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A joint task caching and computation offloading scheme based on deep reinforcement learning
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DOI：10.1007/s12083-024-01836-2.png)
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摘要
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Considering the dynamic variability of the vehicular edge environment and the limited edge servers resources, this paper proposes a joint task caching and computation offloading scheme based on deep reinforcement learning (DRL). Considering that the motion trajectories of different vehicles overlap and their task requests may be the same, this paper designs a vehicle-edge-cloud computing framework to fully use the cache resources of vehicles, edge servers, and clouds to reduce task processing delays and energy consumption. Secondly, this paper adopts partial offloading and collaboration between edge servers to make full use of the computational resources of vehicles, edge servers and clouds, avoiding the waste of resources and reducing the burden of vehicles and edge servers. In addition, this paper proposes a DRL-based task offloading scheme to obtain better task caching and offloading strategies. The simulation results show that the scheme proposed in this article performs better compared to other schemes and effectively reduces the latency and energy consumption of task processing.
Keyword:
Mobile edge computing
Internet of vehicles
Deep reinforcement learning
Content caching
Task offloading
期刊
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2.6
论文数:
2.2K
被引数:
2.9K
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