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Method and apparatus for power control of first data transmission in random access procedure of FDMA communication system

  • US 8,494,572 B2
  • Filed: 06/22/2009
  • Issued: 07/23/2013
  • Est. Priority Date: 06/24/2008
  • Status: Active Grant
First Claim
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1. A method for transmit power control of a first message on a physical uplink shared channel, performed by a user equipment, comprising:

  • performing transmit power control by transmitting a random access channel preamble sufficient for successful receipt;

    transmitting, on the physical random access channel, an indication of transmit power control used for the random access channel preamble that was successfully received;

    receiving a transmit power control command based in part upon the indication of transmit power control used for the random access channel preamble for the physical uplink shared channel with a random access response;

    setting transmit power control for the first message to be transmitted on the physical uplink shared channel based at least in part upon the transmit power control command; and

    transmitting the first message on the physical uplink shared channel.

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