Abstract
The conceptualisation of the sixth generation of mobile wireless networks (6G) has already started with some potential disruptive technologies resonating as enablers for driving the emergence of a number of innovative applications. Particularly, 6G will be a prominent supporter for the evolution towards a truly Intelligent Transportation System and the realization of the Smart City concept by fulfilling the limitations of 5G, once vehicular networks are becoming highly dynamic and complex with stringent requirements on ultra-low latency, high reliability, and massive connections. More importantly, providing security and privacy to such critical systems should be a top priority as vulnerabilities can be catastrophic, thus there are huge concerns regarding data collected from sensors, people and their habits. In this paper, we provide a timely deliberation of the role that promissory 6G enabling technologies such as artificial intelligence, network softwarisation, network slicing, blockchain, edge computing, intelligent reflecting surfaces, backscatter communications, terahertz links, visible light communications, physical layer authentication, and cell-free massive multiple-input multiple-output (MIMO) will play on providing the expected level of security and privacy for the Internet of Vehicles.
Highlights
T HE INTERNET of Vehicles (IoV) has emerged as a new paradigm driven by the innovations in vehicular communications
In 2017, an advanced technology that relies on the capabilities of 4G, 5G and future 6G cellular networks was incorporated by the 3rd Generation Partnership Project (3GPP), the so-called cellular-enabled V2X or C-V2X, which can provide significantly higher system performance, higher spectral efficiency, higher range, reliability, and security, enabling higher levels of safety to more road users than alternative technologies
We provide an overhaul on the security landscape for IoV in order to review the main security requirements and threats for IoV
Summary
T HE INTERNET of Vehicles (IoV) has emerged as a new paradigm driven by the innovations in vehicular communications. C-V2X employs the conventional mobile network into the vehicle-to-network (V2N) communication to enable the vehicle to receive information about road conditions and traffic in the area, beyond the driver’s line-of-sight (LoS) [3] In this regard, IoV technologies are expected to address the main challenges of modern transportation, and, at the same time, being in line with the goals of a sustainable society. The article provides the fundamental concepts and use-cases of vehicular networks, and details the access technologies as enablers of V2X Standard access technologies such as IEEE 802.11p, and cellular technologies such as LTE, LTE Advanced (LTE-A), 5G, and mix of different technologies termed as heterogeneous access technologies are discussed as the potential V2X access candidates.
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