Predicting user availability from aggregated signal strength data
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United States of America Patent
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Mar 12, 2013
Grant Date -
Oct 30, 2008
app pub date -
Apr 26, 2007
filing date -
Apr 26, 2007
priority date (Note) -
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Abstract
A system and method for determining the availability of a mobile communications device on a network based on a prediction that the device will cross a peer-defined service boundary. The service boundary may be the periphery of a region in which the received signal strength is stronger than a minimum value, or the periphery of a region in which a particular service provider's signal is dominant. When the device is about to cross the service boundary, or has crossed the boundary, a notification of a change in service is issued to at least one of the user of the device, a presence service, or another network operator. The notification may comprise a change in the presence status of the mobile communications device. The service boundary is defined using aggregated data from a plurality of mobile communications devices reporting the received signal strength at various geographic locations.
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