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System and method for collecting continuous location updates while minimizing overall network utilization

  • US 7,395,075 B2
  • Filed: 09/09/2005
  • Issued: 07/01/2008
  • Est. Priority Date: 09/09/2004
  • Status: Active Grant
First Claim
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1. A method performed by a subscriber unit for providing location updates to a wireless network comprising:

  • determining a current location of the subscriber unit;

    comparing the current location to a second location;

    receiving a location delta threshold from the wireless network, wherein the location delta threshold is selected from a plurality of geographic distances based on fee-based subscription information associated with the subscriber unit; and

    transmitting a location update, including presence information, to the wireless network when the current location differs from the second location by at least the location delta threshold.

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