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- W4285264450 abstract "UAV communication has received widespread attention in MEC systems due to its high flexibility and line-of-sight transmission. Users can reduce their local computing pressures and computation delay by offloading tasks to the UAV as an edge server. However, the coverage capability of a single UAV is very limited. Moreover, the data offloaded to the UAV will be easily eavesdropped. Thus, in this paper, we propose two secure transmission methods for multi-UAV-assisted mobile edge computing based on the single-agent and multi-agent reinforcement learning, respectively. In the proposed methods, we first utilize the spiral placement algorithm to optimize the deployment of UAVs, which covers all users with the minimum number of UAVs. Then, to reduce the information eavesdropping by a flying eavesdropper, we utilize the reinforcement learning to optimize the secure offloading to maximize the system utility by considering different types of users’ tasks with diverse preferences for residual energy of computing equipment and processing delay. Simulation results indicate that compared with the single-agent method and the benchmark, the multi-agent method can optimize the offloading in a better manner and achieve larger system utility." @default.
- W4285264450 created "2022-07-14" @default.
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- W4285264450 date "2023-05-01" @default.
- W4285264450 modified "2023-10-01" @default.
- W4285264450 title "Secure Transmission for Multi-UAV-Assisted Mobile Edge Computing Based on Reinforcement Learning" @default.
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- W4285264450 doi "https://doi.org/10.1109/tnse.2022.3185130" @default.
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