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首页> 外文期刊>Mathematical Problems in Engineering: Theory, Methods and Applications >A Multiagent Reinforcement Learning Solution for Geometric Configuration Optimization in Passive Location Systems
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A Multiagent Reinforcement Learning Solution for Geometric Configuration Optimization in Passive Location Systems

机译：A Multiagent Reinforcement Learning Solution for Geometric Configuration Optimization in Passive Location Systems

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摘要

Passive location systems receive electromagnetic waves at one or multiple base stations to locate the transmitters, which are widely used in security fields. However, the geometric configurations of stations can greatly affect the positioning precision. In the literature, the geometry of the passive location system is mainly designed based on empirical models. These empirical models, being hard to track the sophisticated electromagnetic environment in the real world, result in suboptimal geometric configurations and low positioning precision. In order to master the characteristics of complicated electromagnetic environments to improve positioning performance, this paper proposes a novel geometry optimization method based on multiagent reinforcement learning. In the proposed method, agents learn to optimize the geometry cooperatively by factorizing team value function into agentwise value functions. To facilitate cooperation and deal with data transmission challenges, a constraint is imposed on the data sent from the central station to vice stations to ensure conciseness and effectiveness of communications. According to the empirical results under direct position determination systems, agents can find better geometric configurations than the existing methods in complicated electromagnetic environments.

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