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testing with N310 4x4 eNB 20 MHz

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This commit is contained in:
Raymond Knopp
2021-01-27 21:03:47 +01:00
parent f04846cf4f
commit 89657f20e6
5 changed files with 61 additions and 55 deletions
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openair1/PHY/LTE_ESTIMATION/lte_adjust_sync_eNB.c
+2 -2
View File
@@ -121,8 +121,8 @@ int lte_est_timing_advance_pusch(LTE_DL_FRAME_PARMS *frame_parms,
int sync_pos = 0;//(frame_parms->ofdm_symbol_size-cyclic_shift*frame_parms->ofdm_symbol_size/12)%(frame_parms->ofdm_symbol_size);
AssertFatal(frame_parms->ofdm_symbol_size > 127,"frame_parms->ofdm_symbol_size %d<128\n",frame_parms->ofdm_symbol_size);
AssertFatal(frame_parms->nb_antennas_rx >0 && frame_parms->nb_antennas_rx<=NB_ANTENNAS_RX,"frame_parms->nb_antennas_rx %d not in [1...%d]\n",
frame_parms->nb_antennas_rx,NB_ANTENNAS_RX);
AssertFatal(frame_parms->nb_antennas_rx >0 && frame_parms->nb_antennas_rx<=4,"frame_parms->nb_antennas_rx %d not in [1...%d]\n",
frame_parms->nb_antennas_rx,4);
for (i = 0; i < frame_parms->ofdm_symbol_size; i++) {
temp = 0;
openair1/PHY/LTE_ESTIMATION/lte_eNB_measurements.c
+14 -15
View File
@@ -112,34 +112,33 @@ void lte_eNB_I0_measurements(PHY_VARS_eNB *eNB,
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
measurements->n0_subband_power[aarx][rb] = 0;
for (int s=0;s<(14-(frame_parms->Ncp<<1));s++) {
// select the 7th symbol in an uplink subframe
offset = offset0 + (s*frame_parms->ofdm_symbol_size);
ul_ch = &common_vars->rxdataF[aarx][offset];
len = 12;
offset = offset0 + (s*frame_parms->ofdm_symbol_size);
ul_ch = &common_vars->rxdataF[aarx][offset];
len = 12;
// just do first half of middle PRB for odd number of PRBs
if (((frame_parms->N_RB_UL&1) == 1) &&
(rb==(frame_parms->N_RB_UL>>1))) {
len=6;
}
if (((frame_parms->N_RB_UL&1) == 1) &&
(rb==(frame_parms->N_RB_UL>>1))) {
len=6;
}
AssertFatal(ul_ch, "RX signal buffer (freq) problem");
AssertFatal(ul_ch, "RX signal buffer (freq) problem");
measurements->n0_subband_power[aarx][rb] += signal_energy_nodc(ul_ch,len);
measurements->n0_subband_power[aarx][rb] += signal_energy_nodc(ul_ch,len);
}
} // symbol
measurements->n0_subband_power[aarx][rb]/=(14-(frame_parms->Ncp<<1));
measurements->n0_subband_power_dB[aarx][rb] = dB_fixed(measurements->n0_subband_power[aarx][rb]);
n0_power_tot += measurements->n0_subband_power[aarx][rb];
}
} //antenna
n0_power_tot/=frame_parms->nb_antennas_rx;
n0_power_tot2 += n0_power_tot;
measurements->n0_subband_power_tot_dB[rb] = dB_fixed(n0_power_tot/frame_parms->nb_antennas_rx);
measurements->n0_subband_power_tot_dB[rb] = dB_fixed(n0_power_tot);
measurements->n0_subband_power_tot_dBm[rb] = measurements->n0_subband_power_tot_dB[rb] - eNB->rx_total_gain_dB - dB_fixed(frame_parms->N_RB_UL);
}
}
} //rb not used in subframe
} //rb
if (nb_rb>0) measurements->n0_subband_power_avg_dB = dB_fixed(n0_power_tot2/nb_rb);
}