Blockchain-Guided Dynamic Best-Relay Selection for Trustworthy Vehicular Communication

Considering the highly dynamic nature of the vehicular environment and the delay-sensitive wireless medium, enabling secure and reliable vehicle-to-vehicle communication becomes a very challenging task. In this paper, we propose a novel system design that uses blockchain technology to establish a hi...

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Bibliographic Details
Published in:IEEE transactions on intelligent transportation systems 2022-08, Vol.23 (8), p.13678-13693
Main Authors: Ghourab, Esraa M., Azab, Mohamed, Ezzeldin, Noha
Format: Article
Language:English
Subjects:
Bit error rate
bit error rate (BER)
Blockchain
Blockchain (BC)
Blockchains
Communications systems
cooperative vehicular network
Cryptography
Data transmission
Mathematical models
network performance
Relay
Relaying
Relays
Reliability
Signal to noise ratio
Systems design
throughput
Trustworthiness
vehicle to vehicle network (V2V)
Vehicles
Vehicular ad hoc networks
Wireless communication
Wireless communications
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Summary:Considering the highly dynamic nature of the vehicular environment and the delay-sensitive wireless medium, enabling secure and reliable vehicle-to-vehicle communication becomes a very challenging task. In this paper, we propose a novel system design that uses blockchain technology to establish a high-level trust-management successful trustworthy cooperative vehicular wireless communication. The proposed system is a cross-layer approach that optimizes the best-relay selection process allowing only trustworthy relays to participate in data transmission. In this work, blockchain stores real-time information about relaying, transmitting, and receiving vehicles. The information includes channel characteristics and participation quality. The information is vetted and verified by mining vehicles. The result guides the relay selection process to block untrustworthy vehicles from participation. The entire system is comprehensively modeled and mathematically analyzed. Simulations using throughput and Bit Error Rate (BER) as evaluation metrics demonstrated the effectiveness and efficacy of the presented approach in enabling reliable wireless communication in presence of maliciously behaving vehicles. On average, the overall system throughput rate increased by 3bps , the BER was reduced by almost by 2dB , and the percentage of false messages decreased by 90% considering high Signal to Noise Ratio (SNR).
ISSN:1524-9050
1558-0016
DOI:10.1109/TITS.2021.3126566