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SDCCH ASSIGNEMENT FAIL

Viewing 12 posts - 1 through 12 (of 12 total)
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  • #37791 Reply
    artiste
    Guest

    I have some BTS using Abis by satellite and they present an SDCCH Assignement fail arround 50%.can you tell me what is the solution for this problem
    Thks

    #37792 Reply
    Scot
    Guest

    Where in IRAQ ?

    Rgds

    #37793 Reply
    artiste
    Guest

    no, in mars.
    i am not jocking.

    #37794 Reply
    Vijay
    Guest

    This might be due to some timer values are not proper.

    #37795 Reply
    artiste
    Guest

    hi vijay,
    i have the BSC timer T3101=3s. I made a test with value 5s and it was’nt the solution.i think it must be a problem delay of satellite transmission.

    thks

    #37796 Reply
    Juli
    Guest

    There is a delay in satellite transmission which causes the hi values of SDCCH Access failure rate. This is acceptable and mostly there is no great impact on the subscriber

    Thanks

    #37797 Reply
    Nekea
    Guest

    Confirm also whether Timer_T3109 for the BSC is 30s and not the default 12s.

    #37798 Reply
    frededrick mbogo
    Guest

    am so much interested in topic what is IRAQ. WE ARE EXPERIENCING THE SAME PROBLEM.

    #37799 Reply
    Scot
    Guest

    Hi artiste….I was not joking…

    Some BTS in IRAQ Working through Satellite.They belongs to some adjacent countries.

    Like extended coverage.

    I dont know the exact setup.

    Rgds

    SCOT

    #37800 Reply
    Partha
    Guest

    Check AEC Document in NED.May be some delay should be set in Transcoder

    #37801 Reply
    NikGSM
    Guest

    I have encountered the same problem.Does anyone have it or has solved it?What can be the reason of high SDCCH Ass Fail besides low signal and bad quality?

    #37802 Reply
    Pix
    Guest

    I’m using Abis over satellite and experiencing also high sdcch assign failure (> 50%) : this is normal and will NOT impact the subscribers.

    Yet, I have no idea why it is hapenning. I did Abis traces and thorough qos analysis, but can’t see nothing wrong.

Viewing 12 posts - 1 through 12 (of 12 total)
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