Linear feedback shift registers for data scrambling

Details Linear feedback shift registers for data scrambling Linear feedback shift registers for data scrambling

1989-09-07

1990-10-23

Tarcza, Thomas H.

Cryptography

Electric signal modification

Having production of printed copy

364717, 377 72, 380 46, H04L 900, G11C 1900

Patent

active

049658816

ABSTRACT:
A linear feedback shift register for use as a SONET data scrambler, operating in accordance with a generating polynomial of order n corresponding to an n by n transition matrix T, comprises k storage cells, where k>n, for producing a k-bit word, and linear feedback interconnections specified by a k by k transition matrix which is the k-th power of a k by k transition matrix constituted by the matrix T extended by k-n additional rows and columns. Specific examples are described for k=8 and k=16.

REFERENCES:
patent: 3691472 (1972-09-01), Bohman
patent: 3784743 (1974-01-01), Schroeder
patent: 3931473 (1976-01-01), Ferris, Jr.
patent: 4202717 (1980-05-01), Davida et al.
patent: 4771458 (1988-09-01), Citta et al.
Article entitled "Series-parallel Generation of m-sequences" by John J. O'Reilly, The Radio and Electronic Engineer, vol. 45, No. 4, pp. 171-176, Apr. 1975.

Affiliated with

Also associated with

Rating

Linear feedback shift registers for data scrambling does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Linear feedback shift registers for data scrambling, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Linear feedback shift registers for data scrambling will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-772927