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remove unused ulsch measurements at gNB

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This commit is contained in:
francescomani
2025-10-22 09:24:54 +02:00
parent 7045140845
commit e3aa91dec8
4 changed files with 1 additions and 91 deletions
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openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c
-71
View File
@@ -188,74 +188,3 @@ void gNB_I0_measurements(PHY_VARS_gNB *gNB, int slot, int first_symb, int num_sy
}
}
}
// Scope: This function computes the UL SNR from the UL channel estimates
//
// Todo:
// - averaging IIR filter for RX power and noise
void nr_gnb_measurements(PHY_VARS_gNB *gNB,
NR_gNB_ULSCH_t *ulsch,
NR_gNB_PUSCH *pusch_vars,
unsigned char symbol,
uint8_t nrOfLayers)
{
uint32_t rx_power_tot = 0;
unsigned short rx_power_avg_dB;
unsigned short rx_power_tot_dB;
RU_t *ru = gNB->RU_list[0];
double rx_gain, rx_gain_offset;
if (ru && ru->rfdevice.openair0_cfg) {
rx_gain = ru->rfdevice.openair0_cfg->rx_gain[0];
rx_gain_offset = ru->rfdevice.openair0_cfg->rx_gain_offset[0];
} else if (ru && ru->ifdevice.openair0_cfg) {
rx_gain = ru->ifdevice.openair0_cfg->rx_gain[0];
rx_gain_offset = ru->ifdevice.openair0_cfg->rx_gain_offset[0];
} else {
LOG_W(NR_PHY, "no device for rx gain, take arbitrary gain = 1)\n");
rx_gain = 1;
rx_gain_offset = 0;
}
PHY_MEASUREMENTS_gNB *meas = &gNB->measurements;
NR_DL_FRAME_PARMS *fp = &gNB->frame_parms;
int ch_offset = fp->ofdm_symbol_size * symbol;
int N_RB_UL = ulsch->harq_process->ulsch_pdu.rb_size;
ulsch_measurements_gNB *ulsch_measurements = &ulsch->ulsch_measurements;
int rx_power[fp->nb_antennas_rx];
int rx_spatial_power[nrOfLayers][fp->nb_antennas_rx];
for (int aarx = 0; aarx < fp->nb_antennas_rx; aarx++){
rx_power[aarx] = 0;
for (int aatx = 0; aatx < nrOfLayers; aatx++){
rx_spatial_power[aatx][aarx] =
(signal_energy_nodc((c16_t*)&pusch_vars->ul_ch_estimates[aatx * fp->nb_antennas_rx + aarx][ch_offset],
N_RB_UL * NR_NB_SC_PER_RB));
if (rx_spatial_power[aatx][aarx] < 0) {
rx_spatial_power[aatx][aarx] = 0;
}
rx_power[aarx] += rx_spatial_power[aatx][aarx];
}
LOG_D(PHY, "[RNTI %04x] RX power in antenna %d = %d\n", ulsch->rnti, aarx, rx_power[aarx]);
rx_power_tot += rx_power[aarx];
}
rx_power_tot_dB = (unsigned short)dB_fixed(rx_power_tot);
rx_power_avg_dB = rx_power_tot_dB;
ulsch_measurements->wideband_cqi_tot = dB_fixed2(rx_power_tot, meas->n0_power_tot);
ulsch_measurements->rx_rssi_dBm =
rx_power_avg_dB + 30 - SQ15_SQUARED_NORM_FACTOR_DB - (rx_gain - rx_gain_offset) - dB_fixed(fp->ofdm_symbol_size);
LOG_D(PHY,
"[RNTI %04x] RSSI %d dBm/RE, RSSI (digital) %d dB (N_RB_UL %d), WBand CQI tot %d dB, N0 Power tot %d, RX Power tot %d\n",
ulsch->rnti,
ulsch_measurements->rx_rssi_dBm,
rx_power_avg_dB,
N_RB_UL,
ulsch_measurements->wideband_cqi_tot,
meas->n0_power_tot,
rx_power_tot);
}
openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h
-6
View File
@@ -59,12 +59,6 @@ void dump_nr_I0_stats(FILE *fd,PHY_VARS_gNB *gNB);
void gNB_I0_measurements(PHY_VARS_gNB *gNB, int slot, int first_symb, int num_symb, uint32_t rb_mask_ul[14][9]);
void nr_gnb_measurements(PHY_VARS_gNB *gNB,
NR_gNB_ULSCH_t *ulsch,
NR_gNB_PUSCH *pusch_vars,
unsigned char symbol,
uint8_t nrOfLayers);
int nr_est_timing_advance_srs(const NR_DL_FRAME_PARMS *frame_parms,
const c16_t srs_estimated_channel_time[][frame_parms->ofdm_symbol_size]);