With the rapid advancement in connected and automated vehicle technologies, a widespread use case cooperative adaptive cruise control (CACC)‐based platooning is gaining momentum. The CACC‐based platooning can enhance safety and driving comfort, increase traffic throughput, and reduce fuel consumption and pollutant emissions. Various platooning maneuvers, such as merge, split, lane change, leave, etc., have been integrated with CACC‐based platooning to meet the objectives mentioned above. In such a platooning, a platoon leader plays a crucial role in the execution of various functions such as synchronization, collision avoidance, coordination, and better route planning. However, if a malevolent vehicle becomes the leader, it may put the entire platoon in danger. Thus, it is very crucial for vehicles to elect a trusted and reputable leader to lead the platoon. The unencrypted broadcast inter‐vehicle communication of CACC exposes vehicles to several security threats. Establishing trust among vehicles is a critical challenge. Blockchain, with its core features of decentralization, immutability, security, and high availability, turns out to be a strong contender for addressing the challenge. Introduction of blockchain platforms supporting smart contracts helps build trust among untrusted parties and enhance the decision‐making processes. In this chapter, we address the challenges in CACC‐based platooning, such as leader election and platoon management, which have been mostly centralized in nature until now and contribute a blockchain‐based framework for trust and platoon management. To achieve these objectives, we propose maintaining two blockchains: A PoW‐based blockchain at the RSU plane and a permissioned blockchain among the vehicles in the platoon. The PoW‐based blockchain will be used for vehicle trust and reputation management and for implementing ITS‐related services, whereas the permissioned blockchain at the vehicular plane will be used for collaborative decision‐making and leader election in the platoon. Besides, we provide experimental results along with a detailed analysis of the proposed approach.


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    Title :

    INTEGRATING BLOCKCHAIN WITH CACC FOR TRUST AND PLATOON MANAGEMENT




    Publication date :

    2020-06-11


    Size :

    21 pages




    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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