Abstract

The d-ary Sidel'nikov sequence S = s0, s1... of period q-1 for a prime power q=pm is a frequently analyzed sequence in the literature. Recently, it turned out that the linear complexity over Fp of the d-ary Sidel'nikov sequence is considerably smaller than the period if the sequence element s(q-1)/2mod(q-1) is chosen adequately. In this paper this work is continued and tight lower bounds on the linear complexity over Fp of the d-ary Sidel'nikov sequence are given. For certain cases exact values are provided. Finally, results on the k-error linear complexity over Fp of the d-ary Sidel'nikov sequence are presented.

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