Zero Location Study of the Beam Response of the Maximum Output SINR Beamformer

Zhang, L. , Liu, W. and Peng, B. (2011) Zero Location Study of the Beam Response of the Maximum Output SINR Beamformer. In: Sensor Signal Processing for Defence (SSPD 2011), London, UK, 27-29 Sep 2011, ISBN 9781849196611 (doi: 10.1049/ic.2011.0157)

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Based on the uniform linear array (ULA) structure, zero locations of the beam pattern of the maximum output SINR (signal-to-interference-plus-noise ratio) beamformer are investigated. It is shown that for an M-sensor array, M - 1 nulls have to be formed in the optimum beam response and all of them are located on the unit circle. Furthermore, the nulls of the beamformer may shift from the real interference DOA angles to achieve the optimum output SINR. Analysis based on a 3-element ULA is provided, supported by simulations.

Item Type:Conference Proceedings
Keywords:Array signal processing, direction-of-arrival estimation, interference (signal), 3-element ULA, M-sensor array, ULA structure, beam pattern, interference DOA angle, maximum output SINR beamformer, null beamformer, optimum beam response, optimum output SINR, signal-to-interference-plus-noise ratio, uniform linear array, unit circle, zero location, beam pattern, uniform linear array, zero location.
Glasgow Author(s) Enlighten ID:Zhang, Professor Lei
Authors: Zhang, L., Liu, W., and Peng, B.
College/School:College of Science and Engineering > School of Engineering

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