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Technical Program

Paper Detail

Paper:	SAM-P4.2
Session:	Sensor Array Processing
Time:	Thursday, May 18, 14:00 - 16:00
Presentation:	Poster
Topic:	Sensor Array and Multichannel Signal Processing: Signal detection and estimation
Title:	WARD: A Weighted Array Data Scheme for Subspace Processing in Impulsive Noise
Authors:	Jin He, Zhong Liu, Nanjing University of Science & Technology, China
Abstract:	This paper is concerned with robust array signal processing in impulsive noise environments. A simple weighting signal is defined to weight all sensor data in a snapshot-by-snapshot way, so that the resulting array data have the desired statistical characteristics used in the subspace-based direction-of-arrival (DOA) estimation techniques. Then any traditional subspace-based technique can be used for DOA estimation. In working example, the MUSIC algorithm is employed and a Weighted ARray Data-based MUSIC (WARD-MUSIC) algorithm is detailed. Simulations show the performance advantages of the WARD processing over other related methods in Gaussian mixture noise and symmetric a-stable noise.