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IEICE TRANSACTIONS on Fundamentals

On Linear Complexity and Schaub Bound for Cyclic Codes by Defining Sequence with Unknown Elements

Junru ZHENG, Takayasu KAIDA

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Summary :

The Schaub bound is one of well-known lower bounds of the minimum distance for given cyclic code C, and defined as the minimum value, which is a lower bound on rank of matrix corresponding a codeword, in defining sequence for all sub-cyclic codes of given code C. In this paper, we will try to show relationships between the Schaub bound, the Roos bound and the shift bound from numerical experiments. In order to reduce computational time for the Schaub bound, we claim one conjecture, from numerical examples in binary and ternary cases with short code length that the Schaub bound can be set the value from only defining sequence of given code C.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E89-A No.9 pp.2337-2340
Publication Date
2006/09/01
Publicized
Online ISSN
1745-1337
DOI
10.1093/ietfec/e89-a.9.2337
Type of Manuscript
Special Section LETTER (Special Section on Sequence Design and its Application in Communications)
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