Telecommunications – Radiotelephone system – Special service
Reexamination Certificate
2003-06-26
2008-10-28
Ramakrishnaiah, Melur (Department: 2614)
Telecommunications
Radiotelephone system
Special service
C455S414200, C455S561000
Reexamination Certificate
active
07444136
ABSTRACT:
The present invention is directed to a system and method for providing services, such as location-based services, in a GPRS network. In a preferred embodiment of the present invention, a database including local geographical information is stored in a BSS (Base Station System). The BSS transmits data in the database to at lease one MS on dedicated DPCHs in idle packet frames. The MS populates its database with the data while in idle mode and provides the location-based services to a subscriber using its database.
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Mcgee et al. ; Control Of Services In Mobile Packet Data Networks; Jun. 5, 2003; WO 03 047164A2.
Understanding General Packet Radio Service (GPRS), Agilent Technologies, pp. 1-29.
AT&T Mobility II LLC
Colburn Heather M.
Davis , Wright, Tremaine, LLP
Donohue Michael J.
Ramakrishnaiah Melur
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