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Thread: pmBranchDeltaSINRDistr

  1. #1
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    Default pmBranchDeltaSINRDistr

    Hello colleagues,

    According to technical documents, the counter family pmBranchDeltaSINRDistr for E**** LTE has 60 ranges:

    [0]: =< -29 dB
    [1]: ]-29..-28] dB
    ..
    ..
    [58]: ]28..29] dB
    [59]: > 29 dB

    But for the operator I am working for, when I extract the data (directly from xml files) what I see are 121 ranges.
    It seems that the values I need are in the even fields, but what do mean the other fields?

    Sin título.jpg

    Best wishes

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  3. #2
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    Default Re: pmBranchDeltaSINRDistr

    Quote Originally Posted by dannthemann View Post
    Hello colleagues,

    According to technical documents, the counter family pmBranchDeltaSINRDistr for E**** LTE has 60 ranges:

    [0]: =< -29 dB
    [1]: ]-29..-28] dB
    ..
    ..
    [58]: ]28..29] dB
    [59]: > 29 dB

    But for the operator I am working for, when I extract the data (directly from xml files) what I see are 121 ranges.
    It seems that the values I need are in the even fields, but what do mean the other fields?

    Sin título.jpg

    Best wishes
    Hi,

    It is most probably for both branch in 1 line . out of 120 you will have 60 for 1 antenna branch and the next 60 for other branch of feeder.



    B
    R

  4. #3
    Member Reputation: 21
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    Default Re: pmBranchDeltaSINRDistr

    Thanks electron,

    This counter family has 7 counters:

    pmBranchDeltaSinrDistr0: The measurement is the SINR difference of PUSCH channel between antenna branch A and antenna branch B in antenna branch pair 0.
    pmBranchDeltaSinrDistr1: The measurement is the SINR difference of PUSCH channel between antenna branch B and antenna branch C in antenna branch pair 1.
    pmBranchDeltaSinrDistr2: The measurement is the SINR difference of PUSCH channel between antenna branch C and antenna branch D in antenna branch pair 2.
    pmBranchDeltaSinrDistr3: The measurement is the SINR difference of PUSCH channel between antenna branch D and antenna branch E in antenna branch pair 3.
    pmBranchDeltaSinrDistr4: The measurement is the SINR difference of PUSCH channel between antenna branch E and antenna branch F in antenna branch pair 4.
    pmBranchDeltaSinrDistr5: The measurement is the SINR difference of PUSCH channel between antenna branch F and antenna branch G in antenna branch pair 5.
    pmBranchDeltaSinrDistr6: The measurement is the SINR difference of PUSCH channel between antenna branch G and antenna branch H in antenna branch pair 6.

    And for each of the 7 counters above, I get 121 ranges instead of the 60 ranges defined in the technical documentation.
    In the picture in my first post you can see a real example from a raw xml file.

    I think the useful data are in the fields: pmBranchDeltaSinrDistrN_2*N+2, where X=0….59

    But I still don't know why I get 121 ranges instead of 60 and the use of the rest of values out of the array.

    BRs

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