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Merge remote-tracking branch 'origin/enhance-ssb-dci-processing' into integration_2025_w32 (!3541)

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simplify and make more local variables in nr_rx_pdcch() and fix small bugs...

simplify and make more local variables in nr_rx_pdcch() and fix small bugs
(size 9 RE instaed of 12 RE)
This commit is contained in:
Jaroslava Fiedlerova
2025-08-04 23:57:40 +02:00
parent da2cbea5e4 f835705dd1
commit de91ab6eb9
7 changed files with 175 additions and 323 deletions
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openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
+94 -234
View File
@@ -44,9 +44,7 @@
#include "assertions.h"
#include "T.h"
//#define DEBUG_DCI_DECODING 1
//#define NR_PDCCH_DCI_DEBUG // activates NR_PDCCH_DCI_DEBUG logs
// #define NR_PDCCH_DCI_DEBUG // activates NR_PDCCH_DCI_DEBUG logs
#ifdef NR_PDCCH_DCI_DEBUG
#define LOG_DDD(a, ...) printf("<-NR_PDCCH_DCI_DEBUG (%s)-> " a, __func__, ##__VA_ARGS__ )
#define LOG_DSYMB(b) \
@@ -63,14 +61,14 @@
#define LOG_DDD(a...)
#define LOG_DSYMB(a...)
#endif
#define NR_NBR_CORESET_ACT_BWP 3 // The number of CoreSets per BWP is limited to 3 (including initial CORESET: ControlResourceId 0)
#define NR_NBR_SEARCHSPACE_ACT_BWP \
10 // The number of SearSpaces per BWP is limited to 10 (including initial SEARCHSPACE: SearchSpaceId 0)
#ifdef LOG_I
#undef LOG_I
#define LOG_I(A, B...) printf(B)
#endif
#define RE_PER_RB 12
// after removing the 3 DMRS RE, the RB contains 9 RE with PDCCH
#define RE_PER_RB_OUT_DMRS 9
static void nr_pdcch_demapping_deinterleaving(c16_t *llr,
c16_t *e_rx,
@@ -170,7 +168,7 @@ static void nr_pdcch_demapping_deinterleaving(c16_t *llr,
}
int rb_count = 0;
const int data_sc = 9; // 9 sub-carriers with data per PRB
const int data_sc = RE_PER_RB_OUT_DMRS; // 9 sub-carriers with data per PRB
for (int c_id = 0; c_id < number_of_candidates; c_id++) {
for (int symbol_idx = start_symbol; symbol_idx < start_symbol + coreset_time_dur; symbol_idx++) {
for (int cce_count = 0; cce_count < L[c_id]; cce_count++) {
@@ -186,67 +184,47 @@ static void nr_pdcch_demapping_deinterleaving(c16_t *llr,
}
}
static void nr_pdcch_llr(NR_DL_FRAME_PARMS *frame_parms,
int32_t rx_size,
c16_t rxdataF_comp[][rx_size],
c16_t *pdcch_llr,
uint8_t symbol,
uint32_t coreset_nbr_rb)
static void nr_pdcch_llr(uint32_t sz, c16_t *rxF, c16_t *llr)
{
c16_t *rxF = &rxdataF_comp[0][(symbol * coreset_nbr_rb * 12)];
c16_t *pdcch_llrp = &pdcch_llr[symbol * coreset_nbr_rb * 9];
if (!pdcch_llrp) {
LOG_E(NR_PHY_DCI, "pdcch_qpsk_llr: llr is null, symbol %d\n", symbol);
return;
}
LOG_DDD("llr logs: pdcch qpsk llr for symbol %d (pos %d), llr offset %ld\n",symbol,(symbol*frame_parms->N_RB_DL*12),pdcch_llrp-pdcch_llr);
for (int i = 0; i < coreset_nbr_rb * 9; i++) {
for (int i = 0; i < sz; i++) {
// We clip the signal
c16_t res;
res.r = min(rxF->r, 31);
res.r = max(-32, res.r);
res.i = min(rxF->i, 31);
res.i = max(-32, res.i);
*pdcch_llrp = res;
LOG_DDD("llr logs: rb=%d i=%d *rxF:%d => *pdcch_llrp:%d\n",i/18,i,*rxF,*pdcch_llrp);
*llr++ = res;
LOG_DDD("llr logs: rb=%d i=%d rxF:%d,%d => pdcch_llr:%d,%d\n", i / 18, i, rxF->r, rxF->i, llr->r, llr->i);
rxF++;
pdcch_llrp++;
}
}
//compute average channel_level on each (TX,RX) antenna pair
void nr_pdcch_channel_level(int32_t rx_size,
c16_t dl_ch_estimates_ext[][rx_size],
NR_DL_FRAME_PARMS *frame_parms,
int32_t *avg,
int symbol,
int nb_rb)
static int32_t nr_pdcch_channel_level(int nb_re, int arraySz, c16_t dl_ch_estimates_ext[][arraySz], int nb_antennas_rx)
{
for (int aarx = 0; aarx < frame_parms->nb_antennas_rx; aarx++) {
simde__m128i *dl_ch128 = (simde__m128i *)&dl_ch_estimates_ext[aarx][symbol * nb_rb * 12];
//compute average level
avg[aarx] = simde_mm_average(dl_ch128, nb_rb * 12, 0, nb_rb * 12);
//LOG_DDD("Channel level : %d\n", avg[aarx]);
int32_t avgs = 0;
for (int aarx = 0; aarx < nb_antennas_rx; aarx++) {
simde__m128i *dl_ch128 = (simde__m128i *)&dl_ch_estimates_ext[aarx];
// compute average level
// if nb_re is not %4, some samples are missed inside simde_mm_average, so let's discard it
int32_t tmp = simde_mm_average(dl_ch128, nb_re & ~3, 0, nb_re & ~3);
avgs = cmax(avgs, tmp);
}
return avgs;
}
// This function will extract the mapped DM-RS PDCCH REs as per 38.211 Section 7.4.1.3.2 (Mapping to physical resources)
static void nr_pdcch_extract_rbs_single(uint32_t rxdataF_sz,
uint32_t coreset_nbr_rb,
c16_t rxdataF[][rxdataF_sz],
int32_t est_size,
c16_t dl_ch_estimates[][est_size],
int32_t rx_size,
c16_t rxdataF_ext[][rx_size],
c16_t dl_ch_estimates_ext[][rx_size],
int arraySz,
c16_t rxdataF_ext[][arraySz],
c16_t dl_ch_estimates_ext[][arraySz],
int symbol,
NR_DL_FRAME_PARMS *frame_parms,
uint8_t *coreset_freq_dom,
uint32_t coreset_nbr_rb,
uint32_t n_BWP_start)
{
/*
@@ -260,19 +238,13 @@ static void nr_pdcch_extract_rbs_single(uint32_t rxdataF_sz,
*
*/
#define NBR_RE_PER_RB_WITH_DMRS 12
// after removing the 3 DMRS RE, the RB contains 9 RE with PDCCH
#define NBR_RE_PER_RB_WITHOUT_DMRS 9
for (int aarx = 0; aarx < frame_parms->nb_antennas_rx; aarx++) {
const c16_t *dl_ch0 = dl_ch_estimates[aarx] + frame_parms->ofdm_symbol_size * symbol;
c16_t *rxFbase = rxdataF[aarx] + frame_parms->ofdm_symbol_size * symbol;
LOG_DDD("dl_ch0 = &dl_ch_estimates[aarx = (%d)][0]\n", aarx);
const int offset = symbol * coreset_nbr_rb * NBR_RE_PER_RB_WITH_DMRS;
c16_t *dl_ch0_ext = &dl_ch_estimates_ext[aarx][offset];
LOG_DDD("dl_ch0_ext = &dl_ch_estimates_ext[aarx = (%d)][symbol * (frame_parms->N_RB_DL * 9) = (%d)]\n", aarx, offset);
c16_t *rxF_ext = &rxdataF_ext[aarx][offset];
LOG_DDD("rxF_ext = &rxdataF_ext[aarx = (%d)][symbol * (frame_parms->N_RB_DL * 9) = (%d)]\n", aarx, offset);
c16_t *dl_ch0_ext = dl_ch_estimates_ext[aarx];
c16_t *rxF_ext = rxdataF_ext[aarx];
/*
* The following for loop handles treatment of PDCCH contained in table rxdataF (in frequency domain)
@@ -297,140 +269,67 @@ static void nr_pdcch_extract_rbs_single(uint32_t rxdataF_sz,
int c_rb_by6 = c_rb / 6;
// skip zeros in frequency domain bitmap
while ((coreset_freq_dom[c_rb_by6 >> 3] & (1 << (7 - (c_rb_by6 & 7)))) == 0) {
while ((coreset_freq_dom[c_rb_by6 / 8] & (1 << (7 - (c_rb_by6 & 7)))) == 0) {
c_rb += 6;
c_rb_by6 = c_rb / 6;
}
// first we set initial conditions for pointer to rxdataF depending on the situation of the first RB within the CORESET
// (c_rb = n_BWP_start)
if ((frame_parms->N_RB_DL & 1) == 1 && (c_rb + n_BWP_start) == (frame_parms->N_RB_DL >> 1)) {
// treatment of RB containing the DC
// if odd number RBs in system bandwidth and first RB to be treated is higher than middle system bandwidth (around DC)
// we have to treat the RB in two parts: first part from i=0 to 5, the data is at the end of rxdataF (pointing at the
// end of the table)
c16_t *rxF = rxFbase + frame_parms->first_carrier_offset + 12 * (c_rb + n_BWP_start);
int i = 0, j = 0;
for (; i < 6; i++) { // treating first part of the RB note that i=5 would correspond to DC. We treat it in NR
if ((i != 1) && (i != 5)) {
dl_ch0_ext[j] = dl_ch0[i];
rxF_ext[j] = rxF[i];
LOG_DSYMB("");
j++;
} else {
LOG_DSYMB("\t\t <==> DM-RS PDCCH, this is a pilot symbol\n");
}
}
// then we point at the begining of the symbol part of rxdataF do process second part of RB
for (; i < 12; i++) {
if ((i != 9)) {
dl_ch0_ext[j] = dl_ch0[i];
rxF_ext[j] = rxFbase[i - 6];
LOG_DSYMB("");
j++;
} else {
LOG_DSYMB("\t\t <==> DM-RS PDCCH, this is a pilot symbol\n");
}
}
} else { // treatment of any RB that does not contain the DC
c16_t *rxF=NULL;
if ((frame_parms->N_RB_DL & 1) == 0) {
if ((c_rb + n_BWP_start) < (frame_parms->N_RB_DL >> 1))
// if RB to be treated is lower than middle system bandwidth then rxdataF pointed
// at (offset + c_br + symbol * ofdm_symbol_size): even case
rxF = rxFbase + (frame_parms->first_carrier_offset + 12 * c_rb) + n_BWP_start * 12;
else
// number of RBs is even and c_rb is higher than half system bandwidth (we don't skip DC)
// if these conditions are true the pointer has to be situated at the 1st part of the rxdataF
// we point at the 1st part of the rxdataF in symbol
rxF = rxFbase + 12 * (c_rb + n_BWP_start - (frame_parms->N_RB_DL >> 1));
} else {
if ((c_rb + n_BWP_start) < (frame_parms->N_RB_DL >> 1))
// if RB to be treated is lower than middle system bandwidth then rxdataF pointed
// at (offset + c_br + symbol * ofdm_symbol_size): odd case
rxF = rxFbase + frame_parms->first_carrier_offset + 12 * (c_rb + n_BWP_start);
else if ((c_rb + n_BWP_start) > (frame_parms->N_RB_DL >> 1))
// number of RBs is odd and c_rb is higher than half system bandwidth + 1
// if these conditions are true the pointer has to be situated at the 1st part of
// the rxdataF just after the first IQ symbols of the RB containing DC
// we point at the 1st part of the rxdataF in symbol
rxF = rxFbase + 12 * (c_rb + n_BWP_start - (frame_parms->N_RB_DL >> 1)) - 6;
}
AssertFatal(rxF, "bug");
int j = 0;
for (int i = 0; i < 12; i++) {
if ((i != 1) && (i != 5) && (i != 9)) {
rxF_ext[j] = rxF[i];
dl_ch0_ext[j] = dl_ch0[i];
LOG_DSYMB("");
j++;
} else {
LOG_DSYMB("\t\t <==> DM-RS PDCCH, this is a pilot symbol\n");
}
}
c16_t *rxF = NULL;
if ((frame_parms->N_RB_DL & 1) == 0) {
if ((c_rb + n_BWP_start) < frame_parms->N_RB_DL / 2)
// if RB to be treated is lower than middle system bandwidth then rxdataF pointed
// at (offset + c_br + symbol * ofdm_symbol_size): even case
rxF = rxFbase + frame_parms->first_carrier_offset + RE_PER_RB * (c_rb + n_BWP_start);
else
// number of RBs is even and c_rb is higher than half system bandwidth (we don't skip DC)
// if these conditions are true the pointer has to be situated at the 1st part of the rxdataF
// we point at the 1st part of the rxdataF in symbol
rxF = rxFbase + RE_PER_RB * (c_rb + n_BWP_start - frame_parms->N_RB_DL / 2);
} else {
if ((c_rb + n_BWP_start) <= frame_parms->N_RB_DL / 2)
// if RB to be treated is lower than middle system bandwidth then rxdataF pointed
// at (offset + c_br + symbol * ofdm_symbol_size): odd case
rxF = rxFbase + frame_parms->first_carrier_offset + RE_PER_RB * (c_rb + n_BWP_start);
else
// number of RBs is odd and c_rb is higher than half system bandwidth + 1
// if these conditions are true the pointer has to be situated at the 1st part of
// the rxdataF just after the first IQ symbols of the RB containing DC
// we point at the 1st part of the rxdataF in symbol
rxF = rxFbase + RE_PER_RB * (c_rb + n_BWP_start - frame_parms->N_RB_DL / 2) - 6;
}
dl_ch0_ext += NBR_RE_PER_RB_WITHOUT_DMRS;
rxF_ext += NBR_RE_PER_RB_WITHOUT_DMRS;
dl_ch0 += 12;
const int valid_re[RE_PER_RB_OUT_DMRS] = {0, 2, 3, 4, 6, 7, 8, 10, 11};
for (int i = 0; i < sizeofArray(valid_re); i++) {
*rxF_ext++ = rxF[valid_re[i]];
*dl_ch0_ext++ = dl_ch0[valid_re[i]];
}
dl_ch0 += RE_PER_RB;
}
}
}
#define print_shorts(s,x) printf("%s %d,%d,%d,%d,%d,%d,%d,%d\n",s,(x)[0],(x)[1],(x)[2],(x)[3],(x)[4],(x)[5],(x)[6],(x)[7])
void nr_pdcch_channel_compensation(int32_t rx_size,
c16_t rxdataF_ext[][rx_size],
c16_t dl_ch_estimates_ext[][rx_size],
c16_t rxdataF_comp[][rx_size],
int32_t **rho,
NR_DL_FRAME_PARMS *frame_parms,
uint8_t symbol,
uint8_t output_shift,
uint32_t coreset_nbr_rb)
static void nr_pdcch_channel_compensation(int arraySz,
c16_t rxdataF_ext[][arraySz],
c16_t dl_ch_estimates_ext[][arraySz],
c16_t rxdataF_comp[][arraySz],
int antRx,
uint8_t output_shift)
{
for (int aarx = 0; aarx < frame_parms->nb_antennas_rx; aarx++) {
simde__m128i *dl_ch128 = (simde__m128i *)&dl_ch_estimates_ext[aarx][symbol * coreset_nbr_rb * 12];
simde__m128i *rxdataF128 = (simde__m128i *)&rxdataF_ext[aarx][symbol * coreset_nbr_rb * 12];
simde__m128i *rxdataF_comp128 = (simde__m128i *)&rxdataF_comp[aarx][symbol * coreset_nbr_rb * 12];
//printf("ch compensation dl_ch ext addr %p \n", &dl_ch_estimates_ext[(aatx<<1)+aarx][symbol*20*12]);
//printf("rxdataf ext addr %p symbol %d\n", &rxdataF_ext[aarx][symbol*20*12], symbol);
//printf("rxdataf_comp addr %p\n",&rxdataF_comp[(aatx<<1)+aarx][symbol*20*12]);
// multiply by conjugated channel
mult_cpx_conj_vector((c16_t *)dl_ch128, (c16_t *)rxdataF128, (c16_t *)rxdataF_comp128, 12 * coreset_nbr_rb, output_shift);
for (int rb = 0; rb < 12 * coreset_nbr_rb; rb++) {
LOG_DDD("rxdataF128[%d]=(%d,%d) X dlch[%d]=(%d,%d) rxdataF_comp128[%d]=(%d,%d)\n",
rb,
((c16_t *)rxdataF128)[rb].r,
((c16_t *)rxdataF128)[rb].i,
rb,
((c16_t *)dl_ch128)[rb].r,
((c16_t *)dl_ch128)[rb].i,
rb,
((c16_t *)rxdataF_comp128)[rb].r,
((c16_t *)rxdataF_comp128)[rb].i);
}
for (int aarx = 0; aarx < antRx; aarx++) {
// multiply by conjugated channel, this function require size in _m128i, else it doesn't process all samples
mult_cpx_conj_vector(dl_ch_estimates_ext[aarx], rxdataF_ext[aarx], rxdataF_comp[aarx], arraySz, output_shift);
}
}
static void nr_pdcch_detection_mrc(NR_DL_FRAME_PARMS *frame_parms, int32_t rx_size, c16_t rxdataF_comp[][rx_size], int symbol)
static void nr_pdcch_detection_mrc(int sz, c16_t rxdataF_comp[][sz])
{
if (frame_parms->nb_antennas_rx>1) {
const int sz = frame_parms->N_RB_DL * 12;
simde__m128i *rxdataF_comp128_0 = (simde__m128i *)&rxdataF_comp[0][symbol * sz];
simde__m128i *rxdataF_comp128_1 = (simde__m128i *)&rxdataF_comp[1][symbol * sz];
LOG_D(NR_PHY_DCI, "we enter nr_pdcch_detection_mrc (hard coded 2 antennas)\n");
c16_t *rx0 = rxdataF_comp[0];
c16_t *rx1 = rxdataF_comp[1];
// MRC on each re of rb
for (int i = 0; i < sz >> 2; i++) {
rxdataF_comp128_0[i] = simde_mm_adds_epi16(simde_mm_srai_epi16(rxdataF_comp128_0[i], 1), simde_mm_srai_epi16(rxdataF_comp128_1[i], 1));
}
// MRC on each re of rb
// input always aligned and accepting tail padding to process all actual samples
for (int i = 0; i < sz; i += 4) {
*(simde__m128i *)(rx0 + i) =
simde_mm_adds_epi16(simde_mm_srai_epi16(*(simde__m128i *)(rx0 + i), 1), simde_mm_srai_epi16(*(simde__m128i *)(rx1 + i), 1));
}
}
@@ -444,106 +343,67 @@ void nr_rx_pdcch(PHY_VARS_NR_UE *ue,
{
NR_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
uint8_t log2_maxh, aarx;
int32_t avgs;
int32_t avgP[4];
int n_rb,rb_offset;
get_coreset_rballoc(rel15->coreset.frequency_domain_resource,&n_rb,&rb_offset);
// Pointers to extracted PDCCH symbols in frequency-domain.
int32_t rx_size = ((4 * frame_parms->N_RB_DL * 12 + 31) >> 5) << 5;
__attribute__((aligned(32))) c16_t rxdataF_ext[frame_parms->nb_antennas_rx][rx_size];
__attribute__((aligned(32))) c16_t rxdataF_comp[frame_parms->nb_antennas_rx][rx_size];
__attribute__((aligned(32))) c16_t pdcch_dl_ch_estimates_ext[frame_parms->nb_antennas_rx][rx_size];
memset(rxdataF_comp, 0, sizeof(rxdataF_comp));
const int antRx = frame_parms->nb_antennas_rx;
// Pointer to llrs, 4-bit resolution.
int32_t llr_size = 4 * n_rb * 9;
int32_t llr_size = (rel15->coreset.duration-rel15->coreset.StartSymbolIndex) * n_rb * RE_PER_RB_OUT_DMRS;
c16_t llr[llr_size];
memset(llr, 0, sizeof(llr));
LOG_D(NR_PHY_DCI,
"pdcch coreset: freq %x, n_rb %d, rb_offset %d\n",
rel15->coreset.frequency_domain_resource[0],
n_rb,
rb_offset);
for (int s=rel15->coreset.StartSymbolIndex; s<(rel15->coreset.StartSymbolIndex+rel15->coreset.duration); s++) {
for (int s = rel15->coreset.StartSymbolIndex; s < rel15->coreset.StartSymbolIndex + rel15->coreset.duration; s++) {
LOG_D(NR_PHY_DCI, "in nr_pdcch_extract_rbs_single(rxdataF -> rxdataF_ext || dl_ch_estimates -> dl_ch_estimates_ext)\n");
const int arraySz = ceil_mod(n_rb * RE_PER_RB_OUT_DMRS, 32);
__attribute__((aligned(32))) c16_t rxdataF_ext[antRx][arraySz];
__attribute__((aligned(32))) c16_t pdcch_dl_ch_estimates_ext[antRx][arraySz];
nr_pdcch_extract_rbs_single(ue->frame_parms.samples_per_slot_wCP,
n_rb,
rxdataF,
pdcch_est_size,
pdcch_dl_ch_estimates,
rx_size,
arraySz,
rxdataF_ext,
pdcch_dl_ch_estimates_ext,
s,
frame_parms,
rel15->coreset.frequency_domain_resource,
n_rb,
rel15->BWPStart);
LOG_D(NR_PHY_DCI,
"we enter nr_pdcch_channel_level(avgP=%d) => compute channel level based on ofdm symbol 0, "
"pdcch_vars[eNB_id]->dl_ch_estimates_ext\n",
*avgP);
LOG_D(NR_PHY_DCI, "in nr_pdcch_channel_level(dl_ch_estimates_ext -> dl_ch_estimates_ext)\n");
// compute channel level based on ofdm symbol 0
nr_pdcch_channel_level(rx_size,
pdcch_dl_ch_estimates_ext,
frame_parms,
avgP,
s,
n_rb);
avgs = 0;
for (aarx = 0; aarx < frame_parms->nb_antennas_rx; aarx++)
avgs = cmax(avgs, avgP[aarx]);
log2_maxh = (log2_approx(avgs) / 2) + 5; //+frame_parms->nb_antennas_rx;
int32_t avgs = nr_pdcch_channel_level(n_rb, arraySz, pdcch_dl_ch_estimates_ext, antRx);
uint8_t log2_maxh = (log2_approx(avgs) / 2) + 5; //+antRx;
#ifdef UE_DEBUG_TRACE
LOG_D(NR_PHY_DCI, "slot %d: pdcch log2_maxh = %d (%d,%d)\n", proc->nr_slot_rx, log2_maxh, avgP[0], avgs);
#endif
#if T_TRACER
T(T_UE_PHY_PDCCH_ENERGY, T_INT(0), T_INT(0), T_INT(proc->frame_rx % 1024), T_INT(proc->nr_slot_rx), T_INT(avgP[0]), T_INT(avgP[1]), T_INT(avgP[2]), T_INT(avgP[3]));
T(T_UE_PHY_PDCCH_ENERGY, T_INT(0), T_INT(0), T_INT(proc->frame_rx % 1024), T_INT(proc->nr_slot_rx), T_INT(avgs));
#endif
LOG_D(NR_PHY_DCI, "we enter nr_pdcch_channel_compensation(log2_maxh=%d)\n", log2_maxh);
LOG_D(NR_PHY_DCI, "in nr_pdcch_channel_compensation(rxdataF_ext x dl_ch_estimates_ext -> rxdataF_comp)\n");
// compute LLRs for ofdm symbol 0 only
nr_pdcch_channel_compensation(rx_size, rxdataF_ext,
__attribute__((aligned(32))) c16_t rxdataF_comp[antRx][arraySz];
nr_pdcch_channel_compensation(arraySz,
rxdataF_ext,
pdcch_dl_ch_estimates_ext,
rxdataF_comp,
NULL,
frame_parms,
s,
log2_maxh,
n_rb); // log2_maxh+I0_shift
antRx,
log2_maxh); // log2_maxh+I0_shift
UEscopeCopy(ue, pdcchRxdataF_comp, rxdataF_comp, sizeof(struct complex16), frame_parms->nb_antennas_rx, rx_size, 0);
UEscopeCopy(ue, pdcchRxdataF_comp, rxdataF_comp, sizeof(struct complex16), antRx, n_rb * RE_PER_RB_OUT_DMRS, 0);
if (frame_parms->nb_antennas_rx > 1) {
LOG_D(NR_PHY_DCI, "we enter nr_pdcch_detection_mrc(frame_parms->nb_antennas_rx=%d)\n", frame_parms->nb_antennas_rx);
nr_pdcch_detection_mrc(frame_parms, rx_size, rxdataF_comp,s);
}
if (antRx > 1)
nr_pdcch_detection_mrc(arraySz, rxdataF_comp);
LOG_D(NR_PHY_DCI, "we enter nr_pdcch_llr(for symbol %d), pdcch_vars[eNB_id]->rxdataF_comp ---> pdcch_vars[eNB_id]->llr \n", s);
LOG_D(NR_PHY_DCI, "in nr_pdcch_llr(rxdataF_comp -> llr)\n");
nr_pdcch_llr(frame_parms,
rx_size,
rxdataF_comp,
llr,
s,
n_rb);
UEscopeCopy(ue, pdcchLlr, llr, sizeof(c16_t), 1, llr_size, 0);
#ifdef DEBUG_DCI_DECODING
printf("demapping: slot %u, mi %d\n",slot,get_mi(frame_parms,slot));
#endif
nr_pdcch_llr(n_rb * RE_PER_RB_OUT_DMRS, rxdataF_comp[0], llr + s * n_rb * RE_PER_RB_OUT_DMRS);
}
UEscopeCopy(ue, pdcchLlr, llr, sizeof(c16_t), 1, llr_size, 0);
nr_pdcch_demapping_deinterleaving(llr,
pdcch_e_rx,
@@ -668,6 +528,6 @@ void nr_dci_decoding_procedure(PHY_VARS_NR_UE *ue,
rel15->dci_format_options[k]);
}
}
e_rx_cand_idx += 9 * L * 6; // e_rx index for next candidate (L CCEs, 6 REGs per CCE and 9 REs per REG )
e_rx_cand_idx += RE_PER_RB_OUT_DMRS * L * 6; // e_rx index for next candidate (L CCEs, 6 REGs per CCE and 9 REs per REG )
}
}