Satellite communications system

Patent

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Details

179 41A, 325 4, H04J 312

Patent

active

040900363

ABSTRACT:
A satellite communications system provides automatic channel assignment without employing a dedicated signalling channel. A major station detects carrier-free forward channels and transmits on each a forward signal. A minor station hunts all available forward channels to ascertain and then monitor a carrier-free forward channel, detects the major station's forward signal and transmits a response signal on the corresponding carrier-free return channel while temporarily inhibiting reception by the minor station of any other signal from any other major station. The major station monitors all carrier-free return channels and detects the response signal to establish a link.

REFERENCES:
patent: 3555424 (1971-01-01), Malm
patent: 3617644 (1971-11-01), Boag
patent: 3634627 (1972-01-01), Velenhni

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