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Merge remote-tracking branch 'origin/fix_rsrp_overflow' into integration_2026_w05 (!3823)

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Fix RSRP overflow

If UE L1 measure an RSRP = 0 it would report to L2 and RSRP value of -INT_MAX
dBm causing overflow in the qsort to determine the best RSRPs
This commit is contained in:
Jaroslava Fiedlerova
2026-01-26 11:46:41 +01:00
parent 7c64fe0f60 6b5cb9a69c
commit b68b42c6e8
1 changed files with 6 additions and 3 deletions
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openair1/PHY/NR_UE_ESTIMATION/nr_ue_measurements.c
+6 -3
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@@ -244,9 +244,12 @@ void nr_ue_ssb_rsrp_measurements(PHY_VARS_NR_UE *ue,
openair0_config_t *cfg0 = &ue->openair0_cfg[0];
ue->measurements.ssb_rsrp_dBm[ssb_index] = rsrp_db_per_re + 30 - SQ15_SQUARED_NORM_FACTOR_DB
- ((int)cfg0->rx_gain[0] - (int)cfg0->rx_gain_offset[0])
- dB_fixed(fp->ofdm_symbol_size);
if (rsrp_avg == 0)
ue->measurements.ssb_rsrp_dBm[ssb_index] = -200; // lower than any value to be reported per Table 10.1.6.1-1 of 38.133
else
ue->measurements.ssb_rsrp_dBm[ssb_index] = rsrp_db_per_re + 30 - SQ15_SQUARED_NORM_FACTOR_DB
- ((int)cfg0->rx_gain[0] - (int)cfg0->rx_gain_offset[0])
- dB_fixed(fp->ofdm_symbol_size);
// to obtain non-integer dB value with a resoluion of 0.5dB
uint32_t signal_pwr = rsrp_avg > ue->measurements.n0_power_avg ? rsrp_avg - ue->measurements.n0_power_avg : 0;