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Method and system for radio-independent predictive handoffs in a wireless network

  • US 7,711,372 B2
  • Filed: 05/13/2005
  • Issued: 05/04/2010
  • Est. Priority Date: 05/13/2005
  • Status: Active Grant
First Claim
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1. A method for call handoff in a wireless network comprising a controller and a plurality of base stations including first and second base stations, the method comprising:

  • determining at the first and second base stations at least one respective usability factor, each respective usability factor providing a relative measure of the desirability of receiving control of a mobile unit;

    communicating each of the at least one usability factors from each of the first and second base stations to the controller without communicating raw signal strengths from the first and second base stations to the controller, the controller located remote from the first and second base stations; and

    selecting one of the first and second base stations to receive control of the mobile unit by comparing, by the controller, the at least one usability factor for the first base station to the at least one usability factor for the second base station without comparing radio signal strengths of the first and second base stations.

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