Mobile data communications apparatus, methods and computer...

Details Mobile data communications apparatus, methods and computer... Mobile data communications apparatus, methods and computer...

2002-02-20

2008-08-05

Orgad, Edan (Department: 2619)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S335000, C370S349000, C370S352000, C370S392000, C370S466000, C455S404200, C455S406000, C455S418000, C455S439000, C455S456100, C709S206000, C709S230000, C709S238000, C709S245000

Reexamination Certificate

active

07408906

ABSTRACT:
A mobile data communications system includes a cellular wireless data communications network, such as a GPRS or CDPD network, including a plurality of base stations that communicate with terminals according to a first radio interface. The plurality of base stations are coupled to a control node, such as a GPRS Serving GPRS Support Node (SGSN) or a CDPD Mobile Data Intermediate System (MD-IS), that administers services, such as mobility management and billing, for terminals communicating with the base stations. The system also includes a wireless local area network (LAN), such as a mobile IP network, that is operative to communicate with terminals according to a second radio interface. The system further includes a mobile data internetworking system that is coupled between the control node and the wireless local area network and that provides data communications therebetween. The wireless LAN may have a coverage area that overlaps or adjoins a coverage area of the cellular wireless data communications network, such that, for example, higher user densities and/or data rates may be supported in “hot spots,” such as airports, hotels, convention centers and the like.

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