Abstract
In recent studies, vehicular networks have been considered as a promising solution to achieve better traffic management and to improve the driving experience of drivers. In vehicular networks, vehicle-to-everything (V2X) services, e.g. on-road traffic information exchange and location-based services, are provided to facilitate road safety for vehicles and traffic management for the relevant authorities. Dedicated Short Range Communications is specifically designed for V2X communications, and recently the cellular network has shown great potential to support V2X with better performance and more applications. Due to the wireless nature of V2X communications, how to secure V2X communications and guarantee the privacy of users are great challenges that have hampered the implementation of vehicular services. Many solutions have been proposed by researchers in last two decades. In this paper, we present a comprehensive survey on the state-of-the-art solutions concerning security and privacy for V2X communications. For security, detailed discussions on cryptography based schemes and trust based schemes are provided. For privacy, we summarize and compare general solutions in preserving identity privacy and location privacy. Cellular based V2X communications have shown many advantages over DSRC, and the oncoming fifth-generation cellular technology is going to provide more possibilities to V2X. Thus, security architectures and solutions for cellular based communications are also illustrated and discussed. Finally, we summarize the remaining challenges and point out future research directions.
Highlights
Vehicular networks have received great attentions in recent years as a key component of the Intelligent Transportation System (ITS) [1]
An on-board unit (OBU) is installed in each vehicle to communicate with other vehicles, road infrastructures, pedestrians, and networks
Information about traffic conditions, such as proxy accidents and traffic jams, is included in V2X communication messages so that drivers can know the information on road conditions in advance and take an early action [2]
Summary
Vehicular networks have received great attentions in recent years as a key component of the Intelligent Transportation System (ITS) [1]. [7] and [8] can secure communications in vehicular networks, both of them are not efficient to verify hundreds of messages within a short time period. Different from the existing surveys that either study authentication schemes, or privacypreserving mechanisms, or security issues in 5G based vehicular networks, this paper covers most of the security topics in vehicular networks to provide a comprehensive overview of footprint and state-of-the-art solutions in securing V2X communications. A comprehensive survey of stage-of-the-art solutions for both security and privacy in vehicular networks are presented. For security concerns, both the cryptography based schemes and trust based schemes are analyzed. Most of the safety related messages transmitted in vehicular networks should be authenticated
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
