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Thread: eGBTS swap issue(Huawei)

  1. #1
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    2012-02-19
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    Post eGBTS swap issue(Huawei)

    Dear experts
    I need your help please to share information and experience about having 2G CSSR degradation after old site Swapped to eGBTS site?

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  3. #2
    Member Reputation: 30
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    2010-06-29
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    Default Re: eGBTS swap issue(Huawei)

    For troubleshooting we need more information:
    1. Which component of CSSR degraded? (typically there are four components: Immediate Assignment Success Rate, SDCCH Congestion Rate, SDCCH Drop Rate and TCH Assignment Success Rate)
    2. Did you confirm if the TRX capacity, frequency plan and MAIO plan exactly the same as before?

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  5. #3
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    2012-02-19
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    Default Re: eGBTS swap issue(Huawei)

    Quote Originally Posted by coach View Post
    For troubleshooting we need more information:
    1. Which component of CSSR degraded? (typically there are four components: Immediate Assignment Success Rate, SDCCH Congestion Rate, SDCCH Drop Rate and TCH Assignment Success Rate)



    2. Did you confirm if the TRX capacity, frequency plan and MAIO plan exactly the same as before?
    1.Immediate Assignment Success Rate degraded which leads to CSSR degradation.

    2.Confirmed.

  6. #4
    Member Reputation: 32
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    2012-02-19
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    Default Re: eGBTS swap issue(Huawei)

    I need your kind help for below issue

    One thing which very complex for me is no there is no any TCH or SDCCH interference but DW and UL quality degraded after BTS changed to eGBTS.

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