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Methods and apparatus for using multiple frequency bands for communication

  • US 8,078,111 B2
  • Filed: 08/21/2008
  • Issued: 12/13/2011
  • Est. Priority Date: 07/29/2008
  • Status: Active Grant
First Claim
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1. A method of operating a communications device comprising:

  • establishing, during a first time interval, a communications link with a second communications device using a first frequency band wherein said first frequency band is a private licensed frequency band;

    determining if a second frequency band is available for data communication, wherein said second frequency band is publicly accessible;

    communicating to said second communication device, using said first frequency band, that said second band is to be used for communicating data;

    communicating data between said communications device and said second communications device using said second frequency band in a second time interval following said first time interval, said first and second frequency bands being non-overlapping frequency bands; and

    communicating a control signal between said communications device and said second communications device using said first frequency band during said second time interval.

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