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Facilitating reuse of frequencies by unlicensed cognitive devices

  • US 20070202867A1
  • Filed: 02/24/2006
  • Published: 08/30/2007
  • Est. Priority Date: 02/24/2006
  • Status: Abandoned Application
First Claim
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1. A wireless device, comprising:

  • a cognitive radio to determine that a first channel is not in use; and

    a characterization block in the cognitive radio to characterize two adjacent channels where one of the adjacent channels receives a reference signal that determines a power level used by the cognitive radio to transmit on the first channel.

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