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SD Drop Issues

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  • #63116 Reply

    What can be possibles reasons that can increase the SD drop on Ericsson.
    SD drop due to other is the most elevate.

    #63117 Reply
    varun sharma

    Hi SAD,
    There are many reason of SD drop in network:-

    1)Poor converage
    2)Over shooting
    3)Interference in network(co-channel or adjacent channel)
    4)Abis link failure.

    #63118 Reply
    Shanker Kanaka

    •A bis failure
    •Path unbalance between DL/UL caused by difference in sensitivity between BTS & MS. (MS- 102dbm, BTS-104 dbm)
    •Co-BCCH Frequency and BSIC in the nearby BTS Cells in a Coverage area.
    •SDCCH defined on TRX having poor path loss.
    •High Interference level.
    •High SD congestion.
    •Greater Rx level access min.
    •Due to heavy location updates on the cell.
    •Hardware Issues.
    to Reduce the SD drop we have to concentrate on the above

    #63119 Reply

    hello i need your in RF optimization in ericsson bts.i have some query in sd drop &tch question is in many site have high sd drop &tch drop but traffic is very low in all sites.

    if any one have time to you give me your remarkable solution of my query.


Viewing 4 posts - 1 through 4 (of 4 total)
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