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Commit be807c92 authored by francescomani's avatar francescomani
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use layer number and not dmrs port number to index pdsch channel estimates... 

use layer number and not dmrs port number to index pdsch channel estimates (plus some code improvement)
parent 9379bf85
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Showing with 55 additions and 56 deletions
openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
View file @ be807c92
......@@ -1613,6 +1613,7 @@ void NFAPI_NR_DMRS_TYPE2_average_prb(NR_DL_FRAME_PARMS *frame_parms,
}
int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
const UE_nr_rxtx_proc_t *proc,
int nl,
unsigned short p,
unsigned char symbol,
unsigned char nscid,
......@@ -1682,7 +1683,7 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
#endif
c16_t *rxF = &rxdataF[aarx][symbol_offset + nushift];
c16_t *dl_ch = (c16_t *)&dl_ch_estimates[p * ue->frame_parms.nb_antennas_rx + aarx][ch_offset];
c16_t *dl_ch = (c16_t *)&dl_ch_estimates[nl * ue->frame_parms.nb_antennas_rx + aarx][ch_offset];
memset(dl_ch, 0, sizeof(*dl_ch) * ue->frame_parms.ofdm_symbol_size);
if (config_type == NFAPI_NR_DMRS_TYPE1 && ue->chest_freq == 0) {
......@@ -1724,7 +1725,7 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
}
#ifdef DEBUG_PDSCH
dl_ch = (c16_t *)&dl_ch_estimates[p * ue->frame_parms.nb_antennas_rx + aarx][ch_offset];
dl_ch = (c16_t *)&dl_ch_estimates[nl * ue->frame_parms.nb_antennas_rx + aarx][ch_offset];
for (uint16_t idxP = 0; idxP < ceil((float)nb_rb_pdsch * 12 / 8); idxP++) {
for (uint8_t idxI = 0; idxI < 8; idxI++) {
printf("%4d\t%4d\t", dl_ch[idxP * 8 + idxI].r, dl_ch[idxP * 8 + idxI].i);
......
openair1/PHY/NR_UE_ESTIMATION/nr_estimation.h
View file @ be807c92
......@@ -77,6 +77,7 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
const UE_nr_rxtx_proc_t *proc,
int nl,
unsigned short p,
unsigned char symbol,
unsigned char nscid,
......
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
View file @ be807c92
......@@ -181,24 +181,24 @@ static void nr_dlsch_channel_level_median(uint32_t rx_size_symbol,
@param phy_measurements Pointer to UE PHY measurements
*/
void nr_dlsch_channel_compensation(uint32_t rx_size_symbol,
int nbRx,
c16_t rxdataF_ext[][rx_size_symbol],
int32_t dl_ch_estimates_ext[][rx_size_symbol],
int32_t dl_ch_mag[][nbRx][rx_size_symbol],
int32_t dl_ch_magb[][nbRx][rx_size_symbol],
int32_t dl_ch_magr[][nbRx][rx_size_symbol],
int32_t rxdataF_comp[][nbRx][rx_size_symbol * NR_SYMBOLS_PER_SLOT],
int ***rho,
NR_DL_FRAME_PARMS *frame_parms,
uint8_t n_layers,
unsigned char symbol,
int length,
uint8_t first_symbol_flag,
unsigned char mod_order,
unsigned short nb_rb,
unsigned char output_shift,
PHY_NR_MEASUREMENTS *measurements);
static void nr_dlsch_channel_compensation(uint32_t rx_size_symbol,
int nbRx,
c16_t rxdataF_ext[][rx_size_symbol],
int32_t dl_ch_estimates_ext[][rx_size_symbol],
int32_t dl_ch_mag[][nbRx][rx_size_symbol],
int32_t dl_ch_magb[][nbRx][rx_size_symbol],
int32_t dl_ch_magr[][nbRx][rx_size_symbol],
int32_t rxdataF_comp[][nbRx][rx_size_symbol * NR_SYMBOLS_PER_SLOT],
int ***rho,
NR_DL_FRAME_PARMS *frame_parms,
uint8_t n_layers,
unsigned char symbol,
int length,
bool first_symbol_flag,
unsigned char mod_order,
unsigned short nb_rb,
unsigned char output_shift,
PHY_NR_MEASUREMENTS *measurements);
/** \brief This function computes the average channel level over all allocated RBs and antennas (TX/RX) in order to compute output shift for compensated signal
@param dl_ch_estimates_ext Channel estimates in allocated RBs
......@@ -242,7 +242,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
const UE_nr_rxtx_proc_t *proc,
NR_UE_DLSCH_t dlsch[2],
unsigned char symbol,
unsigned char first_symbol_flag,
bool first_symbol_flag,
unsigned char harq_pid,
uint32_t pdsch_est_size,
int32_t dl_ch_estimates[][pdsch_est_size],
......@@ -434,7 +434,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
//----------------------------------------------------------
if (meas_enabled)
start_meas(&meas);
if (first_symbol_flag == 1) {
if (first_symbol_flag) {
int32_t avg[MAX_ANT][MAX_ANT];
nr_dlsch_channel_level(rx_size_symbol, dl_ch_estimates_ext, frame_parms, nl, avg, symbol, nb_re_pdsch, nb_rb_pdsch);
int avgs = 0;
......@@ -734,24 +734,24 @@ void nr_dlsch_deinterleaving(uint8_t symbol,
// Pre-processing for LLR computation
//==============================================================================================
void nr_dlsch_channel_compensation(uint32_t rx_size_symbol,
int nbRx,
c16_t rxdataF_ext[][rx_size_symbol],
int32_t dl_ch_estimates_ext[][rx_size_symbol],
int32_t dl_ch_mag[][nbRx][rx_size_symbol],
int32_t dl_ch_magb[][nbRx][rx_size_symbol],
int32_t dl_ch_magr[][nbRx][rx_size_symbol],
int32_t rxdataF_comp[][nbRx][rx_size_symbol * NR_SYMBOLS_PER_SLOT],
int ***rho,
NR_DL_FRAME_PARMS *frame_parms,
uint8_t n_layers,
unsigned char symbol,
int length,
uint8_t first_symbol_flag,
unsigned char mod_order,
unsigned short nb_rb,
unsigned char output_shift,
PHY_NR_MEASUREMENTS *measurements)
static void nr_dlsch_channel_compensation(uint32_t rx_size_symbol,
int nbRx,
c16_t rxdataF_ext[][rx_size_symbol],
int32_t dl_ch_estimates_ext[][rx_size_symbol],
int32_t dl_ch_mag[][nbRx][rx_size_symbol],
int32_t dl_ch_magb[][nbRx][rx_size_symbol],
int32_t dl_ch_magr[][nbRx][rx_size_symbol],
int32_t rxdataF_comp[][nbRx][rx_size_symbol * NR_SYMBOLS_PER_SLOT],
int ***rho,
NR_DL_FRAME_PARMS *frame_parms,
uint8_t n_layers,
unsigned char symbol,
int length,
bool first_symbol_flag,
unsigned char mod_order,
unsigned short nb_rb,
unsigned char output_shift,
PHY_NR_MEASUREMENTS *measurements)
{
......@@ -1034,7 +1034,7 @@ void nr_dlsch_channel_compensation(uint32_t rx_size_symbol,
dl_ch128_2+=3;
rho128+=3;
}
if (first_symbol_flag==1) {
if (first_symbol_flag) {
//rho_nm = H_arx_n.conj(H_arx_m)
//rho_rx_corr[arx][nm] = |H_arx_n|^2.|H_arx_m|^2 &rho[aarx][l*n_layers+atx][symbol*nb_rb*12]
measurements->rx_correlation[0][aarx][l * n_layers + atx] = signal_energy(&rho[aarx][l * n_layers + atx][symbol * nb_rb * 12],length);
......
openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h
View file @ be807c92
......@@ -397,7 +397,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
const UE_nr_rxtx_proc_t *proc,
NR_UE_DLSCH_t dlsch[2],
unsigned char symbol,
unsigned char first_symbol_flag,
bool first_symbol_flag,
unsigned char harq_pid,
uint32_t pdsch_est_size,
int32_t dl_ch_estimates[][pdsch_est_size],
......
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
View file @ be807c92
......@@ -489,8 +489,6 @@ static int nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue,
{
int frame_rx = proc->frame_rx;
int nr_slot_rx = proc->nr_slot_rx;
int m;
int first_symbol_flag=0;
// We handle only one CW now
if (!(NR_MAX_NB_LAYERS>4)) {
......@@ -523,13 +521,14 @@ static int nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue,
__attribute__((aligned(32))) int32_t rxdataF_comp[dlsch[0].Nl][ue->frame_parms.nb_antennas_rx][rx_size_symbol * NR_SYMBOLS_PER_SLOT];
memset(rxdataF_comp, 0, sizeof(rxdataF_comp));
for (m = s0; m < (s0 +s1); m++) {
for (int m = s0; m < (s0 +s1); m++) {
if (dlsch0->dlsch_config.dlDmrsSymbPos & (1 << m)) {
for (uint8_t aatx=0; aatx<dlsch0->Nl; aatx++) {//for MIMO Config: it shall loop over no_layers
LOG_D(PHY,"PDSCH Channel estimation gNB id %d, PDSCH antenna port %d, slot %d, symbol %d\n",0,aatx,nr_slot_rx,m);
for (int nl = 0; nl < dlsch0->Nl; nl++) { //for MIMO Config: it shall loop over no_layers
LOG_D(PHY,"PDSCH Channel estimation layer %d, slot %d, symbol %d\n", nl, nr_slot_rx, m);
nr_pdsch_channel_estimation(ue,
proc,
get_dmrs_port(aatx,dlsch0->dlsch_config.dmrs_ports),
nl,
get_dmrs_port(nl,dlsch0->dlsch_config.dmrs_ports),
m,
dlsch0->dlsch_config.nscid,
dlsch0->dlsch_config.dlDmrsScramblingId,
......@@ -546,9 +545,9 @@ static int nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue,
int nr_frame_rx = proc->frame_rx;
char filename[100];
for (uint8_t aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
sprintf(filename,"PDSCH_CHANNEL_frame%d_slot%d_sym%d_port%d_rx%d.m", nr_frame_rx, nr_slot_rx, m, aatx,aarx);
sprintf(filename,"PDSCH_CHANNEL_frame%d_slot%d_sym%d_port%d_rx%d.m", nr_frame_rx, nr_slot_rx, m, nl, aarx);
int **dl_ch_estimates = ue->pdsch_vars[gNB_id]->dl_ch_estimates;
LOG_M(filename,"channel_F",&dl_ch_estimates[aatx*ue->frame_parms.nb_antennas_rx+aarx][ue->frame_parms.ofdm_symbol_size*m],ue->frame_parms.ofdm_symbol_size, 1, 1);
LOG_M(filename,"channel_F",&dl_ch_estimates[nl*ue->frame_parms.nb_antennas_rx+aarx][ue->frame_parms.ofdm_symbol_size*m],ue->frame_parms.ofdm_symbol_size, 1, 1);
}
#endif
}
......@@ -582,12 +581,10 @@ static int nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue,
int32_t log2_maxh = 0;
start_meas(&ue->rx_pdsch_stats);
for (m = s0; m < (s1 + s0); m++) {
if (m==first_symbol_with_data)
first_symbol_flag = 1;
else
first_symbol_flag = 0;
for (int m = s0; m < (s1 + s0); m++) {
bool first_symbol_flag = false;
if (m == first_symbol_with_data)
first_symbol_flag = true;
uint8_t slot = 0;
if(m >= ue->frame_parms.symbols_per_slot>>1)
......
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