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COMMUNICATIONS SYSTEMS

  • US 20090191889A1
  • Filed: 01/27/2009
  • Published: 07/30/2009
  • Est. Priority Date: 01/28/2008
  • Status: Active Grant
First Claim
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1. A method of controlling spectrum use in a first wireless communications system which is operable to take part in a spectrum assignment process involving a plurality of wireless communications systems including the first wireless communications system, in which spectrum assignment process one of the said wireless communications systems assigns a portion of spectrum to at least one of the other said wireless communications systems, the method comprisingeffecting an instance of the spectrum assignment process in response to a trigger which is based on network conditions.

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