Satellite cellular telephone and data communication system

Details Satellite cellular telephone and data communication system Satellite cellular telephone and data communication system

1994-12-22

1997-02-18

Faile, Andrew

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

455 132, 455 332, 455 334, 455 561, 379 60, H04B 7185, H04M 1100

Patent

active

056049200

ABSTRACT:
A system for facilitating global cellular/trunked mobile communication is disclosed. This system permits communication with hand held and mobile mounted cellular telephones. The system permits two-way communications anywhere on or above the earth up to a particular height above the earth of several hundred nautical miles. The system employs a number of low-earth orbiting satellites moving about the earth in orbit. Links are provided from the satellites directly to the users and via the public switched telephone network to other users. The satellites are interconnected via links in a ring structure surrounding the earth. Switching is performed by each of the satellites. In addition, each of the satellites hands off a call as it moves out of the range of a particular user.

REFERENCES:
patent: 5396643 (1995-03-01), Frenzer et al.
patent: 5408237 (1995-04-01), Patterson et al.
patent: 5410728 (1995-04-01), Bertiger et al.
"Crosslink Archeitectures for a Multiple Satellite System"; Binder et al; IEEE, vol. 75, No. 1 Jan. 1987; pp. 74-81.
"Landmobile Satellites Pick Up Where Cellular Radio Leaves Off", Kachmar, Microwaves & RF; Aug. 1984; pp. 33-35.

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