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Thread: relation between qrxlevmin in LTE and 3G Side

  1. #1
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    Default relation between qrxlevmin in LTE and 3G Side

    Dear Experts

    i have a very basic question!

    what is the relation between qrxlevmin in UtranFreqRelation in LTE and qrxlevmin in UtranCell in RNC side ?
    they shoud have same value of they can have different value.

    for example , in our network is like this :

    LTE side : EUtranCellFDD=*,UtranFreqRelation=* : qrxlevmin = -120
    3G side : UtranCell : qrxlevmin = -109

    Thanks in advance.

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  3. #2
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    Default Re: relation between qrxlevmin in LTE and 3G Side

    It was too obvious ?

  4. #3
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    Default Re: relation between qrxlevmin in LTE and 3G Side

    Quote Originally Posted by mojiiiiii View Post
    Dear Experts

    i have a very basic question!

    what is the relation between qrxlevmin in UtranFreqRelation in LTE and qrxlevmin in UtranCell in RNC side ?
    they shoud have same value of they can have different value.

    for example , in our network is like this :

    LTE side : EUtranCellFDD=*,UtranFreqRelation=* : qrxlevmin = -120
    3G side : UtranCell : qrxlevmin = -109

    Thanks in advance.
    Means High Priority for an UE to camp in LTE than WCDMA and should not be equal for different RAT's. Correct me if i am wrong.
    Please add reputation by clicking * at left bottom of post & Hit Thanks and report Helpful by clicking Thumps Up if you like my post . Knowledge is Power & Sharing is Caring.

  5. #4
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    Default Re: relation between qrxlevmin in LTE and 3G Side

    [EUtranCellFDD] qRxLevMin : Minimum required RSRP for LTE Cell selection
    [UtranFreqRelation] qRxLevMin: Minimum required RSCP for 3G Cell reselection while UE camped on LTE network
    [UtranCell] qRxLevMin: Minimum required RSCP for 3G Cell selection

    They can have different values according to network strategy, but improper setting will result in ping pong and signaling overhead. Usually cell selection and reselection parameters are set same as each other. For better LTE share, recommended to set [UtranFreqRelation] qRxLevMin greater than [EUtranCellFDD] qRxLevMin. In addition, 3G side parameter should be considered for LTE cell reselection. Should take into account A2CriticalThresholdRsrp and other related parameters as well.

  6. Thanks techfolkcmr thanked for this post
  7. #5
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    Default Re: relation between qrxlevmin in LTE and 3G Side

    Thanks Mohsen . Happy Your Nowrooz

  8. Thanks mohsenJaz thanked for this post

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