System for determining and registering location of mobile termin

Details System for determining and registering location of mobile termin System for determining and registering location of mobile termin

1994-02-01

1996-08-20

Eisenzopf, Reinhard J.

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

455 132, 455 331, 455 561, 379 60, 342357, H04B 7185

Patent

active

055488013

ABSTRACT:
A system for determining and registering the location of mobile terminals in a mobile communication system using non-geosynchrous satellites, in which each land earth station transmits its identification information via spot beams of satellites or together with identification information of a spot beam and that of satellite. A mobile terminal thus receives identification information, and transmits the received identification information together with information on time of reception and the terminal identifying information to the terrestrial network for registering the latest location information. Since the latest location information of mobile terminal is registered in the terrestrial network as mentioned above, a call can be connected to the mobile terminal simply by sending a call announcement message by referring the registered location information. This leads to reduction of the number of circuits that are needed for sending call announcement messages.

REFERENCES:
patent: 3384891 (1968-05-01), Anderson
patent: 4644347 (1987-02-01), Lucas et al.
patent: 5043736 (1991-08-01), Darnell et al.
patent: 5111209 (1992-05-01), Toriyama
patent: 5303286 (1994-04-01), Wiedeman
patent: 5307277 (1994-04-01), Hirano
patent: 5313215 (1994-05-01), Walker et al.
patent: 5343512 (1994-08-01), Wang et al.
patent: 5408237 (1995-04-01), Patterson et al.

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