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phy_procedures_gNB_uespec_RX is too long function with too long lines of code, this commit only shorten lines and improve a bit the readability

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This commit is contained in:
Laurent THOMAS
2025-11-05 12:03:17 +01:00
parent f9b4fe6a94
commit db09f50ae4
3 changed files with 449 additions and 438 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/nr_phy_common/inc/nr_phy_common.h
+1 -1
View File
@@ -365,7 +365,7 @@ void nr_channel_level(const int symbol,
int32_t avg[nb_rx * Nl],
const uint32_t len);
void nr_scale_channel(int size, int ch_estimates_ext[][size], int symb, uint32_t len, int nrOfLayers, int nb_rx, int shift_ch_ext);
bool generate_srs_nr(NR_DL_FRAME_PARMS *frame_parms,
bool generate_srs_nr(const NR_DL_FRAME_PARMS *frame_parms,
c16_t **txdataF,
uint16_t symbol_offset,
int bwp_start,
openair1/PHY/nr_phy_common/src/nr_phy_common_srs.c
+1 -1
View File
@@ -139,7 +139,7 @@ static int compute_n_b(frame_t frame_number,
* See TS 38.211 - Section 6.4.1.4 Sounding reference signal
*
***************************************************************************/
bool generate_srs_nr(NR_DL_FRAME_PARMS *frame_parms,
bool generate_srs_nr(const NR_DL_FRAME_PARMS *frame_parms,
c16_t **txdataF,
uint16_t symbol_offset,
int bwp_start,
openair1/SCHED_NR/phy_procedures_nr_gNB.c
+447 -436
View File
@@ -627,18 +627,18 @@ void nr_fill_indication(PHY_VARS_gNB *gNB,
}
// Function to fill UL RB mask to be used for N0 measurements
static void fill_ul_rb_mask(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, uint32_t rb_mask_ul[14][9])
static void fill_ul_rb_mask(PHY_VARS_gNB *gNB,
int frame_rx,
int slot_rx,
uint32_t rb_mask_ul[14][9],
nfapi_nr_max_num_of_symbol_per_slot_t *slot_conf)
{
int rb = 0;
int rb2 = 0;
int prbpos = 0;
for (int symbol = 0; symbol < 14; symbol++) {
for (int m = 0; m < 9; m++) {
rb_mask_ul[symbol][m] = 0;
for (int i = 0; i < 32; i++) {
prbpos = (m * 32) + i;
if (prbpos>gNB->frame_parms.N_RB_UL)
int prbpos = (m * 32) + i;
if (prbpos > gNB->frame_parms.N_RB_UL)
break;
rb_mask_ul[symbol][m] |= (gNB->ulprbbl[prbpos] > 0 ? 1U : 0) << i;
}
@@ -646,23 +646,27 @@ static void fill_ul_rb_mask(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, uint32
}
for (int i = 0; i < gNB->max_nb_pucch; i++){
NR_gNB_PUCCH_t *pucch = &gNB->pucch[i];
if (pucch) {
if ((pucch->active == 1) &&
(pucch->frame == frame_rx) &&
(pucch->slot == slot_rx) ) {
nfapi_nr_pucch_pdu_t *pucch_pdu = &pucch->pucch_pdu;
LOG_D(PHY,"%d.%d pucch %d : start_symbol %d, nb_symbols %d, prb_size %d\n",frame_rx,slot_rx,i,pucch_pdu->start_symbol_index,pucch_pdu->nr_of_symbols,pucch_pdu->prb_size);
for (int symbol=pucch_pdu->start_symbol_index ; symbol<(pucch_pdu->start_symbol_index+pucch_pdu->nr_of_symbols);symbol++) {
if(gNB->frame_parms.frame_type == FDD ||
(gNB->frame_parms.frame_type == TDD && gNB->gNB_config.tdd_table.max_tdd_periodicity_list[slot_rx].max_num_of_symbol_per_slot_list[symbol].slot_config.value==1)) {
for (rb=0; rb<pucch_pdu->prb_size; rb++) {
rb2 = rb + pucch_pdu->bwp_start +
((symbol < pucch_pdu->start_symbol_index+(pucch_pdu->nr_of_symbols>>1)) || (pucch_pdu->freq_hop_flag == 0) ?
pucch_pdu->prb_start : pucch_pdu->second_hop_prb);
rb_mask_ul[symbol][rb2>>5] |= (((uint32_t)1)<<(rb2&31));
}
}
const NR_gNB_PUCCH_t *pucch = gNB->pucch + i;
if (!(pucch && pucch->active && pucch->frame == frame_rx && pucch->slot == slot_rx))
continue;
const nfapi_nr_pucch_pdu_t *pucch_pdu = &pucch->pucch_pdu;
const int start = pucch_pdu->start_symbol_index;
LOG_D(PHY,
"%d.%d pucch %d : start_symbol %d, nb_symbols %d, prb_size %d\n",
frame_rx,
slot_rx,
i,
start,
pucch_pdu->nr_of_symbols,
pucch_pdu->prb_size);
for (int symbol = start; symbol < (start + pucch_pdu->nr_of_symbols); symbol++) {
if (gNB->frame_parms.frame_type == FDD || (gNB->frame_parms.frame_type == TDD && slot_conf[symbol].slot_config.value == 1)) {
for (int rb = 0; rb < pucch_pdu->prb_size; rb++) {
int rb2 =
rb + pucch_pdu->bwp_start
+ ((symbol < start + (pucch_pdu->nr_of_symbols >> 1)) || (pucch_pdu->freq_hop_flag == 0) ? pucch_pdu->prb_start
: pucch_pdu->second_hop_prb);
rb_mask_ul[symbol][rb2 >> 5] |= 1U << (rb2 & 31);
}
}
}
@@ -672,21 +676,16 @@ static void fill_ul_rb_mask(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, uint32
NR_gNB_ULSCH_t *ulsch = &gNB->ulsch[ULSCH_id];
NR_UL_gNB_HARQ_t *ulsch_harq = ulsch->harq_process;
AssertFatal(ulsch_harq != NULL, "harq_pid %d is not allocated\n", ulsch->harq_pid);
if ((ulsch->active == true) && (ulsch->frame == frame_rx) && (ulsch->slot == slot_rx) && (ulsch->handled == 0)) {
uint8_t symbol_start = ulsch_harq->ulsch_pdu.start_symbol_index;
uint8_t symbol_end = symbol_start + ulsch_harq->ulsch_pdu.nr_of_symbols;
for (int symbol = symbol_start; symbol < symbol_end; symbol++) {
if (gNB->frame_parms.frame_type == FDD
|| (gNB->frame_parms.frame_type == TDD
&& gNB->gNB_config.tdd_table.max_tdd_periodicity_list[slot_rx]
.max_num_of_symbol_per_slot_list[symbol]
.slot_config.value
== 1)) {
LOG_D(PHY, "symbol %d Filling rb_mask_ul rb_size %d\n", symbol, ulsch_harq->ulsch_pdu.rb_size);
for (rb = 0; rb < ulsch_harq->ulsch_pdu.rb_size; rb++) {
rb2 = rb + ulsch_harq->ulsch_pdu.rb_start + ulsch_harq->ulsch_pdu.bwp_start;
rb_mask_ul[symbol][rb2 >> 5] |= 1U << (rb2 & 31);
}
if (!(ulsch->active && ulsch->frame == frame_rx && ulsch->slot == slot_rx && !ulsch->handled))
continue;
uint8_t symbol_start = ulsch_harq->ulsch_pdu.start_symbol_index;
uint8_t symbol_end = symbol_start + ulsch_harq->ulsch_pdu.nr_of_symbols;
for (int symbol = symbol_start; symbol < symbol_end; symbol++) {
if (gNB->frame_parms.frame_type == FDD || (gNB->frame_parms.frame_type == TDD && slot_conf[symbol].slot_config.value == 1)) {
LOG_D(PHY, "symbol %d Filling rb_mask_ul rb_size %d\n", symbol, ulsch_harq->ulsch_pdu.rb_size);
for (int rb = 0; rb < ulsch_harq->ulsch_pdu.rb_size; rb++) {
int rb2 = rb + ulsch_harq->ulsch_pdu.rb_start + ulsch_harq->ulsch_pdu.bwp_start;
rb_mask_ul[symbol][rb2 >> 5] |= 1U << (rb2 & 31);
}
}
}
@@ -694,14 +693,12 @@ static void fill_ul_rb_mask(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, uint32
for (int i = 0; i < gNB->max_nb_srs; i++) {
NR_gNB_SRS_t *srs = &gNB->srs[i];
if (srs) {
if ((srs->active == 1) && (srs->frame == frame_rx) && (srs->slot == slot_rx)) {
nfapi_nr_srs_pdu_t *srs_pdu = &srs->srs_pdu;
for(int symbol = 0; symbol < (1 << srs_pdu->num_symbols); symbol++) {
for(rb = srs_pdu->bwp_start; rb < (srs_pdu->bwp_start+srs_pdu->bwp_size); rb++) {
rb_mask_ul[srs_pdu->time_start_position + symbol][rb >> 5] |= 1U << (rb & 31);
}
}
if (!(srs && srs->active && srs->frame == frame_rx && srs->slot == slot_rx))
continue;
nfapi_nr_srs_pdu_t *srs_pdu = &srs->srs_pdu;
for (int symbol = 0; symbol < (1 << srs_pdu->num_symbols); symbol++) {
for (int rb = srs_pdu->bwp_start; rb < (srs_pdu->bwp_start + srs_pdu->bwp_size); rb++) {
rb_mask_ul[srs_pdu->time_start_position + symbol][rb >> 5] |= 1U << (rb & 31);
}
}
}
@@ -728,18 +725,25 @@ int fill_srs_reported_symbol(nfapi_nr_srs_reported_symbol_t *reported_symbol,
return 0;
}
int fill_srs_channel_matrix(uint8_t *channel_matrix,
const nfapi_nr_srs_pdu_t *srs_pdu,
const nr_srs_info_t *nr_srs_info,
const uint8_t normalized_iq_representation,
const uint16_t num_gnb_antenna_elements,
const uint16_t num_ue_srs_ports,
const uint16_t prg_size,
const uint16_t num_prgs,
const NR_DL_FRAME_PARMS *frame_parms,
const c16_t srs_estimated_channel_freq[][1 << srs_pdu->num_ant_ports]
[frame_parms->ofdm_symbol_size * (1 << srs_pdu->num_symbols)])
static int fill_srs_channel_matrix(
nfapi_nr_srs_normalized_channel_iq_matrix_t *nr_srs_channel_iq_matrix,
const nfapi_nr_srs_pdu_t *srs_pdu,
const nr_srs_info_t *nr_srs_info,
const uint8_t normalized_iq_representation,
const uint16_t num_gnb_antenna_elements,
const uint16_t num_ue_srs_ports,
const uint16_t prg_size,
const uint16_t num_prgs,
const NR_DL_FRAME_PARMS *frame_parms,
const c16_t srs_estimated_channel_freq[][1 << srs_pdu->num_ant_ports]
[frame_parms->ofdm_symbol_size * (1 << srs_pdu->num_symbols)])
{
nr_srs_channel_iq_matrix->normalized_iq_representation = normalized_iq_representation;
nr_srs_channel_iq_matrix->num_gnb_antenna_elements = num_gnb_antenna_elements;
nr_srs_channel_iq_matrix->num_ue_srs_ports = num_ue_srs_ports;
nr_srs_channel_iq_matrix->prg_size = prg_size;
nr_srs_channel_iq_matrix->num_prgs = num_prgs;
uint8_t *channel_matrix = nr_srs_channel_iq_matrix->channel_matrix;
const uint64_t subcarrier_offset = frame_parms->first_carrier_offset + srs_pdu->bwp_start*NR_NB_SC_PER_RB;
const uint16_t step = prg_size*NR_NB_SC_PER_RB;
@@ -837,75 +841,73 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, N
int pusch_decode_done = 0;
int pusch_DTX = 0;
const NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms;
const int symb_sz = frame_parms->ofdm_symbol_size;
const int nb_symb = frame_parms->symbols_per_slot;
const int ant = gNB->frame_parms.nb_antennas_rx;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_gNB_UESPEC_RX,1);
LOG_D(PHY,"phy_procedures_gNB_uespec_RX frame %d, slot %d\n",frame_rx,slot_rx);
// Mask of occupied RBs, per symbol and PRB
uint32_t rb_mask_ul[14][9];
fill_ul_rb_mask(gNB, frame_rx, slot_rx, rb_mask_ul);
{
// Mask of occupied RBs, per symbol and PRB
uint32_t rb_mask_ul[14][9];
nfapi_nr_max_num_of_symbol_per_slot_t *slot_conf = NULL;
if (frame_parms->frame_type == TDD)
slot_conf = gNB->gNB_config.tdd_table.max_tdd_periodicity_list[slot_rx].max_num_of_symbol_per_slot_list;
fill_ul_rb_mask(gNB, frame_rx, slot_rx, rb_mask_ul, slot_conf);
int first_symb=0,num_symb=0;
if (gNB->frame_parms.frame_type == TDD)
for(int symbol_count=0; symbol_count<NR_NUMBER_OF_SYMBOLS_PER_SLOT; symbol_count++) {
if (gNB->gNB_config.tdd_table.max_tdd_periodicity_list[slot_rx].max_num_of_symbol_per_slot_list[symbol_count].slot_config.value==1) {
if (num_symb==0) first_symb=symbol_count;
num_symb++;
int first_symb = 0, num_symb = 0;
if (frame_parms->frame_type == TDD)
for (int symbol_count = 0; symbol_count < NR_NUMBER_OF_SYMBOLS_PER_SLOT; symbol_count++) {
if (slot_conf[symbol_count].slot_config.value == 1) {
if (num_symb == 0)
first_symb = symbol_count;
num_symb++;
}
}
}
else
num_symb = NR_NUMBER_OF_SYMBOLS_PER_SLOT;
gNB_I0_measurements(gNB, slot_rx, first_symb, num_symb, rb_mask_ul);
else
num_symb = NR_NUMBER_OF_SYMBOLS_PER_SLOT;
gNB_I0_measurements(gNB, slot_rx, first_symb, num_symb, rb_mask_ul);
}
const int soffset = (slot_rx & 3) * gNB->frame_parms.symbols_per_slot * gNB->frame_parms.ofdm_symbol_size;
const int soffset = (slot_rx & 3) * nb_symb * symb_sz;
start_meas(&gNB->phy_proc_rx);
for (int i = 0; i < gNB->max_nb_pucch; i++) {
NR_gNB_PUCCH_t *pucch = &gNB->pucch[i];
if (pucch) {
if (pucch->active && (pucch->frame == frame_rx) && (pucch->slot == slot_rx)) {
c16_t **rxdataF = gNB->common_vars.rxdataF[pucch->beam_nb];
pucch_decode_done = 1;
nfapi_nr_pucch_pdu_t *pucch_pdu = &pucch->pucch_pdu;
UL_INFO->uci_ind.uci_list = UL_INFO->uci_pdu_list;
nfapi_nr_uci_t *uci = UL_INFO->uci_ind.uci_list + UL_INFO->uci_ind.num_ucis;
switch (pucch_pdu->format_type) {
case 0:
UL_INFO->uci_ind.sfn = frame_rx;
UL_INFO->uci_ind.slot = slot_rx;
uci->pdu_type = NFAPI_NR_UCI_FORMAT_0_1_PDU_TYPE;
uci->pdu_size = sizeof(nfapi_nr_uci_pucch_pdu_format_0_1_t);
nfapi_nr_uci_pucch_pdu_format_0_1_t *uci_pdu_format0 = &uci->pucch_pdu_format_0_1;
int offset = pucch_pdu->start_symbol_index * gNB->frame_parms.ofdm_symbol_size
+ (gNB->frame_parms.first_carrier_offset + pucch_pdu->prb_start * 12);
LOG_D(NR_PHY,
"frame %d, slot %d: PUCCH signal energy %d\n",
frame_rx,
slot_rx,
signal_energy_nodc(&rxdataF[0][soffset + offset], 12));
nr_decode_pucch0(gNB, rxdataF, frame_rx, slot_rx, uci_pdu_format0, pucch_pdu);
UL_INFO->uci_ind.num_ucis += 1;
pucch->active = false;
break;
case 2:
UL_INFO->uci_ind.sfn = frame_rx;
UL_INFO->uci_ind.slot = slot_rx;
uci->pdu_type = NFAPI_NR_UCI_FORMAT_2_3_4_PDU_TYPE;
uci->pdu_size = sizeof(nfapi_nr_uci_pucch_pdu_format_2_3_4_t);
nfapi_nr_uci_pucch_pdu_format_2_3_4_t *uci_pdu_format2 = &uci->pucch_pdu_format_2_3_4;
LOG_D(PHY, "%d.%d Calling nr_decode_pucch2\n", frame_rx, slot_rx);
nr_decode_pucch2(gNB, rxdataF, frame_rx, slot_rx, uci_pdu_format2, pucch_pdu);
UL_INFO->uci_ind.num_ucis += 1;
pucch->active = false;
break;
default:
AssertFatal(1 == 0, "Only PUCCH formats 0 and 2 are currently supported\n");
}
}
if (!(pucch && pucch->active && pucch->frame == frame_rx && pucch->slot == slot_rx))
continue;
c16_t **rxdataF = gNB->common_vars.rxdataF[pucch->beam_nb];
pucch_decode_done = 1;
nfapi_nr_pucch_pdu_t *pucch_pdu = &pucch->pucch_pdu;
UL_INFO->uci_ind.uci_list = UL_INFO->uci_pdu_list;
nfapi_nr_uci_t *uci = UL_INFO->uci_ind.uci_list + UL_INFO->uci_ind.num_ucis;
UL_INFO->uci_ind.sfn = frame_rx;
UL_INFO->uci_ind.slot = slot_rx;
switch (pucch_pdu->format_type) {
case 0:
uci->pdu_type = NFAPI_NR_UCI_FORMAT_0_1_PDU_TYPE;
uci->pdu_size = sizeof(nfapi_nr_uci_pucch_pdu_format_0_1_t);
nfapi_nr_uci_pucch_pdu_format_0_1_t *uci_pdu_format0 = &uci->pucch_pdu_format_0_1;
int offset = pucch_pdu->start_symbol_index * symb_sz + (frame_parms->first_carrier_offset + pucch_pdu->prb_start * 12);
LOG_D(NR_PHY,
"frame %d, slot %d: PUCCH signal energy %d\n",
frame_rx,
slot_rx,
signal_energy_nodc(&rxdataF[0][soffset + offset], 12));
nr_decode_pucch0(gNB, rxdataF, frame_rx, slot_rx, uci_pdu_format0, pucch_pdu);
break;
case 2:
uci->pdu_type = NFAPI_NR_UCI_FORMAT_2_3_4_PDU_TYPE;
uci->pdu_size = sizeof(nfapi_nr_uci_pucch_pdu_format_2_3_4_t);
nfapi_nr_uci_pucch_pdu_format_2_3_4_t *uci_pdu_format2 = &uci->pucch_pdu_format_2_3_4;
LOG_D(PHY, "%d.%d Calling nr_decode_pucch2\n", frame_rx, slot_rx);
nr_decode_pucch2(gNB, rxdataF, frame_rx, slot_rx, uci_pdu_format2, pucch_pdu);
break;
default:
AssertFatal(1 == 0, "Only PUCCH formats 0 and 2 are currently supported\n");
}
UL_INFO->uci_ind.num_ucis += 1;
pucch->active = false;
}
UL_INFO->crc_ind.sfn = frame_rx;
@@ -915,104 +917,103 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, N
UL_INFO->rx_ind.slot = slot_rx;
UL_INFO->rx_ind.pdu_list = UL_INFO->rx_pdu_list;
bool ulsch_to_decode[gNB->max_nb_pusch];
bzero((void *)ulsch_to_decode, sizeof(ulsch_to_decode));
bzero(ulsch_to_decode, sizeof(ulsch_to_decode));
for (int ULSCH_id = 0; ULSCH_id < gNB->max_nb_pusch; ULSCH_id++) {
NR_gNB_ULSCH_t *ulsch = &gNB->ulsch[ULSCH_id];
NR_UL_gNB_HARQ_t *ulsch_harq = ulsch->harq_process;
AssertFatal(ulsch_harq != NULL, "harq_pid %d is not allocated\n", ulsch->harq_pid);
if ((ulsch->active == true) && (ulsch->frame == frame_rx) && (ulsch->slot == slot_rx) && (ulsch->handled == 0)) {
LOG_D(PHY, "PUSCH ID %d with RNTI %x detection started in frame %d slot %d\n", ULSCH_id, ulsch->rnti, frame_rx, slot_rx);
nfapi_nr_pusch_pdu_t *pdu = &ulsch_harq->ulsch_pdu;
int num_dmrs = count_bits64_with_mask(pdu->ul_dmrs_symb_pos, 0, NR_NUMBER_OF_SYMBOLS_PER_SLOT);
if (!(ulsch->active && ulsch->frame == frame_rx && ulsch->slot == slot_rx && !ulsch->handled))
continue;
LOG_D(PHY, "PUSCH ID %d with RNTI %x detection started in frame %d slot %d\n", ULSCH_id, ulsch->rnti, frame_rx, slot_rx);
nfapi_nr_pusch_pdu_t *pdu = &ulsch_harq->ulsch_pdu;
int num_dmrs = count_bits64_with_mask(pdu->ul_dmrs_symb_pos, 0, NR_NUMBER_OF_SYMBOLS_PER_SLOT);
#ifdef DEBUG_RXDATA
NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms;
RU_t *ru = gNB->RU_list[0];
int slot_offset = frame_parms->get_samples_slot_timestamp(slot_rx, frame_parms, 0);
slot_offset -= ru->N_TA_offset;
int32_t sample_offset = gNB->common_vars.debugBuff_sample_offset;
int16_t *buf = (int16_t *)&gNB->common_vars.debugBuff[offset];
buf[0] = (int16_t)ulsch->rnti;
buf[1] = (int16_t)pdu->rb_size;
buf[2] = (int16_t)pdu->rb_start;
buf[3] = (int16_t)pdu->nr_of_symbols;
buf[4] = (int16_t)pdu->start_symbol_index;
buf[5] = (int16_t)pdu->mcs_index;
buf[6] = (int16_t)pdu->pusch_data.rv_index;
buf[7] = (int16_t)ulsch->harq_pid;
memcpy(&gNB->common_vars.debugBuff[gNB->common_vars.debugBuff_sample_offset + 4],
&ru->common.rxdata[0][slot_offset],
frame_parms->get_samples_per_slot(slot_rx, frame_parms) * sizeof(int32_t));
gNB->common_vars.debugBuff_sample_offset += (frame_parms->get_samples_per_slot(slot_rx, frame_parms) + 1000 + 4);
if (gNB->common_vars.debugBuff_sample_offset > ((frame_parms->get_samples_per_slot(slot_rx, frame_parms) + 1000 + 2) * 20)) {
FILE *f;
f = fopen("rxdata_buff.raw", "w");
if (f == NULL)
exit(1);
fwrite((int16_t *)gNB->common_vars.debugBuff,
2,
(frame_parms->get_samples_per_slot(slot_rx, frame_parms) + 1000 + 4) * 20 * 2,
f);
fclose(f);
exit(-1);
}
RU_t *ru = gNB->RU_list[0];
int slot_offset = frame_parms->get_samples_slot_timestamp(slot_rx, frame_parms, 0);
slot_offset -= ru->N_TA_offset;
int32_t sample_offset = gNB->common_vars.debugBuff_sample_offset;
int16_t buf = (int16_t *)&gNB->common_vars.debugBuff[offset];
buf[0] = (int16_t)ulsch->rnti;
buf[1] = (int16_t)pdu->rb_size;
buf[2] = (int16_t)pdu->rb_start;
buf[3] = (int16_t)pdu->nr_of_symbols;
buf[4] = (int16_t)pdu->start_symbol_index;
buf[5] = (int16_t)pdu->mcs_index;
buf[6] = (int16_t)pdu->pusch_data.rv_index;
buf[7] = (int16_t)ulsch->harq_pid;
memcpy(&gNB->common_vars.debugBuff[gNB->common_vars.debugBuff_sample_offset + 4],
&ru->common.rxdata[0][slot_offset],
frame_parms->get_samples_per_slot(slot_rx, frame_parms) * sizeof(int32_t));
gNB->common_vars.debugBuff_sample_offset += (frame_parms->get_samples_per_slot(slot_rx, frame_parms) + 1000 + 4);
if (gNB->common_vars.debugBuff_sample_offset > ((frame_parms->get_samples_per_slot(slot_rx, frame_parms) + 1000 + 2) * 20)) {
FILE *f;
f = fopen("rxdata_buff.raw", "w");
if (f == NULL)
exit(1);
fwrite((int16_t *)gNB->common_vars.debugBuff,
2,
(frame_parms->get_samples_per_slot(slot_rx, frame_parms) + 1000 + 4) * 20 * 2,
f);
fclose(f);
exit(-1);
}
#endif
pusch_decode_done = 1;
pusch_decode_done = 1;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_RX_PUSCH, 1);
start_meas(&gNB->rx_pusch_stats);
nr_rx_pusch_tp(gNB, ULSCH_id, frame_rx, slot_rx, ulsch->harq_pid, ulsch->beam_nb);
NR_gNB_PUSCH *pusch_vars = &gNB->pusch_vars[ULSCH_id];
pusch_vars->ulsch_power_tot = 0;
pusch_vars->ulsch_noise_power_tot = 0;
for (int aarx = 0; aarx < gNB->frame_parms.nb_antennas_rx; aarx++) {
pusch_vars->ulsch_power[aarx] /= num_dmrs;
pusch_vars->ulsch_power_tot += pusch_vars->ulsch_power[aarx];
pusch_vars->ulsch_noise_power[aarx] /= num_dmrs;
pusch_vars->ulsch_noise_power_tot += pusch_vars->ulsch_noise_power[aarx];
}
if (dB_fixed_x10(pusch_vars->ulsch_power_tot) < dB_fixed_x10(pusch_vars->ulsch_noise_power_tot) + gNB->pusch_thres) {
NR_gNB_PHY_STATS_t *stats = get_phy_stats(gNB, ulsch->rnti);
LOG_D(PHY,
"PUSCH not detected in %d.%d (%d,%d,%d)\n",
frame_rx,
slot_rx,
dB_fixed_x10(pusch_vars->ulsch_power_tot),
dB_fixed_x10(pusch_vars->ulsch_noise_power_tot),
gNB->pusch_thres);
pusch_vars->ulsch_power_tot = pusch_vars->ulsch_noise_power_tot;
pusch_vars->DTX = 1;
if (stats)
stats->ulsch_stats.DTX++;
if (!get_softmodem_params()->phy_test) {
/* in case of phy_test mode, we still want to decode to measure execution time.
Therefore, we don't yet call nr_fill_indication, it will be called later */
nfapi_nr_crc_t *crc = &UL_INFO->crc_ind.crc_list[UL_INFO->crc_ind.number_crcs++];
nfapi_nr_rx_data_pdu_t *pdu = &UL_INFO->rx_ind.pdu_list[UL_INFO->rx_ind.number_of_pdus++];
nr_fill_indication(gNB, frame_rx, slot_rx, ULSCH_id, ulsch->harq_pid, 1, 1, crc, pdu);
pusch_DTX++;
gNBdumpScopeData(gNB, ulsch->slot, ulsch->frame, "ULSCH_DTX");
continue;
}
} else {
LOG_D(PHY,
"PUSCH detected in %d.%d (%d,%d,%d)\n",
frame_rx,
slot_rx,
dB_fixed_x10(pusch_vars->ulsch_power_tot),
dB_fixed_x10(pusch_vars->ulsch_noise_power_tot),
gNB->pusch_thres);
pusch_vars->DTX = 0;
}
ulsch_to_decode[ULSCH_id] = true;
stop_meas(&gNB->rx_pusch_stats);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_RX_PUSCH, 0);
// LOG_M("rxdataF_comp.m","rxF_comp",gNB->pusch_vars[0]->rxdataF_comp[0],6900,1,1);
// LOG_M("rxdataF_ext.m","rxF_ext",gNB->pusch_vars[0]->rxdataF_ext[0],6900,1,1);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_RX_PUSCH, 1);
start_meas(&gNB->rx_pusch_stats);
nr_rx_pusch_tp(gNB, ULSCH_id, frame_rx, slot_rx, ulsch->harq_pid, ulsch->beam_nb);
NR_gNB_PUSCH *pusch_vars = &gNB->pusch_vars[ULSCH_id];
pusch_vars->ulsch_power_tot = 0;
pusch_vars->ulsch_noise_power_tot = 0;
for (int aarx = 0; aarx < ant; aarx++) {
pusch_vars->ulsch_power[aarx] /= num_dmrs;
pusch_vars->ulsch_power_tot += pusch_vars->ulsch_power[aarx];
pusch_vars->ulsch_noise_power[aarx] /= num_dmrs;
pusch_vars->ulsch_noise_power_tot += pusch_vars->ulsch_noise_power[aarx];
}
if (dB_fixed_x10(pusch_vars->ulsch_power_tot) < dB_fixed_x10(pusch_vars->ulsch_noise_power_tot) + gNB->pusch_thres) {
NR_gNB_PHY_STATS_t *stats = get_phy_stats(gNB, ulsch->rnti);
LOG_D(PHY,
"PUSCH not detected in %d.%d (%d,%d,%d)\n",
frame_rx,
slot_rx,
dB_fixed_x10(pusch_vars->ulsch_power_tot),
dB_fixed_x10(pusch_vars->ulsch_noise_power_tot),
gNB->pusch_thres);
pusch_vars->ulsch_power_tot = pusch_vars->ulsch_noise_power_tot;
pusch_vars->DTX = 1;
if (stats)
stats->ulsch_stats.DTX++;
if (!get_softmodem_params()->phy_test) {
/* in case of phy_test mode, we still want to decode to measure execution time.
Therefore, we don't yet call nr_fill_indication, it will be called later */
nfapi_nr_crc_t *crc = &UL_INFO->crc_ind.crc_list[UL_INFO->crc_ind.number_crcs++];
nfapi_nr_rx_data_pdu_t *pdu = &UL_INFO->rx_ind.pdu_list[UL_INFO->rx_ind.number_of_pdus++];
nr_fill_indication(gNB, frame_rx, slot_rx, ULSCH_id, ulsch->harq_pid, 1, 1, crc, pdu);
pusch_DTX++;
gNBdumpScopeData(gNB, ulsch->slot, ulsch->frame, "ULSCH_DTX");
continue;
}
} else {
LOG_D(PHY,
"PUSCH detected in %d.%d (%d,%d,%d)\n",
frame_rx,
slot_rx,
dB_fixed_x10(pusch_vars->ulsch_power_tot),
dB_fixed_x10(pusch_vars->ulsch_noise_power_tot),
gNB->pusch_thres);
pusch_vars->DTX = 0;
}
ulsch_to_decode[ULSCH_id] = true;
stop_meas(&gNB->rx_pusch_stats);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_RX_PUSCH, 0);
// LOG_M("rxdataF_comp.m","rxF_comp",gNB->pusch_vars[0]->rxdataF_comp[0],6900,1,1);
// LOG_M("rxdataF_ext.m","rxF_ext",gNB->pusch_vars[0]->rxdataF_ext[0],6900,1,1);
}
/* Do ULSCH decoding time measurement only when number of PUSCH is limited to 1
@@ -1033,249 +1034,259 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, N
* measurement per processed TB.*/
if (gNB->max_nb_pusch == 1)
stop_meas(&gNB->ulsch_decoding_stats);
for (int i = 0; i < gNB->max_nb_srs; i++) {
NR_gNB_SRS_t *srs = &gNB->srs[i];
if (srs) {
if ((srs->active == true) && (srs->frame == frame_rx) && (srs->slot == slot_rx)) {
LOG_D(NR_PHY, "(%d.%d) gNB is waiting for SRS, id = %i\n", frame_rx, slot_rx, i);
if (!(srs && srs->active && srs->frame == frame_rx && srs->slot == slot_rx))
continue;
LOG_D(NR_PHY, "(%d.%d) gNB is waiting for SRS, id = %i\n", frame_rx, slot_rx, i);
start_meas(&gNB->rx_srs_stats);
start_meas(&gNB->rx_srs_stats);
NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms;
nfapi_nr_srs_pdu_t *srs_pdu = &srs->srs_pdu;
uint8_t N_symb_SRS = 1 << srs_pdu->num_symbols;
c16_t srs_received_signal[frame_parms->nb_antennas_rx][frame_parms->ofdm_symbol_size * N_symb_SRS];
c16_t srs_received_noise[frame_parms->nb_antennas_rx][frame_parms->ofdm_symbol_size * N_symb_SRS];
c16_t srs_estimated_channel_freq[frame_parms->nb_antennas_rx][1 << srs_pdu->num_ant_ports]
[frame_parms->ofdm_symbol_size * N_symb_SRS] __attribute__((aligned(32)));
c16_t srs_estimated_channel_time[frame_parms->nb_antennas_rx][1 << srs_pdu->num_ant_ports][frame_parms->ofdm_symbol_size]
__attribute__((aligned(32)));
c16_t srs_estimated_channel_time_shifted[frame_parms->nb_antennas_rx][1 << srs_pdu->num_ant_ports]
[frame_parms->ofdm_symbol_size];
int16_t snr_per_rb[srs_pdu->bwp_size];
nfapi_nr_srs_pdu_t *srs_pdu = &srs->srs_pdu;
uint8_t N_symb_SRS = 1 << srs_pdu->num_symbols;
c16_t srs_received_signal[ant][symb_sz * N_symb_SRS];
c16_t srs_received_noise[ant][symb_sz * N_symb_SRS];
c16_t srs_estimated_channel_freq[ant][1 << srs_pdu->num_ant_ports][symb_sz * N_symb_SRS] __attribute__((aligned(32)));
c16_t srs_estimated_channel_time[ant][1 << srs_pdu->num_ant_ports][symb_sz] __attribute__((aligned(32)));
c16_t srs_estimated_channel_time_shifted[ant][1 << srs_pdu->num_ant_ports][symb_sz];
int16_t snr_per_rb[srs_pdu->bwp_size];
start_meas(&gNB->generate_srs_stats);
start_meas(&gNB->generate_srs_stats);
if (check_and_configure_srs_info(srs_pdu, gNB->nr_srs_info[i])) {
generate_srs_nr(frame_parms,
gNB->nr_srs_info[i]->srs_generated_signal,
0,
srs_pdu->bwp_start,
gNB->nr_srs_info[i],
AMP,
frame_rx,
slot_rx);
}
stop_meas(&gNB->generate_srs_stats);
c16_t **rxdataF = gNB->common_vars.rxdataF[srs->beam_nb];
start_meas(&gNB->get_srs_signal_stats);
int srs_est = nr_get_srs_signal(gNB, rxdataF, frame_rx, slot_rx, srs_pdu, gNB->nr_srs_info[i], srs_received_signal, srs_received_noise);
stop_meas(&gNB->get_srs_signal_stats);
if (srs_est >= 0) {
start_meas(&gNB->srs_channel_estimation_stats);
nr_srs_channel_estimation(gNB,
frame_rx,
slot_rx,
srs_pdu,
gNB->nr_srs_info[i],
(const c16_t**)gNB->nr_srs_info[i]->srs_generated_signal,
srs_received_signal,
srs_received_noise,
srs_estimated_channel_freq,
srs_estimated_channel_time,
srs_estimated_channel_time_shifted,
snr_per_rb,
&gNB->srs->snr);
stop_meas(&gNB->srs_channel_estimation_stats);
}
if ((gNB->srs->snr * 10) < gNB->srs_thres) {
srs_est = -1;
}
T(T_GNB_PHY_UL_FREQ_CHANNEL_ESTIMATE,
T_INT(0),
T_INT(srs_pdu->rnti),
T_INT(frame_rx),
T_INT(0),
T_INT(0),
T_BUFFER(srs_estimated_channel_freq[0][0], frame_parms->ofdm_symbol_size * sizeof(int32_t)));
T(T_GNB_PHY_UL_TIME_CHANNEL_ESTIMATE,
T_INT(0),
T_INT(srs_pdu->rnti),
T_INT(frame_rx),
T_INT(0),
T_INT(0),
T_BUFFER(srs_estimated_channel_time_shifted[0][0], frame_parms->ofdm_symbol_size * sizeof(int32_t)));
T(T_GNB_PHY_UL_SNR_ESTIMATE,
T_INT(0),
T_INT(srs_pdu->rnti),
T_INT(frame_rx),
T_INT(0),
T_INT(0),
T_BUFFER(snr_per_rb, srs_pdu->bwp_size * sizeof(int16_t)));
UL_INFO->srs_ind.sfn = frame_rx;
UL_INFO->srs_ind.slot = slot_rx;
// data model difficult to understand, nfapi do malloc for this pointer
UL_INFO->srs_ind.pdu_list = UL_INFO->srs_pdu_list;
nfapi_nr_srs_indication_pdu_t *srs_indication = UL_INFO->srs_pdu_list + UL_INFO->srs_ind.number_of_pdus++;
srs_indication->handle = srs_pdu->handle;
srs_indication->rnti = srs_pdu->rnti;
start_meas(&gNB->srs_timing_advance_stats);
srs_indication->timing_advance_offset = srs_est >= 0 ? nr_est_timing_advance_srs(frame_parms, srs_estimated_channel_time[0]) : 0xFFFF;
stop_meas(&gNB->srs_timing_advance_stats);
srs_indication->timing_advance_offset_nsec = srs_est >= 0 ? (int16_t)((((int32_t)srs_indication->timing_advance_offset - 31) * ((int32_t)TC_NSEC_x32768)) >> 15) : 0xFFFF;
switch (srs_pdu->srs_parameters_v4.usage) {
case 0:
LOG_W(NR_PHY, "SRS report was not requested by MAC\n");
return 0;
case 1 << NFAPI_NR_SRS_BEAMMANAGEMENT:
srs_indication->srs_usage = NFAPI_NR_SRS_BEAMMANAGEMENT;
break;
case 1 << NFAPI_NR_SRS_CODEBOOK:
srs_indication->srs_usage = NFAPI_NR_SRS_CODEBOOK;
break;
case 1 << NFAPI_NR_SRS_NONCODEBOOK:
srs_indication->srs_usage = NFAPI_NR_SRS_NONCODEBOOK;
break;
case 1 << NFAPI_NR_SRS_ANTENNASWITCH:
srs_indication->srs_usage = NFAPI_NR_SRS_ANTENNASWITCH;
break;
default:
LOG_E(NR_PHY, "Invalid srs_pdu->srs_parameters_v4.usage %i\n", srs_pdu->srs_parameters_v4.usage);
}
srs_indication->report_type = srs_pdu->srs_parameters_v4.report_type[0];
#ifdef SRS_IND_DEBUG
LOG_I(NR_PHY, "UL_INFO->srs_ind.sfn = %i\n", UL_INFO->srs_ind.sfn);
LOG_I(NR_PHY, "UL_INFO->srs_ind.slot = %i\n", UL_INFO->srs_ind.slot);
LOG_I(NR_PHY, "srs_indication->rnti = %04x\n", srs_indication->rnti);
LOG_I(NR_PHY, "srs_indication->timing_advance = %i\n", srs_indication->timing_advance_offset);
LOG_I(NR_PHY, "srs_indication->timing_advance_offset_nsec = %i\n", srs_indication->timing_advance_offset_nsec);
LOG_I(NR_PHY, "srs_indication->srs_usage = %i\n", srs_indication->srs_usage);
LOG_I(NR_PHY, "srs_indication->report_type = %i\n", srs_indication->report_type);
#endif
nfapi_srs_report_tlv_t *report_tlv = &srs_indication->report_tlv;
report_tlv->tag = 0;
report_tlv->length = 0;
start_meas(&gNB->srs_report_tlv_stats);
switch (srs_indication->srs_usage) {
case NFAPI_NR_SRS_BEAMMANAGEMENT: {
start_meas(&gNB->srs_beam_report_stats);
nfapi_nr_srs_beamforming_report_t nr_srs_bf_report;
nr_srs_bf_report.prg_size = srs_pdu->beamforming.prg_size;
nr_srs_bf_report.num_symbols = 1 << srs_pdu->num_symbols;
nr_srs_bf_report.wide_band_snr = srs_est >= 0 ? (gNB->srs->snr + 64) << 1 : 0xFF; // 0xFF will be set if this field is invalid
nr_srs_bf_report.num_reported_symbols = 1 << srs_pdu->num_symbols;
AssertFatal(nr_srs_bf_report.num_reported_symbols == 1,
"nr_srs_bf_report.num_reported_symbols %i not handled yet!\n",
nr_srs_bf_report.num_reported_symbols);
fill_srs_reported_symbol(&nr_srs_bf_report.reported_symbol_list[0], srs_pdu, frame_parms->N_RB_UL, snr_per_rb, srs_est);
#ifdef SRS_IND_DEBUG
LOG_I(NR_PHY, "nr_srs_bf_report.prg_size = %i\n", nr_srs_bf_report.prg_size);
LOG_I(NR_PHY, "nr_srs_bf_report.num_symbols = %i\n", nr_srs_bf_report.num_symbols);
LOG_I(NR_PHY, "nr_srs_bf_report.wide_band_snr = %i (%i dB)\n", nr_srs_bf_report.wide_band_snr, (nr_srs_bf_report.wide_band_snr >> 1) - 64);
LOG_I(NR_PHY, "nr_srs_bf_report.num_reported_symbols = %i\n", nr_srs_bf_report.num_reported_symbols);
LOG_I(NR_PHY, "nr_srs_bf_report.reported_symbol_list[0].num_prgs = %i\n", nr_srs_bf_report.reported_symbol_list[0].num_prgs);
for (int prg_idx = 0; prg_idx < nr_srs_bf_report.reported_symbol_list[0].num_prgs; prg_idx++) {
LOG_I(NR_PHY,
"nr_srs_beamforming_report.reported_symbol_list[0].prg_list[%3i].rb_snr = %i (%i dB)\n",
prg_idx,
nr_srs_bf_report.reported_symbol_list[0].prg_list[prg_idx].rb_snr,
(nr_srs_bf_report.reported_symbol_list[0].prg_list[prg_idx].rb_snr >> 1) - 64);
}
#endif
report_tlv->length = pack_nr_srs_beamforming_report(&nr_srs_bf_report, report_tlv->value, sizeof(report_tlv->value));
stop_meas(&gNB->srs_beam_report_stats);
break;
}
case NFAPI_NR_SRS_CODEBOOK: {
start_meas(&gNB->srs_iq_matrix_stats);
nfapi_nr_srs_normalized_channel_iq_matrix_t nr_srs_channel_iq_matrix;
nr_srs_channel_iq_matrix.normalized_iq_representation = srs_pdu->srs_parameters_v4.iq_representation;
nr_srs_channel_iq_matrix.num_gnb_antenna_elements = gNB->frame_parms.nb_antennas_rx;
nr_srs_channel_iq_matrix.num_ue_srs_ports = srs_pdu->srs_parameters_v4.num_total_ue_antennas;
nr_srs_channel_iq_matrix.prg_size = srs_pdu->srs_parameters_v4.prg_size;
nr_srs_channel_iq_matrix.num_prgs = srs_pdu->srs_parameters_v4.srs_bandwidth_size / srs_pdu->srs_parameters_v4.prg_size;
fill_srs_channel_matrix(nr_srs_channel_iq_matrix.channel_matrix,
srs_pdu,
gNB->nr_srs_info[i],
nr_srs_channel_iq_matrix.normalized_iq_representation,
nr_srs_channel_iq_matrix.num_gnb_antenna_elements,
nr_srs_channel_iq_matrix.num_ue_srs_ports,
nr_srs_channel_iq_matrix.prg_size,
nr_srs_channel_iq_matrix.num_prgs,
&gNB->frame_parms,
srs_estimated_channel_freq);
#ifdef SRS_IND_DEBUG
LOG_I(NR_PHY, "nr_srs_channel_iq_matrix.normalized_iq_representation = %i\n", nr_srs_channel_iq_matrix.normalized_iq_representation);
LOG_I(NR_PHY, "nr_srs_channel_iq_matrix.num_gnb_antenna_elements = %i\n", nr_srs_channel_iq_matrix.num_gnb_antenna_elements);
LOG_I(NR_PHY, "nr_srs_channel_iq_matrix.num_ue_srs_ports = %i\n", nr_srs_channel_iq_matrix.num_ue_srs_ports);
LOG_I(NR_PHY, "nr_srs_channel_iq_matrix.prg_size = %i\n", nr_srs_channel_iq_matrix.prg_size);
LOG_I(NR_PHY, "nr_srs_channel_iq_matrix.num_prgs = %i\n", nr_srs_channel_iq_matrix.num_prgs);
c16_t *channel_matrix16 = (c16_t *)nr_srs_channel_iq_matrix.channel_matrix;
c8_t *channel_matrix8 = (c8_t *)nr_srs_channel_iq_matrix.channel_matrix;
for (int uI = 0; uI < nr_srs_channel_iq_matrix.num_ue_srs_ports; uI++) {
for (int gI = 0; gI < nr_srs_channel_iq_matrix.num_gnb_antenna_elements; gI++) {
for (int pI = 0; pI < nr_srs_channel_iq_matrix.num_prgs; pI++) {
uint16_t index =
uI * nr_srs_channel_iq_matrix.num_gnb_antenna_elements * nr_srs_channel_iq_matrix.num_prgs + gI * nr_srs_channel_iq_matrix.num_prgs + pI;
LOG_I(NR_PHY,
"(uI %i, gI %i, pI %i) channel_matrix --> real %i, imag %i\n",
uI,
gI,
pI,
nr_srs_channel_iq_matrix.normalized_iq_representation == 0 ? channel_matrix8[index].r : channel_matrix16[index].r,
nr_srs_channel_iq_matrix.normalized_iq_representation == 0 ? channel_matrix8[index].i : channel_matrix16[index].i);
}
}
}
#endif
report_tlv->length = pack_nr_srs_normalized_channel_iq_matrix(&nr_srs_channel_iq_matrix, report_tlv->value, sizeof(report_tlv->value));
stop_meas(&gNB->srs_iq_matrix_stats);
break;
}
case NFAPI_NR_SRS_NONCODEBOOK:
case NFAPI_NR_SRS_ANTENNASWITCH:
LOG_W(NR_PHY, "PHY procedures for this SRS usage are not implemented yet!\n");
break;
default:
AssertFatal(1 == 0, "Invalid SRS usage\n");
}
stop_meas(&gNB->srs_report_tlv_stats);
#ifdef SRS_IND_DEBUG
LOG_I(NR_PHY, "report_tlv->tag = %i\n", report_tlv->tag);
LOG_I(NR_PHY, "report_tlv->length = %i\n", report_tlv->length);
char *value = (char *)report_tlv->value;
for (int b = 0; b < report_tlv->length; b++) {
LOG_I(NR_PHY, "value[%i] = 0x%02x\n", b, value[b] & 0xFF);
}
#endif
srs->active = false;
stop_meas(&gNB->rx_srs_stats);
}
if (check_and_configure_srs_info(srs_pdu, gNB->nr_srs_info[i])) {
generate_srs_nr(frame_parms,
gNB->nr_srs_info[i]->srs_generated_signal,
0,
srs_pdu->bwp_start,
gNB->nr_srs_info[i],
AMP,
frame_rx,
slot_rx);
}
stop_meas(&gNB->generate_srs_stats);
c16_t **rxdataF = gNB->common_vars.rxdataF[srs->beam_nb];
start_meas(&gNB->get_srs_signal_stats);
int srs_est =
nr_get_srs_signal(gNB, rxdataF, frame_rx, slot_rx, srs_pdu, gNB->nr_srs_info[i], srs_received_signal, srs_received_noise);
stop_meas(&gNB->get_srs_signal_stats);
if (srs_est >= 0) {
start_meas(&gNB->srs_channel_estimation_stats);
nr_srs_channel_estimation(gNB,
frame_rx,
slot_rx,
srs_pdu,
gNB->nr_srs_info[i],
(const c16_t **)gNB->nr_srs_info[i]->srs_generated_signal,
srs_received_signal,
srs_received_noise,
srs_estimated_channel_freq,
srs_estimated_channel_time,
srs_estimated_channel_time_shifted,
snr_per_rb,
&gNB->srs->snr);
stop_meas(&gNB->srs_channel_estimation_stats);
}
if ((gNB->srs->snr * 10) < gNB->srs_thres) {
srs_est = -1;
}
T(T_GNB_PHY_UL_FREQ_CHANNEL_ESTIMATE,
T_INT(0),
T_INT(srs_pdu->rnti),
T_INT(frame_rx),
T_INT(0),
T_INT(0),
T_BUFFER(srs_estimated_channel_freq[0][0], symb_sz * sizeof(int32_t)));
T(T_GNB_PHY_UL_TIME_CHANNEL_ESTIMATE,
T_INT(0),
T_INT(srs_pdu->rnti),
T_INT(frame_rx),
T_INT(0),
T_INT(0),
T_BUFFER(srs_estimated_channel_time_shifted[0][0], symb_sz * sizeof(int32_t)));
T(T_GNB_PHY_UL_SNR_ESTIMATE,
T_INT(0),
T_INT(srs_pdu->rnti),
T_INT(frame_rx),
T_INT(0),
T_INT(0),
T_BUFFER(snr_per_rb, srs_pdu->bwp_size * sizeof(int16_t)));
UL_INFO->srs_ind.sfn = frame_rx;
UL_INFO->srs_ind.slot = slot_rx;
// data model difficult to understand, nfapi do malloc for this pointer
UL_INFO->srs_ind.pdu_list = UL_INFO->srs_pdu_list;
nfapi_nr_srs_indication_pdu_t *srs_indication = UL_INFO->srs_pdu_list + UL_INFO->srs_ind.number_of_pdus++;
srs_indication->handle = srs_pdu->handle;
srs_indication->rnti = srs_pdu->rnti;
start_meas(&gNB->srs_timing_advance_stats);
srs_indication->timing_advance_offset =
srs_est >= 0 ? nr_est_timing_advance_srs(frame_parms, srs_estimated_channel_time[0]) : 0xFFFF;
stop_meas(&gNB->srs_timing_advance_stats);
srs_indication->timing_advance_offset_nsec =
srs_est >= 0 ? (int16_t)((((int32_t)srs_indication->timing_advance_offset - 31) * ((int32_t)TC_NSEC_x32768)) >> 15)
: 0xFFFF;
switch (srs_pdu->srs_parameters_v4.usage) {
case 0:
LOG_W(NR_PHY, "SRS report was not requested by MAC\n");
return 0;
case 1 << NFAPI_NR_SRS_BEAMMANAGEMENT:
srs_indication->srs_usage = NFAPI_NR_SRS_BEAMMANAGEMENT;
break;
case 1 << NFAPI_NR_SRS_CODEBOOK:
srs_indication->srs_usage = NFAPI_NR_SRS_CODEBOOK;
break;
case 1 << NFAPI_NR_SRS_NONCODEBOOK:
srs_indication->srs_usage = NFAPI_NR_SRS_NONCODEBOOK;
break;
case 1 << NFAPI_NR_SRS_ANTENNASWITCH:
srs_indication->srs_usage = NFAPI_NR_SRS_ANTENNASWITCH;
break;
default:
LOG_E(NR_PHY, "Invalid srs_pdu->srs_parameters_v4.usage %i\n", srs_pdu->srs_parameters_v4.usage);
}
srs_indication->report_type = srs_pdu->srs_parameters_v4.report_type[0];
#ifdef SRS_IND_DEBUG
LOG_I(NR_PHY, "UL_INFO->srs_ind.sfn = %i\n", UL_INFO->srs_ind.sfn);
LOG_I(NR_PHY, "UL_INFO->srs_ind.slot = %i\n", UL_INFO->srs_ind.slot);
LOG_I(NR_PHY, "srs_indication->rnti = %04x\n", srs_indication->rnti);
LOG_I(NR_PHY, "srs_indication->timing_advance = %i\n", srs_indication->timing_advance_offset);
LOG_I(NR_PHY, "srs_indication->timing_advance_offset_nsec = %i\n", srs_indication->timing_advance_offset_nsec);
LOG_I(NR_PHY, "srs_indication->srs_usage = %i\n", srs_indication->srs_usage);
LOG_I(NR_PHY, "srs_indication->report_type = %i\n", srs_indication->report_type);
#endif
nfapi_srs_report_tlv_t *report_tlv = &srs_indication->report_tlv;
report_tlv->tag = 0;
report_tlv->length = 0;
start_meas(&gNB->srs_report_tlv_stats);
switch (srs_indication->srs_usage) {
case NFAPI_NR_SRS_BEAMMANAGEMENT: {
start_meas(&gNB->srs_beam_report_stats);
nfapi_nr_srs_beamforming_report_t nr_srs_bf_report;
nr_srs_bf_report.prg_size = srs_pdu->beamforming.prg_size;
nr_srs_bf_report.num_symbols = 1 << srs_pdu->num_symbols;
nr_srs_bf_report.wide_band_snr =
srs_est >= 0 ? (gNB->srs->snr + 64) << 1 : 0xFF; // 0xFF will be set if this field is invalid
nr_srs_bf_report.num_reported_symbols = 1 << srs_pdu->num_symbols;
AssertFatal(nr_srs_bf_report.num_reported_symbols == 1,
"nr_srs_bf_report.num_reported_symbols %i not handled yet!\n",
nr_srs_bf_report.num_reported_symbols);
fill_srs_reported_symbol(&nr_srs_bf_report.reported_symbol_list[0], srs_pdu, frame_parms->N_RB_UL, snr_per_rb, srs_est);
#ifdef SRS_IND_DEBUG
LOG_I(NR_PHY, "nr_srs_bf_report.prg_size = %i\n", nr_srs_bf_report.prg_size);
LOG_I(NR_PHY, "nr_srs_bf_report.num_symbols = %i\n", nr_srs_bf_report.num_symbols);
LOG_I(NR_PHY,
"nr_srs_bf_report.wide_band_snr = %i (%i dB)\n",
nr_srs_bf_report.wide_band_snr,
(nr_srs_bf_report.wide_band_snr >> 1) - 64);
LOG_I(NR_PHY, "nr_srs_bf_report.num_reported_symbols = %i\n", nr_srs_bf_report.num_reported_symbols);
LOG_I(NR_PHY,
"nr_srs_bf_report.reported_symbol_list[0].num_prgs = %i\n",
nr_srs_bf_report.reported_symbol_list[0].num_prgs);
for (int prg_idx = 0; prg_idx < nr_srs_bf_report.reported_symbol_list[0].num_prgs; prg_idx++) {
LOG_I(NR_PHY,
"nr_srs_beamforming_report.reported_symbol_list[0].prg_list[%3i].rb_snr = %i (%i dB)\n",
prg_idx,
nr_srs_bf_report.reported_symbol_list[0].prg_list[prg_idx].rb_snr,
(nr_srs_bf_report.reported_symbol_list[0].prg_list[prg_idx].rb_snr >> 1) - 64);
}
#endif
report_tlv->length = pack_nr_srs_beamforming_report(&nr_srs_bf_report, report_tlv->value, sizeof(report_tlv->value));
stop_meas(&gNB->srs_beam_report_stats);
break;
}
case NFAPI_NR_SRS_CODEBOOK: {
start_meas(&gNB->srs_iq_matrix_stats);
nfapi_nr_srs_normalized_channel_iq_matrix_t nr_srs_channel_iq_matrix;
fill_srs_channel_matrix(&nr_srs_channel_iq_matrix,
srs_pdu,
gNB->nr_srs_info[i],
srs_pdu->srs_parameters_v4.iq_representation,
ant,
srs_pdu->srs_parameters_v4.num_total_ue_antennas,
srs_pdu->srs_parameters_v4.prg_size,
srs_pdu->srs_parameters_v4.srs_bandwidth_size / srs_pdu->srs_parameters_v4.prg_size,
frame_parms,
srs_estimated_channel_freq);
#ifdef SRS_IND_DEBUG
LOG_I(NR_PHY,
"nr_srs_channel_iq_matrix.normalized_iq_representation = %i\n",
nr_srs_channel_iq_matrix.normalized_iq_representation);
LOG_I(NR_PHY,
"nr_srs_channel_iq_matrix.num_gnb_antenna_elements = %i\n",
nr_srs_channel_iq_matrix.num_gnb_antenna_elements);
LOG_I(NR_PHY, "nr_srs_channel_iq_matrix.num_ue_srs_ports = %i\n", nr_srs_channel_iq_matrix.num_ue_srs_ports);
LOG_I(NR_PHY, "nr_srs_channel_iq_matrix.prg_size = %i\n", nr_srs_channel_iq_matrix.prg_size);
LOG_I(NR_PHY, "nr_srs_channel_iq_matrix.num_prgs = %i\n", nr_srs_channel_iq_matrix.num_prgs);
c16_t *channel_matrix16 = (c16_t *)nr_srs_channel_iq_matrix.channel_matrix;
c8_t *channel_matrix8 = (c8_t *)nr_srs_channel_iq_matrix.channel_matrix;
for (int uI = 0; uI < nr_srs_channel_iq_matrix.num_ue_srs_ports; uI++) {
for (int gI = 0; gI < nr_srs_channel_iq_matrix.num_gnb_antenna_elements; gI++) {
for (int pI = 0; pI < nr_srs_channel_iq_matrix.num_prgs; pI++) {
uint16_t index = uI * nr_srs_channel_iq_matrix.num_gnb_antenna_elements * nr_srs_channel_iq_matrix.num_prgs
+ gI * nr_srs_channel_iq_matrix.num_prgs + pI;
LOG_I(
NR_PHY,
"(uI %i, gI %i, pI %i) channel_matrix --> real %i, imag %i\n",
uI,
gI,
pI,
nr_srs_channel_iq_matrix.normalized_iq_representation == 0 ? channel_matrix8[index].r : channel_matrix16[index].r,
nr_srs_channel_iq_matrix.normalized_iq_representation == 0 ? channel_matrix8[index].i
: channel_matrix16[index].i);
}
}
}
#endif
report_tlv->length =
pack_nr_srs_normalized_channel_iq_matrix(&nr_srs_channel_iq_matrix, report_tlv->value, sizeof(report_tlv->value));
stop_meas(&gNB->srs_iq_matrix_stats);
break;
}
case NFAPI_NR_SRS_NONCODEBOOK:
case NFAPI_NR_SRS_ANTENNASWITCH:
LOG_W(NR_PHY, "PHY procedures for this SRS usage are not implemented yet!\n");
break;
default:
AssertFatal(1 == 0, "Invalid SRS usage\n");
}
stop_meas(&gNB->srs_report_tlv_stats);
#ifdef SRS_IND_DEBUG
LOG_I(NR_PHY, "report_tlv->tag = %i\n", report_tlv->tag);
LOG_I(NR_PHY, "report_tlv->length = %i\n", report_tlv->length);
char *value = (char *)report_tlv->value;
for (int b = 0; b < report_tlv->length; b++) {
LOG_I(NR_PHY, "value[%i] = 0x%02x\n", b, value[b] & 0xFF);
}
#endif
srs->active = false;
stop_meas(&gNB->rx_srs_stats);
}
stop_meas(&gNB->phy_proc_rx);
if (pucch_decode_done || pusch_decode_done) {
T(T_GNB_PHY_PUCCH_PUSCH_IQ, T_INT(frame_rx), T_INT(slot_rx), T_BUFFER(&gNB->common_vars.rxdataF[0][0][0], gNB->frame_parms.symbols_per_slot * gNB->frame_parms.ofdm_symbol_size * 4));
T(T_GNB_PHY_PUCCH_PUSCH_IQ,
T_INT(frame_rx),
T_INT(slot_rx),
T_BUFFER(&gNB->common_vars.rxdataF[0][0][0], nb_symb * symb_sz * 4));
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_gNB_UESPEC_RX,0);