New Families of Optimal Zero Correlation Zone Sequences Based on Interleaved Technique and Perfect Sequences

Zhengchun ZHOU  Zhen PAN  Xiaohu TANG  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E91-A   No.12   pp.3691-3697
Publication Date: 2008/12/01
Online ISSN: 1745-1337
DOI: 10.1093/ietfec/e91-a.12.3691
Print ISSN: 0916-8508
Type of Manuscript: Special Section PAPER (Special Section on Signal Design and its Applications in Communications)
Category: Sequence
quasi-synchronous CDMA,  zero correlation zone (ZCZ) sequences,  interleaved sequences,  Hadamard matrices,  

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In this paper, based on interleaved technique, we present a new method of constructing zero correlation zone (ZCZ) sequence sets. For any perfect sequence of length m(2k+1) with m > 2, k ≥ 0 and an arbitrary Hadamard matrix of order T > 2, the proposed construction can generate new optimal ZCZ sequence sets in which all the sequences are cyclically distinct.