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path balance

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  • #59514 Reply
    fresher
    Guest

    can any body help me to clear what is path blance in motorola and what the value -110 and -105 means in path balance report in motorola

    #59515 Reply
    Main Zandu
    Guest

    Path balance terminology is global term & not vendor Restricted

    IN SIMPLE LANGUAGE
    “The link balance between UL & DL on Um interface”

    Formula:-
    Path Balance= Path loss+ 110

    Where,
    path loss = UL Path Loss-DL Path Loss

    (1)UL Path loss =Actual MS TX power- Rxlev_UL
    (2)DL Path Loss =Actual BTS TX Power- Rx Lev_DL

    Examlple:-
    If PB report pegs 120 or more then problem with RX PATH having high UL Path Loss

    IF PB report pegs 100 or less then problem with TX PATH having high DL Path Loss

    Path loss of + or – 6 is OK which ranges to -104 to -116 dbm

    NOW ANSWER TO YOUR QUESTION “what the value -110 and -105 means in path balance report in motorola” is

    -110 means very good balanced radio path having no path loss

    -105 means slighly more DL path loss with TX path needs to be chk.

    Please revert for any more query.

    I think u r in LOOP MUMBAI N/W RF guy??? Is it…

    #59516 Reply
    fresher
    Guest

    thanks for this information

    #59517 Reply
    Baig
    Guest

    Isn’t the path balance criteria a vendor dependent parameter?

    #59518 Reply
    Bijoy
    Guest

    Path Balance is vendor independent for sure.
    What varies is the Network element losses/sensitivity like combiner loss,antenna gain,TMA,duplexer loss,frequency band in use,etc etc and so the path imbalance tolerance limit

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