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Implementation of pack and unpack functions for nfapi_nr_srs_normalized_channel_iq_matrix_t

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This commit is contained in:
Roberto Louro Magueta
2022-06-10 20:41:22 +01:00
parent cc52682bc2
commit 5df658141b
6 changed files with 175 additions and 15 deletions
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openair1/SCHED_NR/phy_procedures_nr_gNB.c
+46 -5
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@@ -892,8 +892,26 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx) {
gNB->srs_pdu_list[num_srs].rnti = srs_pdu->rnti;
gNB->srs_pdu_list[num_srs].timing_advance_offset = nr_est_timing_advance_srs(&gNB->frame_parms, gNB->nr_srs_info[i]->srs_estimated_channel_time[0]);
gNB->srs_pdu_list[num_srs].timing_advance_offset_nsec = (int16_t)(( ((int32_t)gNB->srs_pdu_list[num_srs].timing_advance_offset-31) * ((int32_t)TC_NSEC_x32768) ) >> 15);
gNB->srs_pdu_list[num_srs].srs_usage = srs_pdu->srs_parameters_v4.usage;
gNB->srs_pdu_list[num_srs].report_type = 1;
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<<NR_SRS_ResourceSet__usage_beamManagement:
gNB->srs_pdu_list[num_srs].srs_usage = NR_SRS_ResourceSet__usage_beamManagement;
break;
case 1<<NR_SRS_ResourceSet__usage_codebook:
gNB->srs_pdu_list[num_srs].srs_usage = NR_SRS_ResourceSet__usage_codebook;
break;
case 1<<NR_SRS_ResourceSet__usage_nonCodebook:
gNB->srs_pdu_list[num_srs].srs_usage = NR_SRS_ResourceSet__usage_nonCodebook;
break;
case 1<<NR_SRS_ResourceSet__usage_antennaSwitching:
gNB->srs_pdu_list[num_srs].srs_usage = NR_SRS_ResourceSet__usage_antennaSwitching;
break;
default:
LOG_E(NR_PHY, "Invalid srs_pdu->srs_parameters_v4.usage %i\n", srs_pdu->srs_parameters_v4.usage);
}
gNB->srs_pdu_list[num_srs].report_type = srs_pdu->srs_parameters_v4.report_type[0];
#ifdef SRS_IND_DEBUG
LOG_I(NR_PHY, "gNB->UL_INFO.srs_ind.sfn = %i\n", gNB->UL_INFO.srs_ind.sfn);
@@ -909,12 +927,15 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx) {
gNB->srs_pdu_list[num_srs].report_tlv = (nfapi_srs_report_tlv_t*) calloc(1, sizeof(nfapi_srs_report_tlv_t));
}
gNB->srs_pdu_list[num_srs].report_tlv->tag = 0;
gNB->srs_pdu_list[num_srs].report_tlv->length = 0;
switch (gNB->srs_pdu_list[num_srs].srs_usage) {
case NR_SRS_ResourceSet__usage_beamManagement: {
nfapi_nr_srs_beamforming_report_t *nr_srs_beamforming_report = (nfapi_nr_srs_beamforming_report_t*) calloc(1,sizeof(nfapi_nr_srs_beamforming_report_t));
nfapi_nr_srs_beamforming_report_t *nr_srs_beamforming_report =
(nfapi_nr_srs_beamforming_report_t*) calloc(1,sizeof(nfapi_nr_srs_beamforming_report_t));
nr_srs_beamforming_report->prg_size = srs_pdu->beamforming.prg_size;
nr_srs_beamforming_report->num_symbols = 1<<srs_pdu->num_symbols;
nr_srs_beamforming_report->wide_band_snr = srs_est >= 0 ? (*gNB->nr_srs_info[i]->snr + 64)<<1 : 0xFF; // 0xFF will be set if this field is invalid
@@ -947,14 +968,34 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx) {
}
case NR_SRS_ResourceSet__usage_codebook: {
gNB->srs_pdu_list[num_srs].report_tlv->length = 0;
nfapi_nr_srs_normalized_channel_iq_matrix_t *nr_srs_normalized_channel_iq_matrix =
(nfapi_nr_srs_normalized_channel_iq_matrix_t*) calloc(1,sizeof(nfapi_nr_srs_normalized_channel_iq_matrix_t));
nr_srs_normalized_channel_iq_matrix->normalized_iq_representation = srs_pdu->srs_parameters_v4.iq_representation;
nr_srs_normalized_channel_iq_matrix->num_gnb_antenna_elements = gNB->frame_parms.nb_antennas_rx;
nr_srs_normalized_channel_iq_matrix->num_ue_srs_ports = srs_pdu->srs_parameters_v4.num_total_ue_antennas;
nr_srs_normalized_channel_iq_matrix->prg_size = srs_pdu->srs_parameters_v4.prg_size;
nr_srs_normalized_channel_iq_matrix->num_prgs = srs_pdu->srs_parameters_v4.srs_bandwidth_size/srs_pdu->srs_parameters_v4.prg_size;
#ifdef SRS_IND_DEBUG
LOG_I(NR_PHY, "nr_srs_normalized_channel_iq_matrix->normalized_iq_representation = %i\n", nr_srs_normalized_channel_iq_matrix->normalized_iq_representation);
LOG_I(NR_PHY, "nr_srs_normalized_channel_iq_matrix->num_gnb_antenna_elements = %i\n", nr_srs_normalized_channel_iq_matrix->num_gnb_antenna_elements);
LOG_I(NR_PHY, "nr_srs_normalized_channel_iq_matrix->num_ue_srs_ports = %i\n", nr_srs_normalized_channel_iq_matrix->num_ue_srs_ports);
LOG_I(NR_PHY, "nr_srs_normalized_channel_iq_matrix->prg_size = %i\n", nr_srs_normalized_channel_iq_matrix->prg_size);
LOG_I(NR_PHY, "nr_srs_normalized_channel_iq_matrix->num_prgs = %i\n", nr_srs_normalized_channel_iq_matrix->num_prgs);
#endif
gNB->srs_pdu_list[num_srs].report_tlv->length = pack_nr_srs_normalized_channel_iq_matrix(nr_srs_normalized_channel_iq_matrix,
gNB->srs_pdu_list[num_srs].report_tlv->value,
16384*sizeof(uint32_t));
break;
}
case NR_SRS_ResourceSet__usage_nonCodebook:
case NR_SRS_ResourceSet__usage_antennaSwitching:
LOG_W(NR_PHY, "PHY procedures for this SRS usage are not implemented yet!\n");
gNB->srs_pdu_list[num_srs].report_tlv->length = 0;
break;
default: