Blind Beamforming for Noncircular Signals via Output Impropriety-Degree Maximization

Xu Yougen; Liu Zhiwen

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Blind Beamforming for Noncircular Signals via Output Impropriety-Degree Maximization

Xu Yougen * #,Liu Zhiwen

Department of Electronic Engineering,Beijing Institute of Technology

*Correspondence author

#Submitted by

Subject:

Funding: 国家自然科学基金（No.60602037）

Opened online:30 December 2008

Accepted by: none

Citation: Xu Yougen,Liu Zhiwen.Blind Beamforming for Noncircular Signals via Output Impropriety-Degree Maximization[OL]. [30 December 2008] http://en.paper.edu.cn/en_releasepaper/content/27077

A noncircularity exploiting adaptive beamforming scheme is presented for blind recovery of a narrow-band signal with nonzero impropriety-degree (ID). By maximizing the ID of the output signal, this new second-order blind beamformer can directly extract the signal of interest from circular interferences and noise (not necessarily Gaussian) without training signal and array calibration.

Keywords:Array signal processing;adaptive arrays;noncircular signals;blind beamforming

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