mirror of https://github.com/PentHertz/srsLTE.git
UE dicards NR CFO measurement if SNR is negative
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@ -497,10 +497,16 @@ public:
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measurements.K_csi_rs = K_csi_rs;
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measurements.K_csi_rs = K_csi_rs;
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new_nzp_csi_rs_channel_measurement(measurements, resource_set_id);
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new_nzp_csi_rs_channel_measurement(measurements, resource_set_id);
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// Update tracking information
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trs_measurements_mutex.lock();
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trs_measurements_mutex.lock();
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trs_measurements.rsrp_dB = SRSRAN_VEC_SAFE_EMA(new_meas.rsrp_dB, trs_measurements.rsrp_dB, args.trs_epre_ema_alpha);
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trs_measurements.rsrp_dB = SRSRAN_VEC_SAFE_EMA(new_meas.rsrp_dB, trs_measurements.rsrp_dB, args.trs_epre_ema_alpha);
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trs_measurements.epre_dB = SRSRAN_VEC_SAFE_EMA(new_meas.epre_dB, trs_measurements.epre_dB, args.trs_rsrp_ema_alpha);
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trs_measurements.epre_dB = SRSRAN_VEC_SAFE_EMA(new_meas.epre_dB, trs_measurements.epre_dB, args.trs_rsrp_ema_alpha);
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trs_measurements.cfo_hz = SRSRAN_VEC_SAFE_EMA(new_meas.cfo_hz, trs_measurements.cfo_hz, args.trs_cfo_ema_alpha);
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// Consider CFO measurement invalid if the SNR is negative. In this case, set CFO to 0.
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if (trs_measurements.snr_dB > 0.0f) {
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trs_measurements.cfo_hz = SRSRAN_VEC_SAFE_EMA(new_meas.cfo_hz, trs_measurements.cfo_hz, args.trs_cfo_ema_alpha);
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} else {
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trs_measurements.cfo_hz = 0.0f;
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}
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trs_measurements.nof_re++;
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trs_measurements.nof_re++;
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trs_measurements_mutex.unlock();
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trs_measurements_mutex.unlock();
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}
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}
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