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Review on V2X, I2X, and P2X Communications and Their Applications: A Comprehensive Analysis over Time

Department of Electronic Engineering, Computer Systems and Automatics, University of Huelva, Av. de las Artes s/n, 21007 Huelva, Spain
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Sensors 2019, 19(12), 2756; https://doi.org/10.3390/s19122756
Received: 14 May 2019 / Revised: 3 June 2019 / Accepted: 16 June 2019 / Published: 19 June 2019
(This article belongs to the Special Issue Internet of Vehicles)
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Abstract

Smart cities are ecosystems where novel ideas and emerging technologies meet to improve economy, environment, governance, living, and mobility. One of the pillars of smart cities is transport, with the improvement of mobility and the reduction of traffic accidents being some of the current key challenges. With this purpose, this manuscript reviews the state-of-the-art of communications and applications in which different actors of the road are involved. Thus, the objectives of this survey are intended to determine who, when, and about what is being researched around smart cities. Particularly, the goal is to situate the focus of scientific and industrial progress on V2X, I2X, and P2X communication to establish a taxonomy that reduces ambiguous acronyms around the communication between vehicles, infrastructure, and pedestrians, as well as to determine what the trends and future technologies are that will lead to more powerful applications. To this end, this literature review article presents a comprehensive study including a representative collection of the 100 most cited papers and patents published in the literature together with a statistical bibliometric analysis of 14,364 keywords over 3422 contributions between 1997 and 2018. As a result, this work provides a technological profile considering different dimensions along the paper, such as the type of communication, use case, country, organization, terminology, and year. View Full-Text
Keywords: 5G; autonomous and connected vehicle; communication technology; cybersecurity; infrastructure-to-everything; literature review; pedestrian-to-everything; safety; smart city; vehicle-to-everything 5G; autonomous and connected vehicle; communication technology; cybersecurity; infrastructure-to-everything; literature review; pedestrian-to-everything; safety; smart city; vehicle-to-everything
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Lozano Domínguez, J.M.; Mateo Sanguino, T.J. Review on V2X, I2X, and P2X Communications and Their Applications: A Comprehensive Analysis over Time. Sensors 2019, 19, 2756.

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