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Radio link Timeout

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  • #51956 Reply
    slim
    Guest

    Hello Pix

    Please, I have a question.
    There’s in the BTS a counter named RADIO_LINK_TimeOut which is decremented by one every non decoded SACCH and incremented by 2 every decoded SACCH.
    if S reaches 0 it means there’s Radio link failure and BTS asks the BSC to release the ressource.

    In the other case , there is the same mechanism in the mobile .I mean a counter for radio link supervision.
    My question is how the mobile increment/decrement the initial value of its counter?

    #51957 Reply
    pix
    Guest

    in the same way :
    the SACCH in downlink is decoded by the MS –> counter +2
    the SACCH in downlink is decoded by the MS –> counter -1

    FYI, the SACCH in downlink contains system information message, timing advance information and power control commands.

    #51958 Reply
    slim
    Guest

    but the SACCH is only in UL.I mean from MS to BTS
    What type of message sent from the BTS to the MS?

    #51959 Reply
    pix
    Guest

    slim : downlink means from BTS to MS ………………….

    read again my first post 🙂

    #51960 Reply
    slim
    Guest

    Oh yes, I have not well read your first answer.
    Thanks a lot for the help

    #51961 Reply
    Moh’d
    Guest

    Dear Pix
    could you please help me about these(in Siemens Vendor) :
    TCH Drop Rate due to Quality
    TCH Drop Rate due to Level
    .
    .
    .
    .
    etc

    your cooperation high appreciated
    Thanks in advance

    #51962 Reply
    Atess
    Guest

    Hallo Pix
    yah I need also these counters if you have it
    TCH Drop Rate due to Quality
    TCH Drop Rate due to Level
    .
    .
    .
    .
    etc

    your cooperation high appreciated
    Thanks for your cooperation

    #51963 Reply
    pix
    Guest

    hallo,

    what do you want exactly ?

    #51964 Reply
    Moh’d
    Guest

    Dear Pix
    I need what the counters in siemens related to these couses

    #51965 Reply
    pix
    Guest

    the counter reference ? i never worked with siemens… i can’t help you, sorry…

    #51966 Reply
    syed abdul salam
    Guest

    dear pix

    i want know about radio link time out,what,where,when,and why is used?

    thank u
    best regards

    #51967 Reply
    syed abdul salam
    Guest

    Dear pix,

    I just wanted to how RF planning is done an overveiw and little bit of details about it.

    thank u
    best regards

    #51968 Reply
    Shwetha
    Guest

    What is a Radil Link Time out, Why is it used , What is its advantages.

    #51969 Reply
    krish
    Guest

    Hi,

    radio link timeout RLT IS (SACCH )DECREASED DUE TO INETERFERENCE ,BAD QUALITY AND IT WILL BE DECREMENTED BY 1 AND MEASUREMENT WILL GO THR IT WILL BE INCREMENTED BY 1 ITS MAX VALUE IS 64

    #51970 Reply
    Pix
    Guest

    Go to the bottom of this page, click on “next 10” and read the two first posts of this thread. There is your answer.
    ooo, so far away…

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