Multi-UAV Assisted Offloading Optimization: A Game Combined Reinforcement Learning Approach

Ang Gao, Qi Wang, Kaiyue Chen, Wei Liang

科研成果: 期刊稿件文章同行评审

8 引用 (Scopus)

摘要

Although unmanned aerial vehicles (UAVs) have attracted much attention by providing aerial relays to massive ground users (GUs) for tasks offloading, there still exist several issues, such as the unbalance of tasks size and trajectory optimization related to energy efficiency and obstacles avoidance. The letter models the multi-UAV assisted offloading system as two separate problems optimized by a potential game combined reinforcement learning algorithm, i.e., potential game for service assignment, and deep deterministic policy gradient (DDPG) for trajectory planning. The former largely reduces the convergence time, and the latter can search the best action in a continuous domain. The numerical results show that the proposed approach has great advantages in minimizing offloading delay, enhancing energy efficiency and avoiding obstacles.

源语言英语
文章编号9426943
页(从-至)2629-2633
页数5
期刊IEEE Communications Letters
25
8
DOI
出版状态已出版 - 8月 2021

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