Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Patent
1996-11-04
1999-06-29
Nguyen, Chau
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
370466, H04L 1246
Patent
active
059178167
ABSTRACT:
During data transmissions between a mobile radio network and a telecommunications network, in order to adapt the data signals to the protocols and modulation rates used by said networks, adaptation processors which perform so-called interworking functions are used which are either implemented in each mobile station of the mobile radio network, or which are implemented in a centralized interworking function that is connected to several mobile switching centers. A centralized interworking function (CIWF) is described for the simple construction of a mobile radio network, which contains different interworking functions (IWF1, . . . , IWFn) for adapting data transmissions between several mobile switching centers (MSC) and different data transmission nodes (MOD, PH, PAD, ISDN) of a telecommunications network (PSTN), and contains a controlled switching network (SWT) which selectively connects the different interworking functions to the mobile switching centers. This technique provides a centralized installation in the mobile radio network, whereby each of the mobile switching centers has access to each of the different interworking functions. In this way all the interworking functions need not to be repeatedly installed, but only as many as are needed for the average load of the available data services.
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Alcatel Alsthom Compagnie Generale d'Electricite
Nguyen Chau
Oliver Milton
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