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Electronics
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Delay Tolerant Networks and Applications, 2nd Edition
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Delay Tolerant Networks and Applications, 2nd Edition

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Networks".

Deadline for manuscript submissions: closed (15 April 2024) | Viewed by 3751

Special Issue Editors

Prof. Dr. Vasco N. G. J. Soares

E-Mail Website
Guest Editor
1. Department of Computer Engineering, Polytechnic Institute of Castelo Branco, Av. Pedro Álvares Cabral, n° 12, 6000-084 Castelo Branco, Portugal
2. Instituto de Telecomunicações, Rua Marquês d’Ávila e Bolama, 6201-001 Covilhã, Portugal
3. AMA—Agência para a Modernização Administrativa, Rua de Santa Marta, n° 55, 1150-294 Lisboa, Portugal
Interests: vehicular networks; delay-/disruption-tolerant networks; Internet of Things; smart cities; smart farming
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Joel J. P. C. Rodrigues

E-Mail Website
Guest Editor
1. Post-Graduation Program on Electrical Engineering, Federal University of Piauí (UFPI), Teresina, Brazil
2. Senior Researcher, Instituto de Telecomunicações, Covilhã, Portugal
Interests: vehicular communications; Internet of Things; eHealth technologies
Special Issues, Collections and Topics in MDPI journals
Dr. João M. L. P. Caldeira

E-Mail Website
Guest Editor
1. Polytechnic Institute of Castelo Branco, Av. Pedro Álvares Cabral No 12, 6000-084 Castelo Branco, Portugal
2. Instituto de Telecomunicações, Rua Marquês d’Ávila e Bolama, 6201-001 Covilhã, Portugal
Interests: mobility support for wireless sensor networks; Internet of Things; smart cities; smart farming
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Delay- and disruption-tolerant networking (DTN) is an active research area due to its importance and applicative potential in an extensive range of challenging scenarios and environments. DTNs comprise either only mobile nodes, or both fixed nodes and mobile nodes moving around and occasionally coming into each other's proximity. Communication opportunities are usually short and sporadic, thereby making node-to-node communications extremely challenging and resulting in a very slow data dissemination process. Potential DTN applications include, but are not limited to, interplanetary networks, vehicular networks, networks for emergency response, disaster recovery, military operations, environmental sensing, tracking and monitoring applications, and communications in remote and rural areas and developing countries.

This Special Issue aims to connect researchers, academicians, scientists, and students, and provide a platform that enables them to exchange their ideas, experiences, and latest research results on DTNs and their applications.

The topics of this Special Issue include, but are not limited to, the following:

  • Technologies and standards
  • Architectures, protocols, and algorithms
  • Data management and analytics
  • Network performance
  • Modeling and simulation
  • Prototypes, testbeds, and case studies
  • Applications
  • Security, privacy, and trust
  • Integration with infrastructure-based networks

Prof. Dr. Vasco N. G. J. Soares
Prof. Dr. Joel J. P. C. Rodrigues
Dr. João M. L. P. Caldeira
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. Electronics is an international peer-reviewed open access semimonthly 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

  • delay-tolerant networks
  • disruption-tolerant networks (DTN)
  • opportunistic networks
  • network architecture
  • protocols
  • algorithms
  • prototype
  • testbed
  • simulation
  • modeling
  • application scenarios
  • applications

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Related Special Issue

Published Papers (3 papers)

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Research

23 pages, 10006 KiB  
Article
Operational Tests for Delay-Tolerant Network between the Moon and Earth Using the Korea Pathfinder Lunar Orbiter in Lunar Orbit
by Inkyu Kim, Sang Ik Han and Dongsoo Har
Electronics 2024, 13(15), 3088; https://doi.org/10.3390/electronics13153088 - 4 Aug 2024
Viewed by 946
Abstract
The Korea Pathfinder Lunar Orbiter (KPLO) was launched on 5 August 2022, equipped on the SpaceX Falcon 9 launch vehicle. At present, the KPLO is effectively carrying out its scientific mission in lunar orbit. The KPLO serves as a cornerstone for the development [...] Read more.
The Korea Pathfinder Lunar Orbiter (KPLO) was launched on 5 August 2022, equipped on the SpaceX Falcon 9 launch vehicle. At present, the KPLO is effectively carrying out its scientific mission in lunar orbit. The KPLO serves as a cornerstone for the development and validation of Korean space science and deep space technology. Among its payloads is the DTNPL, enabling the first-ever test of delay-tolerant network (DTN) technology for satellites in lunar orbit. DTN technology represents a significant advancement in space communication, offering stable communication capabilities characterized by high delay tolerance, reliability, and asymmetric communication speeds—a necessity for existing satellite and space communication systems to evolve. In this paper, we briefly give an overview of the Korea Lunar Exploration Program (KLEP) and present scientific data gathered through the KPLO mission. Specifically, we focus on the operational tests for DTN-ION conducted for message and file transfer, as well as real-time video streaming, during the initial operations of the KPLO. Lastly, this study offers insights and lessons learned from KPLO DTNPL operations, with the goal of providing valuable guidance for future advancements in space communication. Full article
(This article belongs to the Special Issue Delay Tolerant Networks and Applications, 2nd Edition)
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18 pages, 4491 KiB  
Article
ML-Enhanced Live Video Streaming in Offline Mobile Ad Hoc Networks: An Applied Approach
by Manuel Jesús-Azabal, Vasco N. G. J. Soares and Jaime Galán-Jiménez
Electronics 2024, 13(8), 1569; https://doi.org/10.3390/electronics13081569 - 19 Apr 2024
Cited by 1 | Viewed by 1078
Abstract
Live video streaming has become one of the main multimedia trends in networks in recent years. Providing Quality of Service (QoS) during live transmissions is challenging due to the stringent requirements for low latency and minimal interruptions. This scenario has led to a [...] Read more.
Live video streaming has become one of the main multimedia trends in networks in recent years. Providing Quality of Service (QoS) during live transmissions is challenging due to the stringent requirements for low latency and minimal interruptions. This scenario has led to a high dependence on cloud services, implying a widespread usage of Internet connections, which constrains contexts in which an Internet connection is not available. Thus, alternatives such as Mobile Ad Hoc Networks (MANETs) emerge as potential communication techniques. These networks operate autonomously with mobile devices serving as nodes, without the need for coordinating centralized components. However, these characteristics lead to challenges to live video streaming, such as dynamic node topologies or periods of disconnection. Considering these constraints, this paper investigates the application of Artificial Intelligence (AI)-based classification techniques to provide adaptive streaming in MANETs. For this, a software-driven architecture is proposed to route stream in offline MANETs, predicting the stability of individual links and compressing video frames accordingly. The proposal is implemented and assessed in a laboratory context, in which the model performance and QoS metrics are analyzed. As a result, the model is implemented in a decision forest algorithm, which provides 95.9% accuracy. Also, the obtained latency values become assumable for video streaming, manifesting a reliable response for routing and node movements. Full article
(This article belongs to the Special Issue Delay Tolerant Networks and Applications, 2nd Edition)
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18 pages, 797 KiB  
Article
Dynamic Co-Operative Energy-Efficient Routing Algorithm Based on Geographic Information Perception in Opportunistic Mobile Networks
by Tong Wang, Jianqun Cui, Yanan Chang, Feng Huang and Yi Yang
Electronics 2024, 13(5), 868; https://doi.org/10.3390/electronics13050868 - 23 Feb 2024
Cited by 1 | Viewed by 937
Abstract
Opportunistic mobile networks, as an important supplement to the traditional communication methods in unique environments, are composed of mobile communication devices. It is a network form that realizes message transmission by using the opportune encounter of these mobile communication devices. Consequently, mobile communication [...] Read more.
Opportunistic mobile networks, as an important supplement to the traditional communication methods in unique environments, are composed of mobile communication devices. It is a network form that realizes message transmission by using the opportune encounter of these mobile communication devices. Consequently, mobile communication devices necessitate periodic contact detection in order to identify potential communication opportunities, thereby leading to a substantial reduction in the already limited battery life of such devices. Previous studies on opportunistic networks have often utilized geographic information in routing design to enhance message delivery rate. However, the significance of geographic information in energy conservation has been overlooked. Furthermore, previous research on energy-efficient routing has lacked diversification in terms of the methods employed. Therefore, this paper proposes a dynamic co-operative energy-efficient routing algorithm based on geographic information perception (DCEE-GIP) to leverage geographic information to facilitate dynamic co-operation among nodes and optimize node sleep time through probabilistic analysis. The DCEE-GIP routing and other existing algorithms were simulated using opportunistic network environment (ONE) simulation. The results demonstrate that DCEE-GIP effectively extends network service time and successfully delivers the most messages. The service time of DCEE-GIP increased by 8.05∼31.11%, and more messages were delivered by 14.82∼115.9%. Full article
(This article belongs to the Special Issue Delay Tolerant Networks and Applications, 2nd Edition)
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