This paper presents near-field localization of unintended emitting radio-controlled (RC) sources in a colored noise environment using a uniform linear array antenna. Existing localization methods for RC devices perform satisfactorily under white noise, but they ignore multipath fading or correlation among the sources. Therefore, a suite of novel schemes, referred to as 2-D multiple signal classification (MUSIC)-smooth sparse arrays and 2-D MUSIC-whitened noise, is proposed to bring correlation together among the sources, multipath fading, and color noise effects during near-field location estimation. Experimental evaluation of the proposed methods and the original smooth 2-D MUSIC compares both schemes while demonstrating their effectiveness.
- Antenna arrays,
- Balloons,
- Fading (radio),
- Multipath fading,
- Multiuser detection,
- Signal processing,
- Wavelet analysis,
- White noise,
- Array signal processing,
- Colored noise,
- Multiple signal classification,
- Near fields,
- Range estimation,
- Spatial smoothing,
- Direction of arrival (DOA),
- Multiple signal classification (MUSIC),
- Near-field localization
Available at: http://works.bepress.com/jagannathan-sarangapani/217/