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Provision of information regarding a mobile station

  • US 9,198,153 B2
  • Filed: 10/03/2003
  • Issued: 11/24/2015
  • Est. Priority Date: 10/09/2002
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • receiving an area event notification request from a client at a location service entity provided within a communication system, the area event notification request containing information of the identity of a mobile station and a geographical area of interest specified by a predefined shape;

    mapping the shape into a list of a plurality of Cell Group Identities;

    providing the list of the plurality of CGIs to the mobile station;

    activating monitoring for an event indicative of a change in the presence status of the mobile station with respect to said geographical area of interest;

    signalling a notification to the client in response to detection of such event;

    receiving an area event notification cancellation request from the client at the location service entity;

    checking whether the mobile station is in the geographical area of interest; and

    when the mobile station is checked as in the geographical area of interest, de-activating the monitoring at the mobile station and purging the list of the plurality of Cell Group Identities from the mobile station.

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