNB->frame_parms.ofdm_symbol_size));
#ifdef DEBUG_PUSCH
printf("symbol_offset %d, nushift %d\n",symbol_offset,nushift);
printf("ch est pilot addr %p RB_DL %d\n",&pilot[0], gNB->frame_parms.N_RB_UL);
printf("k %d, first_carrier %d\n",k,gNB->frame_parms.first_carrier_offset);
printf("bwp_start_subcarrier %d, k %d, first_carrier %d\n",bwp_start_subcarrier,k,gNB->frame_parms.first_carrier_offset);
printf("rxF addr %p p %d\n", rxF,p);
printf("ul_ch addr %p nushift %d\n",ul_ch,nushift);
#endif
......@@ -148,7 +149,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
#ifdef DEBUG_PUSCH
printf("ch 0 %d\n",((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1]));
printf("pilot 0 : rxF - > (%d,%d) addr %p ch -> (%d,%d), pil -> (%d,%d) \n",rxF[0],rxF[1],&rxF[0],ch[0],ch[1],pil[0],pil[1]);
printf("data 0 : rxF - > (%d,%d) addr %p ch -> (%d,%d), pil -> (%d,%d) \n",rxF[2],rxF[3],&rxF[2],ch[0],ch[1],pil[0],pil[1]);
printf("data 0 : rxF - > (%d,%d)\n",rxF[2],rxF[3]);
#endif
multadd_real_vector_complex_scalar(fl,
......@@ -166,6 +167,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
#ifdef DEBUG_PUSCH
printf("pilot 1 : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
printf("data 1 : rxF - > (%d,%d)\n",rxF[2],rxF[3]);
#endif
multadd_real_vector_complex_scalar(fml,
ch,
......@@ -181,6 +183,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
#ifdef DEBUG_PUSCH
printf("pilot 2 : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
printf("data 2 : rxF - > (%d,%d)\n",rxF[2],rxF[3]);
#endif
multadd_real_vector_complex_scalar(fmm,
ch,
......@@ -201,7 +204,8 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
#ifdef DEBUG_PUSCH
printf("pilot 1 : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
printf("pilot %d : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",pilot_cnt,rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
printf("data %d : rxF - > (%d,%d)\n",pilot_cnt,rxF[2],rxF[3]);
#endif
multadd_real_vector_complex_scalar(fml,
ch,
......@@ -217,6 +221,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
#ifdef DEBUG_PUSCH
printf("pilot %u : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",pilot_cnt+1,rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
printf("data %d : rxF - > (%d,%d)\n",pilot_cnt+1,rxF[2],rxF[3]);
#endif
multadd_real_vector_complex_scalar(fmm,
ch,
......@@ -238,6 +243,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
#ifdef DEBUG_PUSCH
printf("pilot %u : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",pilot_cnt,rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
printf("data %d : rxF - > (%d,%d)\n",pilot_cnt,rxF[2],rxF[3]);
#endif
multadd_real_vector_complex_scalar(fm,
ch,
......@@ -256,6 +262,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
#ifdef DEBUG_PUSCH
printf("ch 0 %d\n",((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1]));
printf("pilot %u: rxF - > (%d,%d) addr %p ch -> (%d,%d), pil -> (%d,%d) \n",pilot_cnt+1,rxF[0],rxF[1],&rxF[0],ch[0],ch[1],pil[0],pil[1]);
printf("data %d : rxF - > (%d,%d)\n",pilot_cnt+1,rxF[2],rxF[3]);
#endif
multadd_real_vector_complex_scalar(fmr,
ch,
......@@ -271,6 +278,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
#ifdef DEBUG_PUSCH
printf("pilot %u: rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",pilot_cnt+2,rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
printf("data %d : rxF - > (%d,%d)\n",pilot_cnt+2,rxF[2],rxF[3]);
#endif
multadd_real_vector_complex_scalar(fr,
ch,
......
openair1/PHY/NR_REFSIG/nr_dmrs_rx.c
View file @ 2f9bf0d8
......@@ -32,7 +32,7 @@
//#define NR_PBCH_DMRS_LENGTH_DWORD 5
//#define NR_PBCH_DMRS_LENGTH 144
//#define DEBUG_PDCCH
//#define DEBUG_PUSCH
#include "refsig_defs_ue.h"
#include "PHY/defs_nr_UE.h"
......
openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c
View file @ 2f9bf0d8
......@@ -1014,7 +1014,7 @@ void nr_ulsch_channel_compensation(int **rxdataF_ext,
}
void nr_rx_pusch(PHY_VARS_gNB *gNB,
uint8_t UE_id,
uint8_t ulsch_id,
uint32_t frame,
uint8_t nr_tti_rx,
unsigned char symbol,
......@@ -1027,23 +1027,23 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB,
int avgs;
int avg[4];
NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms;
nfapi_nr_pusch_pdu_t *rel15_ul = &gNB->ulsch[UE_id][0]->harq_processes[harq_pid]->ulsch_pdu;
nfapi_nr_pusch_pdu_t *rel15_ul = &gNB->ulsch[ulsch_id][0]->harq_processes[harq_pid]->ulsch_pdu;
uint8_t nodata_dmrs = 1; // FIXME to be properly configured from fapi
dmrs_symbol_flag = 0;
ptrs_symbol_flag = 0;
gNB->pusch_vars[UE_id]->ptrs_sc_per_ofdm_symbol = 0;
gNB->pusch_vars[ulsch_id]->ptrs_sc_per_ofdm_symbol = 0;
if(symbol == rel15_ul->start_symbol_index){
gNB->pusch_vars[UE_id]->rxdataF_ext_offset = 0;
gNB->pusch_vars[UE_id]->dmrs_symbol = 0;
gNB->pusch_vars[UE_id]->cl_done = 0;
gNB->pusch_vars[UE_id]->ptrs_symbols = 0;
gNB->pusch_vars[ulsch_id]->rxdataF_ext_offset = 0;
gNB->pusch_vars[ulsch_id]->dmrs_symbol = 0;
gNB->pusch_vars[ulsch_id]->cl_done = 0;
gNB->pusch_vars[ulsch_id]->ptrs_symbols = 0;
if ( ((rel15_ul->pdu_bit_map)>>2)& 0x01 ) { // if there is ptrs pdu
L_ptrs = 1<<(rel15_ul->pusch_ptrs.ptrs_time_density);
set_ptrs_symb_idx(&gNB->pusch_vars[UE_id]->ptrs_symbols,
set_ptrs_symb_idx(&gNB->pusch_vars[ulsch_id]->ptrs_symbols,
rel15_ul->nr_of_symbols,
rel15_ul->start_symbol_index,
rel15_ul->dmrs_config_type,
......@@ -1064,7 +1064,7 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB,
nb_re_pusch = 0;
else
nb_re_pusch = rel15_ul->rb_size * ((rel15_ul->dmrs_config_type==pusch_dmrs_type1)?6:8);
gNB->pusch_vars[UE_id]->dmrs_symbol = symbol;
gNB->pusch_vars[ulsch_id]->dmrs_symbol = symbol;
} else {
nb_re_pusch = rel15_ul->rb_size * NR_NB_SC_PER_RB;
}
......@@ -1077,7 +1077,7 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB,
rel15_ul->nr_of_symbols,
0,
(rel15_ul->pusch_ptrs.ptrs_freq_density)?4:2,
gNB->pusch_vars[UE_id]->ptrs_symbols,
gNB->pusch_vars[ulsch_id]->ptrs_symbols,
0,
frame_parms->ofdm_symbol_size,
rel15_ul->dmrs_config_type,
......@@ -1085,7 +1085,7 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB,
}
if (ptrs_symbol_flag == 1){
gNB->pusch_vars[UE_id]->ptrs_symbol_index = symbol;
gNB->pusch_vars[ulsch_id]->ptrs_symbol_index = symbol;
}
......@@ -1110,25 +1110,25 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB,
start_meas(&gNB->ulsch_rbs_extraction_stats);
nr_ulsch_extract_rbs_single(gNB->common_vars.rxdataF,
gNB->pusch_vars[UE_id],
gNB->pusch_vars[ulsch_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,
nr_ulsch_scale_channel(gNB->pusch_vars[ulsch_id]->ul_ch_estimates_ext,
frame_parms,
gNB->ulsch[UE_id],
gNB->ulsch[ulsch_id],
symbol,
dmrs_symbol_flag,
rel15_ul->rb_size,
rel15_ul->dmrs_config_type);
if (gNB->pusch_vars[UE_id]->cl_done==0) {
if (gNB->pusch_vars[ulsch_id]->cl_done==0) {
nr_ulsch_channel_level(gNB->pusch_vars[UE_id]->ul_ch_estimates_ext,
nr_ulsch_channel_level(gNB->pusch_vars[ulsch_id]->ul_ch_estimates_ext,
frame_parms,
avg,
symbol,
......@@ -1141,26 +1141,26 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB,
for (aarx=0;aarx<frame_parms->nb_antennas_rx;aarx++)
avgs = cmax(avgs,avg[(aatx<<1)+aarx]);
gNB->pusch_vars[UE_id]->log2_maxh = (log2_approx(avgs)/2)+1;
gNB->pusch_vars[UE_id]->cl_done = 1;
gNB->pusch_vars[ulsch_id]->log2_maxh = (log2_approx(avgs)/2)+1;
gNB->pusch_vars[ulsch_id]->cl_done = 1;
}
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,
gNB->pusch_vars[UE_id]->ul_ch_magb0,
gNB->pusch_vars[UE_id]->rxdataF_comp,
(frame_parms->nb_antennas_tx>1) ? gNB->pusch_vars[UE_id]->rho : NULL,
nr_ulsch_channel_compensation(gNB->pusch_vars[ulsch_id]->rxdataF_ext,
gNB->pusch_vars[ulsch_id]->ul_ch_estimates_ext,
gNB->pusch_vars[ulsch_id]->ul_ch_mag0,
gNB->pusch_vars[ulsch_id]->ul_ch_magb0,
gNB->pusch_vars[ulsch_id]->rxdataF_comp,
(frame_parms->nb_antennas_tx>1) ? gNB->pusch_vars[ulsch_id]->rho : NULL,
frame_parms,
symbol,
dmrs_symbol_flag,
rel15_ul->qam_mod_order,
rel15_ul->rb_size,
gNB->pusch_vars[UE_id]->log2_maxh);
gNB->pusch_vars[ulsch_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);
nr_idft(&((uint32_t*)gNB->pusch_vars[ulsch_id]->rxdataF_ext[0])[symbol * rel15_ul->rb_size * NR_NB_SC_PER_RB], nb_re_pusch);
#endif
//----------------------------------------------------------
......@@ -1168,10 +1168,10 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB,
//----------------------------------------------------------
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,
&gNB->pusch_vars[UE_id]->llr[gNB->pusch_vars[UE_id]->rxdataF_ext_offset * rel15_ul->qam_mod_order],
nr_ulsch_compute_llr(&gNB->pusch_vars[ulsch_id]->rxdataF_comp[0][symbol * rel15_ul->rb_size * NR_NB_SC_PER_RB],
gNB->pusch_vars[ulsch_id]->ul_ch_mag0,
gNB->pusch_vars[ulsch_id]->ul_ch_magb0,
&gNB->pusch_vars[ulsch_id]->llr[gNB->pusch_vars[ulsch_id]->rxdataF_ext_offset * rel15_ul->qam_mod_order],
rel15_ul->rb_size,
nb_re_pusch,
symbol,
......@@ -1180,6 +1180,6 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB,
}
gNB->pusch_vars[UE_id]->rxdataF_ext_offset = gNB->pusch_vars[UE_id]->rxdataF_ext_offset + nb_re_pusch;
gNB->pusch_vars[ulsch_id]->rxdataF_ext_offset = gNB->pusch_vars[ulsch_id]->rxdataF_ext_offset + nb_re_pusch;
}
openair1/SIMULATION/NR_PHY/ulsim.c
View file @ 2f9bf0d8
......@@ -114,7 +114,7 @@ int main(int argc, char **argv)
double sigma, sigma_dB;
double snr_step = 1;
uint8_t snr1set = 0;
int slot = 0, frame = 0;
int slot = 17, frame = 0;
FILE *output_fd = NULL;
//uint8_t write_output_file = 0;
int trial, n_trials = 1, n_errors = 0, n_false_positive = 0, delay = 0;
......@@ -147,12 +147,13 @@ int main(int argc, char **argv)
float target_error_rate = 0.01;
int print_perf = 0;
cpuf = get_cpu_freq_GHz();
int msg3_flag = 0;
UE_nr_rxtx_proc_t UE_proc;
FILE *scg_fd=NULL;
int ibwp_size=24;
int ibwp_rboffset=41;
if ( load_configmodule(argc,argv,CONFIG_ENABLECMDLINEONLY) == 0 ) {
exit_fun("[NR_ULSIM] Error, configuration module init failed\n");
}
......@@ -160,17 +161,36 @@ 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:PR:S:L:")) != -1) {
while ((c = getopt(argc, argv, "a:b:c:d:ef:g:h:i:j:kl:m:n:p:r:s:y:z:F:M:N:PR:S:L:")) != -1) {
printf("handling optarg %c\n",c);
switch (c) {
/*case 'd':
frame_type = 1;
break;*/
case 'a':
start_symbol = atoi(optarg);
AssertFatal(start_symbol >= 0 && start_symbol < 13,"start_symbol %d is not in 0..12\n",start_symbol);
break;
case 'b':
nb_symb_sch = atoi(optarg);
AssertFatal(nb_symb_sch > 0 && nb_symb_sch < 15,"start_symbol %d is not in 1..14\n",nb_symb_sch);
break;
case 'c':
n_rnti = atoi(optarg);
AssertFatal(n_rnti > 0 && n_rnti<=65535,"Illegal n_rnti %x\n",n_rnti);
break;
case 'd':
delay = atoi(optarg);
break;
case 'e':
msg3_flag = 1;
break;
case 'f':
scg_fd = fopen(optarg, "r");
......@@ -226,6 +246,11 @@ int main(int argc, char **argv)
interf2 = atoi(optarg);
break;*/
case 'k':
printf("Setting threequarter_fs_flag\n");
openair0_cfg[0].threequarter_fs= 1;
break;
case 'l':
nb_symb_sch = atoi(optarg);
break;
......@@ -387,12 +412,15 @@ int main(int argc, char **argv)
gNB->UL_INFO.rx_ind.number_of_pdus = 0;
gNB->UL_INFO.crc_ind.number_crcs = 0;
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;
RC.nb_nr_macrlc_inst = 1;
RC.nb_nr_mac_CC = (int*)malloc(RC.nb_nr_macrlc_inst*sizeof(int));
for (i = 0; i < RC.nb_nr_macrlc_inst; i++)
......@@ -421,6 +449,7 @@ int main(int argc, char **argv)
xer_fprint(stdout, &asn_DEF_NR_CellGroupConfig, (const void*)secondaryCellGroup);
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(0,0,1,scc,0,0,NULL);
......@@ -429,6 +458,10 @@ int main(int argc, char **argv)
phy_init_nr_gNB(gNB,0,0);
N_RB_DL = gNB->frame_parms.N_RB_DL;
NR_BWP_Uplink_t *ubwp=secondaryCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->uplinkBWP_ToAddModList->list.array[0];
//crcTableInit();
//nr_phy_config_request_sim(gNB, N_RB_DL, N_RB_UL, mu, Nid_cell, SSB_positions);
......@@ -570,6 +603,25 @@ int main(int argc, char **argv)
UL_tti_req->pdus_list[0].pdu_size = sizeof(nfapi_nr_pusch_pdu_t);
memset(pusch_pdu,0,sizeof(nfapi_nr_pusch_pdu_t));
int abwp_size = NRRIV2BW(ubwp->bwp_Common->genericParameters.locationAndBandwidth,275);
int abwp_start = NRRIV2PRBOFFSET(ubwp->bwp_Common->genericParameters.locationAndBandwidth,275);
int ibwp_size = ibwp_size;
int ibwp_start = ibwp_rboffset;
if (msg3_flag == 1) {
if ((ibwp_start < abwp_start) || (ibwp_size > abwp_size))
pusch_pdu->bwp_start = abwp_start;
else
pusch_pdu->bwp_start = ibwp_start;
pusch_pdu->bwp_size = ibwp_size;
start_rb += (ibwp_start - abwp_start);
printf("msg3: ibwp_size %d, abwp_size %d, ibwp_start %d, abwp_start %d\n",
ibwp_size,abwp_size,ibwp_start,abwp_start);
}
else {
pusch_pdu->bwp_start = abwp_start;
pusch_pdu->bwp_size = abwp_size;
}
pusch_pdu->pdu_bit_map = PUSCH_PDU_BITMAP_PUSCH_DATA;
pusch_pdu->rnti = n_rnti;
pusch_pdu->mcs_index = Imcs;
......@@ -577,12 +629,14 @@ int main(int argc, char **argv)
pusch_pdu->target_code_rate = code_rate;
pusch_pdu->qam_mod_order = mod_order;
pusch_pdu->transform_precoding = 0;
pusch_pdu->data_scrambling_id = 0;
pusch_pdu->data_scrambling_id = *scc->physCellId;
pusch_pdu->nrOfLayers = 1;
pusch_pdu->ul_dmrs_symb_pos = 1;
pusch_pdu->ul_dmrs_symb_pos = (1<<start_symbol);
pusch_pdu->dmrs_config_type = 0;
pusch_pdu->ul_dmrs_scrambling_id = 0;
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 = 2;
pusch_pdu->resource_alloc = 1;
pusch_pdu->rb_start = start_rb;
pusch_pdu->rb_size = nb_rb;
......@@ -626,6 +680,7 @@ int main(int argc, char **argv)
//there are plenty of other parameters that we don't seem to be using for now. e.g.
//ul_config.ul_config_list[0].ulsch_config_pdu.ulsch_pdu_rel15.absolute_delta_PUSCH = 0;
if (input_fd != NULL) {
// set FAPI parameters for UE, put them in the scheduled response and call
nr_ue_scheduled_response(&scheduled_response);
......@@ -652,6 +707,8 @@ int main(int argc, char **argv)
//AWGN
sigma_dB = 10*log10(txlev_float)-SNR;
sigma = pow(10,sigma_dB/10);
}
else n_trials = 1;
for (trial = 0; trial < n_trials; trial++) {
......@@ -661,12 +718,36 @@ int main(int argc, char **argv)
//----------------------------------------------------------
//------------------------ add noise -----------------------
//----------------------------------------------------------
if (input_fd == NULL ) {
for (i=0; i<frame_length_complex_samples; i++) {
for (ap=0; ap<frame_parms->nb_antennas_rx; ap++) {
((short*) gNB->common_vars.rxdata[ap])[(2*i) + (delay*2)] = (((int16_t *)UE->common_vars.txdata[ap])[(i<<1)]) + (int16_t)(sqrt(sigma/2)*gaussdouble(0.0,1.0)); // convert to fixed point
((short*) gNB->common_vars.rxdata[ap])[2*i+1 + (delay*2)] = (((int16_t *)UE->common_vars.txdata[ap])[(i<<1)+1]) + (int16_t)(sqrt(sigma/2)*gaussdouble(0.0,1.0));
}
}
}
else {
AssertFatal(frame_parms->nb_antennas_rx == 1, "nb_ant != 1\n");
// 800 samples is N_TA_OFFSET for FR1 @ 30.72 Ms/s,
AssertFatal(frame_parms->subcarrier_spacing==30000,"only 30 kHz for file input for now (%d)\n",frame_parms->subcarrier_spacing);
double factor = 1;
if (openair0_cfg[0].threequarter_fs== 1) factor =.75;
int ta_offset=1600;
if (N_RB_DL <217) ta_offset=800;
else if (N_RB_DL < 106) ta_offset = 400;
int slot_offset = frame_parms->get_samples_slot_timestamp(slot,frame_parms,0);// - (int)(800*factor);
int slot_length = slot_offset - frame_parms->get_samples_slot_timestamp(slot-1,frame_parms,0);
fread((void*)&gNB->common_vars.rxdata[0][slot_offset],
sizeof(int16_t),
slot_length<<1,
input_fd);
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],
((int16_t*)&gNB->common_vars.rxdata[0][slot_offset])[1+i]);
fclose(input_fd);
}
////////////////////////////////////////////////////////////
//----------------------------------------------------------
......@@ -678,10 +759,19 @@ int main(int argc, char **argv)
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);
if (n_trials==1) {
LOG_M("rxsigF0.m","rxsF0",gNB->common_vars.rxdataF[0]+start_symbol*frame_parms->ofdm_symbol_size,nb_symb_sch*frame_parms->ofdm_symbol_size,1,1);
}
phy_procedures_gNB_uespec_RX(gNB, frame, slot);
if (n_trials == 1) {
LOG_M("rxsigF0_ext.m","rxsF0_ext",
&gNB->pusch_vars[0]->rxdataF_ext[0][(start_symbol+1)*NR_NB_SC_PER_RB * pusch_pdu->rb_size],(nb_symb_sch-1)*NR_NB_SC_PER_RB * pusch_pdu->rb_size,1,1);
LOG_M("chestF0.m","chF0",
&gNB->pusch_vars[0]->ul_ch_estimates[0][start_symbol*frame_parms->ofdm_symbol_size],frame_parms->ofdm_symbol_size,1,1);
LOG_M("chestF0_ext.m","chF0_ext",
&gNB->pusch_vars[0]->ul_ch_estimates_ext[0][(start_symbol+1)*NR_NB_SC_PER_RB * pusch_pdu->rb_size],(nb_symb_sch-1)*NR_NB_SC_PER_RB * pusch_pdu->rb_size,1,1);
}
start_meas(&gNB->phy_proc_rx);
////////////////////////////////////////////////////////////
......
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