Journal
IEEE OPEN JOURNAL OF VEHICULAR TECHNOLOGY
Volume 4, Issue -, Pages 877-892Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/OJVT.2023.3326286
Keywords
5G; artificial intelligence (AI); deep learning; federated learning (FL); German Traffic Sign Research Benchmark (GTSRB); split learning; traffic sign recognition
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Autonomous vehicles are transforming transportation by enabling self-driving capabilities and integrating artificial intelligence. To address challenges such as distributed data and computational overhead, a novel architecture combining split and federated learning has been proposed for traffic sign classification in autonomous vehicles. The architecture leverages the benefits of a 5G network to achieve efficient and real-time model training and utilization. Experimental findings demonstrate the effectiveness of the architecture in improving AV technology and developing intelligent transportation systems.
By enabling self-driving capabilities, autonomous vehicles (AVs) are revolutionizing transportation. Artificial intelligence (AI) integrating with AVs improves their perception, decision-making, and control systems. Despite AVs' remarkable growth and acceleration, two significant challenges emerge, i.e., distributed data and computational overhead. To address these challenges, we proposed a novel architecture combining split and federated learning (FL) for traffic sign classification in AVs. Our method distributes deep learning (DL) models across multiple AV systems, allowing efficient DL model training and usage. To mitigate computational overhead on vehicular clients, split learning partitions have been applied between the vehicular clients and a server. Additionally, FL advances this approach by simultaneously addressing data decentralization concerns and constructing a strong traffic sign detection model. It achieves this by training the model individually on each client and on that individual client's data and transmitting only crucial weight parameters of the DL model; it also adds a layer of security by avoiding the direct transfer of location-revealing image data. To send model weight parameters in a timely manner, we employed the staggering benefits of a 5G network, which improves the accuracy of applied DL models in each communication round. The proposed architecture offers efficient and real-time model training and utilization for accurate traffic sign identification in AVs by harnessing the capabilities of split learning, FL, and 5G networks. The experimental findings show that our architecture is effective, with a maximum accuracy of 99.54 % on the German Traffic Sign Research Benchmark (GTSRB) dataset with five client architectures, contributing to improving AV technology and developing intelligent transportation systems. Further, we analyze the performance of a 5G network in terms of phase noise and modulation; it is depicted from the experiment that the 5G network is showing noteworthy performance than the 4G network.
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