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Edge Computation Offloading With Content Caching in 6G-Enabled IoV

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E-pub ahead of print
  • Xuanhong Zhou
  • Muhammad Bilal
  • Ruihan Dou
  • Joel J.P.C. Rodrigues
  • Qingzhan Zhao
  • Jianguo Dai
  • Xiaolong Xu
<mark>Journal publication date</mark>31/01/2023
<mark>Journal</mark>IEEE Transactions on Intelligent Transportation Systems
Number of pages15
Pages (from-to)1-15
Publication StatusE-pub ahead of print
Early online date31/01/23
<mark>Original language</mark>English


Using the powerful communication capability of 6G, various in-vehicle services in the Internet of Vehicles (IoV) can be offered with low delay, which provide users with a high-quality driving experience. Edge computing in 6G-enabled IoV utilizes edge servers distributed at the edge of the road, enabling rapid responses to delay-sensitive tasks. However, how to execute computation offloading effectively in 6G-enabled IoV remains a challenge. In this paper, a Computation Offloading method with Demand prediction and Reinforcement learning, named CODR, is proposed. First, a prediction method based on Spatial-Temporal Graph Neural Network (STGNN) is proposed. According to the predicted demand, a caching decision method based on the simplex algorithm is designed. Then, a computation offloading method based on twin delayed deterministic policy gradient (TD3) is proposed to obtain the optimal offloading scheme. Finally, the effectiveness and superiority of CODR in reducing delay are demonstrated through a large number of simulation experiments.