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Symmetry
Special Issues
Optimization and Applications of Modern Wireless Networks and Symmetry II
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Optimization and Applications of Modern Wireless Networks and Symmetry II

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Computer".

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 1653

Special Issue Editors

Prof. Dr. Pingping Chen

E-Mail Website
Guest Editor
School of Physics and Information, Fuzhou University, Fuzhou 350116, China
Interests: reliable wireless communications; channel coding for wireless communications; wirelesss physcial network coding; low-complexity channel decoding
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Yi Fang

E-Mail Website
Guest Editor
School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China
Interests: channel coding; coded modulation; wireless communication; machine learning
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Long Shi

E-Mail Website
Guest Editor
School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
Interests: blockchain; mobile edge computing; wireless network coding
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Channel-coding techniques are widely used in modern wireless communications to enhance reliability and spectral efficiency. In particular, low-density parity check (LDPC) codes and polar codes are being optimized for the next wireless standard. Moreover, over the past two decades, physical network coding was invented to improve wireless throughput, together with channel coding. This underlines the importance of modern symmetry or asymmetry wireless communications.

Due to the future demands of IoT/5G communications, this research topic welcomes research that discusses channel coding, multi-access, physical network coding, and the related communication and network techniques for IoT/5G, and aims to present new research directions in the emerging fields of research.

Prof. Dr. Pingping Chen
Prof. Dr. Yi Fang
Prof. Dr. Long Shi
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Symmetry is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • wireless communications
  • IoT
  • 5G communications
  • network techniques
  • channel coding
  • LDPC

Published Papers (1 paper)

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Research

14 pages, 3709 KiB  
Article
Adaptation of Signal with NOMA and Polar Codes to the Rayleigh Channel
by Dmitriy Pokamestov, Yakov Kryukov, Eugeniy Rogozhnikov, Georgiy Shalin, Artem Shinkevich and Serafim Novichkov
Symmetry 2022, 14(10), 2103; https://doi.org/10.3390/sym14102103 - 10 Oct 2022
Cited by 2 | Viewed by 1177
Abstract
Polar codes are one of the most effective methods of error correction coding. Currently, these codes are used in 5G communication systems and are the main candidate for 6G. Symmetry plays an important role in coding and decoding algorithms for polar codes. Modulation [...] Read more.
Polar codes are one of the most effective methods of error correction coding. Currently, these codes are used in 5G communication systems and are the main candidate for 6G. Symmetry plays an important role in coding and decoding algorithms for polar codes. Modulation and multiple access methods are the basis for a physical layer along with error correction codes. Non-Orthogonal Multiple Access (NOMA) methods are a promising technology for future telecommunication systems. They allow the increase of both spectral efficiency and the quantity of subscribers of a communication system. In this paper, we consider a communication system with polar codes, traditional orthogonal multiple access (OMA), and NOMA. The channel with multipath propagation, which can be defined by the Rayleigh channel model, is especially difficult to transmit. We propose a method for adapting signals with polar codes to a channel state based on the analysis of channel matrix and permutation of logical subchannels. The results obtained demonstrate efficiency compared to classical solutions and do not really increase the computational complexity of signal processing and decoding. Full article
(This article belongs to the Special Issue Optimization and Applications of Modern Wireless Networks and Symmetry II)
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