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Physical resource block (PRB) bundling for open loop beamforming

  • US 9,148,204 B2
  • Filed: 06/20/2011
  • Issued: 09/29/2015
  • Est. Priority Date: 06/21/2010
  • Status: Active Grant
First Claim
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1. A method for wireless communication, comprising:

  • determining, at a base station, a data allocation size from a data region of at least one subframe for a data transmission to a user equipment (UE);

    signaling the data allocation size to the UE in a downlink assignment;

    determining a bundling size based at least in part on the data allocation size and a delay spread; and

    precoding at least one reference signal in bundled contiguous resource blocks of the determined bundling size, wherein the at least one reference signal in each bundle is precoded with a common precoding matrix.

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