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Proceedings Paper

Multipath effect suppression for instrument landing system based on MUSIC
Author(s): Xiubin Zhao; Yongsheng Wang; Hengle Jiang; Chuanjin Dai
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Paper Abstract

The Decimeter-wavelength Instrument Landing System is designed to assure an exact and timely flight arrival on many airports. But its signal can often be distorted by reflections and scattering caused by objects which are illuminated by the radiating antennas, sometimes referred to be "multipath", which pose a great threat to the system's operation. In this paper, an improved receiver based on spatial spectrum estimation concepts is proposed for safer automatic landing procedures. The new approach is based on Direction of Arrival (DOA) estimation performed by the MUSIC algorithm and signal filter performed by beamforming algorithm. The superior performance of the proposed system with respect to currently employed techniques in the presence of unwanted interferences has been tested in extensive computer simulations.

Paper Details

Date Published: 5 January 2006
PDF: 5 pages
Proc. SPIE 5985, International Conference on Space Information Technology, 59855L (5 January 2006); doi: 10.1117/12.658625
Show Author Affiliations
Xiubin Zhao, Northwestern Polytechnical Univ. (China)
Yongsheng Wang, Northwestern Polytechnical Univ. (China)
Hengle Jiang, Air Force Engineering Univ. (China)
Chuanjin Dai, Air Force Engineering Univ. (China)


Published in SPIE Proceedings Vol. 5985:
International Conference on Space Information Technology
Cheng Wang; Shan Zhong; Xiulin Hu, Editor(s)

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