New Construction of Z-Optimal Type-II Even-Length Quadriphase Z-Complementary Pairs

Fanxin ZENG; Xiping HE; Zhenyu ZHANG; Li YAN

doi:10.1587/transfun.2022TAL0001

Special Section on Information Theory and Its Applications

New Construction of Z-Optimal Type-II Even-Length Quadriphase Z-Complementary Pairs

Fanxin ZENG, Xiping HE, Zhenyu ZHANG, Li YAN

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Keywords: Z-complementary pair (ZCP), even-length quadriphase ZCP (EL-QZCP), Type-II EL-QZCP, Golay complementary pair (BGCP)

JOURNAL FREE ACCESS

2023 Volume E106.A Issue 3 Pages 450-453

DOI https://doi.org/10.1587/transfun.2022TAL0001

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Abstract

Type-II Z-complementary pairs (ZCPs) play an important role in suppressing asynchronous interference in a wideband wireless communication system where the minimum interfering-signal delay is large. Based on binary Golay complementary pairs (BGCPs) and interleaving technique, new construction for producing Z-optimal Type-II even-length quadriphase ZCPs (EL-QZCPs) is presented, and the resultant pairs have new lengths in the form of 2 × 2^α10^β26^γ (α, β, γ non-negative integers), which are not included in existing known Type-II EL-QZCPs.

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