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Selective delivery of presence messages for wireless communication devices

  • US 9,154,911 B2
  • Filed: 03/18/2014
  • Issued: 10/06/2015
  • Est. Priority Date: 02/20/2009
  • Status: Active Grant
First Claim
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1. A method of operating a wireless communication system to communicate with a monitoring wireless communication device that is tracking a monitored wireless communication device, the method comprising:

  • in the wireless communication system, generating operating information that indicates if the monitoring wireless communication device is in an active mode when a wireless data service is in use or in an idle mode when the wireless data service is not in use;

    in the wireless communication system, receiving location information that indicates geographic locations of the monitored wireless communication device for delivery to the monitoring wireless communication device;

    in the wireless communication system, storing the location information if the monitoring wireless communication device is in the idle mode and wirelessly transferring the location information to the monitoring wireless communication device if the monitoring wireless communication device is in the active mode; and

    in the wireless communication system, if the monitoring wireless communication device transitions from the idle mode to the active mode with the stored location information, then generating summary location data for the monitored wireless communication device based on the stored location information and wirelessly transferring the summary location data to the monitoring wireless communication device.

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