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Combined open loop/closed loop method for controlling uplink power of a mobile station

  • US 9,271,240 B2
  • Filed: 03/26/2015
  • Issued: 02/23/2016
  • Est. Priority Date: 03/07/2007
  • Status: Active Grant
First Claim
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1. A method implemented by an eNode-B, the method comprising:

  • transmitting, to a wireless transmit/receive unit (WTRU) via higher layer signaling, open loop uplink (UL) power control (PC) parameters including a cell-specific parameter and a WTRU-specific parameter;

    transmitting a PC correction command; and

    receiving, from the WTRU, a transmission having an applied transmit power, wherein;

    the transmission comprises a number of resource blocks;

    the applied transmit power is based on a transmit power spectral density and the number of resource blocks;

    the transmit power spectral density comprises a combination of an open loop UL PC component, a closed loop PC component and a delta factor related to an offset value;

    the offset value is related to a modulation coding set (MCS);

    the open loop UL PC component is based on pathloss, the cell-specific parameter and the WTRU-specific parameter;

    the closed loop PC component includes a correction factor; and

    the correction factor is based on the PC correction command.

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