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Path Balance

Viewing 10 posts - 1 through 10 (of 10 total)
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  • #47044 Reply
    Ayman
    Guest

    Dears,
    I found Path Balance = 0 (in one RTF at motorola BTS).

    What is this mean?
    or its an error in statistics?

    #47045 Reply
    Pix
    Guest

    Hello Ayman,

    How is calculated your path balance ? Normally if path balance = 0, it means your cell is perfectly balanced 🙂 so it’s all good.

    Regards,
    Pix

    #47046 Reply
    Ayman
    Guest

    Hi Pix,

    But its not good cell.

    We calculate Path Balance as the following:

    path balance = path loss + 110
    path loss = uplink path loss – downlink path loss
    where:
    uplink path loss = actual MS txpower – rxlev_ul(in BTS)
    downlink path loss = actual BTS txpower – rxlev_dl(in MS)

    so if the loss =0 that means Path Balance = 110 ~(V.good cell)

    #47047 Reply
    Pix
    Guest

    Ok, that’s a weird computation… So it means the mobiles in this cell are receiving a very very weak RXLEV DL. Which means that your cell is sending a very weak signal.

    I suspect a transmission power very low. Swap your TRE and your ANC with new equipments, and check if the TX power is back.

    #47048 Reply
    ameer
    Guest

    We know that if this RTF is defined as BCCH and SDCCH AND switchable (SDCCH or TCH) the path balance = 0 .
    with other words path balance is calculated only on TCH channel
    is this correct? please I want more details about this.

    #47049 Reply
    Pix
    Guest

    Path balance can also be computed on a SDCCH timeslot as well as on a TCH timeslot. but i’m not sure i understand your question, actually.

    #47050 Reply
    NarChai
    Guest

    Hi Pix
    Motorola no TRE and ANC hardware just kiding:)

    #47051 Reply
    Arpan
    Guest

    Dear Ayman

    Zero path Balance in Motorola means
    ur DRI is not Transmitting…
    Firstly give it Hard Reset, if path
    balance is not OK then replace the DRI….

    Also check if the other DRI on the
    same feeder is having good path
    balance; if not then check the feeder…

    Rgds
    Arpan

    #47052 Reply
    ahmad
    Guest

    Arpan

    a DRI has 0 path balance if its either not transmitting or not carrying calls, in either ways reset the radio or better swap it and try again

    if the same RTF still does not carry calls or has path balance value of 0 and the cell has low traffic; then maybe that RTF has a higher interference value or it has higher channel allocation priority

    #47053 Reply
    HuNi
    Guest

    Ayman

    Is PB for this RTF=0 in all 48 intervals?

Viewing 10 posts - 1 through 10 (of 10 total)
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