Method and apparatus for facilitating wireless presence-based services
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United States of America Patent
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Issued Date -
Jan 13, 2005
app pub date -
Jan 16, 2004
filing date -
Jul 11, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The need to facilitate wireless presence-based services more efficiently is addressed by embodiments of the present invention. In general, a wireless presence proxy (WPP) (131) caches presence updates (such as buddy list presence updates) from a presence server (161) for a mobile station (MS) (101). The WPP maintains presence information, which reflects the presence updates received, for transfer to the MS when an update condition exists. Thus, updates are made when, for example, a resource-efficient condition is present, such as the assignment of a traffic channel for other call activity. The WPP also updates the presence server, on behalf of the MS, when the MS presence status changes. In this manner, the embodiments described are able to reduce the system resources required to facilitate wireless presence-based services.
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