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Commit 5f0e2e74 authored by Raymond Knopp's avatar Raymond Knopp
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minor changes in SNR/noise computation for ulsch

parent dc2182cf
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Showing with 11 additions and 7 deletions
openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c
View file @ 5f0e2e74
...@@ -1218,16 +1218,20 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB, ...@@ -1218,16 +1218,20 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB,
rel15_ul); rel15_ul);
nr_gnb_measurements(gNB, ulsch_id, harq_pid, symbol); nr_gnb_measurements(gNB, ulsch_id, harq_pid, symbol);
int num_symb = rel15_ul->nr_of_symbols;
for (aarx = 0; aarx < frame_parms->nb_antennas_rx; aarx++) { for (aarx = 0; aarx < frame_parms->nb_antennas_rx; aarx++) {
gNB->pusch_vars[ulsch_id]->ulsch_power[aarx] = signal_energy_nodc(&gNB->pusch_vars[ulsch_id]->ul_ch_estimates[aarx][symbol*frame_parms->ofdm_symbol_size], if (symbol == rel15_ul->start_symbol_index) {
rel15_ul->rb_size*12); gNB->pusch_vars[ulsch_id]->ulsch_power[aarx]=0;
LOG_D(PHY,"ulsch_power[%d] symbol %d %f (%p)\n",aarx,symbol,dB_fixed_x10( gNB->pusch_vars[ulsch_id]->ulsch_power[aarx])/10.0,
&gNB->pusch_vars[ulsch_id]->ul_ch_estimates[aarx][symbol*frame_parms->ofdm_symbol_size]);
if (gNB->pusch_vars[ulsch_id]->ulsch_power[aarx]==1) return (1);
gNB->pusch_vars[ulsch_id]->ulsch_noise_power[aarx]=0; gNB->pusch_vars[ulsch_id]->ulsch_noise_power[aarx]=0;
for (int rb=0;rb<rel15_ul->rb_size;rb++) }
gNB->pusch_vars[ulsch_id]->ulsch_noise_power[aarx]+=gNB->measurements.n0_subband_power[aarx][rel15_ul->bwp_start+rel15_ul->rb_start+rb]/rel15_ul->rb_size; gNB->pusch_vars[ulsch_id]->ulsch_power[aarx] += signal_energy_nodc(&gNB->pusch_vars[ulsch_id]->ul_ch_estimates[aarx][symbol*frame_parms->ofdm_symbol_size],
rel15_ul->rb_size*12)/num_symb;
if (gNB->pusch_vars[ulsch_id]->ulsch_power[aarx]==1) return (1);
for (int rb=0;rb<rel15_ul->rb_size;rb++) {
printf("aarx %d symbol %d, rb %d => %d\n",aarx,symbol,rb,dB_fixed(gNB->measurements.n0_subband_power[aarx][rel15_ul->bwp_start+rel15_ul->rb_start+rb]));
gNB->pusch_vars[ulsch_id]->ulsch_noise_power[aarx]+=gNB->measurements.n0_subband_power[aarx][rel15_ul->bwp_start+rel15_ul->rb_start+rb]/rel15_ul->rb_size/num_symb;
}
} }
} }
stop_meas(&gNB->ulsch_channel_estimation_stats); stop_meas(&gNB->ulsch_channel_estimation_stats);
......
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