Address coded communication system

Details Address coded communication system Address coded communication system

1982-10-25

1986-01-07

Orsino, Jr., Joseph A.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455617, 455608, 3401462, 3408255, 370 85, 370 94, 370 89, 375 1, H04J 116, H04B 900

Patent

active

045637741

ABSTRACT:
In the disclosed communication system the digital message bits (e.g., data bits) to be transmitted to a particular receiver are individually encoded in the digital address (of K bits) of that receiver. The receiver has a K(stage) correlation circuit which serves to correlate all incoming message information with its own digital address. In the case of a match, autocorrelation peaks appear at intervals determined by the digital message. A feature is to transmit each address sequence a number of times (e.g., 8) so as to reduce the likelihood of error.

REFERENCES:
patent: 3598979 (1971-08-01), Moreau
patent: 4027153 (1977-05-01), Kach
patent: 4027283 (1977-05-01), Tang
patent: 4038644 (1977-07-01), Duke et al.
patent: 4063083 (1977-12-01), Cathey et al.
"Spread-Spectrum Multiple Access Data Loop", by Botaro Hirosaki, Satoshi Hasegawa and Akira Sawai, IEEE National Telecommunications Conference, Nov. 1981, pp. G8.5.1-G8.5.6.
J. J. O'Reilly, "An Optical Technique for Generating Very High Bit-Rate M-Sequences", Sep. 1975, pp. 425-427.
M. M. Mano, Computer System Architecture, 1982, pp. 418-420.

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