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BSIC decoding

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  • #52192 Reply

    Good day to all.
    I have a question about BCCH-BSIC decoding in busy mode.Can it be that MS decodes BSIC incorectlly so that HO access burst are sent to improper candidate?

    #52193 Reply

    i might be wrong, but i think the bsic has to be decoded at least every 30s for each neighbor.

    Assumptions :
    If there is serving cell with adjacencies including target 1 (bcch=10, bsic=00) and target 2(bcch=10, bsic=02)

    If the MS measures target 1 but decodes bsic=00 as bsic=02

    If the target 1 is the best candidate for the next HO

    Then in this case, the BSC will actually command a HO towards target 2.

    IT’s a lot of “if”, but it is possible. Now, how come a MS would misdecode a BSIC ? I think this can occur in case of very bad interference on target 1’s BCCH.


    #52194 Reply
    Da Architect

    MS doesn’t decode wrongfully the BSIC in busy mode. HO access burst are sent to improper candidate when you have wrong BSIC plan.


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