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remove L1 nr_band dependence in frame parameters

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This commit is contained in:
francescomani
2026-02-25 14:31:58 +01:00
parent 5ed309166b
commit 8180a5db03
8 changed files with 32 additions and 23 deletions
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openair1/PHY/INIT/nr_init.c
+5 -4
View File
@@ -313,31 +313,32 @@ void nr_phy_config_request_sim(PHY_VARS_gNB *gNB,
gNB_config->carrier_config.num_tx_ant.value = fp->nb_antennas_tx;
gNB_config->carrier_config.num_rx_ant.value = fp->nb_antennas_rx;
int nr_band = 78;
switch (mu) {
case 0:
gNB->gNB_config.tdd_table.tdd_period.value = 7;
fp->dl_CarrierFreq = 2600000000;
fp->ul_CarrierFreq = 2600000000;
fp->nr_band = 38;
nr_band = 38;
break;
case 1:
gNB->gNB_config.tdd_table.tdd_period.value = 6;
fp->dl_CarrierFreq = 3600000000;
fp->ul_CarrierFreq = 3600000000;
fp->nr_band = 78;
nr_band = 78;
break;
case 3:
gNB->gNB_config.tdd_table.tdd_period.value = 3;
fp->dl_CarrierFreq = 27524520000;
fp->ul_CarrierFreq = 27524520000;
fp->nr_band = 261;
nr_band = 261;
break;
default:
printf("unsupported numerology %d\n", mu);
exit(-1);
}
frequency_range_t frequency_range = get_freq_range_from_band(fp->nr_band);
frequency_range_t frequency_range = get_freq_range_from_band(nr_band);
int bw_index = get_supported_band_index(mu, frequency_range, N_RB_DL);
gNB_config->carrier_config.dl_bandwidth.value = get_supported_bw_mhz(frequency_range, bw_index);
openair1/PHY/INIT/nr_parms.c
+14 -11
View File
@@ -364,7 +364,6 @@ int nr_init_frame_parms_ue(NR_DL_FRAME_PARMS *fp, fapi_nr_config_request_t* conf
fp->nb_antenna_ports_gNB = nb_ant_ports_gNB;
fp->tdd_config = tdd_cfg;
fp->Nid_cell = Nid_cell;
fp->nr_band = nr_band;
LOG_I(PHY, "Initializing frame parms: set nb_antenna_ports_gNB %d, tdd_config, %d, Nid_cell %d\n", fp->nb_antenna_ports_gNB, fp->tdd_config, fp->Nid_cell);
@@ -382,13 +381,21 @@ int nr_init_frame_parms_ue(NR_DL_FRAME_PARMS *fp, fapi_nr_config_request_t* conf
fp->N_RB_DL = config->carrier_config.dl_grid_size[fp->numerology_index];
fp->N_RB_SL = config->carrier_config.sl_grid_size[fp->numerology_index];
fp->frame_type = get_frame_type(fp->nr_band, fp->numerology_index);
fp->frame_type = get_frame_type(nr_band, fp->numerology_index);
int64_t uplink_frequency_offset = fp->ul_CarrierFreq - fp->dl_CarrierFreq;
uplink_frequency_offset *= 1000;
LOG_I(PHY, "Initializing frame parms: DL frequency %lu Hz, UL frequency %lu Hz: band %d, uldl offset %ld Hz\n", fp->dl_CarrierFreq, fp->ul_CarrierFreq, fp->nr_band, uplink_frequency_offset);
LOG_I(PHY,
"Initializing frame parms: DL frequency %lu Hz, UL frequency %lu Hz: band %d, uldl offset %ld Hz\n",
fp->dl_CarrierFreq,
fp->ul_CarrierFreq,
nr_band,
uplink_frequency_offset);
AssertFatal(fp->frame_type==config->cell_config.frame_duplex_type, "Invalid duplex type (frame_type %d,cell_config.frame_duplex_type %d) in config request file for band %d\n", fp->frame_type,config->cell_config.frame_duplex_type,fp->nr_band);
AssertFatal(fp->frame_type == config->cell_config.frame_duplex_type,
"Invalid duplex type (frame_type %d,cell_config.frame_duplex_type %d) in config request file for band %d\n",
fp->frame_type,config->cell_config.frame_duplex_type,
nr_band);
LOG_I(PHY,"Initializing frame parms for mu %d, N_RB %d, Ncp %d\n",fp->numerology_index, fp->N_RB_DL, Ncp);
@@ -459,8 +466,7 @@ void nr_init_frame_parms_ue_sa(NR_DL_FRAME_PARMS *frame_parms, const nrUE_cell_p
frame_parms->N_RB_DL = N_RB_DL;
frame_parms->N_RB_UL = frame_parms->N_RB_DL;
frame_parms->nr_band = nr_band;
frame_parms->frame_type = get_frame_type(frame_parms->nr_band, frame_parms->numerology_index);
frame_parms->frame_type = get_frame_type(nr_band, frame_parms->numerology_index);
frame_parms->Ncp = NORMAL;
set_scs_parameters(frame_parms, frame_parms->numerology_index, frame_parms->N_RB_DL, set_ssb_case(mu, nr_band));
@@ -506,7 +512,6 @@ void nr_dump_frame_parms(NR_DL_FRAME_PARMS *fp)
LOG_I(PHY, "fp->Ncp=%d\n", fp->Ncp);
LOG_I(PHY, "fp->N_RB_DL=%d\n", fp->N_RB_DL);
LOG_I(PHY, "fp->numerology_index=%d\n", fp->numerology_index);
LOG_I(PHY, "fp->nr_band=%d\n", fp->nr_band);
LOG_I(PHY, "fp->ofdm_offset_divisor=%d\n", fp->ofdm_offset_divisor);
LOG_I(PHY, "fp->threequarter_fs=%d\n", fp->threequarter_fs);
LOG_I(PHY, "fp->sl_CarrierFreq=%lu\n", fp->sl_CarrierFreq);
@@ -522,8 +527,6 @@ int nr_init_frame_parms_ue_sl(NR_DL_FRAME_PARMS *fp,
fp->ofdm_offset_divisor = ofdm_offset_divisor;
fp->threequarter_fs = threequarter_fs;
fp->nr_band = get_band(config->sl_carrier_config.sl_frequency, 0, 0, 0);
fp->att_rx = 0;
fp->att_tx = 0;
fp->nb_antennas_rx = config->sl_carrier_config.sl_num_rx_ant;
@@ -535,7 +538,7 @@ int nr_init_frame_parms_ue_sl(NR_DL_FRAME_PARMS *fp,
fp->N_RB_UL = fp->N_RB_SL;
fp->Ncp = config->sl_bwp_config.sl_cyclic_prefix;
fp->frame_type = get_frame_type(fp->nr_band, fp->numerology_index);
fp->frame_type = get_frame_type(config->sl_carrier_config.band, fp->numerology_index);
uint64_t bw_khz = (12 * config->sl_carrier_config.sl_grid_size) * (15 << config->sl_bwp_config.sl_scs);
// REfer to section 3GPP spec 38.101 5.4E.2.1
@@ -555,7 +558,7 @@ int nr_init_frame_parms_ue_sl(NR_DL_FRAME_PARMS *fp,
fp->dl_CarrierFreq,
fp->ul_CarrierFreq,
fp->sl_CarrierFreq,
fp->nr_band);
config->sl_carrier_config.band);
AssertFatal(fp->frame_type == TDD, "Sidelink bands only support TDD");