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Experimental Results of a Differential Angle-of-Arrival Based 2D Localization Method Using Signals of Opportunity
Alaziz, Masud Allen, Christopher T
Alaziz, Masud
Allen, Christopher T
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Abstract
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
diferential Angle of Arrivals (dAoAs). Te 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.
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2018-03-25
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Hindawi Publishing Corporation
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Experimental Results.pdf
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M. A. Aziz and C. T. Allen, “Experimental Results of a Differential Angle-of-Arrival Based 2D Localization Method Using Signals of Opportunity,” International Journal of Navigation and Observation, vol. 2018, Article ID 5470895, 6 pages, 2018. https://doi.org/10.1155/2018/5470895.