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srsRAN_4G
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Limit DMRS PUCCH SNR to void NAN/INF

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master
Xavier Arteaga 3 years ago committed by Xavier Arteaga
parent d783fbf3a0
commit 6a9baef11d
1 changed files with 2 additions and 2 deletions
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4
lib/src/phy/ch_estimation/dmrs_pucch.c
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@ -238,7 +238,7 @@ int srsran_dmrs_pucch_format1_estimate(const srsran_pucch_nr_t* q,
res->rsrp_dBfs = srsran_convert_power_to_dB(rsrp); res->rsrp_dBfs = srsran_convert_power_to_dB(rsrp);
res->epre = epre; res->epre = epre;
res->epre_dBfs = srsran_convert_power_to_dB(epre); res->epre_dBfs = srsran_convert_power_to_dB(epre);
res->noise_estimate = epre - rsrp; res->noise_estimate = SRSRAN_MAX(epre - rsrp, 1e-6f);
res->noise_estimate_dbm = srsran_convert_power_to_dB(res->noise_estimate); res->noise_estimate_dbm = srsran_convert_power_to_dB(res->noise_estimate);
res->snr = rsrp / res->noise_estimate; res->snr = rsrp / res->noise_estimate;
res->snr_db = srsran_convert_power_to_dB(res->snr); res->snr_db = srsran_convert_power_to_dB(res->snr);
@ -398,7 +398,7 @@ int srsran_dmrs_pucch_format2_estimate(const srsran_pucch_nr_t* q,
res->rsrp_dBfs = srsran_convert_power_to_dB(rsrp); res->rsrp_dBfs = srsran_convert_power_to_dB(rsrp);
res->epre = epre; res->epre = epre;
res->epre_dBfs = srsran_convert_power_to_dB(epre); res->epre_dBfs = srsran_convert_power_to_dB(epre);
res->noise_estimate = epre - rsrp; res->noise_estimate = SRSRAN_MAX(epre - rsrp, 1e-6f);
res->noise_estimate_dbm = srsran_convert_power_to_dB(res->noise_estimate); res->noise_estimate_dbm = srsran_convert_power_to_dB(res->noise_estimate);
res->snr = rsrp / res->noise_estimate; res->snr = rsrp / res->noise_estimate;
res->snr_db = srsran_convert_power_to_dB(res->snr); res->snr_db = srsran_convert_power_to_dB(res->snr);

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