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Thread: High TCH blocking without TCH congestion

  1. #1
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    Default High TCH blocking without TCH congestion

    Hi,

    I have some cells suffering from high BCR (block call rate) but no TCH congestion (there are enough available resources) and indeed TCH congestion is equal to zero.

    What can I check to find the root of this high BCR?

    Thanks & BR

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  3. #2
    Member Reputation: 163
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    Default Re: High TCH blocking without TCH congestion

    Hi;

    did you check the SDCCH capacity agains the number of calls?

  4. #3
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    Default Re: High TCH blocking without TCH congestion

    Thanks.

    Yes I heve SD and TCH resources enough. But I have a lot of TCH BLOCKS, but any of them is due to congestion (due to busy TCH).

    There is any counter in Huawei that tell us the cause of a TCH block (apart from congestion or busy TCH):

    Thx

  5. #4
    Member Reputation: 163
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    Default Re: High TCH blocking without TCH congestion

    Hi;

    in this case, most of your ressources are used for GPRS/EGPRS, check your network PS/CS allocation priority, on demand PDCH percentage, and PS preemption.

    B.R

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