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paging concept

Viewing 7 posts - 1 through 7 (of 7 total)
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  • #42001 Reply
    kat
    Guest

    Hi all

    Can any one help me to understand the paging concept ?

    How paging is done? Does it start with the cell level, or with LAC level?

    Means when network starts paging, does it start with the cell where subscriber has done location update last time? Or does is start with the whole LAC where the subscriber is??

    And again if any one explain the case with the TMSI and IMSI pag/repag, I will be thank full to him/her

    -thanks in advance.

    kat

    #42002 Reply
    cybhert
    Guest

    The paging is always on LAC level .. yes it will start with the last LAC used by the subscriber..

    Thanks

    #42003 Reply
    kat
    Guest

    hi cybhert,

    thanks. can also please explain the TMSI / IMSI repagin. and may be VLR paging also if possible..

    means normaly how its configured in nw, how it affects the paging response and all…

    -thanks

    #42004 Reply
    Scot
    Guest

    I want to know abt FIRST PAGE AND SECOND PAGING.

    What is th tinmer used for these two.

    Rgds

    #42005 Reply
    jood
    Guest

    Hi cat & scot
    MSC/VLR send the paging to the whole LA which MS is in.(IMSI or TMSI),better by TMSI cuz it has small size (4TMSI in one paging block)
    IF no responce, MSC/VLR send 2th paging to the whole MSC area. better with IMSI (2IMSI in paging block). cuz MS may just crossing to new LA & its TMSI on VLR not change yet, or my be it powered on or connected to network in diff area & its TMSI not changed correctely, so cuz of all this the 2th paging must be with IMSI.
    furthermore there is two stage timer in MSC,one to trigger the 2th page after defined time from the 1st page, and other stage is expire timer to drop the call after its time from 2th page.
    regards.

    #42006 Reply
    kat
    Guest

    thanks jood.

    regards.

    #42007 Reply
    prashant
    Guest

    I want to apply paging concept

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