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http://dx.doi.org/10.6109/jkiice.2014.18.3.609

Analysis of Linear Span of Non-linear Binary Sequences with Decimation d=2m-2(2m+3)  

Yim, Ji-Mi (Department of Applied Mathematics, Pukyong National University)
Cho, Sung-Jin (Department of Applied Mathematics, Pukyong National University)
Kim, Han-Doo (Department of Applied Mathematics, Inje University)
Kim, Seok-Tae (Department of Information and Communication Engineering, Pukyong National University)
Abstract
Large linear span makes difficult to predict, so this study is important to the security and code system. It has been studied about the non-linear binary sequences having low correlation values and large linear span. In this paper we analyze the linear span of $S^r_a(t)=Tr^m_1\{[Tr^n_m(a{\alpha}^t+{\alpha}^{dt})]^r\}$ ($a{\in}GF(2^m)$, $0{\leq}t{\leq}2^m-2$) where n=2m and $d=2^{m-2}(2^m+3)$.
Keywords
linear span; non-linear binary sequence; decimation; finite fields; trace;
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Times Cited By KSCI : 1  (Citation Analysis)
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