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Thread: DC with F1/F2 F2/F3 F3/F1 in Huawei

  1. #1
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    Default DC with F1/F2 F2/F3 F3/F1 in Huawei

    Dear Huawei guys,

    We have 3 carriers 2100 : F1 , F2 and F3.

    DC work only with F1 and F2. no DC for F3.

    Is there any way to activate DC also for F3 so we get F1/F2, F2/F3 ou F3/F1 in the same sector ?

    Thanks

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  3. #2
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    Default Re: DC with F1/F2 F2/F3 F3/F1 in Huawei

    Dualbandmulticarrier

  4. #3
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    Default Re: DC with F1/F2 F2/F3 F3/F1 in Huawei

    Quote Originally Posted by kais View Post
    Dualbandmulticarrier
    Did this worked ?? do you have this feature ?

  5. #4
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    Default Re: DC with F1/F2 F2/F3 F3/F1 in Huawei

    Quote Originally Posted by kais View Post
    Dualbandmulticarrier

    Dear Kais,

    Please to explain. Is that an optional feature ?

    Br

  6. #5
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    Default Re: DC with F1/F2 F2/F3 F3/F1 in Huawei

    At huawei there are Flexible Dual Carrier function, with this function u can creat DC group from F1+F2, F1+F3, F2+F3.
    at DC F1, F2, F3 co located sectors MUST BE at ONE resource group

  7. #6
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    Default Re: DC with F1/F2 F2/F3 F3/F1 in Huawei

    Quote Originally Posted by nofeartoday View Post
    At huawei there are Flexible Dual Carrier function, with this function u can creat DC group from F1+F2, F1+F3, F2+F3.
    at DC F1, F2, F3 co located sectors MUST BE at ONE resource group
    Hi nofeartoday, please to explain. What is the Flexible Dual Carrier ? commands, parameters ...

  8. #7
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    Default Re: DC with F1/F2 F2/F3 F3/F1 in Huawei

    System Capacity
    This feature reduces the difference between the downlink load of cells in a multi-carrier cell
    group. The effect of this feature depends on the number of DC-HSDPA UEs and their traffic
    volume. A larger number of DC-HSDPA UEs and a larger traffic volume results in smaller
    difference between the downlink load of cells.
    Network Performance
    Cells in a multi-carrier cell group have the same time offset (specified by the Tcell
    (BSC6900,BSC6910) parameter). When multiple cells (three or four) served by the same RRU
    in a sector transmit data at full power, the peak-to-average ratio (PAR) of the RRU increases if
    a higher-order modulation scheme is used in the downlink. As a result, cell throughput may
    decrease. On live networks, cells in the same sector do not transmit data at full power for a long
    period of time, and therefore cell throughput only slightly decreases.
    After Flexible Dual Carrier HSDPA is activated in networks with a low load, the data rates of
    DC-HSDPA UEs increase because UEs can fully utilize frequency resources. As network load
    increases, the gain provided by this feature decreases. The difference between the downlink load
    of cells in a multi-carrier cell group before this feature is activated also affects the gain provided
    by this feature. A larger difference results in a greater gain.
    //Deactivating cells
    DEA UCELL: CellId=1;
    DEA UCELL: CellId=2;
    DEA UCELL: CellId=3;
    DEA UCELL: CellId=4;
    //Adding a multi-carrier cell group
    ADD NODEBMULTICELLGRP: MULTICELLGRPID=1, MULTICELLGRPTYPE=HSDPA;
    //Adding local cells to a specified multi-carrier cell group
    ADD NODEBMULTICELLGRPITEM: MULTICELLGRPID=1, ULOCELLID=1;
    ADD NODEBMULTICELLGRPITEM: MULTICELLGRPID=1, ULOCELLID=2;
    ADD NODEBMULTICELLGRPITEM: MULTICELLGRPID=1, ULOCELLID=3;
    ADD NODEBMULTICELLGRPITEM: MULTICELLGRPID=1, ULOCELLID=4;
    //Modifying the time offset parameter for cells in the same multi-carrier cell
    group
    MOD UCELLSETUP: CellId=1, TCell=CHIP256;
    //Enable the Auto Rebuild Cell function
    SET NODEBRESALLOCRULE: SW=ON, CSUSERNUM=0, PSUSERNUM=0;
    //Activating cells
    ACT UCELL: CellId=1;
    ACT UCELL: CellId=2;
    ACT UCELL: CellId=3;
    ACT UCELL: CellId=4;
    //Turning on the HSPA+ switch
    MOD UCELLALGOSWITCH: CellId=1, HspaPlusSwitch=DC_HSDPA-1&DB_HSDPA-1;
    //Turning on the multi-carrier HSDPA bearing switch
    SET UCORRMALGOSWITCH: CfgSwitch=CFG_HSDPA_DC_SWITCH-1&CFG_HSDPA_DB_SWITCH-1;
    //Enabling DC-HSDPA UEs to use cells belonging to different operators in RAN
    sharing or MOCN scenarios
    SET UOPERATORSHARINGMODE: InterPlmnMultiCarrSwitch=YES;

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