Robust Beamforming for Coherent Signals in the Presence of Steering Vector and Correlation Matrix Errors

Zhang, L. and Liu, W. (2012) Robust Beamforming for Coherent Signals in the Presence of Steering Vector and Correlation Matrix Errors. In: 7th International Conference on Communications and Networking in China (CHINACOM), Kun Ming, China, 08-10 Aug 2012, pp. 352-355. ISBN 9781467326995 (doi:10.1109/ChinaCom.2012.6417506)

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Abstract

Based on the uniform linear array structure and the spatial-smoothing technique, a robust beamformer for the reception of coherent signals is proposed by considering both the steering vector error and the sample correlation matrix error. The resultant constrained optimisation problem is transformed into a generalised eigenvector problem and three implementations are studied, including forward-only, forward-backward, and real-valued cases, supported by simulation results.

Item Type:Conference Proceedings
Keywords:Array signal processing, eigenvalues and eigenfunctions, matrix algebra, signal sampling, smoothing methods, constrained optimisation problem, correlation matrix errors, forward-backward cases, forward-only cases, generalised eigenvector problem, real-valued cases, robust coherent signals beamforming, sample correlation matrix error, spatial-smoothing technique, steering vector error, uniform linear array structure, array signal processing, arrays, correlation, interference, robustness, signal to noise ratio, vectors, robust beamforming, coherent signals, forward backward, generalized eigen-vector problem, spatial smoothing.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Zhang, Dr Lei
Authors: Zhang, L., and Liu, W.
College/School:College of Science and Engineering > School of Engineering
ISBN:9781467326995

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