Abstract
Intelligent traffic is one of the most important applications for improving urban traffic pressure. However, intersections are an important element of urban road network, which makes the complex traffic data face the challenges of security and efficiency in the process of transmission. In this paper, we propose a smart contract-based intelligent traffic adaptive signal control scheme to optimize the traffic efficiency problem at intersections. In the scheme, we use consortium blockchain and smart contracts to ensure secure transmission of traffic data and trusted access permission verification for intelligent traffic devices. Then, we introduce edge computing into the intelligent traffic, which can process massive traffic data in real time. In addition, we propose an improved Webster algorithm, aiming at optimizing the dynamic allocation of signal times, so as to reduce the congestion at intersections. The security analysis and evaluation experiments demonstrate that the scheme is feasible and valid, and it can facilitate the adaptive control of traffic signal lights.
This work was supported in part by the NSF of China under Grants 61832012 and 61771289, and the Pilot Project for Integrated Innovation of Science, The Piloting Fundamental Research Program for the Integration of Scientific Research, Education and Industry of Qilu University of Technology (Shandong Academy of Sciences) under Grant 2022XD001.
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Wang, W., Tian, X., Cheng, X., Yuan, Y., Yan, B., Yu, J. (2022). A Smart Contract-Based Intelligent Traffic Adaptive Signal Control Scheme. In: Wang, L., Segal, M., Chen, J., Qiu, T. (eds) Wireless Algorithms, Systems, and Applications. WASA 2022. Lecture Notes in Computer Science, vol 13471. Springer, Cham. https://doi.org/10.1007/978-3-031-19208-1_5
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