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Extended Area Event for Network Based Proximity Discovery

  • US 20150072713A1
  • Filed: 08/29/2014
  • Published: 03/12/2015
  • Est. Priority Date: 09/09/2013
  • Status: Active Grant
First Claim
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1. A network-centric method of providing proximity services to mobile devices, comprising:

  • receiving a request for device discovery for a discoverer wireless device;

    initiating monitoring for an area event from a proximity server (PS), using a location server, for a plurality of other wireless devices subscribed to a same proximity service group as said discoverer wireless device and camped on a same zone as said discoverer wireless device;

    receiving an area event notification at said proximity server of said area event when any of said plurality of other wireless devices moves into a geographic area of an cell global identity (CGI) where said discoverer wireless device is attached;

    requesting, from said proximity server to said location server, location information of said any of said plurality of other wireless devices, in response to said received area event notification;

    determining from said location information that said any of said plurality of other wireless devices is within a predefined proximity of said discoverer wireless device; and

    initiating a proximity alert message from said proximity server to said discoverer wireless device.

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