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Thread: LTE GAP measurement Stop via A2 or A1 ?

  1. #1
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    Question LTE GAP measurement Stop via A2 or A1 ?

    Dears,

    it’s clear that, for LTE, Event A2 will trigger the GAP measurement when reported.

    However, I am confused about how the UE will exit the GAP measurement if the serving cell is getting better. Is that by:

    - Leaving A2 condition: Ms - Hys > A3InterFreqHoA2ThdRsrp

    Or

    - Entering A1 condition: Ms - Hys > A3InterFreqHoA1ThdRsrp


    BR,
    Fahmi
    Last edited by fahmi; 2017-11-20 at 10:06 PM

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  3. #2
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    Default Re: LTE GAP measurement Stop via A2 or A1 ?

    It depends on the vendor implementation, but typically A1.

    From 3GPP point of view, you can report an event when the condition is met, and/or it is no longer met (leaving condition). So for example, if a vendor decide to use the entering condition of A2 to trigger measurements, it could also use the leaving condition to stop measurements.

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