Parallel pseudo-random pattern generating method and pseudo-rand

Details Parallel pseudo-random pattern generating method and pseudo-rand Parallel pseudo-random pattern generating method and pseudo-rand

1994-04-01

1995-07-18

Malzahn, David H.

Boots, shoes, and leggings

G06F 102

Patent

active

054348072

ABSTRACT:
A generating polynomial and a parallel bit number p are input via an input part 21. In an operating control part 22, a k-th power A.sup.k of a characteristic polynomial of a pseudo-random pattern is obtained, then a matrix N.sup.k with rows corresponding to p bits of the k-th power A.sup.k and (n-p) columns not corresponding to the p bits on the said rows is obtained, and then k is obtained for which the rank of the matrix N.sup.k is p. A parallel pattern of p bits from p shift stages of a pseudo-random pattern generator having n shift stages is selected and held by a select/hold part 26. A drive control part 24 drives the select/hold part 26 to output the p-bit parallel pattern each time the pseudo-random pattern generator performs a k-bit shift operation.

REFERENCES:
patent: 5268949 (1993-12-01), Watanabe et al.
patent: 5321641 (1994-06-01), Ohkubo
patent: 5327365 (1994-07-01), Fujisaki et al.
patent: 5331581 (1994-07-01), Ohkubo et al.
patent: 5351300 (1994-09-01), Quisquater et al.

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