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Behavior analysis and blockchain based trust management in VANETs - 2021

Research Area:  Vehicular Ad Hoc Networks

Abstract:

The development of vehicular ad hoc networks (VANETs) is facing great challenges. Due to the open environment in VANETs, the false information sent by malicious vehicles not only affects the fairness of information interaction but also seriously threatens the driving safety of normal vehicles. Therefore, the study of trust evaluation and management in VANETs has become hot topics in recent years. In this paper, we propose a trust management model of VANETs based on blockchain. In this model, a hidden markov model (HMM) based vehicle trust evaluation method that improve the accuracy on the detection of malicious behavior is proposed. Besides, a trust management method based on the alliance chain is designed, which greatly improves the efficiency of trust updating and querying on the premise of security. Simulation results show that the model is promising and feasible, effective in the aspects of trust evaluation and trust management.

Author(s) Name:  Han Liu, Dezhi Han, Dun Li

Journal name:  Journal of Parallel and Distributed Computing

Conferrence name:  

Publisher name:  ELSEVIER

DOI:  10.1016/j.jpdc.2021.02.011

Volume Information:  Volume 151, May 2021, Pages 61-69