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Effect of different platforms on coupling compensation matrices in AOA estimation algorithms using small size UCA

Ghazaany, Tahereh S.
; 
Zhu, Shaozhen (Sharon)
; 
Jones, Steven M.R.
; ; 
Noras, James M.
; 
Van Buren, T.
; 
Marker, S.
Publication Date
2014
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Keywords
Subspace-based algorithm, Mutual coupling, Uniform circular array, Interferometer
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Engineering and Digital Technology Publications
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Abstract
In this paper the sensitivity of the decoupling matrix used for mutual coupling compensation in small size uniform circular arrays has been studied. The compensation matrix is calculated using the receiving mode technique for a 5-element uniform circular array and applied to two groups of direction finding algorithms, namely phase comparison-based (interferometry) and subspace-based algorithms. In the tracking application considered the receiver array is deployed on a car roof or aircraft, so the geometry of the platform influences the compensation results. In this work, the effect of different ground plane geometries in terms of the standard deviation of angular error for each estimation algorithm using simulation results is investigated. The results show that the calibration conditions used to determine the compensation matrix affect the AOA estimation accuracy.
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http://hdl.handle.net/10454/10637
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Citation
Ghazaany TS, Zhu S, Jones SMR et al (2014) Effect of different platforms on coupling compensation matrices in AOA estimation algorithms using small size UCA. In: Proceedings of the IEEE Radio and Wireless Symposium. 19-23 Jan 2014, Newport Beach, CA, US: 277-279.
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https://doi.org/10.1109/rws.2014.6830110
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Conference paper
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