Binary Cross Z-Complementary Pairs With Flexible Lengths From Boolean Functions

In this letter, a novel construction of binary cross Z-complementary pairs (CZCPs) based on Boolean functions is proposed. CZCPs have been proposed to be used as training sequences in the spatial modulation system. Due to their zero correlation zone (ZCZ) properties for autocorrelation sums and cros...

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Bibliographic Details
Published in:IEEE communications letters 2021-04, Vol.25 (4), p.1057-1061
Main Authors: Huang, Zhen-Ming, Pai, Cheng-Yu, Chen, Chao-Yu
Format: Article
Language:English
Subjects:
Boolean
Boolean algebra
Boolean function
Boolean functions
Channel estimation
Codes
Correlation
Cross correlation
Cross Z-complementary pair (CZCP)
Golay complementary pair (GCP)
Radio frequency
Sequences
Sums
Systematics
Training
Upper bound
Z-complementary pair (ZCP)
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Summary:In this letter, a novel construction of binary cross Z-complementary pairs (CZCPs) based on Boolean functions is proposed. CZCPs have been proposed to be used as training sequences in the spatial modulation system. Due to their zero correlation zone (ZCZ) properties for autocorrelation sums and cross-correlation sums, optimal channel estimation performance over frequency-selective channels can be achieved. In the literature, most constructions of CZCPs are based on existing Golay complementary pairs (GCPs); only one method is based on Boolean functions. However, the length of CZCPs from Boolean functions is very limited. In this letter, the proposed construction can generate CZCPs with more flexible lengths and large ZCZ widths.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2020.3045727