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Reply To: Interference


12dB for the BCCH TRX
9dB for a non-BCCH TRX.

Those are mean values used for planning.

I don’t really understand your questions. Let’s say that for voice, the voice quality in EFR is degraded when C/I < 9dB, whichever the TRX. But the TRX that carries the BCCH is more sensitive, so it is recommended to ensure the C/I never goes < 12dB.