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Power control parameter configuration by base station

  • US 9,907,032 B2
  • Filed: 05/05/2014
  • Issued: 02/27/2018
  • Est. Priority Date: 05/05/2014
  • Status: Active Grant
First Claim
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1. A power control method, comprising:

  • receiving, by a user equipment (UE), a power control parameter set configured by a base station and sent by the base station, wherein the power control parameter set comprises at least one power control parameter group comprising power control parameters PO, α

    , and Δ

    , PO is a target power for receiving a signal by the base station, α

    is a path loss compensation coefficient, and Δ

    is an offset parametric value for power control;

    determining, by the UE, a first power control parameter group according to the power control parameter set; and

    determining, by the UE, a device-to-device transmit power PD2D of the UE according to PD2D=PO

    ·

    PL+Δ

    , where PL is a path loss from the base station to the UE.

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