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Cross Z-Complementary Pairs (CZCPs) for Optimal Training in Broadband Spatial Modulation Systems

Liu, Zilong, Yang, Ping, Guan, Yong Liang and Xiao, Pei (2020) Cross Z-Complementary Pairs (CZCPs) for Optimal Training in Broadband Spatial Modulation Systems In: 2020 IEEE International Symposium on Information Theory, 21st - 26th June, 2020, Los Angeles, California, USA.

ISIT2020_ZL.pdf - Accepted version Manuscript

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Spatial modulation (SM) is a new multiple-input multiple-output (MIMO) paradigm in which only one transmit antenna is activated over every symbol duration. So far, efficient SM training sequences (different from the existing design for conventional MIMO systems) remain largely open. Motivated by this research problem, we introduce a novel class of sequence pairs, called “cross Z-complementary pairs (CZCPs)", each displaying zero-correlation zone (ZCZ) properties for both their aperiodic autocorrelation sums and crosscorrelation sums. A CZCP may be transmitted in two non-orthogonal SM channels and hence proper design should be conducted to minimize the cross-interference of the two constituent sequences. We construct perfect CZCPs based on selected Golay complementary pairs. We show that the training sequences derived from our proposed CZCPs lead to optimal channel estimation performance over frequency-selective SM channels.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
Liu, Zilong
Yang, Ping
Guan, Yong Liang
Date : 31 March 2020
Depositing User : James Marshall
Date Deposited : 02 Apr 2020 15:56
Last Modified : 02 Apr 2020 15:56

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