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首页> 外文期刊>International journal of navigation and observation >Experimental Results of a Differential Angle-of-Arrival Based 2D Localization Method Using Signals of Opportunity
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Experimental Results of a Differential Angle-of-Arrival Based 2D Localization Method Using Signals of Opportunity

机译：基于机会信号的基于差分到达角的二维定位方法的实验结果

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This paper presents a study of differential AoA (Angle-of-Arrival) based 2D localization method utilizing FM radio signals (88 MHz–108 MHz) as Signals of Opportunity (SOP). Given prior knowledge of the transmitters’ position and signal characteristics, the proposed technique utilizes triangulation to localize receiver’s 2D position. Dual antenna interferometry provides the received signals’ AoA required for triangulation. Reliance on precise knowledge of antenna system’s orientation is removed by utilizing differential Angle of Arrivals (dAoAs). The 2D localization accuracy is improved by utilizing colocated transmitters, a concept proposed in this paper as supertowers. Analysis, simulation, and ground-based experiments have been presented; results showed that when the SNR (Signal-to-Noise Ratio) is higher than 45 dB, the proposed method localizes the receiver’s 2D position with an error of less than 15 m.
机译：本文介绍了一种基于差分AoA（到达角）的二维定位方法的研究，该方法利用FM无线电信号（88 MHz–108–MHz）作为机会信号（SOP）。有了发射机位置和信号特性的先验知识，提出的技术就可以利用三角测量来定位接收机的2D位置。双天线干涉仪可提供三角测量所需的接收信号的AoA。通过使用差分到达角（dAoAs），消除了对精确的天线系统方向知识的依赖。通过使用共置发射机提高了二维定位精度，本文提出的概念是超级塔。分析，模拟和地面实验已经提出;结果表明，当SNR（信噪比）高于45 dB时，所提出的方法将接收机的2D位置定位为误差小于15 m的位置。

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