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Refactor PUSCH processing into its own function

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Signed-off-by: Robert Schmidt <robert.schmidt@openairinterface.org>
This commit is contained in:
Robert Schmidt
2026-04-16 11:53:19 +02:00
parent cbe69c7dfa
commit 25f77993ca
1 changed files with 88 additions and 80 deletions
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openair1/SCHED_NR/phy_procedures_nr_gNB.c
+88 -80
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@@ -919,6 +919,92 @@ static void handle_pucch(PHY_VARS_gNB *gNB, c16_t **rxdataF, const NR_gNB_PUCCH_
}
}
static bool handle_pusch_decode_trigger(PHY_VARS_gNB *gNB, NR_gNB_PUSCH *pusch_vars, NR_gNB_ULSCH_t *ulsch, NR_UL_IND_t *UL_INFO, int *pusch_DTX)
{
NR_UL_gNB_HARQ_t *ulsch_harq = ulsch->harq_process;
AssertFatal(ulsch_harq != NULL, "harq_pid %d is not allocated\n", ulsch->harq_pid);
const nfapi_nr_pusch_pdu_t *pdu = &ulsch_harq->ulsch_pdu;
#ifdef DEBUG_RXDATA
RU_t *ru = gNB->RU_list[0];
int slot_offset = frame_parms->get_samples_slot_timestamp(ulsch->slot, 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(ulsch->slot, frame_parms) * sizeof(int32_t));
gNB->common_vars.debugBuff_sample_offset += (frame_parms->get_samples_per_slot(ulsch->slot, frame_parms) + 1000 + 4);
if (gNB->common_vars.debugBuff_sample_offset > ((frame_parms->get_samples_per_slot(ulsch->slot, 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(ulsch->slot, frame_parms) + 1000 + 4) * 20 * 2,
f);
fclose(f);
exit(-1);
}
#endif
start_meas(&gNB->rx_pusch_stats);
nr_rx_pusch_tp(gNB, pusch_vars, pdu, &ulsch->unav_res, ulsch->frame, ulsch->slot, ulsch->beam_nb);
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_tot += pusch_vars->ulsch_power[aarx];
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",
ulsch->frame,
ulsch->slot,
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 *rx = &UL_INFO->rx_ind.pdu_list[UL_INFO->rx_ind.number_of_pdus++];
nr_fill_indication(gNB, ulsch->frame, ulsch->slot, pusch_vars, pdu, stats, NULL, 1, crc, rx);
(*pusch_DTX)++;
gNBdumpScopeData(gNB, ulsch->slot, ulsch->frame, "ULSCH_DTX");
return false;
}
} else {
LOG_D(PHY,
"PUSCH detected in %d.%d (%d,%d,%d)\n",
ulsch->frame,
ulsch->slot,
dB_fixed_x10(pusch_vars->ulsch_power_tot),
dB_fixed_x10(pusch_vars->ulsch_noise_power_tot),
gNB->pusch_thres);
pusch_vars->DTX = 0;
}
stop_meas(&gNB->rx_pusch_stats);
return true;
}
static bool drop_old_pucch(const void *data, void *user)
{
const NR_gNB_PUCCH_job_t *pucch = data;
@@ -999,92 +1085,14 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, N
for (int ULSCH_id = 0; ULSCH_id < gNB->max_nb_pusch; ULSCH_id++) {
ulsch_idx_to_decode[ULSCH_id] = -1;
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 && 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);
const nfapi_nr_pusch_pdu_t *pdu = &ulsch_harq->ulsch_pdu;
#ifdef DEBUG_RXDATA
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],
get_samples_per_slot(slot_rx, frame_parms) * sizeof(int32_t));
gNB->common_vars.debugBuff_sample_offset += (get_samples_per_slot(slot_rx, frame_parms) + 1000 + 4);
if (gNB->common_vars.debugBuff_sample_offset > ((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, (get_samples_per_slot(slot_rx, frame_parms) + 1000 + 4) * 20 * 2, f);
fclose(f);
exit(-1);
}
#endif
pusch_decode_done = 1;
start_meas(&gNB->rx_pusch_stats);
NR_gNB_PUSCH *pusch_vars = &gNB->pusch_vars[ULSCH_id];
nr_rx_pusch_tp(gNB, pusch_vars, pdu, &ulsch->unav_res, frame_rx, slot_rx, ulsch->beam_nb);
pusch_vars->ulsch_power_tot = 0;
pusch_vars->ulsch_noise_power_tot = 0;
for (int aarx = 0; aarx < nb_antennas_rx; aarx++) {
pusch_vars->ulsch_power_tot += pusch_vars->ulsch_power[aarx];
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 *rx = &UL_INFO->rx_ind.pdu_list[UL_INFO->rx_ind.number_of_pdus++];
nr_fill_indication(gNB, frame_rx, slot_rx, pusch_vars, pdu, stats, NULL, 1, crc, rx);
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_idx_to_decode[num_pusch++] = ULSCH_id;
stop_meas(&gNB->rx_pusch_stats);
// 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);
if (handle_pusch_decode_trigger(gNB, pusch_vars, ulsch, UL_INFO, &pusch_DTX))
ulsch_idx_to_decode[num_pusch++] = ULSCH_id;
}
/* Do ULSCH decoding time measurement only when number of PUSCH is limited to 1