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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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executables/nr-ue-ru.c
+6
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@@ -110,6 +110,12 @@ int nrue_get_cell_count(void)
return nrue_cell_count;
}
int nrue_get_band(const PHY_VARS_NR_UE *UE)
{
int cell_id = nrue_rus[UE->rf_map.card].used_by_cell;
return nrue_cells[cell_id].band;
}
const nrUE_cell_params_t *nrue_get_cell(int cell_id)
{
AssertFatal(cell_id >= 0 && cell_id < nrue_cell_count, "Invalid cell ID %d! Cell count = %d\n", cell_id, nrue_cell_count);
executables/nr-ue-ru.h
+1 -1
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@@ -30,7 +30,7 @@ const nrUE_cell_params_t *nrue_get_cell(int cell_id);
NR_DL_FRAME_PARMS *nrue_get_cell_fp(int cell_id);
void nrue_set_cell(int cell_id, const nrUE_cell_params_t *cell);
void nrue_set_cell_params(configmodule_interface_t *cfg);
int nrue_get_band(const PHY_VARS_NR_UE *UE);
int nrue_get_ru_count(void);
const nrUE_RU_params_t *nrue_get_ru(int ru_id);
void nrue_set_ru_cell_id(int ru_id, int cell_id);
executables/nr-ue.c
+1 -1
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@@ -837,7 +837,7 @@ void *UE_thread(void *arg)
// Get list of GSCN in this band for UE's bandwidth and center frequency.
LOG_W(PHY, "UE set to scan all GSCN in current bandwidth\n");
syncMsg->numGscn =
get_scan_ssb_first_sc(fp->dl_CarrierFreq, fp->N_RB_DL, fp->nr_band, fp->numerology_index, syncMsg->gscnInfo);
get_scan_ssb_first_sc(fp->dl_CarrierFreq, fp->N_RB_DL, nrue_get_band(UE), fp->numerology_index, syncMsg->gscnInfo);
} else {
LOG_W(PHY, "SSB position provided\n");
syncMsg->gscnInfo[0] = (nr_gscn_info_t){.ssbFirstSC = fp->ssb_start_subcarrier};
executables/nr-uesoftmodem.c
+1 -1
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@@ -385,7 +385,7 @@ int main(int argc, char **argv)
fapi_nr_config_request_t *nrUE_config = &UE_CC->nrUE_config;
nr_init_frame_parms_ue(fp, nrUE_config, mac->nr_band);
cell.band = fp->nr_band;
cell.band = mac->nr_band;
cell.rf_frequency = fp->dl_CarrierFreq;
cell.rf_freq_offset = fp->ul_CarrierFreq - fp->dl_CarrierFreq;
cell.numerology = fp->numerology_index;
nfapi/open-nFAPI/nfapi/public_inc/sidelink_nr_ue_interface.h
+1 -1
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@@ -365,7 +365,7 @@ typedef struct
//Indicates presence of +/-5Khz shift wrt FREF for V2X reference frequencies.
//Possible values: {-1,0,1}
int8_t sl_value_N;
uint32_t band;
} sl_nr_carrier_config_t;
openair1/PHY/INIT/nr_init.c
+5 -4
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@@ -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
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@@ -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");
openair2/LAYER2/NR_MAC_UE/config_ue_sl.c
+3 -4
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@@ -126,9 +126,9 @@ static void sl_prepare_phy_config(int module_id,
AssertFatal(SSB_ARFCN, "sl_AbsoluteFrequencySSB cannot be 0\n");
LOG_I(NR_MAC, "SIDELINK CONFIGs: AbsFreqSSB:%d, AbsFreqPointA:%d, SL band:%d\n",
SSB_ARFCN,pointA_ARFCN, sl_band);
LOG_I(NR_MAC, "SIDELINK CONFIGs: AbsFreqSSB:%d, AbsFreqPointA:%d, SL band:%d\n", SSB_ARFCN, pointA_ARFCN, sl_band);
phycfg->sl_carrier_config.band = sl_band;
//FREQSHIFT_7P5KHZ is DISABLED
phycfg->sl_carrier_config.sl_frequency_shift_7p5khz = 0;
phycfg->sl_carrier_config.sl_value_N = freqcfg->valueN_r16;
@@ -141,8 +141,7 @@ static void sl_prepare_phy_config(int module_id,
int bw_index = get_supported_band_index(carriercfg->subcarrierSpacing, FR1, carriercfg->carrierBandwidth);
phycfg->sl_carrier_config.sl_bandwidth = get_supported_bw_mhz(FR1, bw_index);
phycfg->sl_carrier_config.sl_frequency =
from_nrarfcn(sl_band,carriercfg->subcarrierSpacing,pointA_ARFCN); // freq in kHz
phycfg->sl_carrier_config.sl_frequency = from_nrarfcn(sl_band, carriercfg->subcarrierSpacing, pointA_ARFCN); // freq in kHz
phycfg->sl_carrier_config.sl_grid_size = carriercfg->carrierBandwidth;
//For sidelink offset to carrier is 0. hence not used