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Computers
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Vehicular Networking and Intelligent Transportation Systems 2023
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Vehicular Networking and Intelligent Transportation Systems 2023

A special issue of Computers (ISSN 2073-431X).

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 6210

Special Issue Editors

Dr. Francisco J. Martinez

E-Mail Website
Guest Editor
Department of Computer Science and System Engineering, University of Zaragoza, Zaragoza, Spain
Interests: VANET simulation; intelligent transportation systems; traffic safety; 802.11p; warning messages; Artificial Intelligence; vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communications
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Carlos Tavares Calafate

E-Mail Website
Guest Editor
Computer Engineering Department (DISCA), Universitat Politècnica de València (UPV), 46022 Valencia, Spain
Interests: UAV networking and communications solutions; drone swarms; UAS traffic management (UTM); IoT; Traffic management
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The sixth International Workshop on Vehicular Networking and Intelligent Transportation Systems (VENITS'23) will be held in Hong Kong, China, on 18 July, 2023, which aims to gather researchers, engineers, students, and technologists to exchange, discuss, and share their experiences, ideas, and research results on both the theoretical and practical aspects of wireless networking and transportation technologies. For more details, see: https://grc.webs.upv.es/events/VENITS/2023/cfp.html. 

The authors of a number of high-quality full papers will be invited after the workshop to submit revised and extended versions of their originally accepted workshop papers to this Special Issue of Computers, published by MDPI, in open access format. The selection of these papers will be based on their ratings in the conference review process, the quality of the presentation during the conference, and the expected impact on the research community. Each submission to this Special Issue should contain at least 50% new material, e.g., in the form of technical extensions; more in-depth evaluations; or additional use cases; and a change in the title, abstract, and keywords. These extended submissions will undergo a peer-review process according to the journal’s rules of action. 

We are also inviting regular papers to this Special Issue. The topics of interest include, but are not limited to, the following:

  • Wireless vehicular networking (aerial, terrestrial and maritime vehicles).
  • Congestion and admission control in dense vehicular networks.
  • Content distribution in wireless vehicular environments.
  • Smartphone/vehicle integration.
  • Edge solutions for ITS.
  • Cooperative sensing of road conditions.
  • Network and system architectures for mobile vehicular computing.
  • DSRC/WAVE communications. DSRC alternatives and supporting technologies.
  • 5G/6G technologies for vehicular environments. Network protocols and algorithms, including clustering, routing, etc.
  • Integration with aerial, terrestrial, and maritime autonomous vehicles.
  • UAV support for ground vehicle communications and services.
  • Statistical analysis, prediction, and management of vehicular mobility.
  • Multimedia communications in vehicular scenarios.
  • Models, simulators, and tools for vehicular environments.
  • Communications for the safety of vulnerable road users.
  • Communications for automated driving.
  • Security and trust issues in vehicular environments.

Dr. Francisco J. Martinez
Prof. Dr. Carlos Tavares Calafate
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. Computers 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 1800 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 (4 papers)

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Research

13 pages, 4846 KiB  
Article
Linear Actuators in a Haptic Feedback Joystick System for Electric Vehicles
by Kamil Andrzej Daniel, Paweł Kowol and Grazia Lo Sciuto
Computers 2024, 13(2), 48; https://doi.org/10.3390/computers13020048 - 06 Feb 2024
Viewed by 1283
Abstract
Several strategies for navigation in unfamiliar environments have been explored, notably leveraging advanced sensors and control algorithms for obstacle recognition in autonomous vehicles. This study introduces a novel approach featuring a redesigned joystick equipped with stepper motors and linear drives, facilitating WiFi communication [...] Read more.
Several strategies for navigation in unfamiliar environments have been explored, notably leveraging advanced sensors and control algorithms for obstacle recognition in autonomous vehicles. This study introduces a novel approach featuring a redesigned joystick equipped with stepper motors and linear drives, facilitating WiFi communication with a four-wheel omnidirectional electric vehicle. The system’s drive units integrated into the joystick and the encompassing control algorithms are thoroughly examined, including analysis of stick deflection measurement and inter-component communication within the joystick assembly. Unlike conventional setups in which the joystick is tilted by the operator, two independent linear drives are employed to generate ample tensile force, effectively “overpowering” the operator’s input. Running on a Raspberry Pi, the software utilizes Python programming to enable joystick tilt control and to transmit orientation and axis deflection data to an Arduino unit. A fundamental haptic effect is achieved by elevating the minimum pressure required to deflect the joystick rod. Test measurements encompass detection of obstacles along the primary directions perpendicular to the electric vehicle’s trajectory, determination of the maximum achievable speed, and evaluation of the joystick’s maximum operational range within an illuminated environment. Full article
(This article belongs to the Special Issue Vehicular Networking and Intelligent Transportation Systems 2023)
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20 pages, 1362 KiB  
Article
A Multi-Channel Packet Scheduling Approach to Improving Video Delivery Performance in Vehicular Networks
by Pedro Pablo Garrido Abenza, Manuel P. Malumbres, Pablo Piñol and Otoniel López-Granado
Computers 2024, 13(1), 16; https://doi.org/10.3390/computers13010016 - 04 Jan 2024
Viewed by 1302
Abstract
When working with the Wireless Access in Vehicular Environment (WAVE) protocol stack, the multi-channel operation mechanism of the IEEE 1609.4 protocol may impact the overall network performance, especially when using video streaming applications. In general, packets delivered from the application layer during a [...] Read more.
When working with the Wireless Access in Vehicular Environment (WAVE) protocol stack, the multi-channel operation mechanism of the IEEE 1609.4 protocol may impact the overall network performance, especially when using video streaming applications. In general, packets delivered from the application layer during a Control Channel (CCH) time slot have to wait for transmission until the next Service Channel (SCH) time slot arrives. The accumulation of packets at the beginning of the latter time slot may introduce additional delays and higher contention when all the network nodes try, at the same time, to obtain access to the shared channel in order to send the delayed packets as soon as possible. In this work, we have analyzed these performance issues and proposed a new method, which we call SkipCCH, that helps the MAC layer to overcome the high contention produced by the packet transmission bursts at the beginning of every SCH slot. This high contention implies an increase in the number of packet losses, which directly impacts the overall network performance. With our proposal, streaming video in vehicular networks will provide a better quality of reconstructed video at the receiver side under the same network conditions. Furthermore, this method has particularly proven its benefits when working with Quality of Service (QoS) techniques, not only by increasing the received video quality but also because it avoids starvation of the lower-priority traffic. Full article
(This article belongs to the Special Issue Vehicular Networking and Intelligent Transportation Systems 2023)
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19 pages, 4843 KiB  
Article
A Robust Timing Synchronization Algorithm Based on PSSS for LTE-V2X
by Ju Zhang, Bin Chen, Jiahui Qiu, Lingfan Zhuang, Zhiyuan Wang and Liu Liu
Computers 2024, 13(1), 12; https://doi.org/10.3390/computers13010012 - 30 Dec 2023
Viewed by 1326
Abstract
In recent years, Long-Term Evolution Vehicle-to-Everything (LTE-V2X) communication technology has received extensive attention. Timing synchronization is a crucial step in the receiving process, addressing Timing Offsets (TOs) resulting from random propagation delays, sampling frequency mismatches between the transmitter and receiver or a combination [...] Read more.
In recent years, Long-Term Evolution Vehicle-to-Everything (LTE-V2X) communication technology has received extensive attention. Timing synchronization is a crucial step in the receiving process, addressing Timing Offsets (TOs) resulting from random propagation delays, sampling frequency mismatches between the transmitter and receiver or a combination of both. However, the presence of high-speed relative movement between nodes and a low antenna height leads to a significant Doppler frequency offset, resulting in a low Signal-to-Noise Ratio (SNR) for received signals in LTE-V2X communication scenarios. This paper aims to investigate LTE-V2X technology with a specific focus on time synchronization. The research centers on the time synchronization method utilizing the Primary Sidelink Synchronization Signal (PSSS) and conducts a comprehensive analysis of existing algorithms, highlighting their respective advantages and disadvantages. On this basis, a robust timing synchronization algorithm for LTE-V2X communication scenarios is proposed. The algorithm comprises three key steps: coarse synchronization, frequency offset estimation and fine synchronization. Enhanced robustness is achieved through algorithm fusion, optimal decision threshold design and predefined frequency offset values. Furthermore, a hardware-in-the-loop simulation platform is established. The simulation results demonstrate a substantial performance improvement for the proposed algorithm compared to existing methods under adverse channel conditions characterized by high frequency offsets and low SNR. Full article
(This article belongs to the Special Issue Vehicular Networking and Intelligent Transportation Systems 2023)
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17 pages, 3048 KiB  
Article
A Service-Driven Routing Algorithm for Ad Hoc Networks in Urban Rail Transit
by Shiyuan Cai, Yuchen Cai, Liu Liu, Haitao Han and Feng Bao
Computers 2023, 12(12), 252; https://doi.org/10.3390/computers12120252 - 04 Dec 2023
Viewed by 1358
Abstract
Due to increased traffic pressure, traditional urban rail vehicle–ground communication systems are no longer able to meet the increasing communication requirements. In this paper, ad hoc networks are applied to urban rail transit vehicle–ground communication systems to improve link reliability and reduce transmission [...] Read more.
Due to increased traffic pressure, traditional urban rail vehicle–ground communication systems are no longer able to meet the increasing communication requirements. In this paper, ad hoc networks are applied to urban rail transit vehicle–ground communication systems to improve link reliability and reduce transmission delay. In the proposed network, a service-driven routing algorithm is proposed, which considers the distance factor for cluster head selection and optimizes the routing transmission delay by service priority and congestion level. An auxiliary node-based routing maintenance mechanism is also proposed to avoid the problem of frequent breakage of communication links due to the high-speed movement of trains. Through the simulation, the proposed algorithm can effectively reduce the packet loss rate, end-to-end delay, and routing overhead of vehicle–ground communication compared with the traditional routing algorithm, which is more conducive to meeting the next generation of urban rail transit vehicle–ground communication requirements. Full article
(This article belongs to the Special Issue Vehicular Networking and Intelligent Transportation Systems 2023)
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