Polar-Coded Differential/Quadrature Chaos Shift Keying Communication Systems for Underwater Acoustic Channels-Reference-Cited by-同舟云学术

Polar-Coded Differential/Quadrature Chaos Shift Keying Communication Systems for Underwater Acoustic Channels

Published:2024-06-18 Issue:2 Volume:5 Page:476-486
ISSN:2673-4001
Container-title:Telecom
language:en
Short-container-title:Telecom

Author:

Al-Askery Ali Jaber¹^ORCID,Hasan Fadhil Sahib²^ORCID,Yassin Yaser Atta¹

Affiliation:

1. Department of Automation and Control Engineering Techniques, Electrical Engineering Technical College, Middle Technical University, Baghdad 32001, Iraq

2. Electrical Engineering Department, College of Engineering, Mustansiriyah University, Baghdad 10052, Iraq

Abstract

The underwater acoustic (UWA) channel causes large propagation delays and reduces the bit error rate (BER) of wireless communication systems. The t-distribution is the optimal distribution to perform UWA noise. In this study, polar-coded differential chaos shift keying (DCSK) and quadrature chaos shift keying (QCSK) communication with UWA noise are considered. First, we have proposed a PDF for the UWA noise channel, and based on this PDF, the theoretical BER is derived. Second, polar coding’s performance is determined to demonstrate the improvement in the BER performance compared to the uncoded UWA system by means of Monte Carlo simulations. The experimental results prove that the nearest model that is applicable to the UWA channel is a t-distribution with five and six degrees of freedom. The BER formulas of the proposed systems are derived and compared with the simulation results. The results confirm the performance improvement of the polar-coded chaotic modulation systems over uncoded systems in UWA channels.

Publisher

MDPI AG

Link

https://www.mdpi.com/2673-4001/5/2/24/pdf

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