Deep Reinforcement Learning-Based Relay Selection Algorithm in Free-Space Optical Cooperative Communications

doi:10.3390/app12104881

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	Deep Reinforcement Learning-Based Relay Selection Algorithm in Free-Space Optical Cooperative Communications
	S. J. Gao; Y. T. Li and T. W. Geng
	2022
发表期刊	Applied Sciences-Basel
卷号	12 期号:10 页码:14
摘要	Relay-aided free-space optical (FSO) communication systems have the ability of mitigating the adverse effects of link disruption by dividing a long link into several short links. In order to solve the relay selection (RS) problem in a decode and forward (DF) relay-aided FSO system, we model the relay selection scheme as a Markov decision process (MDP). Based on a dueling deep Q-network (DQN), the DQN-RS algorithm is proposed, which aims at maximizing the average capacity. Different from relevant works, the switching loss between relay nodes is considered. Thanks to the advantage of maximizing cumulative rewards by deep reinforcement learning (DRL), our simulation results demonstrate that the proposed DQN-RS algorithm outperforms the traditional greedy method.
DOI	10.3390/app12104881
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收录类别	sci
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/66510
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	S. J. Gao,Y. T. Li and T. W. Geng. Deep Reinforcement Learning-Based Relay Selection Algorithm in Free-Space Optical Cooperative Communications[J]. Applied Sciences-Basel,2022,12(10):14.
APA	S. J. Gao,&Y. T. Li and T. W. Geng.(2022).Deep Reinforcement Learning-Based Relay Selection Algorithm in Free-Space Optical Cooperative Communications.Applied Sciences-Basel,12(10),14.
MLA	S. J. Gao,et al."Deep Reinforcement Learning-Based Relay Selection Algorithm in Free-Space Optical Cooperative Communications".Applied Sciences-Basel 12.10(2022):14.

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