Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2005-01-11
2005-01-11
Corsaro, Nick (Department: 2684)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C370S238000, C370S230000, C455S445000
Reexamination Certificate
active
06842615
ABSTRACT:
A telecommunications network including sub-telecommunications networks for transferring information including packet data which comprises one or more mobile stations, a first sub-telecommunications network, and a second sub-telecommunications network interconnected with the first sub-telecommunications network. The network further includes a number of gateway GPRS support nodes, and one or more gateway GPRS support nodes corresponding to each of the first sub-telecommunications network and the second sub-telecommunications network. Each of the gateway GPRS support nodes is operable to provide interworking between the first and the second sub-telecommunications networks and external packet data networks. The network also includes a system controlled in accordance with a procedure for transferring packet data within a multi-country telecommunications network. The procedure includes detecting data packets corresponding to a particular mobile station routed through the first sub-telecommunications network, and detecting data packets corresponding to the particular mobile station transferred between the first sub-telecommunications network and the second sub-telecommunications network. The system and process further include determining whether to transfer routing control from the first sub-telecommunications network to the second sub-telecommunications network based on the reported routed data packets and the reported transferred data packets, when the reported transferred data packets exceed a predetermined threshold of the reported routed data packets.
REFERENCES:
patent: 6137783 (2000-10-01), Sallberg
patent: 6385451 (2002-05-01), Kalliokulju et al.
patent: 6415151 (2002-07-01), Kreppel
patent: 20020061746 (2002-05-01), Jo et al.
patent: 2328117 (1999-02-01), None
Comsat Corporation
Corsaro Nick
Perez Angelica
Sughrue & Mion, PLLC
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