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Quadriphase ZComplementary Sequences
Xudong LI Pingzhi FAN Xiaohu TANG Li HAO
Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Vol.E93A
No.11
pp.22512257 Publication Date: 2010/11/01
Online ISSN: 17451337
DOI: 10.1587/transfun.E93.A.2251
Print ISSN: 09168508 Type of Manuscript: Special Section PAPER (Special Section on Signal Design and its Application in Communications) Category: Sequences Keyword: Zcomplementarity, mates, quadriphase sequences, elementary transformations, elementary operations, zero correlation zone,
Full Text: PDF(327.2KB)>>
Summary:
Aperiodic quadriphase Zcomplementary sequences, which include the conventional complementary sequences as special cases, are introduced. It is shown that, the aperiodic quadriphase Zcomplementary pairs are normally better than binary ones of the same length, in terms of the number of Zcomplementary pairs, and the maximum zero correlation zone. New notions of elementary transformations on quadriphase sequences and elementary operations on sets of quadriphase Zcomplementary sequences are presented. In particular, new methods for analyzing the relations among the formulas relative to sets of quadriphase Zcomplementary sequences and for describing the sets are proposed. The existence problem of Zcomplementary pairs of quadriphase sequences with zero correlation zone equal to 2, 3, and 4 is investigated. Constructions of sets of quadriphase Zcomplementary sequences and their mates are given.

