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CH CONGESTION IN CELL ABOVE DEFINED THRE

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  • #50600 Reply
    Dule
    Guest

    1.CH CONGESTION IN CELL ABOVE DEFINED THRESHOLD
    2.CHANNEL FAILURE RATE ABOVE DEFINED THRESHOLD
    3.EXCESSIVE TCH INTERFERENCE
    4.TRAFFIC CHANNEL ACTIVATION FAILURE

    WHAT IS THE SOLUTION TO ABOVE PROBLEMS IN S12 NOKIA.

    Thanks
    D

    #50601 Reply
    Bhanu
    Guest

    CHECK If EXCESSIVE TCH INTERFERENCE ALARM IS ON ALL THE TRX, IF YES CHANGE BOI CARD, IF ONLY ON ONE TRX, I THINK IT SHOULD BE ON BCCH TRX, CHANGE THE BCCH.

    #50602 Reply
    patrick.fr
    Guest

    1. Congestion:
    too many com => Add TRX

    2. Channel failure:
    check TRX, BB2x, copler and feeder

    3.excessice interference:
    change TRX or BB2x

    4.traffic channel
    change TRX or BB2x

    #50603 Reply
    patrick.fr
    Guest

    I told you a mistake about 4.Traffic channel

    Traffic channel is a bad declaration of sdcch.

    example:

    with 1 TRX, you declare MBCCHC (C=combined=1 TS for SDCCH and MBCCH)
    with 2 TRX, you declare MBCCH (1 TS for BCHH and 1 TS for SDCCH)

    If you declare MBCCHC with 2TRX then you have alarm Traffic channel activation failure.

    #50604 Reply
    Dule
    Guest

    7725 TRAFFIC CHANNEL ACTIVATION FAILURE
    02

    We have this alarm on GP channel.
    “2” indicates “PDTCH” (Packet Data Traffic TCH).

    We are using 0-TS for BCCH and TS-1 for SDCCH.

    Thx

    #50605 Reply
    X Dennis Michael
    Guest

    Hi Mr. Patrick.fr
    I am having a doubt. Is it possible for a sector having two BCCH TRX as you said. I can’t understant.
    ” with 1 TRX, you declare MBCCHC (C=combined=1 TS for SDCCH and MBCCH)
    with 2 TRX, you declare MBCCH (1 TS for BCHH and 1 TS for SDCCH)”

    #50606 Reply
    kapil
    Guest

    what is the solution of TRAFFIC CHANNEL ACTIVATION FAILURE

    #50607 Reply
    Mak
    Guest

    IN Nokia system Traffic channel Activation failure is major alarm on Trx Level and Time Slot level. We have find out some ways to resolve this issue.

    1. Check your Trx or Timeslots.
    2. Check your E1 configuration against Trx.
    3.Check your MO ans MS.
    4.check your BCC and TSC. if your BCC and TSC are not same. Then might be possible this alarm can be generate.

    #50608 Reply
    mahendra
    Guest

    CHANNEL FAILURE RATE ABOVE DEFINED THRESHOLD
    ALARM DESCRIPTION =

    02 00 01 00 00 00 00 00 00 01 01 94d
    plz tell me whats the meaning

    #50609 Reply
    subrat
    Guest

    In our network we are facing excessive TCH interference alarm in all most all the sites. While using the spectrum analyzer, we found the high interference in high AMSL. If someone can let me know how to resolve the issue.

    Note: We find the high interference in high AMSL whenever there is alarm in BSC

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