Walsh code generator, signal transmitting apparatus and signal r

Details Walsh code generator, signal transmitting apparatus and signal r Walsh code generator, signal transmitting apparatus and signal r

1996-06-20

2000-09-05

Ghebretinsae, Temesghen

Pulse or digital communications

Repeaters

Testing

370209, 364727, H04B 169

Patent

active

061154105

ABSTRACT:
A Walsh code generator capable of performing signal processing at a high speed using the codewords of the Walsh code. A binary counter 3 generates a count signal counting upper (n-m) digits of a codeword number corresponding to a codeword of a Walsh code of plural bits. A parallel generation controller 4 generates, by the count signal and upper (n-m) bits of the codeword number, a parallel generation control signal for causing bits making up the codeword to be generated in parallel. A parallel Walsh code generator 5 generates the codeword in parallel by the parallel generation control signal and the lower m bits of the codeword number. The Walsh code generator may be reduced in the maximum operating frequency, while its power consumption may be lowered.

REFERENCES:
patent: 3618077 (1971-11-01), Peterson
patent: 3795864 (1974-03-01), Fullton, Jr.
patent: 5311176 (1994-05-01), Gurney
patent: 5383219 (1995-01-01), Wheatley, III et al.
patent: 5623485 (1997-04-01), Bi

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