Communications system with moving bodies with the aid of satelli

Details Communications system with moving bodies with the aid of satelli Communications system with moving bodies with the aid of satelli

1989-02-14

1990-07-24

Issing, Gregory C.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

455 12, H04B 719, H04B 7185

Patent

active

049438085

ABSTRACT:
The system comprises at least two geosynchronous satellites (S-A, S-B) having the same elliptical orbit and the same trace on the ground. The longitudes of ascending node are displaced. The moving bodies have a vertically pointed fixed antenna. The system operates for 24 hours continuously with one or other of the satellites.

REFERENCES:
patent: 4502051 (1985-02-01), Dondl
patent: 4652884 (1987-03-01), Starker
Proceedings of the 7th International Conference on Digital Satellite Communications, Munich, 12-16, Mai, 1986, pp. 641-652, VDE-Verlag, GmbH, Berlin, DE, P. Dondl: "Digital Transmission in a Quasi-Geostationary Sat. System".
Proceedings of the IEEE, vol. 72, No. 11, Nov. 1984, pp. 1627-1636, IEEE, New York, US; K. Brayer, "Packet Switching for Mobile Earth Stations via Low-Orbit Satelite Network".

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