Cross Z-Complementary Sets With Flexible Lengths for Optimal Training Design in Spatial Modulation

Cross Z-complementary sets (CZCSs) are useful for optimal training design in spatial modulation (SM) system over frequency-selective channels. Recently, several generic constructions of CZCSs have been proposed based on special sequences. Based on the algebraic tool of generalized Boolean functions,...

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Bibliographic Details
Published in:IEEE transactions on communications Vol. 73; no. 1; pp. 132 - 144
Main Authors: Huang, Zhen-Ming, Hu, Chen, Liu, Zilong, Chen, Chao-Yu
Format: Journal Article
Language:English
Published: New York IEEE 01.01.2025
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Autocorrelation
Boolean functions
Channel estimation
Channels
Cross Z-complementary set (CZCS)
Frequency modulation
generalized Boolean functions (GBFs)
Modulation
Radio frequency
Sequences
spatial modulation (SM)
Symbols
Training
zero correlation zone (ZCZ)
ISSN:0090-6778, 1558-0857
Online Access:Get full text
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Summary:Cross Z-complementary sets (CZCSs) are useful for optimal training design in spatial modulation (SM) system over frequency-selective channels. Recently, several generic constructions of CZCSs have been proposed based on special sequences. Based on the algebraic tool of generalized Boolean functions, we make the first attempt for two constructions of CZCSs having flexible non-power-of-two lengths and large zero correlation zone properties. It is shown that the proposed CZCSs lead to optimal SM training sequences which can achieve the minimum mean square error of channel estimation performance in frequency-selective channels.
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ISSN:0090-6778
1558-0857
DOI:10.1109/TCOMM.2024.3432451