Multiple-Wave Source Localization Using UAVs in NLOS Environments

IF 0.3 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC
Shinichi Murata;Takahiro Matsuda;Takefumi Hiraguri
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引用次数: 0

Abstract

Localization techniques for unknown radio wave sources are crucial from the perspective of efficient utilization of frequency resources. The authors have studied methods for localizing a single wave source using unmanned aerial vehicles (UAVs) in non-line-of-sight (NLOS) environments based on maximum likelihood estimation. In this study, we propose a localization method for multiple wave sources by extending the singlewave source localization method. In the proposed method, the direction of arrivals (DoAs) at UAVs is modeled with a mixture of von-Mises distributions, and the wave sources are estimated by superimposing the DoA distributions estimated at the UAVs. The proposed method is validated with a simple simulation experiment with two wave sources.
在 NLOS 环境中使用无人飞行器进行多波源定位
从有效利用频率资源的角度来看,未知无线电波源的定位技术至关重要。作者们研究了在非视距(NLOS)环境下使用无人飞行器(UAV)基于最大似然估计对单个波源进行定位的方法。在本研究中,我们通过扩展单波源定位方法,提出了一种多波源定位方法。在所提出的方法中,无人机的到达方向(DoA)用冯-米塞斯分布的混合物建模,波源则通过叠加无人机上估计的 DoA 分布来估计。利用两个波源的简单模拟实验验证了所提出的方法。
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来源期刊
IEICE Communications Express
IEICE Communications Express ENGINEERING, ELECTRICAL & ELECTRONIC-
自引率
33.30%
发文量
114
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