US 5,335,262 AGranted

Radio communication adapter connected to mobile station and mobile communication system using the radio communication adapter

AssigneeFujitsu Limited

InventorsTakuro Oguchi, Shunroku Sasaki, Masaru Asahara

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Abstract

A radio communication adapter is used in a mobile communication system including a first mobile communication network, first mobile stations registered in the first mobile communication network, a second mobile communication network connected to the first mobile communication network, and second mobile stations registered in the second mobile communication network. The radio communication adapter is attached to one of the second mobile stations. The radio communication adapter includes a radio communicating part for communicating, via a radio channel, with the first mobile stations located outside a first service area of the first mobile communication network, and a requesting part for requesting that first identification data of the first mobile stations located outside the first service area is registered, in connection with the second mobile stations, in the first mobile communication network via the above-mentioned one of the second mobile stations and the second mobile communication network.

Claims24

Dependent claims

A mobile communication system comprising:

a first mobile communication network having a first service area and a controller;
first mobile stations having first identification data registered in said first mobile communication network in order to identify positions of the first mobile stations and receive a communication service provided by said first mobile communication network;
a second mobile communication network communication with said first mobile communication network and having a second service area;
second mobile stations having second identification data registered in said second mobile communication network in order to receive a communication service provided by said second mobile communication network;
and
radio communication adapter means, connected to said second mobile stations, for coupling, via a radio channel, the first mobile stations located outside the first service area with said second mobile stations,
wherein the first identification data of the first mobile stations located outside the first service area are respectively transferred to said radio communication adapter means, said second mobile stations and said second mobile communication network, and registered, in connection with the second mobile stations by said controller, in said first communication network.

4 more elements

A radio communication adapter used in a mobile communication system including a first mobile communication network having a controller, first mobile stations registered in the first mobile communication network, a second mobile communication network connected to said first mobile communication network, and second mobile stations registered in the second mobile communication network, said radio communication adapter being attached to said one of the second mobile stations, said radio communication adapter comprising

requesting means for requesting that first identification data of the first mobile stations located outside the first service area is registered, in connection with the second mobile stations, by said controller in said first mobile communication network via said one of the second mobile stations and said second mobile communication network.

Dependencies are inferred from the claim text.