HF avalanche relay communication technique

Details HF avalanche relay communication technique HF avalanche relay communication technique

1983-12-07

1987-01-27

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

455 18, 455 51, 375100, 375 3, H04B 715

Patent

active

046399372

ABSTRACT:
An "avalanche" relay communication network is configured of a plurality of transceiver stations spread out over a geographic area of interest to establish multipath communication diversity among the stations. The transceiver equipment at each station has the capability of simultaneous transmission over the same frequency through a "common knowledge" network timing scheme such as TDMA and has the capability of taking advantage of received multipath signals. Communications between an originating station and an intended recipient station are achieved by the originating station modulating onto an HF carrier a digital packet formatted to contain the number of times the message is to be repeated and a means of establishing the quality of the received message. All stations which have correctly received the packet repeat that same message on the same carrier frequency at the same preestablished future absolute time (or times, based on the number of repeats).

REFERENCES:
patent: 3858007 (1974-12-01), Ganssmantel
patent: 4012593 (1977-03-01), Yamaguchi
patent: 4255814 (1981-03-01), Osborn
patent: 4365338 (1982-12-01), McRae et al.
patent: 4475246 (1984-10-01), Batlivala et al.
Computer Networks, Andrew Tanenbaum, Prentice-Hall, Inc., 1981, pp. 112, 129, 164, 198, 261, 280.

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