H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/28 (2006.01) H04Q 7/24 (2006.01) H04Q 7/22 (2006.01)
Patent
CA 2189791
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 means, so-called interworkingfunctions 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 toeach 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.
Alcatel
Alcatel Alsthom Compagnie Generale D'electricite
Robic
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