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High HO_Inc_MSC_3G_2G_fail_BSS 

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  • 10th July 2012 at 12:59 #68429 Reply
    VanG
    Guest

    Hi all,
    is there any body to advise me what can be the reasons for high value of HO_Inc_MSC_3G_2G_fail_BSS in Alcatel.
    Everything with parameters settings looks like OK, but this KPI is bad.
    Best regards,

    11th July 2012 at 19:28 #68430 Reply
    pix
    Guest

    how bad ?

    13th July 2012 at 11:36 #68431 Reply
    VanG
    Guest

    For some cells the HO_Inc_MSC_3G_2G_fail_BSS rate is more than 50%.
    BR,

    >>rrb

    13th July 2012 at 19:17 #68432 Reply
    pix
    Guest

    you could try to isolate which 2G target cells are bad.

    you have 2 main scenarios :
    (1) for some cells the HO SR% is 0, and for the others, it is better than 95%…
    –> what is the problem in those target cells ? specific BSC ? wrong 2G external info (bcch, ncc, bcc..?), wrong BSC info, wrong LAC..?

    (2) all cells are bad, with a HOSR = 50% -> you should investigate at the RNC-MSC level

    Once you have isolated the bad cells, it would be really convenient if you could do a IuCS trace.

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