Satellite communication network

Details Satellite communication network Satellite communication network

1989-12-21

1992-08-11

Gregory, Bernarr E.

Pulse or digital communications

Repeaters

Testing

370 18, 370 93, 455 121, H04L 2730

Patent

active

051386313

ABSTRACT:
A satellite communication system has a hub earth station and a plurality of terminal earth stations. Each inbound satellite communication link from a terminal earth station to the hub earth station carries digital data packets encoded in CDMA code for code division multiple access at a first bit rate during synchronized time slots on a contention channel. An outbound communication link from the hub earth station to the terminal earth stations sends time division multiplexed digital data at a second bit rate higher than the first bit rate. A number of systems may share the same hub, with each system using a different CDMA code.

REFERENCES:
patent: 4617674 (1986-10-01), Mangulis et al.
patent: 4637017 (1987-01-01), Assal et al.
patent: 4639937 (1987-01-01), McRae et al.
patent: 4688216 (1987-08-01), Saburi
patent: 4742512 (1988-05-01), Akashi et al.
Ziemer et al., Digital Communications and Spread Spectrum Systems, (MacMillan, 1985; Section 1-3.1, pp. 5-7).

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