Apparatus and method for digitally processing signals in a radio

Details Apparatus and method for digitally processing signals in a radio Apparatus and method for digitally processing signals in a radio

1993-12-20

1995-04-11

Cain, David C.

Cryptography

Communication system using cryptography

Wireless communication

375205, 375334, 370 18, 455 521, 455 65, H04K 110

Patent

active

054066298

ABSTRACT:
A plurality of input signals are processed (75) using a Hadamard transform (52) to produce a combined Walsh covered parallel sequence which is sampled in time. The time samples are commutated (76) by a switch (53) or multiplexer to form a Walsh covered serial sequence. The Walsh covered serial sequence is then quadrature phase shift keyed (77) and transmitted (79).

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Fundamentals of Digital Image Processing by Anil K. Jain, University of California, Davis, 1989 by Prentice-Hall, Inc., pp. 155-159, 185-187.

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