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System and Method for Adapting Codebooks

  • US 20110243207A1
  • Filed: 01/21/2011
  • Published: 10/06/2011
  • Est. Priority Date: 04/05/2010
  • Status: Abandoned Application
First Claim
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1. A method for communications device operations, the method comprising:

  • receiving a pilot signal;

    computing a channel estimate for a channel between a controller and a communications device, the computing being based on the pilot signal;

    adapting a codebook based on the channel estimate and positions of codewords in the codebook;

    computing a representation of the channel using the adapted codebook;

    transmitting the representation of the channel as feedback information; and

    receiving a transmission beamformed based on the feedback information.

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