Patent ID: 9198153
Filing Date: 2015-11-24
Classification: H04W

Abstract:
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.