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Telecom
Special Issues
Vehicular Communications
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Vehicular Communications

A special issue of Telecom (ISSN 2673-4001).

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 14528

Special Issue Editors

Prof. Carlo Augusto Grazia

E-Mail Website
Guest Editor
University of Modena and Reggio Emilia, Department of Engineering “Enzo Ferrari”, Italy
Interests: vehicular communications; IEEE 802.11p; wireless protocols on Linux systems; AQM and packet scheduling
Dr. Natale Patriciello

E-Mail Website
Guest Editor
Centre Tecnològic Telecomunicacions Catalunya, Barcelona, Spain
Interests: computer networking and theoretical computer science
Dr. Martin Klapez

E-Mail Website
Guest Editor
University of Modena and Reggio Emilia, Department of Engineering “Enzo Ferrari”, Italy
Interests: public safety networks and seismic alert systems; network softwarization and green 5G architectures; safety-related V2X communications

Special Issue Information

Dear Colleagues,

Vehicular communications are one of the steering topics of the ICT world. Connected vehicles trigger the focus on new technologies, new applications, and new ways to deal with information and data. Additionally, the business behind moving such data from inside the vehicle to outside the vehicle is acquiring importance every day. Solutions for dealing with connected vehicles must take into account a vast range of aspects, resulting in an innovative and challenging topic.

The technologies proposed in recent years have moved from unlicensed spectra, such as IEEE 802.11p, ad-hoc networking, Bluetooth, etc., to licensed spectra, such as LTE, 5G, and beyond. The former group guarantees an easy way to connect vehicles with each other, with point-to-point direct connections, enabling infrastructure-less data exchange with vehicle-to-vehicle (V2V) communications.

The latter group, by contrast, relies on long-range technologies and the presence of a working infrastructure to guarantee vehicular-to-infrastructure (V2I) communications, which ends with the potential of having all the vehicles connected to the Internet. Hybrid solutions might have the potential to guarantee V2V or V2I capabilities, depending on the environment, providing a flexible configuration with respect to the application considered.

Although the time for mass deployment seems near, several issues still remain to be solved, starting with the need for novel applications to boost innovation. What we are missing now is an improvement of throughput and coverage, latency suppression, robust security and positioning, and simulations and models to validate all of these aspects of the global vehicular communication system.

This Special Issue solicits the submission of high-quality and unpublished papers that aim to solve open technical problems and challenges related to vehicular communications. Both theoretical and experimental studies are encouraged, as well as high-quality review and survey papers.

Prof. Carlo Augusto Grazia
Dr. Natale Patriciello
Dr. Martin Klapez
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. Telecom is an international peer-reviewed open access quarterly 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 1200 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

  • Vehicular communications
  • Inter- and intravehicular communications
  • Infrastructure and infrastructure-less architectures and protocols for prompt response
  • Interoperability (radio spectrum, wireless technologies, network architectures)
  • Safety related communications in V2X environments
  • Synchronization problems in V2X
  • Wireless technologies for advanced applications (e.g., platooning, intersection management, remote driving)
  • Crowd sensing vehicular networks
  • C-V2X and its evolution through 5G and beyond
  • IEEE 802.11p/ITS-G5 and enhancements
  • Hybrid wireless communications for connected vehicles
  • New PHY/MAC solutions for connected vehicles
  • mmWave, visible light communications, and other technologies applied to connected vehicles
  • Full duplex radios applied to connected vehicles
  • Testbeds and experiments about connected vehicles
  • Large scale simulations of connected vehicles
  • Precise localization for connected vehicles
  • Security and privacy issues

Published Papers (3 papers)

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Research

20 pages, 3644 KiB  
Article
Call Blocking Probabilities under a Probabilistic Bandwidth Reservation Policy in Mobile Hotspots
by Irene P. Keramidi, Ioannis D. Moscholios and Panagiotis G. Sarigiannidis
Telecom 2021, 2(4), 554-573; https://0-doi-org.brum.beds.ac.uk/10.3390/telecom2040031 - 10 Dec 2021
Cited by 7 | Viewed by 2163
Abstract
In this paper we study a mobility-aware call admission control algorithm in a mobile hotspot. To this end, a vehicle is considered which has an access point with a fixed capacity. The vehicle alternates between stop and moving phases. When the vehicle is [...] Read more.
In this paper we study a mobility-aware call admission control algorithm in a mobile hotspot. To this end, a vehicle is considered which has an access point with a fixed capacity. The vehicle alternates between stop and moving phases. When the vehicle is in the stop phase, it services new and handover calls by prioritizing them via a probabilistic bandwidth reservation (BR) policy. Based on this policy, new handover calls may enter the reservation space with a predefined probability. When the vehicle is in the moving phase, it services new calls only. In that phase, two different policies are considered: (a) the classical complete sharing (CS) policy, where new calls are accepted in the system whenever there exists available bandwidth, and (b) the probabilistic BR policy. Depending on the selected policy in the moving phase, we propose the probabilistic BR loss model (if the CS policy is selected) and the generalized probabilistic BR loss model (if the probabilistic BR policy is selected). In both stop and moving phases, where the call arrival process is Poisson, calls require a single bandwidth unit in order to be accepted in the system, while the service time is exponentially distributed. To analytically determine call blocking probabilities and the system’s utilization, we propose efficient iterative algorithms based on two-dimensional Markov chains. The accuracy of the proposed algorithms is verified via simulation. Full article
(This article belongs to the Special Issue Vehicular Communications)
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26 pages, 3179 KiB  
Article
V2X Communication over Cellular Networks: Capabilities and Challenges
by Athanasios Kanavos, Dimitrios Fragkos and Alexandros Kaloxylos
Telecom 2021, 2(1), 1-26; https://0-doi-org.brum.beds.ac.uk/10.3390/telecom2010001 - 13 Jan 2021
Cited by 15 | Viewed by 7115
Abstract
Vehicular communications is expected to be one of the key applications for cellular networks during the following decades. Key international organizations have already described in detail a number of related use cases, along with their requirements. This article provides a comprehensive analysis of [...] Read more.
Vehicular communications is expected to be one of the key applications for cellular networks during the following decades. Key international organizations have already described in detail a number of related use cases, along with their requirements. This article provides a comprehensive analysis of these use cases and a harmonized view of the requirements for the latest and most advanced autonomous driving applications. It also investigates the extent of support that 4G and 5G networks can offer to these use cases in terms of delay and spectrum needs. The paper identifies open issues and discusses trends and potential solutions. Full article
(This article belongs to the Special Issue Vehicular Communications)
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16 pages, 2102 KiB  
Article
Hybrid Multi-Antenna Techniques for V2X Communications—Prototyping and Experimentation
by Konstantinos Maliatsos, Leonidas Marantis, Petros S. Bithas and Athanasios G. Kanatas
Telecom 2020, 1(2), 80-95; https://0-doi-org.brum.beds.ac.uk/10.3390/telecom1020007 - 07 Jul 2020
Cited by 6 | Viewed by 4233
Abstract
The support of the connected vehicle-to-everything (V2X) vision in conjunction with intelligent transportation system applications and services constitute a major 5G objective for modern radio systems and networks. More particularly, 5G deployment will involve multiple radio access network (RAN) technologies and a massive [...] Read more.
The support of the connected vehicle-to-everything (V2X) vision in conjunction with intelligent transportation system applications and services constitute a major 5G objective for modern radio systems and networks. More particularly, 5G deployment will involve multiple radio access network (RAN) technologies and a massive machine-type communication environment, offering a simultaneously supported variety of broadcast, multicast, and unicast applications. In this article, we present an implementation of a diversity engine able to support the multi-objective, multi-RAN, multi-service V2X use cases. The engine is enhanced with the adoption of a hybrid diversity scheme that exploits the beamshaping capabilities of the reconfigurable electronically switched parasitic array radiator (ESPAR) antennas. The hybrid scheme combines conventional maximal ratio combining with beamspace diversity and it improves system performance in terms of reliability and throughput with increased signal-to-noise ratio. It was implemented and demonstrated with integration of novel printed antennas on connected, vehicle-to-vehicle (V2V)-enabled trucks in the context of the Horizon 2020 project ROADART. Full article
(This article belongs to the Special Issue Vehicular Communications)
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