Abstract

The sensing coverage and accuracy of vehicles are vital for autonomous driving. However, the current sensing capability of a single autonomous vehicle is quite limited in the complicated road traffic environment, which leads to many sensing dead zones or frequent misdetection. In this paper, we propose to develop a Vehicular Fog Computing (VFC) architecture to implement cooperative sensing among multiple adjacent vehicles driving in the form of a platoon. Based on our VFC architecture greedy and Support Vector Machine (SVM) algorithms are adopted respectively to enhance the sensing coverage and accuracy in the platoon. Furthermore, the distributed deep learning is processed for trajectory prediction by applying the Light Gated Recurrent Unit (Li-GRU) neural network algorithm. Simulation results based on real-world traffic datasets indicate the sensing coverage and accuracy by the proposed algorithms can be significantly improved with low computational complexity.

Highlights

  • Autonomous driving has received wide attention from the academy and industry

  • Motivated by the above observations, we propose a new Vehicular Fog Computing (VFC) architecture and intelligent algorithms to perform cooperative sensing to improve the sensing coverage and accuracy of autonomous driving vehicles, as well as driving safety

  • In order to overcome the weakness of traditional VFC architecture, we proposed a new VFC architecture for cooperative sensing in a platoon, which can jointly utilize the sensing and the computational abilities of intelligent vehicles

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Summary

INTRODUCTION

Autonomous driving has received wide attention from the academy and industry. Benefiting from the high accuracy, small size and low cost of on-board sensors, the perception ability of intelligent vehicles can be highly improved, making autonomous driving safe and promising [1]. H. Du et al.: New VFC Architecture for Cooperative Sensing of Autonomous Driving among intelligent vehicles, the edge server (RSU) or remote cloud is required to assist the offloading scheduling in the existing VFC architecture. Motivated by the above observations, we propose a new VFC architecture and intelligent algorithms to perform cooperative sensing to improve the sensing coverage and accuracy of autonomous driving vehicles, as well as driving safety. In order to overcome the weakness of traditional VFC architecture, we proposed a new VFC architecture for cooperative sensing in a platoon, which can jointly utilize the sensing and the computational abilities of intelligent vehicles. This architecture takes full advantage of platoon driving.

RELATED WORK
COOPERATIVE SENSING ENHANCEMENT
GREEDY VEHICLE SELECTION ALGORITHM
1: Initialisation
ACCURACY ENHANCEMENT
TRAINING OF SVM ALGORITHM
LANE CHANGE PREDICTION
PERFORMANCE EVALUATION
Findings
CONCLUSION

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