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L1 beam allocation from symbol bitmap

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This is required because CSI-RS may not be allocated in consecutive symbols within a slot
This commit is contained in:
francescomani
2024-11-14 08:41:14 +01:00
parent f54ca5714e
commit c0f2d24471
8 changed files with 23 additions and 45 deletions
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openair1/PHY/NR_TRANSPORT/nr_dci.c
+2 -2
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@@ -80,12 +80,12 @@ static void nr_generate_dci(PHY_VARS_gNB *gNB,
uint32_t cset_nsymb = pdcch_pdu_rel15->DurationSymbols;
int dci_idx = 0;
// multi-beam number (for concurrent beams)
int bitmap = SL_to_bitmap(cset_start_symb, pdcch_pdu_rel15->DurationSymbols);
int beam_nb = beam_index_allocation(dci_pdu->precodingAndBeamforming.prgs_list[0].dig_bf_interface_list[0].beam_idx,
&gNB->common_vars,
slot,
frame_parms->symbols_per_slot,
cset_start_symb,
pdcch_pdu_rel15->DurationSymbols);
bitmap);
LOG_D(NR_PHY_DCI, "pdcch: Coreset rb_offset %d, nb_rb %d BWP Start %d\n", rb_offset, n_rb, pdcch_pdu_rel15->BWPStart);
LOG_D(NR_PHY_DCI,
openair1/PHY/NR_TRANSPORT/nr_dlsch.c
+2 -2
View File
@@ -471,12 +471,12 @@ void nr_generate_pdsch(processingData_L1tx_t *msgTx, int frame, int slot)
start_meas(&gNB->dlsch_precoding_stats);
nfapi_nr_tx_precoding_and_beamforming_t *pb = &rel15->precodingAndBeamforming;
// beam number in multi-beam scenario (concurrent beams)
int bitmap = SL_to_bitmap(rel15->StartSymbolIndex, rel15->NrOfSymbols);
int beam_nb = beam_index_allocation(pb->prgs_list[0].dig_bf_interface_list[0].beam_idx,
&gNB->common_vars,
slot,
frame_parms->symbols_per_slot,
rel15->StartSymbolIndex,
rel15->NrOfSymbols);
bitmap);
c16_t **txdataF = gNB->common_vars.txdataF[beam_nb];
openair1/PHY/NR_TRANSPORT/nr_prach.c
+2 -6
View File
@@ -85,12 +85,8 @@ void nr_fill_prach(PHY_VARS_gNB *gNB, int SFN, int Slot, nfapi_nr_prach_pdu_t *p
int fapi_beam_idx = prach_pdu->beamforming.prgs_list[0].dig_bf_interface_list[0].beam_idx;
// TODO no idea how to compute final prach symbol here so for now we go til the end of the slot
int temp_nb_symbols = NR_NUMBER_OF_SYMBOLS_PER_SLOT - prach_pdu->prach_start_symbol;
prach->beam_nb = beam_index_allocation(fapi_beam_idx,
&gNB->common_vars,
Slot,
NR_NUMBER_OF_SYMBOLS_PER_SLOT,
prach_pdu->prach_start_symbol,
temp_nb_symbols);
int bitmap = SL_to_bitmap(prach_pdu->prach_start_symbol, temp_nb_symbols);
prach->beam_nb = beam_index_allocation(fapi_beam_idx, &gNB->common_vars, Slot, NR_NUMBER_OF_SYMBOLS_PER_SLOT, bitmap);
}
LOG_D(NR_PHY,"Copying prach pdu %d bytes to index %d\n", (int)sizeof(*prach_pdu), prach_id);
memcpy(&prach->pdu, prach_pdu, sizeof(*prach_pdu));
openair1/PHY/NR_TRANSPORT/nr_ulsch.c
+2 -6
View File
@@ -75,12 +75,8 @@ void nr_fill_ulsch(PHY_VARS_gNB *gNB, int frame, int slot, nfapi_nr_pusch_pdu_t
ulsch->beam_nb = 0;
if (gNB->common_vars.beam_id) {
int fapi_beam_idx = ulsch_pdu->beamforming.prgs_list[0].dig_bf_interface_list[0].beam_idx;
ulsch->beam_nb = beam_index_allocation(fapi_beam_idx,
&gNB->common_vars,
slot,
NR_NUMBER_OF_SYMBOLS_PER_SLOT,
ulsch_pdu->start_symbol_index,
ulsch_pdu->nr_of_symbols);
int bitmap = SL_to_bitmap(ulsch_pdu->start_symbol_index, ulsch_pdu->nr_of_symbols);
ulsch->beam_nb = beam_index_allocation(fapi_beam_idx, &gNB->common_vars, slot, NR_NUMBER_OF_SYMBOLS_PER_SLOT, bitmap);
}
ulsch->frame = frame;
ulsch->slot = slot;
openair1/PHY/NR_TRANSPORT/pucch_rx.c
+2 -6
View File
@@ -75,12 +75,8 @@ void nr_fill_pucch(PHY_VARS_gNB *gNB,
pucch->beam_nb = 0;
if (gNB->common_vars.beam_id) {
int fapi_beam_idx = pucch_pdu->beamforming.prgs_list[0].dig_bf_interface_list[0].beam_idx;
pucch->beam_nb = beam_index_allocation(fapi_beam_idx,
&gNB->common_vars,
slot,
NR_NUMBER_OF_SYMBOLS_PER_SLOT,
pucch_pdu->start_symbol_index,
pucch_pdu->nr_of_symbols);
int bitmap = SL_to_bitmap(pucch_pdu->start_symbol_index, pucch_pdu->nr_of_symbols);
pucch->beam_nb = beam_index_allocation(fapi_beam_idx, &gNB->common_vars, slot, NR_NUMBER_OF_SYMBOLS_PER_SLOT, bitmap);
}
memcpy((void *)&pucch->pucch_pdu, (void *)pucch_pdu, sizeof(nfapi_nr_pucch_pdu_t));
LOG_D(PHY,
openair1/PHY/NR_TRANSPORT/srs_rx.c
+2 -6
View File
@@ -57,13 +57,9 @@ void nr_fill_srs(PHY_VARS_gNB *gNB, frame_t frame, slot_t slot, nfapi_nr_srs_pdu
srs->active = true;
srs->beam_nb = 0;
if (gNB->common_vars.beam_id) {
int bitmap = SL_to_bitmap(srs_pdu->time_start_position, 1 << srs_pdu->num_symbols);
int fapi_beam_idx = srs_pdu->beamforming.prgs_list[0].dig_bf_interface_list[0].beam_idx;
srs->beam_nb = beam_index_allocation(fapi_beam_idx,
&gNB->common_vars,
slot,
NR_NUMBER_OF_SYMBOLS_PER_SLOT,
srs_pdu->time_start_position,
1 << srs_pdu->num_symbols);
srs->beam_nb = beam_index_allocation(fapi_beam_idx, &gNB->common_vars, slot, NR_NUMBER_OF_SYMBOLS_PER_SLOT, bitmap);
}
memcpy((void *)&srs->srs_pdu, (void *)srs_pdu, sizeof(nfapi_nr_srs_pdu_t));
break;