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some more changes in ulsch structures

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This commit is contained in:
francescomani
2021-07-24 16:45:37 +02:00
parent 0f4e765991
commit f833ca474a
4 changed files with 35 additions and 32 deletions
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openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c
+1 -1
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@@ -171,7 +171,7 @@ void nr_gnb_measurements(PHY_VARS_gNB *gNB, uint8_t ulsch_id, unsigned char harq
for (int aatx = 0; aatx < nrOfLayers; aatx++){
meas->rx_spatial_power[ulsch_id][aatx][aarx] = (signal_energy_nodc(&gNB->pusch_vars[ulsch_id]->ul_ch_estimates[aarx][ch_offset], N_RB_UL * NR_NB_SC_PER_RB));
meas->rx_spatial_power[ulsch_id][aatx][aarx] = (signal_energy_nodc(&gNB->pusch_vars[ulsch_id]->ul_ch_estimates[aatx*fp->nb_antennas_rx+aarx][ch_offset], N_RB_UL * NR_NB_SC_PER_RB));
if (meas->rx_spatial_power[ulsch_id][aatx][aarx] < 0) {
meas->rx_spatial_power[ulsch_id][aatx][aarx] = 0;
openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
+4 -4
View File
@@ -172,7 +172,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
pil = (int16_t *)&pilot[0];
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+nushift)];
ul_ch = (int16_t *)&ul_ch_estimates[aarx][ch_offset];
ul_ch = (int16_t *)&ul_ch_estimates[p*gNB->frame_parms.nb_antennas_rx+aarx][ch_offset];
re_offset = k;
memset(ul_ch,0,4*(gNB->frame_parms.ofdm_symbol_size));
@@ -371,7 +371,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
// check if PRB crosses DC and improve estimates around DC
if ((bwp_start_subcarrier < gNB->frame_parms.ofdm_symbol_size) && (bwp_start_subcarrier+nb_rb_pusch*12 >= gNB->frame_parms.ofdm_symbol_size)) {
ul_ch = (int16_t *)&ul_ch_estimates[aarx][ch_offset];
ul_ch = (int16_t *)&ul_ch_estimates[p*gNB->frame_parms.nb_antennas_rx+aarx][ch_offset];
uint16_t idxDC = 2*(gNB->frame_parms.ofdm_symbol_size - bwp_start_subcarrier);
uint16_t idxPil = idxDC/2;
re_offset = k;
@@ -422,7 +422,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
}
}
#ifdef DEBUG_PUSCH
ul_ch = (int16_t *)&ul_ch_estimates[aarx][ch_offset];
ul_ch = (int16_t *)&ul_ch_estimates[p*gNB->frame_parms.nb_antennas_rx+aarx][ch_offset];
for(uint16_t idxP=0; idxP<ceil((float)nb_rb_pusch*12/8); idxP++) {
for(uint8_t idxI=0; idxI<16; idxI+=2) {
printf("%d\t%d\t",ul_ch[idxP*16+idxI],ul_ch[idxP*16+idxI+1]);
@@ -512,7 +512,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
ch_r,
ul_ch);
ul_ch_128 = (__m128i *)&ul_ch_estimates[aarx][ch_offset];
ul_ch_128 = (__m128i *)&ul_ch_estimates[p*gNB->frame_parms.nb_antennas_rx+aarx][ch_offset];
ul_ch_128[0] = _mm_slli_epi16 (ul_ch_128[0], 2);
}
openair1/PHY/NR_TRANSPORT/nr_dlsch.c
+2 -1
View File
@@ -278,8 +278,9 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB,
printf("PDSCH resource mapping started (start SC %d\tstart symbol %d\tN_PRB %d\tnb_re %d,nb_layers %d)\n",
start_sc, rel15->StartSymbolIndex, rel15->rbSize, nb_re,rel15->nrOfLayers);
#endif
for (int ap=0; ap<rel15->nrOfLayers; ap++) {
// DMRS params for this ap
get_Wt(Wt, ap, dmrs_Type);
get_Wf(Wf, ap, dmrs_Type);
openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c
+28 -26
View File
@@ -7,6 +7,7 @@
#include "PHY/NR_REFSIG/ptrs_nr.h"
#include "PHY/NR_ESTIMATION/nr_ul_estimation.h"
#include "PHY/defs_nr_common.h"
#include "common/utils/nr/nr_common.h"
//#define DEBUG_CH_COMP
//#define DEBUG_RB_EXT
@@ -491,7 +492,7 @@ void nr_ulsch_channel_level(int **ul_ch_estimates_ext,
//clear average level
avg128U = _mm_setzero_si128();
ul_ch128=(__m128i *)&ul_ch_estimates_ext[(aatx<<1)+aarx][symbol*(off+(nb_rb*12))];
ul_ch128=(__m128i *)&ul_ch_estimates_ext[aatx*frame_parms->nb_antennas_rx+aarx][symbol*(off+(nb_rb*12))];
for (rb = 0; rb < len/12; rb++) {
avg128U = _mm_add_epi32(avg128U, _mm_srai_epi32(_mm_madd_epi16(ul_ch128[0], ul_ch128[0]), x));
@@ -500,10 +501,10 @@ void nr_ulsch_channel_level(int **ul_ch_estimates_ext,
ul_ch128+=3;
}
avg[(aatx<<1)+aarx] = (((int32_t*)&avg128U)[0] +
((int32_t*)&avg128U)[1] +
((int32_t*)&avg128U)[2] +
((int32_t*)&avg128U)[3] ) / y;
avg[aatx*frame_parms->nb_antennas_rx+aarx] = (((int32_t*)&avg128U)[0] +
((int32_t*)&avg128U)[1] +
((int32_t*)&avg128U)[2] +
((int32_t*)&avg128U)[3]) / y;
}
@@ -525,7 +526,7 @@ void nr_ulsch_channel_level(int **ul_ch_estimates_ext,
avg128U = vdupq_n_s32(0);
// 5 is always a symbol with no pilots for both normal and extended prefix
ul_ch128 = (int16x4_t *)&ul_ch_estimates_ext[(aatx<<1)+aarx][symbol*frame_parms->N_RB_UL*12];
ul_ch128 = (int16x4_t *)&ul_ch_estimates_ext[aatx*frame_parms->nb_antennas_rx+aarx][symbol*frame_parms->N_RB_UL*12];
for (rb = 0; rb < nb_rb; rb++) {
// printf("rb %d : ",rb);
@@ -557,10 +558,10 @@ void nr_ulsch_channel_level(int **ul_ch_estimates_ext,
else
nre=12;
avg[(aatx<<1)+aarx] = (((int32_t*)&avg128U)[0] +
((int32_t*)&avg128U)[1] +
((int32_t*)&avg128U)[2] +
((int32_t*)&avg128U)[3] ) / (nb_rb*nre);
avg[aatx*frame_parms->nb_antennas_rx+aarx] = (((int32_t*)&avg128U)[0] +
((int32_t*)&avg128U)[1] +
((int32_t*)&avg128U)[2] +
((int32_t*)&avg128U)[3]) / (nb_rb*nre);
}
}
#endif
@@ -646,11 +647,11 @@ void nr_ulsch_channel_compensation(int **rxdataF_ext,
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
ul_ch128 = (__m128i *)&ul_ch_estimates_ext[(aatx<<1)+aarx][symbol*(off+(nb_rb*12))];
ul_ch_mag128 = (__m128i *)&ul_ch_mag[(aatx<<1)+aarx][symbol*(off+(nb_rb*12))];
ul_ch_mag128b = (__m128i *)&ul_ch_magb[(aatx<<1)+aarx][symbol*(off+(nb_rb*12))];
ul_ch128 = (__m128i *)&ul_ch_estimates_ext[aatx*frame_parms->nb_antennas_rx+aarx][symbol*(off+(nb_rb*12))];
ul_ch_mag128 = (__m128i *)&ul_ch_mag[aatx*frame_parms->nb_antennas_rx+aarx][symbol*(off+(nb_rb*12))];
ul_ch_mag128b = (__m128i *)&ul_ch_magb[aatx*frame_parms->nb_antennas_rx+aarx][symbol*(off+(nb_rb*12))];
rxdataF128 = (__m128i *)&rxdataF_ext[aarx][symbol*(off+(nb_rb*12))];
rxdataF_comp128 = (__m128i *)&rxdataF_comp[(aatx<<1)+aarx][symbol*(off+(nb_rb*12))];
rxdataF_comp128 = (__m128i *)&rxdataF_comp[aatx*frame_parms->nb_antennas_rx+aarx][symbol*(off+(nb_rb*12))];
for (rb=0; rb<nb_rb; rb++) {
@@ -903,11 +904,11 @@ void nr_ulsch_channel_compensation(int **rxdataF_ext,
// printf("comp: rxdataF_comp %p, symbol %d\n",rxdataF_comp[0],symbol);
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
ul_ch128 = (int16x4_t*)&ul_ch_estimates_ext[(aatx<<1)+aarx][symbol*frame_parms->N_RB_UL*12];
ul_ch_mag128 = (int16x8_t*)&ul_ch_mag[(aatx<<1)+aarx][symbol*frame_parms->N_RB_UL*12];
ul_ch_mag128b = (int16x8_t*)&ul_ch_magb[(aatx<<1)+aarx][symbol*frame_parms->N_RB_UL*12];
ul_ch128 = (int16x4_t*)&ul_ch_estimates_ext[aatx*frame_parms->nb_antennas_rx+aarx][symbol*frame_parms->N_RB_UL*12];
ul_ch_mag128 = (int16x8_t*)&ul_ch_mag[aatx*frame_parms->nb_antennas_rx+aarx][symbol*frame_parms->N_RB_UL*12];
ul_ch_mag128b = (int16x8_t*)&ul_ch_magb[aatx*frame_parms->nb_antennas_rx+aarx][symbol*frame_parms->N_RB_UL*12];
rxdataF128 = (int16x4_t*)&rxdataF_ext[aarx][symbol*frame_parms->N_RB_UL*12];
rxdataF_comp128 = (int16x4x2_t*)&rxdataF_comp[(aatx<<1)+aarx][symbol*frame_parms->N_RB_UL*12];
rxdataF_comp128 = (int16x4x2_t*)&rxdataF_comp[aatx*frame_parms->nb_antennas_rx+aarx][symbol*frame_parms->N_RB_UL*12];
for (rb=0; rb<nb_rb; rb++) {
if (mod_order>2) {
@@ -1189,13 +1190,14 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB,
if (gNB->pusch_vars[ulsch_id]->dmrs_symbol == INVALID_VALUE)
gNB->pusch_vars[ulsch_id]->dmrs_symbol = symbol;
nr_pusch_channel_estimation(gNB,
slot,
0, // p
symbol,
ulsch_id,
bwp_start_subcarrier,
rel15_ul);
for (int nl=0; nl<rel15_ul->nrOfLayers; nl++)
nr_pusch_channel_estimation(gNB,
slot,
get_dmrs_port(nl,rel15_ul->dmrs_ports),
symbol,
ulsch_id,
bwp_start_subcarrier,
rel15_ul);
nr_gnb_measurements(gNB, ulsch_id, harq_pid, symbol,rel15_ul->nrOfLayers);
@@ -1285,7 +1287,7 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB,
for (aatx=0;aatx<rel15_ul->nrOfLayers;aatx++)
for (aarx=0;aarx<frame_parms->nb_antennas_rx;aarx++)
avgs = cmax(avgs,avg[(aatx<<1)+aarx]);
avgs = cmax(avgs,avg[aatx*frame_parms->nb_antennas_rx+aarx]);
gNB->pusch_vars[ulsch_id]->log2_maxh = (log2_approx(avgs)/2)+3;
gNB->pusch_vars[ulsch_id]->cl_done = 1;