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• File src/gprs_rlcmac_sched.cpp:

  • Patch Set #1, Line 486: * way we help BTS energy saving (on TRX!=C0) by sending nothing

    That makes more sense now, so when we can safely assume that nobody is listening, then we skip the i […]

    IIRC you can only decrease a given number of dBm at specific points in time, it's specified somewhere in the specs, we have that implemented in osmo-bts. At least for C0, others may be able to transmit nothing. Hence why it's fine sending nothing in general for TRX!=0 no matter whether the BTS supports it, but for TRX0 we really need to transmit something in time (and that's done by BTS or PCU depending on what the bts supports atPCUIF/lower layer level).

    
    I think it's also meant to avoid/lower radio interference/noise.

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