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TCH Drop

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  • #45963 Reply
    Ran
    Guest

    Hi All,

    I’m working on a Nokia based GSM-1800 N/W and facing problem with high TCH drop. There is no problem with my H/W or Quality. Can someone tell me what should i look so that i can improve the situation

    #45964 Reply
    yogesh_rf
    Guest

    hi Ran,
    kindly check for BAD radio parameters(Rx lev,Rx qual,etc.) on cell boundry,interference and congestion(TCH)and also if the problem persists check for timeslot too.

    BR//
    yogesh_rf

    #45965 Reply
    Pix
    Guest

    Ran,

    There must be a problem in the quality or the signal. There is a call drop if the BTS doesn’t receive a radio signal from the mobile for about 8 seconds (depending on your parameters settings).

    Check the Radio Link Time Out value, and if it is set to > 16 SACCH.

    Check also the cause of the TCH drop (radio ? handover ? internal failure ? transmission (abis) ? … etc … )

    #45966 Reply
    treejar
    Guest

    hello yogesh_rf; you answered the message of Ran by saying that if: . I would like to know what there is to check on the level of the timeslot. thank you to answer me. try to understand me because i speak French.

    #45967 Reply
    Indranil Ghosh.
    Guest

    Hello,

    Will wrong LAPD terminal number in perticular DRX cause call drop?
    Pls answer….

Viewing 5 posts - 1 through 5 (of 5 total)
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