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Thread: How to set HSDPA power allocation mode

  1. #1
    Member Reputation: 30
    Join Date
    2010-08-07
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    Default How to set HSDPA power allocation mode

    Hello, which parameter controls the HSDPA power assignment per user in E*******?. As i know one cell can have an specific amount of power reserved for HS-PDSCH users and the rest for R99 DCHs. And also is the option to dynamically manage power between R99 DCHs and HS-PDSCHs. Which parameter makes this and how its controlled. thanks!

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  3. #2
    Junior Member Reputation: 6
    Join Date
    2011-02-15
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    Default Re: How to set HSDPA power allocation mode

    I am not sure if I completely understand your question. I hope this is useful (Please don’t forget to rep if you find this interesting)

    Parameters
    ----------------------------------------------------------------------------------------------------------------------
    hsPowerMargin
    In determining how much power can be allocated to
    HS-PDSCH, the total transmit power (including all
    common channels, dedicated channels, HS-SCCH,
    HS-PDSCH and the Enhanced Uplink downlink
    control channels) is limited to the maximum downlink
    transmission power for the cell signaled from the RNC,
    minus the hsPowerMargin back off.

    hsMeasurementPowerOffset
    Offset relative to the P-CPICH that the UE must use
    when calculating the assumed HS-PDSCH power in the
    CQI estimation.

    maxPowerOverloadHystTime
    The DL transmitted carrier power is considered DL HSDPA-overloaded if the monitored non-HS DL power + HS-required DL power > 100% utilization for a hysteresis time.

    Resource Estimation -
    ----------------------------------------------------------------------------------------------------------------------
    The resource estimation procedure estimates available HS-PDSCH codes and
    HS-PDSCH power in the upcoming TTI.
    Estimation of the number of HS-PDSCH codes is straightforward, since the
    RBS has this information available.
    Estimation of the power available for the HS-PDSCHs is done in a few steps.
    First, the total power available for all the HSDPA channels and the Enhanced
    Uplink downlink channels, PHS, is estimated as
    PHS = Pmax [COLOR=black][FONT=Arial]

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