Symmetry/Asymmetry in Information and Communication Engineering

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

Deadline for manuscript submissions: 30 April 2024 | Viewed by 1316

Special Issue Editors

College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Korea
Interests: wireless sensor networks; intelligent systems; modelling and simulation
Department of Information Security, Seoul Women’s University, Seoul 01797, Korea
Interests: network security
Cheongju University, Cheongju, South Korea
Interests: cyber security; security education and training; privacy-enhancing technologies
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear colleagues,

Due to our usual daily works being highly linked with information and communication systems, it has become very important to recognize how these services influence our lives. In addition to new emerging technologies and services such as the metaverse, digital twin and remote education services due to the COVID-19 pandemic, the boundary between real world and virtual space has become obscure.

When it comes to recognizing the impact of the computerized services in our daily lives, we need to understand how the software, consisting of this service, is designed and implemented. In this situation, mathematical tools are essential for designing and evaluating the computerized services, symmetry being a basic concept of such a tool. For the design, implementation and evaluation of systems and services in the information and communication area, symmetry can be chosen as an essential and effective theory. This Special Issue is for all topics related to the deployment of symmetry-related mathematical tools for systems and services on information and communication technologies.

The topics of interest include, but are not limited to:

  • Symmetric and asymmetric cryptography for information and communication engineering;
  • Security and privacy enhancement technologies based on symmetric/asymmetric ciphers;
  • Network and security protocols using symmetric key algorithms;
  • Symmetry in real-time rendering;
  • Symmetry in modelling and simulation;
  • Mathematical tools for modelling for information and communication services;
  • DEVS-based information system design and implementation;
  • Blockchain-based service model for modern information and communication services;
  • Digital twin-based information and communication services;
  • Software design and modelling for information and communication services;
  • Metaverse-based information and communication services;
  • Security and privacy models for information and communication systems;
  • Information and communication service evaluation.

Prof. Dr. Tae Ho Cho
Prof. Dr. Hyung Jong Kim
Prof. Dr. Hae Young Lee
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.

Published Papers (1 paper)

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Research

17 pages, 2039 KiB  
Article
ST-DEVS: A Methodology Using Time-Dependent-Variable-Based Spatiotemporal Computation
by Taeho Cho
Symmetry 2022, 14(5), 912; https://0-doi-org.brum.beds.ac.uk/10.3390/sym14050912 - 29 Apr 2022
Viewed by 1002
Abstract
Various real systems are being replicated in cyberspace to solve complex and difficult problems, as exemplified by the digital twin. Once such a software system is implemented, an effective computational method should be applied to the system so that the corresponding real system, [...] Read more.
Various real systems are being replicated in cyberspace to solve complex and difficult problems, as exemplified by the digital twin. Once such a software system is implemented, an effective computational method should be applied to the system so that the corresponding real system, connected by networks or sensors, can be indirectly controlled. Considering that all behaviors in real systems occur in space−time, the behavior-related computation in the corresponding software system should adopt both time and space as essential elements to ensure a valid representation of the real system and to effectively perform subsequent computations. Therefore, applying a spatiotemporal computation consisting of time-dependent variables and temporal statements that use such variables is a natural approach to solving problems encountered in the target real system. In this study, the ST-DEVS (spatiotemporal computation DEVS) formalism is proposed to define time-dependent variables and an execution algorithm on temporal logic statements whose arguments are the time-dependent variables; the ST-DEVS is an extension of the discrete event system specification (DEVS). To control real systems with a certain level of autonomy, at least two basic capabilities must be ensured: monitoring and action execution. In this study, action-type temporal logic with time-dependent variables and an action execution algorithm are proposed to illustrate the effectiveness of the spatiotemporal computation process. The previously defined monitoring capability is integrated into ST-DEVS so that monitoring and action execution can be processed uniformly. The proposed approach is designed considering the symmetry between the real world and the cyber world, in that both worlds are influenced by time and space. Full article
(This article belongs to the Special Issue Symmetry/Asymmetry in Information and Communication Engineering)
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