Multipath effect suppression for instrument landing system based on MUSIC

Xiubin Zhao; Yongsheng Wang; Hengle Jiang; Chuanjin Dai

doi:10.1117/12.658625

4 January 2006 Multipath effect suppression for instrument landing system based on MUSIC

Xiubin Zhao, Yongsheng Wang, Hengle Jiang, Chuanjin Dai

Proceedings Volume 5985, International Conference on Space Information Technology; 59855L (2006) https://doi.org/10.1117/12.658625
Event: International Conference on Space information Technology, 2005, Wuhan, China

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.

Citation Download Citation

Xiubin Zhao, Yongsheng Wang, Hengle Jiang, and Chuanjin Dai "Multipath effect suppression for instrument landing system based on MUSIC", Proc. SPIE 5985, International Conference on Space Information Technology, 59855L (4 January 2006); https://doi.org/10.1117/12.658625

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