System of orthogonal code generators, radios provided with a cod

Details System of orthogonal code generators, radios provided with a cod System of orthogonal code generators, radios provided with a cod

1988-04-15

1989-10-03

Cangialosi, Salvatore

Cryptography

Communication system using cryptography

Wireless communication

380 46, 375 1, H04L 904

Patent

active

048722006

ABSTRACT:
System of orthogonal code generators, where a first code generator (1) generates a code sequence from a running counter reading (2) which sequence is different from the code generated by a second code generator (1') directed by the same counter reading. Each code generator comprises a number of individually arranged and counter-reading directed subcode generators (3.i), each generating a subcode (g.sub.i) together representing the code, where at least one subcode generator 3.i of the first code generator (1) generates a subcode (g.sub.i) which is different from the subcode g.sub.i ' of the similarly arranged subcode generator (3.i') of the second code generator (1').

REFERENCES:
patent: 3920894 (1975-11-01), Shirley et al.
patent: 4225935 (1980-09-01), Zscheile, Jr. et al.
patent: 4308617 (1981-12-01), German, Jr.
patent: 4341925 (1982-07-01), Doland
patent: 4667301 (1987-05-01), Chiu et al.
patent: 4685132 (1987-08-01), Bishop et al.
patent: 4694412 (1987-09-01), Domenik et al.

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