New M -Ary Sequence Families With Low Correlation and Large Size
New M -Ary Sequence Families With Low Correlation and Large Size
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DOI:
10.1109/tit.2009.2013040
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发表时间:
2009-04
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影响因子:
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通讯作者:
Yun Kyoung Han;Kyeongcheol Yang
中科院分区:
文献类型:
--
作者:
Yun Kyoung Han;Kyeongcheol Yang
In this paper, we construct four M-ary sequence families from a power residue sequence of odd prime period p and its constant multiple sequences using the shift-and-add method, when M is a divisor of p-1. We show that the maximum correlation values of the proposed sequence families are upper-bounded by 2radicp +5 or 3radicp +4. In addition, we prove that the linear complexity of each sequence in the proposed families is either p-1 or p-[(p-1)/(M)]-1 . We also construct an M-ary sequence family from Sidel'nikov sequences of period p m-1 by applying the same method, when M is a divisor of p m-1. The proposed sequence family F tilde s has larger size than the known M-ary Sidel'nikov sequence families, whereas they all have the same upper bound on the maximum correlation.