An analysis of the probabilistic behavior of linear feedback signature registers

TitleAn analysis of the probabilistic behavior of linear feedback signature registers
Publication TypeJournal Article
Year of Publication1989
AuthorsIvanov, A., and V. K. Agarwal
JournalComputer-Aided Design of Integrated Circuits and Systems, IEEE Transactions on
Volume8
Pagination1074 -1088
Date Publishedoct.
ISSN0278-0070
Keywordsaliasing, automatic testing, BIST compaction, built-in self test, digital testing, feedback, linear feedback signature registers, linear-feedback polynomial, logic testing, monitoring heuristic, multiple-input signature registers, polynomials, probabilistic behavior, probability, shift registers, single-stage state probability sequence
Abstract

The authors present an analysis technique useful for studying the probabilistic behavior of signature analysis registers, which is in turn useful for studying the aliasing problem. The technique is applicable to all linear-feedback signature analysis registers, i.e. characterized by any linear-feedback polynomial, including multiple-input signature registers. The basis for the technique is the calculation of a sequence of probabilities where the ith element of the sequence corresponds to the probability that one particular stage of the linear-feedback signature register (LFSR) is in the state 0 or 1 after the ith bit has been shifted in the LFSR. The complexity for calculating such a single-stage state probability sequence is linear in time and space. The authors generalize such sequences to k-stage state probability sequences

URLhttp://dx.doi.org/10.1109/43.39069
DOI10.1109/43.39069

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