Matrix Reconstruction Algorithm-Assisted Multi-Carrier DCSK Scheme: An Effective Solution for Frequency-Selective Fading Channel

IF 4.6 3区计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS IEEE Wireless Communications Letters Pub Date : 2023-08-01 DOI:10.1109/LWC.2023.3300353

Yiwei Tao;Yi Fang;Pingping Chen;Huan Ma;Mohsen Guizani

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Abstract

In this letter, we develop a matrix reconstruction algorithm-assisted multi-carrier differential chaos shift keying (DCSK) scheme, named MRA-MC-DCSK scheme. Especially, the frequency-selective fading channel is considered in the proposed scheme. We establish a matrix reconstruction algorithm (MRA) to reconstruct the information-bearing signal, which can solve the performance deterioration of the conventional MC-DCSK system over the frequency selective fading channels. Moreover, the designed MRA-MC-DCSK system can achieve the frequency diversity by the reconstructed transmitted symbol. We further analyze the theoretical bit error rate (BER) expressions of the designed MRA-MC-DCSK scheme over the frequency selective multipath Rayleigh fading channels. Finally, we preform various Monte-Carlo experiments to evaluate the performance of the MRA-MC-DCSK. Simulation results demonstrate the validity of the BER analysis and the benefits of the designed MRA-MC-DCSK scheme over the conventional MC-DCSK scheme.

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矩阵重构算法辅助的多载波DCSK方案:一种有效的频率选择性衰落信道解决方案

在本文中，我们开发了一种矩阵重构算法辅助的多载波差分混沌移位键控(DCSK)方案，命名为MRA-MC-DCSK方案。该方案特别考虑了频率选择性衰落信道。为了解决传统MC-DCSK系统在频率选择性衰落信道下性能下降的问题，提出了一种矩阵重构算法(MRA)来重构承载信息的信号。此外，所设计的MRA-MC-DCSK系统可以通过重构的传输符号实现频率分集。进一步分析了所设计的MRA-MC-DCSK方案在频率选择性多径瑞利衰落信道上的理论误码率表达式。最后，我们进行了各种蒙特卡罗实验来评估MRA-MC-DCSK的性能。仿真结果验证了误码率分析的有效性，以及所设计的MRA-MC-DCSK方案优于传统的MC-DCSK方案。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Wireless Communications Letters Engineering-Electrical and Electronic Engineering

CiteScore

12.30

自引率

6.30%

发文量

481

期刊介绍： IEEE Wireless Communications Letters publishes short papers in a rapid publication cycle on advances in the state-of-the-art of wireless communications. Both theoretical contributions (including new techniques, concepts, and analyses) and practical contributions (including system experiments and prototypes, and new applications) are encouraged. This journal focuses on the physical layer and the link layer of wireless communication systems.