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System and method to improve WLAN handover behavior at entry/exit points

  • US 20050048972A1
  • Filed: 08/26/2003
  • Published: 03/03/2005
  • Est. Priority Date: 08/26/2003
  • Status: Active Grant
First Claim
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1. A method comprising:

  • detecting a signal from an egress portal;

    determining that a wireless device is moving from a coverage area of a first wireless communications system to a coverage area of a second wireless communications system in response to detecting the signal from the egress portal;

    initiating a registration sequence with the second wireless communication system if the wireless device is not registered with the second wireless communications system, in response to determining that the wireless device is moving from the coverage area of the first communications system to the coverage area of the second communications system; and

    conducting one of a present and a subsequent call via the second wireless communication system.

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