Space-Frequency Adaptive Processing (SFAP) for Interference Suppression in GPS Receivers

Inder J. Gupta and Thomas D. Moore

Abstract:	The performance of narrowband space-frequency adaptive processing (SFAP) for interference suppression in GPS receivers is studied. It is shown that when the interfering signals consist of wideband as well as CW jammers, one can improve the performance of SFAP by multiplying the time domain samples by a window function before transforming the data to the frequency domain. For the best performance, the window function should have low sidelobes. A Blackman window seems to be a good choice. It is also shown that SFAP does not cause any significant distortion of the GPS signals.
Published in:	Proceedings of the 2001 National Technical Meeting of The Institute of Navigation January 22 - 24, 2001 Westin Long Beach Hotel Long Beach, CA
Pages:	377 - 385
Cite this article:	Gupta, Inder J., Moore, Thomas D., "Space-Frequency Adaptive Processing (SFAP) for Interference Suppression in GPS Receivers," Proceedings of the 2001 National Technical Meeting of The Institute of Navigation, Long Beach, CA, January 2001, pp. 377-385.
Full Paper:	ION Members/Non-Members: 1 Download Credit Sign In