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MAX_PDCH & MIN_PDCH

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  • #68492 Reply
    Andre Carlos
    Guest

    Hi Friends,

    we were observing TCH congestion on 02 cells and problem resolved by reducing MAX_PDCH & MIN_PDCH Values.

    Can any one help to understand why MAX_PDCH causing TCH Congestion.? Below are values that were tuned.

    Old MAX_PDCH=37, New MAX_PDCH=10

    old min_pdch=3, new min_pdch=1

    #68493 Reply
    Andre Carlos
    Guest

    Vendour is ALU with B-11 Release

    #68494 Reply
    pix
    Guest

    the most important paramethater is MAX PDCH HIGH LOAD !

    The parameters that can cause TCH Congestion are:
    MAX PDCH HIGH LOAD
    MIN PDCH

    The Max PDCH can be set to a high value, that should not generate TCH Congestion. Indeed, all PDCH located within MAX PDCH HIGH LOAD and MAX PDCH can be quickly preempted by TCH.

    Are you talking about TCH NA Congestion, or TCH HO Congestion ?
    TCH HO Congestion might be increased when MAX PDCH is high, but i don’t think so. I’m not sure.

    Regards,
    pix

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