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Rate selection for eigensteering in a MIMO communication system

  • US 7,872,981 B2
  • Filed: 05/12/2005
  • Issued: 01/18/2011
  • Est. Priority Date: 05/12/2005
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a channel processor to receive a first pilot via a first communication link and to derive a channel estimate for the first communication link, wherein the channel processor estimates channel quality of the first communication link based on the first pilot; and

    a controller to receive feedback information indicative of channel quality of a second communication link and to select rates for eigenmodes of the second communication link based on the feedback information and the channel estimate, wherein the controller estimates signal-to-noise-and-interference ratios (SNRs) of the eigenmodes based on the estimated channel quality of the first communication link and the feedback information and further selects the rates for the eigenmodes based on the SNRs of the eigenmodes.

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