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Commit 2a88c615 authored by Robert Schmidt's avatar Robert Schmidt
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Merge remote-tracking branch 'origin/fix_nr_odd_prb' into integration_2022_wk12_a

parents bf58c6b4 05daeb66
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Showing with 197 additions and 167 deletions
openair1/PHY/NR_TRANSPORT/nr_dlsch.c
View file @ 2a88c615
...@@ -457,14 +457,34 @@ void nr_generate_pdsch(processingData_L1tx_t *msgTx, ...@@ -457,14 +457,34 @@ void nr_generate_pdsch(processingData_L1tx_t *msgTx,
pmi = 0;//no precoding pmi = 0;//no precoding
if (pmi == 0) {//unitary Precoding if (pmi == 0) {//unitary Precoding
if(ap<rel15->nrOfLayers) if (k + NR_NB_SC_PER_RB <= frame_parms->ofdm_symbol_size) { // RB does not cross DC
memcpy((void*)&txdataF[ap][l*frame_parms->ofdm_symbol_size + txdataF_offset + k], if(ap<rel15->nrOfLayers)
(void*)&txdataF_precoding[ap][2*(l*frame_parms->ofdm_symbol_size + k)], memcpy((void*)&txdataF[ap][l*frame_parms->ofdm_symbol_size + txdataF_offset + k],
NR_NB_SC_PER_RB*sizeof(int32_t)); (void*)&txdataF_precoding[ap][2*(l*frame_parms->ofdm_symbol_size + k)],
else NR_NB_SC_PER_RB*sizeof(int32_t));
memset((void*)&txdataF[ap][l*frame_parms->ofdm_symbol_size + txdataF_offset + k], else
0, memset((void*)&txdataF[ap][l*frame_parms->ofdm_symbol_size + txdataF_offset + k],
NR_NB_SC_PER_RB*sizeof(int32_t)); 0,
NR_NB_SC_PER_RB*sizeof(int32_t));
} else { // RB does cross DC
int neg_length = frame_parms->ofdm_symbol_size - k;
int pos_length = NR_NB_SC_PER_RB - neg_length;
if (ap<rel15->nrOfLayers) {
memcpy((void*)&txdataF[ap][l*frame_parms->ofdm_symbol_size + txdataF_offset + k],
(void*)&txdataF_precoding[ap][2*(l*frame_parms->ofdm_symbol_size + k)],
neg_length*sizeof(int32_t));
memcpy((void*)&txdataF[ap][l*frame_parms->ofdm_symbol_size + txdataF_offset],
(void*)&txdataF_precoding[ap][2*(l*frame_parms->ofdm_symbol_size)],
pos_length*sizeof(int32_t));
} else {
memset((void*)&txdataF[ap][l*frame_parms->ofdm_symbol_size + txdataF_offset + k],
0,
neg_length*sizeof(int32_t));
memset((void*)&txdataF[ap][l*frame_parms->ofdm_symbol_size + txdataF_offset],
0,
pos_length*sizeof(int32_t));
}
}
k += NR_NB_SC_PER_RB; k += NR_NB_SC_PER_RB;
if (k >= frame_parms->ofdm_symbol_size) { if (k >= frame_parms->ofdm_symbol_size) {
k -= frame_parms->ofdm_symbol_size; k -= frame_parms->ofdm_symbol_size;
......
openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c
View file @ 2a88c615
...@@ -356,7 +356,7 @@ void nr_ulsch_extract_rbs_single(int32_t **rxdataF, ...@@ -356,7 +356,7 @@ void nr_ulsch_extract_rbs_single(int32_t **rxdataF,
if (is_dmrs_symbol == 0) { if (is_dmrs_symbol == 0) {
// //
//rxF[ ((start_re + re)*2) % (frame_parms->ofdm_symbol_size*2)]); //rxF[ ((start_re + re)*2) % (frame_parms->ofdm_symbol_size*2)]);
if (start_re + nb_re_pusch < frame_parms->ofdm_symbol_size) { if (start_re + nb_re_pusch <= frame_parms->ofdm_symbol_size) {
memcpy1((void*)rxF_ext, memcpy1((void*)rxF_ext,
(void*)&rxF[start_re*2], (void*)&rxF[start_re*2],
nb_re_pusch*sizeof(int32_t)); nb_re_pusch*sizeof(int32_t));
......
openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
View file @ 2a88c615
...@@ -534,8 +534,12 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -534,8 +534,12 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
16); 16);
pil += 2; pil += 2;
rxF += 8; rxF += 8;
//for (int i= 0; i<8; i++) k += 4;
//printf("dl_ch addr %p %d\n", dl_ch+i, *(dl_ch+i));
if (k >= ue->frame_parms.ofdm_symbol_size) {
k -= ue->frame_parms.ofdm_symbol_size;
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+1)];
}
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
...@@ -548,6 +552,12 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -548,6 +552,12 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
16); 16);
pil += 2; pil += 2;
rxF += 8; rxF += 8;
k += 4;
if (k >= ue->frame_parms.ofdm_symbol_size) {
k -= ue->frame_parms.ofdm_symbol_size;
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+1)];
}
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
...@@ -560,23 +570,22 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -560,23 +570,22 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
ch, ch,
dl_ch, dl_ch,
16); 16);
#ifdef DEBUG_PDCCH
#ifdef DEBUG_PDCCH
for (int m =0; m<12; m++) for (int m =0; m<12; m++)
printf("data : dl_ch -> (%d,%d)\n",dl_ch[0+2*m],dl_ch[1+2*m]); printf("data : dl_ch -> (%d,%d)\n",dl_ch[0+2*m],dl_ch[1+2*m]);
#endif #endif
dl_ch += 24;
pil += 2; pil += 2;
rxF += 8; rxF += 8;
dl_ch += 24; k += 4;
k += 12;
for (pilot_cnt=3; pilot_cnt<(3*nb_rb_coreset); pilot_cnt += 3) { for (pilot_cnt=3; pilot_cnt<(3*nb_rb_coreset); pilot_cnt += 3) {
if (k >= ue->frame_parms.ofdm_symbol_size){ if (k >= ue->frame_parms.ofdm_symbol_size) {
k-=ue->frame_parms.ofdm_symbol_size; k -= ue->frame_parms.ofdm_symbol_size;
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+1)];} rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+1)];
}
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
...@@ -593,6 +602,12 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -593,6 +602,12 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
pil += 2; pil += 2;
rxF += 8; rxF += 8;
k += 4;
if (k >= ue->frame_parms.ofdm_symbol_size) {
k -= ue->frame_parms.ofdm_symbol_size;
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+1)];
}
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
...@@ -605,6 +620,12 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -605,6 +620,12 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
16); 16);
pil += 2; pil += 2;
rxF += 8; rxF += 8;
k += 4;
if (k >= ue->frame_parms.ofdm_symbol_size) {
k -= ue->frame_parms.ofdm_symbol_size;
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+1)];
}
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
...@@ -617,11 +638,15 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -617,11 +638,15 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
ch, ch,
dl_ch, dl_ch,
16); 16);
pil += 2; #ifdef DEBUG_PDCCH
rxF += 8; for (int m =0; m<12; m++)
printf("data : dl_ch -> (%d,%d)\n",dl_ch[0+2*m],dl_ch[1+2*m]);
#endif
dl_ch += 24; dl_ch += 24;
k += 12;
pil += 2;
rxF += 8;
k += 4;
} }
......
openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
View file @ 2a88c615
This diff is collapsed.
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
View file @ 2a88c615
...@@ -648,28 +648,29 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue, ...@@ -648,28 +648,29 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
// Please keep it: useful for debugging // Please keep it: useful for debugging
#ifdef DEBUG_PDSCH_RX #ifdef DEBUG_PDSCH_RX
char filename[40]; char filename[50];
uint8_t aa = 0; uint8_t aa = 0;
snprintf(filename, 40, "rxdataF0_symb_%d_nr_slot_rx_%d.m", symbol, nr_slot_rx); snprintf(filename, 50, "rxdataF0_symb_%d_nr_slot_rx_%d.m", symbol, nr_slot_rx);
write_output(filename, "rxdataF0", &common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[0][0], NR_SYMBOLS_PER_SLOT*frame_parms->ofdm_symbol_size, 1, 1); write_output(filename, "rxdataF0", &common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[0][0], NR_SYMBOLS_PER_SLOT*frame_parms->ofdm_symbol_size, 1, 1);
snprintf(filename, 40, "dl_ch_estimates0%d_symb_%d_nr_slot_rx_%d.m", aa, symbol, nr_slot_rx); snprintf(filename, 50, "dl_ch_estimates0%d_symb_%d_nr_slot_rx_%d.m", aa, symbol, nr_slot_rx);
write_output(filename, "dl_ch_estimates", &pdsch_vars[gNB_id]->dl_ch_estimates[aa][0], NR_SYMBOLS_PER_SLOT*frame_parms->ofdm_symbol_size, 1, 1); write_output(filename, "dl_ch_estimates", &pdsch_vars[gNB_id]->dl_ch_estimates[aa][0], NR_SYMBOLS_PER_SLOT*frame_parms->ofdm_symbol_size, 1, 1);
snprintf(filename, 40, "rxdataF_ext0%d_symb_%d_nr_slot_rx_%d.m", aa, symbol, nr_slot_rx); snprintf(filename, 50, "rxdataF_ext0%d_symb_%d_nr_slot_rx_%d.m", aa, symbol, nr_slot_rx);
write_output(filename, "rxdataF_ext", &pdsch_vars[gNB_id]->rxdataF_ext[aa][0], NR_SYMBOLS_PER_SLOT*frame_parms->N_RB_DL*NR_NB_SC_PER_RB, 1, 1); write_output(filename, "rxdataF_ext", &pdsch_vars[gNB_id]->rxdataF_ext[aa][0], NR_SYMBOLS_PER_SLOT*frame_parms->N_RB_DL*NR_NB_SC_PER_RB, 1, 1);
snprintf(filename, 40, "dl_ch_estimates_ext0%d_symb_%d_nr_slot_rx_%d.m", aa, symbol, nr_slot_rx); snprintf(filename, 50, "dl_ch_estimates_ext0%d_symb_%d_nr_slot_rx_%d.m", aa, symbol, nr_slot_rx);
write_output(filename, "dl_ch_estimates_ext00", &pdsch_vars[gNB_id]->dl_ch_estimates_ext[aa][0], NR_SYMBOLS_PER_SLOT*frame_parms->N_RB_DL*NR_NB_SC_PER_RB, 1, 1); write_output(filename, "dl_ch_estimates_ext00", &pdsch_vars[gNB_id]->dl_ch_estimates_ext[aa][0], NR_SYMBOLS_PER_SLOT*frame_parms->N_RB_DL*NR_NB_SC_PER_RB, 1, 1);
snprintf(filename, 40, "rxdataF_comp0%d_symb_%d_nr_slot_rx_%d.m", aa, symbol, nr_slot_rx); snprintf(filename, 50, "rxdataF_comp0%d_symb_%d_nr_slot_rx_%d.m", aa, symbol, nr_slot_rx);
write_output(filename, "rxdataF_comp00", &pdsch_vars[gNB_id]->rxdataF_comp0[aa][0], NR_SYMBOLS_PER_SLOT*frame_parms->N_RB_DL*NR_NB_SC_PER_RB, 1, 1); write_output(filename, "rxdataF_comp00", &pdsch_vars[gNB_id]->rxdataF_comp0[aa][0], NR_SYMBOLS_PER_SLOT*frame_parms->N_RB_DL*NR_NB_SC_PER_RB, 1, 1);
/*
for (int i=0; i < 2; i++){ for (int i=0; i < 2; i++){
snprintf(filename, 40, "llr%d_symb_%d_nr_slot_rx_%d.m", i, symbol, nr_slot_rx); snprintf(filename, 50, "llr%d_symb_%d_nr_slot_rx_%d.m", i, symbol, nr_slot_rx);
write_output(filename,"llr", &pdsch_vars[gNB_id]->llr[i][0], (NR_SYMBOLS_PER_SLOT*nb_rb*NR_NB_SC_PER_RB*dlsch1_harq->Qm) - 4*(nb_rb*4*dlsch1_harq->Qm), 1, 0); write_output(filename,"llr", &pdsch_vars[gNB_id]->llr[i][0], (NR_SYMBOLS_PER_SLOT*nb_rb*NR_NB_SC_PER_RB*dlsch1_harq->Qm) - 4*(nb_rb*4*dlsch1_harq->Qm), 1, 0);
} }
*/
#endif #endif
#if T_TRACER #if T_TRACER
...@@ -889,9 +890,11 @@ void nr_dlsch_channel_compensation(int **rxdataF_ext, ...@@ -889,9 +890,11 @@ void nr_dlsch_channel_compensation(int **rxdataF_ext,
mmtmpD3 = _mm_unpackhi_epi32(mmtmpD0,mmtmpD1); mmtmpD3 = _mm_unpackhi_epi32(mmtmpD0,mmtmpD1);
rxdataF_comp128[1] = _mm_packs_epi32(mmtmpD2,mmtmpD3); rxdataF_comp128[1] = _mm_packs_epi32(mmtmpD2,mmtmpD3);
//print_shorts("rx:",(int16_t*)&rxdataF128[1]); #ifdef DEBUG_DLSCH_DEMOD
//print_shorts("ch:",(int16_t*)&dl_ch128[1]); print_shorts("rx:",(int16_t*)&rxdataF128[1]);
//print_shorts("pack:",(int16_t*)&rxdataF_comp128[1]); print_shorts("ch:",(int16_t*)&dl_ch128[1]);
print_shorts("pack:",(int16_t*)&rxdataF_comp128[1]);
#endif
// multiply by conjugated channel // multiply by conjugated channel
mmtmpD0 = _mm_madd_epi16(dl_ch128[2],rxdataF128[2]); mmtmpD0 = _mm_madd_epi16(dl_ch128[2],rxdataF128[2]);
...@@ -907,9 +910,11 @@ void nr_dlsch_channel_compensation(int **rxdataF_ext, ...@@ -907,9 +910,11 @@ void nr_dlsch_channel_compensation(int **rxdataF_ext,
mmtmpD3 = _mm_unpackhi_epi32(mmtmpD0,mmtmpD1); mmtmpD3 = _mm_unpackhi_epi32(mmtmpD0,mmtmpD1);
rxdataF_comp128[2] = _mm_packs_epi32(mmtmpD2,mmtmpD3); rxdataF_comp128[2] = _mm_packs_epi32(mmtmpD2,mmtmpD3);
//print_shorts("rx:",(int16_t*)&rxdataF128[2]); #ifdef DEBUG_DLSCH_DEMOD
//print_shorts("ch:",(int16_t*)&dl_ch128[2]); print_shorts("rx:",(int16_t*)&rxdataF128[2]);
//print_shorts("pack:",(int16_t*)&rxdataF_comp128[2]); print_shorts("ch:",(int16_t*)&dl_ch128[2]);
print_shorts("pack:",(int16_t*)&rxdataF_comp128[2]);
#endif
dl_ch128+=3; dl_ch128+=3;
dl_ch_mag128+=3; dl_ch_mag128+=3;
...@@ -1994,87 +1999,88 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF, ...@@ -1994,87 +1999,88 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF,
NR_DL_FRAME_PARMS *frame_parms, NR_DL_FRAME_PARMS *frame_parms,
uint16_t dlDmrsSymbPos) uint16_t dlDmrsSymbPos)
{ {
if (config_type == NFAPI_NR_DMRS_TYPE1) {
unsigned short k,rb;
unsigned char nushift,i,aarx;
int *dl_ch0,*dl_ch0_ext,*rxF,*rxF_ext;
int8_t validDmrsEst = 0; //store last DMRS Symbol index
unsigned char j=0;
if (config_type==NFAPI_NR_DMRS_TYPE1) {
AssertFatal(n_dmrs_cdm_groups == 1 || n_dmrs_cdm_groups == 2, AssertFatal(n_dmrs_cdm_groups == 1 || n_dmrs_cdm_groups == 2,
"n_dmrs_cdm_groups %d is illegal\n",n_dmrs_cdm_groups); "n_dmrs_cdm_groups %d is illegal\n",n_dmrs_cdm_groups);
nushift = n_dmrs_cdm_groups -1;//delta in Table 7.4.1.1.2-1
} else { } else {
AssertFatal(n_dmrs_cdm_groups == 1 || n_dmrs_cdm_groups == 2 || n_dmrs_cdm_groups == 3, AssertFatal(n_dmrs_cdm_groups == 1 || n_dmrs_cdm_groups == 2 || n_dmrs_cdm_groups == 3,
"n_dmrs_cdm_groups %d is illegal\n",n_dmrs_cdm_groups); "n_dmrs_cdm_groups %d is illegal\n",n_dmrs_cdm_groups);
nushift = (n_dmrs_cdm_groups -1)<<1;//delta in Table 7.4.1.1.2-2 }
}
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
k = frame_parms->first_carrier_offset + NR_NB_SC_PER_RB*start_rb; const unsigned short start_re = (frame_parms->first_carrier_offset + start_rb * NR_NB_SC_PER_RB) % frame_parms->ofdm_symbol_size;
const int8_t validDmrsEst = get_valid_dmrs_idx_for_channel_est(dlDmrsSymbPos, symbol);
validDmrsEst = get_valid_dmrs_idx_for_channel_est(dlDmrsSymbPos,symbol); for (unsigned char aarx = 0; aarx < frame_parms->nb_antennas_rx; aarx++) {
dl_ch0 = &dl_ch_estimates[aarx][(validDmrsEst*(frame_parms->ofdm_symbol_size))]; int32_t *dl_ch0 = &dl_ch_estimates[aarx][validDmrsEst * frame_parms->ofdm_symbol_size];
int32_t *dl_ch0_ext = &dl_ch_estimates_ext[aarx][symbol * nb_rb_pdsch * NR_NB_SC_PER_RB];
int32_t *rxF_ext = &rxdataF_ext[aarx][symbol * nb_rb_pdsch * NR_NB_SC_PER_RB];
int32_t *rxF = &rxdataF[aarx][symbol * frame_parms->ofdm_symbol_size];
dl_ch0_ext = &dl_ch_estimates_ext[aarx][symbol*(nb_rb_pdsch*12)]; if (pilots == 0) { //data symbol only
if (start_re + nb_rb_pdsch * NR_NB_SC_PER_RB <= frame_parms->ofdm_symbol_size) {
memcpy((void*)rxF_ext, (void*)&rxF[start_re], nb_rb_pdsch * NR_NB_SC_PER_RB * sizeof(int32_t));
} else {
int neg_length = frame_parms->ofdm_symbol_size - start_re;
int pos_length = nb_rb_pdsch * NR_NB_SC_PER_RB - neg_length;
rxF_ext = &rxdataF_ext[aarx][symbol*(nb_rb_pdsch*12)]; memcpy((void*)rxF_ext, (void*)&rxF[start_re], neg_length * sizeof(int32_t));
rxF = &rxdataF[aarx][(k+(symbol*(frame_parms->ofdm_symbol_size)))]; memcpy((void*)&rxF_ext[neg_length], (void*)rxF, pos_length * sizeof(int32_t));
for (rb = 0; rb < nb_rb_pdsch; rb++) {
if (k>=frame_parms->ofdm_symbol_size) {
k = k-frame_parms->ofdm_symbol_size;
rxF = &rxdataF[aarx][(k+(symbol*(frame_parms->ofdm_symbol_size)))];
} }
if (pilots==0) { memcpy((void*)dl_ch0_ext, (void*)dl_ch0, nb_rb_pdsch * NR_NB_SC_PER_RB * sizeof(int32_t));
memcpy((void*)rxF_ext,(void*)rxF,12*sizeof(*rxF_ext)); }
memcpy((void*)dl_ch0_ext,(void*)dl_ch0,12*sizeof(*dl_ch0_ext)); else if (config_type == NFAPI_NR_DMRS_TYPE1){
dl_ch0_ext+=12; if (n_dmrs_cdm_groups == 1) { //data is multiplexed
rxF_ext+=12; unsigned short k = start_re;
} else {//the symbol contains DMRS for (unsigned short j = 0; j < 6*nb_rb_pdsch; j += 3) {
j=0; rxF_ext[j] = rxF[k+1];
if (config_type==NFAPI_NR_DMRS_TYPE1){ rxF_ext[j+1] = rxF[k+3];
if (nushift == 0) {//data is multiplexed rxF_ext[j+2] = rxF[k+5];
for (i = (1-nushift); i<12; i+=2) { dl_ch0_ext[j] = dl_ch0[1];
rxF_ext[j]=rxF[i]; dl_ch0_ext[j+1] = dl_ch0[3];
dl_ch0_ext[j]=dl_ch0[i]; dl_ch0_ext[j+2] = dl_ch0[5];
j++; dl_ch0 += 6;
} k += 6;
dl_ch0_ext+=6; if (k >= frame_parms->ofdm_symbol_size)
rxF_ext+=6; k -= frame_parms->ofdm_symbol_size;
}
} else {//NFAPI_NR_DMRS_TYPE2
for (i = (2+nushift); i<6; i++) {
rxF_ext[j]=rxF[i];
dl_ch0_ext[j]=dl_ch0[i];
j++;
}
for (i = (8+nushift); i<12; i++) {
rxF_ext[j]=rxF[i];
dl_ch0_ext[j]=dl_ch0[i];
j++;
}
dl_ch0_ext+= j;
rxF_ext+= j;
} }
} }
}
dl_ch0+=12; else {//NFAPI_NR_DMRS_TYPE2
rxF+=12; if (n_dmrs_cdm_groups == 1) { //data is multiplexed
k+=12; unsigned short k = start_re;
if (k>=frame_parms->ofdm_symbol_size) { for (unsigned short j = 0; j < 8*nb_rb_pdsch; j += 4) {
k = k-(frame_parms->ofdm_symbol_size); rxF_ext[j] = rxF[k+2];
rxF = &rxdataF[aarx][k+(symbol*(frame_parms->ofdm_symbol_size))]; rxF_ext[j+1] = rxF[k+3];
rxF_ext[j+2] = rxF[k+4];
rxF_ext[j+3] = rxF[k+5];
dl_ch0_ext[j] = dl_ch0[2];
dl_ch0_ext[j+1] = dl_ch0[3];
dl_ch0_ext[j+2] = dl_ch0[4];
dl_ch0_ext[j+3] = dl_ch0[5];
dl_ch0 += 6;
k += 6;
if (k >= frame_parms->ofdm_symbol_size)
k -= frame_parms->ofdm_symbol_size;
}
}
else if (n_dmrs_cdm_groups == 2) { //data is multiplexed
unsigned short k = start_re;
for (unsigned short j = 0; j < 4*nb_rb_pdsch; j += 2) {
rxF_ext[j] = rxF[k+4];
rxF_ext[j+1] = rxF[k+5];
dl_ch0_ext[j] = dl_ch0[4];
dl_ch0_ext[j+1] = dl_ch0[5];
dl_ch0 += 6;
k += 6;
if (k >= frame_parms->ofdm_symbol_size)
k -= frame_parms->ofdm_symbol_size;
}
} }
} }
} }
return(nb_rb_pdsch);
return nb_rb_pdsch;
} }
unsigned short nr_dlsch_extract_rbs_multiple(int **rxdataF, unsigned short nr_dlsch_extract_rbs_multiple(int **rxdataF,
......
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