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OpenXG-RAN
Commit e026e201 authored by Roberto Louro Magueta's avatar Roberto Louro Magueta
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Avoid division by 0 for low noise scenario

parent 4e434ecf
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Showing with 2 additions and 2 deletions
openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
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...@@ -1174,8 +1174,8 @@ int nr_srs_channel_estimation(const PHY_VARS_gNB *gNB, ...@@ -1174,8 +1174,8 @@ int nr_srs_channel_estimation(const PHY_VARS_gNB *gNB,
} }
} }
*noise_power = calc_power(noise_real,frame_parms->nb_antennas_rx*nr_srs_info->sc_list_length) *noise_power = max(calc_power(noise_real,frame_parms->nb_antennas_rx*nr_srs_info->sc_list_length)
+ calc_power(noise_imag,frame_parms->nb_antennas_rx*nr_srs_info->sc_list_length); + calc_power(noise_imag,frame_parms->nb_antennas_rx*nr_srs_info->sc_list_length), 1);
*snr = dB_fixed((int32_t)((*signal_power<<factor_bits)/(*noise_power))) - factor_dB; *snr = dB_fixed((int32_t)((*signal_power<<factor_bits)/(*noise_power))) - factor_dB;
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