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Configuration of FAPI Beamforming PDU for Aerial PBBF

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This commit is contained in:
Gabriele Gemmi
2025-08-13 19:07:53 +02:00
committed by francescomani
parent 4b85f35369
commit ce06099a99
8 changed files with 17 additions and 15 deletions
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openair1/PHY/INIT/nr_init.c
+1
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@@ -110,6 +110,7 @@ void phy_init_nr_gNB(PHY_VARS_gNB *gNB)
common_vars->analog_bf = cfg->analog_beamforming_ve.analog_bf_vendor_ext.value;
LOG_I(PHY, "L1 configured with%s analog beamforming\n", common_vars->analog_bf ? "" : "out");
if (common_vars->analog_bf) {
// True only if nrmac->beam_info.beam_mode == FAPI_ANALOG_BEAM, thus analog_beamforming=2
common_vars->num_beams_period = cfg->analog_beamforming_ve.num_beams_period_vendor_ext.value;
LOG_I(PHY, "Max number of concurrent beams: %d\n", common_vars->num_beams_period);
} else
openair2/GNB_APP/gnb_config.c
+2 -1
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@@ -1789,7 +1789,8 @@ void RCconfig_nr_macrlc(configmodule_interface_t *cfg)
}
int ab = *MacRLC_ParamList.paramarray[j][MACRLC_ANALOG_BEAMFORMING_IDX].u8ptr;
if (ab > 0) {
AssertFatal(NFAPI_MODE == NFAPI_MONOLITHIC, "Analog beamforming only supported for monolithic scenario\n");
if (ab == 1)
AssertFatal(NFAPI_MODE == NFAPI_MONOLITHIC, "Analog beamforming only supported for monolithic scenario\n");
NR_beam_info_t *beam_info = &RC.nrmac[j]->beam_info;
int beams_per_period = *MacRLC_ParamList.paramarray[j][MACRLC_ANALOG_BEAMS_PERIOD_IDX].u8ptr;
beam_info->beam_allocation = malloc16(beams_per_period * sizeof(int *));
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
+2 -2
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@@ -505,8 +505,8 @@ void schedule_nr_prach(module_id_t module_idP, frame_t frameP, slot_t slotP)
}
}
prach_pdu->num_prach_ocas = num_td_occ;
prach_pdu->beamforming.num_prgs = 0;
prach_pdu->beamforming.prg_size = 0;
prach_pdu->beamforming.num_prgs = 1;
prach_pdu->beamforming.prg_size = 273; //n_ra_rb This value doesn't work with Aerial as it bugs
prach_pdu->beamforming.dig_bf_interface = num_td_occ;
prach_pdu->beamforming.prgs_list[0].dig_bf_interface_list[num_td_occ - 1].beam_idx = beam_index;
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
+1 -1
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@@ -79,7 +79,7 @@ static void schedule_ssb(frame_t frame,
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.bchPayloadFlag = 1;
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.bchPayload = payload;
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.precoding_and_beamforming.num_prgs = 1;
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.precoding_and_beamforming.prg_size = 275; //1 PRG of max size for analogue beamforming
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.precoding_and_beamforming.prg_size = 20; //SSB is always 20RBs
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.precoding_and_beamforming.dig_bf_interfaces = 1;
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.precoding_and_beamforming.prgs_list[0].pm_idx = 0;
dl_config_pdu->ssb_pdu.ssb_pdu_rel15.precoding_and_beamforming.prgs_list[0].dig_bf_interface_list[0].beam_idx = beam_index;
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
+3 -3
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@@ -993,10 +993,10 @@ nfapi_nr_dl_tti_pdsch_pdu_rel15_t *prepare_pdsch_pdu(nfapi_nr_dl_tti_request_pdu
pdsch_pdu->maintenance_parms_v3.tbSizeLbrmBytes = nr_compute_tbslbrm(pdsch_pdu->mcsTable[0], dl_bw_tbslbrm, nl_tbslbrm);
pdsch_pdu->maintenance_parms_v3.ldpcBaseGraph = get_BG(sched_pdsch->tb_size << 3, sched_pdsch->R);
// Precoding and beamforming
pdsch_pdu->precodingAndBeamforming.num_prgs = 0;
pdsch_pdu->precodingAndBeamforming.num_prgs = 1;
pdsch_pdu->precodingAndBeamforming.prg_size = pdsch_pdu->rbSize;
pdsch_pdu->precodingAndBeamforming.dig_bf_interfaces = 0;
pdsch_pdu->precodingAndBeamforming.prgs_list[0].pm_idx = sched_pdsch->pm_index;
pdsch_pdu->precodingAndBeamforming.dig_bf_interfaces = 1;
pdsch_pdu->precodingAndBeamforming.prgs_list[0].pm_idx = sched_pdsch->pm_index;
pdsch_pdu->precodingAndBeamforming.prgs_list[0].dig_bf_interface_list[0].beam_idx = beam_index;
return pdsch_pdu;
}
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
+5 -5
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@@ -824,8 +824,8 @@ nfapi_nr_dl_dci_pdu_t *prepare_dci_pdu(nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_
}
dci_pdu->beta_PDCCH_1_0 = 0;
dci_pdu->powerControlOffsetSS = 1;
dci_pdu->precodingAndBeamforming.num_prgs = 0;
dci_pdu->precodingAndBeamforming.prg_size = 0;
dci_pdu->precodingAndBeamforming.num_prgs = 1;
dci_pdu->precodingAndBeamforming.prg_size = 273;
dci_pdu->precodingAndBeamforming.dig_bf_interfaces = 1;
dci_pdu->precodingAndBeamforming.prgs_list[0].pm_idx = 0;
dci_pdu->precodingAndBeamforming.prgs_list[0].dig_bf_interface_list[0].beam_idx = beam_index;
@@ -1249,9 +1249,9 @@ void nr_configure_pucch(nfapi_nr_pucch_pdu_t *pucch_pdu,
pucch_pdu->prb_size=1;
}
// Beamforming
pucch_pdu->beamforming.num_prgs = 0;
pucch_pdu->beamforming.prg_size = 0; // pucch_pdu->prb_size;
pucch_pdu->beamforming.dig_bf_interface = 0;
pucch_pdu->beamforming.num_prgs = 1;
pucch_pdu->beamforming.prg_size = pucch_pdu->prb_size;
pucch_pdu->beamforming.dig_bf_interface = 1;
pucch_pdu->beamforming.prgs_list[0].dig_bf_interface_list[0].beam_idx = UE->UE_beam_index;
}
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_srs.c
+1 -1
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@@ -465,7 +465,7 @@ static void nr_configure_srs(gNB_MAC_INST *nrmac,
if (srs_resource_set->usage == NR_SRS_ResourceSet__usage_beamManagement) {
srs_pdu->beamforming.trp_scheme = 0;
srs_pdu->beamforming.num_prgs = m_SRS[srs_pdu->config_index];
srs_pdu->beamforming.prg_size = 1;
srs_pdu->beamforming.prg_size = srs_pdu->srs_parameters_v4.srs_bandwidth_size;
}
srs_pdu->beamforming.prgs_list[0].dig_bf_interface_list[0].beam_idx = UE->UE_beam_index;
NR_beam_alloc_t beam = beam_allocation_procedure(&nrmac->beam_info, frame, slot, UE->UE_beam_index, slots_per_frame);
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+2 -2
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@@ -2311,8 +2311,8 @@ nfapi_nr_pusch_pdu_t *prepare_pusch_pdu(nfapi_nr_ul_tti_request_t *future_ul_tti
pusch_pdu->pusch_data.tb_size = sched_pusch->tb_size;
pusch_pdu->pusch_data.num_cb = 0; // CBG not supported
// Beamforming
pusch_pdu->beamforming.num_prgs = 0;
pusch_pdu->beamforming.prg_size = 0; // bwp_size;
pusch_pdu->beamforming.num_prgs = 1;
pusch_pdu->beamforming.prg_size = pusch_pdu->bwp_size;
pusch_pdu->beamforming.dig_bf_interface = 1;
pusch_pdu->beamforming.prgs_list[0].dig_bf_interface_list[0].beam_idx = UE->UE_beam_index;
/* TRANSFORM PRECODING --------------------------------------------------------*/