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high TCH cong. with low Erlang

Viewing 9 posts - 1 through 9 (of 9 total)
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  • #61135 Reply
    natasha
    Guest

    hello guys

    how r u all ?
    i have a question about some cells in my network have high TCH cong. with low erlang. wat could be the reason ?

    and how can we solve it ?

    my vendor is ericsson.

    thanks in advance

    #61136 Reply
    pawandeep
    Guest

    hi……..!!!!
    kindly check the TCH availability,
    then check the devices in A-ter interface….

    #61137 Reply
    natasha
    Guest

    dear pawan

    the TCH AVAIL =100% but i didn’t got the A-TER interface meaning

    wat u mean ??

    #61138 Reply
    Joshi
    Guest

    Hi,
    Natasha,
    A-ter Interface—- is the Interface btwn BTS and BSC.

    #61139 Reply
    natasha
    Guest

    how can i check it pls ??

    #61140 Reply
    Joshi
    Guest

    Hi Natasha,
    Sorry its interface btwn Bsc and Msc:)) R U facing problem in single Cell or in a group of cell.
    If in one cell: 1. try to increase Signaliing link(packet Pipe)2. HW problem in BTS(TRX).

    If Many BTS: A Ter interface HW problem in BSC.

    #61141 Reply
    Mlai
    Guest

    Hi Natash,
    I would like to give a small help in this issue.
    Pls check A-bis interface BSC MSC the configuration of it,because some times when in A-bis are configured more dev per EGPRS it happened to have cong in that site.

    thanks,

    #61142 Reply
    pawandeep
    Guest

    Dear Natasha,
    since u are working on Ericsson system……
    u can easily find A-ter interface report.
    agree with mlai,also check A-bis path.
    if possible give more clear picture of the issue u are facing…such as….
    1.Tch blocking
    2.H/w is ok….

    #61143 Reply
    karan_ghai2001@yahoo.com
    Guest

    Hi,
    FYI,A-ter is the interface between bsc and the transcoder.Do the following for high TCH cong-Is frequency and hopping plan proper?NO
    Remove all co-channel &
    possible adj-channels. Ensure proper MAL, MAIO & MS settings.YES-1-Check TCH drop due to transcoder failure. If the tch_tr counter is high for a specific cell then check its time slot mapping. And if it is high for a no. of cells then check the health of transmission media.2-Are All Neighbors properly defined.NO-Define all the relevant cells as neighbors. Rectify all one way neighbor definitions.YES-Check if NCC,BCC, BCCH, LAC & Sync are correctly defined.HOPe u get it.

Viewing 9 posts - 1 through 9 (of 9 total)
Reply To: high TCH cong. with low Erlang
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