Autocorrelation of a class of quaternary sequences of period 2p^m

02/02/2020

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by   Qiuyan Wang, et al.

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Sequences with good randomness properties are quite important for stream ciphers. In this paper, a new class of quaternary sequences is constructed by using generalized cyclotomic classes of Z_2p^m(m≥1). The exact values of autocorrelation of these sequences are determined based on cyclotomic numbers of order 2 with respect to p^m. Results show that the presented sequences have the autocorrelations with at most 4 values.