New Construction of Optimal p2-Ary Low Correlation Zone Sequence Sets

Yubo LI  Kai LIU  Chengqian XU  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E98-A   No.6   pp.1288-1294
Publication Date: 2015/06/01
Online ISSN: 1745-1337
DOI: 10.1587/transfun.E98.A.1288
Type of Manuscript: PAPER
Category: Information Theory
quasi-synchronous CDMA,  p2-ary sequence,  low correlation zone (LCZ),  interleaving technique,  column sequences,  

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In this correspondence, a generic method of constructing optimal p2-ary low correlation zone sequence sets is proposed. Firstly p2-ary column sequence sets are constructed, then p2-ary LCZ sequence sets with parameters (pn-1, pm-1, (pn-1)/(pm-1),1) are constructed by using column sequences and interleaving technique. The resultant p2-ary LCZ sequence sets are optimal with respect to the Tang-Fan-Matsufuji bound.