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Thread: High Service Drop due to L.E-RAB.Abnormrel.eNBTot.QCI7

  1. #1
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    Default High Service Drop due to L.E-RAB.Abnormrel.eNBTot.QCI7

    Dear Master

    I want to ask how to reduce L.E-RAB.Abnormrel.eNBTot.QCI7 that caused high service drop on my networks? Is there any parameter that I can adjust so make this counter decrease?

    Please Help Me

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  3. #2
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    Default Re: High Service Drop due to L.E-RAB.Abnormrel.eNBTot.QCI7

    Usually Service drop rate kpi is using L.E-RAB.Abnormrel , not L.E-RAB.Abnormrel.eNBTot.
    The different between these two counter are : L.E-RAB.Abnormrel is only for activated E-RAB as mentioned on 3gpp 32.450 6.2.1.1 (an end-user abnormally looses an E-RAB during the time the E-RAB is used).
    L.E-RAB.Abnormrel.eNBTot is for all abnormal release including active and non active E-RAB.

    So, if L.E-RAB.Abnormrel.eNBTot is high and L.E-RAB.Abnormrel is low, the abnormal release is mostly on non active E-RAB, that usually not impacted to user experience.

  4. #3
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    Default Re: High Service Drop due to L.E-RAB.Abnormrel.eNBTot.QCI7

    Hi Rimeka;
    Thanks for your time to reply this thread
    L.E-RAB.Abnormrel.eNBTot is result from from breakdown
    L.E-RAB.Abnormrel beside TNL, Radio, HOFailure, MME, Congestion, etc. In my case the highest contributors is L.E-RAB.Abnormrel.eNBTot. That's why I need suggestion for this problem. Hope there are other solutions.

  5. #4
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    Default Re: High Service Drop due to L.E-RAB.Abnormrel.eNBTot.QCI7

    There is a document for each counter service drop throubleshooting in this thread,

    http://www.finetopix.com/showthread....ems+in+the+LTE
    drop call lte.jpg

  6. Thanks yaco_777, ulhwbest thanked for this post

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