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SDCCH

Viewing 15 posts - 1 through 15 (of 31 total)
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  • #36282 Reply
    Fabio
    Guest

    How to dimension SDCCH channel in a network with an high load of SMS and Location Update?

    #36283 Reply
    Jernej
    Guest

    It depend on hove many TRX’s do you have in a cell. If You have two then it is recomended to create 2 TS in a cell, but also you have to have on TRX0 TS0 BCCH whole for him self ( not combined with SDCCH, because of AGCH, PCH and RACH ). Be careful not to take TS if you need it for speech or data.

    #36284 Reply
    Fabio
    Guest

    Thanks Jernej, I knew this empirical rule but I’m looking for a theoretical rule. I mean: to dimension SDCCH we use Erlang B with B=0.2% but I’m not sure that it’s correct. An other question: how to reduce load drop on SDCCH?

    #36285 Reply
    Nguyen
    Guest

    I have written a tool for SDCCH dimensioning. The number of SDCCH in a cell will be calculated from these input parameters:

    + Number of TRX.
    + Ratio of Location update to calls
    + Ratio of SMS to calls
    + Blocking probability for SDCCH
    + Blocking probability for TCH
    + etc.

    The theoretical rule is complex. If you are interested in this tool, give your email.

    Nguyen

    #36286 Reply
    Jernej
    Guest

    Hy Nguyen

    I am interested in your tool too.
    I would appreciate if you send me an email regarding it. Thanx

    jernej.skubic@simobil.si

    #36287 Reply
    Nguyen
    Guest

    OK, I have sent it to you. Plz give it a try and give your opinion.

    #36288 Reply
    Fabio
    Guest

    I’m interested. My email is

    g_fabio70@yahoo.it

    Thanks Nguyen

    #36289 Reply
    Nguyen
    Guest

    Fabio, plz check yr mail.

    #36290 Reply
    Neeraj Gupta
    Guest

    Dear Nguyan,

    Pl send me the tool also.

    Rgds

    My email is :

    neerajgupta23@hotmail.com

    #36291 Reply
    Nguyen
    Guest

    hi
    i’ve sent it to you

    #36292 Reply
    Sudhir
    Guest

    Hi Nguyen,

    I am a RF engineer working for one of the operator, i would appreciate if you can forward me your SDCCH dimensioning tool.

    Thanking you in advance.

    #36293 Reply
    Sudhir
    Guest

    Hi Nguyen,

    My email Address is:

    amin_sudhir@Hotmail.com

    #36294 Reply
    mbogo
    Guest

    iam also interested send me too
    fmbogo@celtel.co.tz

    #36295 Reply
    sheetanshu
    Guest

    Hi Nguyen,
    Can you send me the tool too. Thanks

    sheetanshu_yadav@hotmail.com

    #36296 Reply
    Monika
    Guest

    Hi Nguyen,

    Its really interesting.I am also a RF engineer.Pl do fwd me ur TOOL too.
    mail id
    monika_mkp@rediffmail.com
    Thanks and regards

Viewing 15 posts - 1 through 15 (of 31 total)
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