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Handling uplink grant in random access response

  • US 8,780,816 B2
  • Filed: 07/10/2009
  • Issued: 07/15/2014
  • Est. Priority Date: 08/12/2008
  • Status: Active Grant
First Claim
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1. A method for wireless communication, comprising:

  • receiving a grant on a downlink channel, wherein a length of a portion of the grant has been adjusted; and

    interpreting a resource block assignment of the portion of the grant, the interpreting the resource block assignment being based upon whether or not a number of uplink resource blocks (NRBUL) exceeds a threshold, wherein the interpreting the resource block assignment includes;

    determining that NRBUL

    44; and

    responsive to determining that NRBUL

    44, truncating the resource block assignment to its b least significant bits, where b=┌

    log2(NRBUL·

    (NRBUL+1)/2)┐

    , and interpreting the truncated resource block assignment according to rules for a regular downlink control information (DCI) format 0.

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