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Techniques for explicit feedback delay measurement

  • US 8,781,017 B2
  • Filed: 03/02/2012
  • Issued: 07/15/2014
  • Est. Priority Date: 02/28/2006
  • Status: Active Grant
First Claim
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1. A wireless device, comprising:

  • circuitry to calculate a beamforming feedback matrix for a beamformer, the circuitry to determine a time delay between a feedback request sent to a beamformee and a feedback response received from the beamformee over a multi-carrier communications channel of a wireless local area network (WLAN), the feedback response to include information to calculate the beamforming feedback matrix for transmit beamforming, the circuitry to determine whether to use the information in the feedback response to calculate the beamforming feedback matrix based on the time delay.

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