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Adaptively determining a data rate of packetized information transmission over a wireless channel

  • US 8,687,510 B1
  • Filed: 03/30/2010
  • Issued: 04/01/2014
  • Est. Priority Date: 07/20/2004
  • Status: Active Grant
First Claim
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1. A method comprising:

  • determining a data rate of information transmission over a wireless channel based on two or more measures derived from a received signal, wherein the two or more measures comprise a first measure that is based on a strength of the received signal and a second measure that is indicative of frequency selectivity in the wireless channel, wherein determining the data rate comprises determining channel gain values respectively for two or more different subcarriers associated with the received signal, and determining the second measure based on a combination of the channel gain values to measure the frequency selectivity in the wireless channel across the two or more different subcarriers associated with the received signal, and wherein the first measure serves as a primary determinant of the data rate and the second measure serves as a secondary determinant of the data rate; and

    transmitting information over the wireless channel in accordance with the data rate.

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