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Thread: CA_SCELL_ACTIVE_UE_MAX is limited to 50

  1. #11
    Member Reputation: 82
    Join Date
    2010-06-15
    Posts
    114

    Default Re: CA_SCELL_ACTIVE_UE_MAX is limited to 50

    Hi fahmi,

    it has value of 100 actually.

    Br,

  2. #12
    Member Reputation: 61
    Join Date
    2017-06-06
    Posts
    14

    Default Re: CA_SCELL_ACTIVE_UE_MAX is limited to 50

    What's your value of maxNumCaConfUeDc, that's also 50 by default and you have to change it as well as maxNumCaConfUe.

    Also can I ask why you use Blind CA? It can be quite messy in an urban environment.

  3. #13
    Member Reputation: 65
    Join Date
    2008-07-28
    Posts
    141

    Default Re: CA_SCELL_ACTIVE_UE_MAX is limited to 50

    Hi Fahmi;

    we have same issue in our NW , did you solve this limitation ?

    BR

  4. #14
    Member Reputation: 253
    Join Date
    2009-12-31
    Posts
    535

    Default Re: CA_SCELL_ACTIVE_UE_MAX is limited to 50

    Hi Djordjebeg,

    Please share the result if any...Thnks



    Quote Originally Posted by djordjebeg View Post
    HI DJ,

    from description of parameter "sCellActivationCyclePeriod" : This parameter defines the period of the SCell Activation cycle. The parameter value is in seconds. This parameter is not used when "sCellActivationMethod" is set to "blind". Optional feature(s): LTE1089 Downlink carrier aggregation - 2 CC
    when Blind activation is sued parameter is not regarded.

    I propose to set :

    LNBTS sCellActivationMethod 0 (nonGBRBufferBased) 0 (nonGBRBufferBased)
    LNBTS sCellActivationCyclePeriod 2 (2s)/0 (0.5s) 7 (0.001s)
    LNBTS scellActivationLevel 1040 (0.75 TTI) 1010 (0.1TTI)


    and on TOP if FL18A se release is in place :

    LNCEL scellFastSchedulingSelect 0-->1

    enodeB cannot activate Scell without received periodical CQI from UE. The latest change will push UE to send CSI ( CQI) immediately after RB activation and therefore enodeB can immediately instruct UE to activate Scell via PDCCH MAC Command.

    Br,

  5. #15
    Member Reputation: 238
    Join Date
    2009-01-20
    Posts
    539

    Default Re: CA_SCELL_ACTIVE_UE_MAX is limited to 50

    Hi

    what is the value set for below paramtere - maxNumCaConfUeDc (Threshold to limit the maximum number of carrier aggregation configured UEs in a PCell (P-LNCEL); Dc (Double carrier) indicates that these UEs have 1 PCell (P-LNCEL) and only 1 SCell (S-LNCEL))

    Rgds
    Plannerguy

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