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MFRMS

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  • #48317 Reply
    Multiframed
    Guest

    Hi, what is impact of reducing or increasing the MFRMS parameter (number of multiframes) for a cell on paging performance. has it anything to do with the BTS queuing etc??

    #48318 Reply
    INDRANIL
    Guest

    Increasing MFRMS(no. of Multiframes between paging), will summon no. of paging groups increasing that’ll create delay in call set-up time as Mobile has to wait for paging group for long time.[formul for No. of paging group N:=(9-noofblocksforAccessGrant)*MFRMS[for non-BCCH combined].
    Paging group N:(IMSI mod 1000)mod N.//that means N is proportional
    MFRMS].
    if MFRMS decreases no. of paging group will decrease & then no. of IMSI in one paging group will increase.Increasing MFRMS will also reduce cell reselection sensitivity but saves lot of battery power of MS.

    cheers//

    #48319 Reply
    Salvador
    Guest

    what is the impact of having different paging groups in one single LAC?

    example:
    In LAC = 100

    I have 33 cells such that 18 cells having AG_Blocks = 3 and MFRS = 4,
    while the next 12 cells
    having AG_Blocks = 2 and MFRS = 4
    and 3 cells having AG_Blocks = 2 and MFRS = 5.

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