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ho fail from one sector to another

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  • #59191 Reply

    in some of my cells handover from one sector to another in same site became fail.almost half of handover attempt become fail.pls explain to me what is the reason ?

    #59192 Reply

    Hi Iman,

    1.) Check HO definitions.
    2.) Check Cell Load of Target Cell
    3.) Check Frequency of Target Cell
    4.) Check Hardware of the Target Cell.

    #59193 Reply

    thanx shivam
    im am working on your idea

    #59194 Reply

    oh sorry
    what is cell load?

    #59195 Reply
    Arun Sharma

    Neighbor to neighbor handover success rate can be low due to many reason.

    1) HO Defination, if paramater are not defined correct. Action:- check parameter similarity for rest of the neighbor of same type.

    2) Cell Load, If the destination cell is loaded HO will fail and cause will be Ho Block. Action:- decrese priority of this neighbor to neighbor relation. or Ho Margin as temp solution.

    3) Target Frequency, If there is co channel or adjacent interference this may cause poor HSR. Action:- Check for frequency plan and increase HO margin if this is not a first layer neighbor.

    4) Hardware, This is easiest to find. U will find all the incoming handover to this cell showing poor i/c HSR. Moreover the performance of the sector will also show degradation in this case.

    Neighbors should be defined very carefully. since Excessive neighbor defination will cause these kind of problems.

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