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Smart city article details

Title	Global Roaming Trust-Based Model For V2X Communications
ID_Doc	28083
Authors	Alnasser A.; Sun H.
Year	2019
Published	INFOCOM 2019 - IEEE Conference on Computer Communications Workshops, INFOCOM WKSHPS 2019, 2019-January
DOI	http://dx.doi.org/10.1109/INFOCOMWKSHPS47286.2019.9093753
Abstract	Smart cities need to connect physical devices as a network to improve the efficiency of city operations and services. Intelligent Transportation System (ITS) is one of the key components in smart cities, due to its capability of supporting communications between vehicles to improve the driving experience. Whilst Vehicle-to-Everything (V2X) communications are essential, cyber-security poses a significant challenge in V2X communications. A V2X communication link is vulnerable to various cyber-attacks including internal and external attacks. Internal attacks cannot be detected by conventional security schemes because the compromised nodes have valid credentials. Thus, a new trust model is urgently needed to mitigate cybersecurity risks. In this paper, a global roaming trust-based security model is proposed for V2X communications. Each vehicle has a global knowledge about malicious nodes in the network. In addition, various experiments are conducted with different percentage of malicious nodes to measure the performance of the proposed model. Simulation results show that the proposed model improves False Negative Rate (FNR) by 33.5% in comparison with the existing method. © 2019 IEEE.
Author Keywords	Cyber attack.; Trust model; V2X

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