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Frequency Band Coordination Method and Radio Communication Apparatus in Cognitive Radio System

  • US 20110176508A1
  • Filed: 12/07/2009
  • Published: 07/21/2011
  • Est. Priority Date: 12/08/2008
  • Status: Active Grant
First Claim
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1. A frequency band coordination method in a cognitive radio system comprising:

  • a control channel determination step of determining a frequency band to be used as a control channel;

    a data channel determination step of communicating a frequency use status around a transmitting node and a receiving node through said control channel and determining a frequency band to be used as a data channel; and

    a channel changing step of communicating a frequency use status around a transmitting node and a receiving node during communication through said control channel, and changing the frequency band used as the control channel or the data channel when the control channel being used or the data channel being used has become unusable or is expected to become unusable.

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