NDLI: Adaptive beamforming using the cyclostationarity of the source signals

Content Provider	IET Digital Library
Author	Meng, Zhen Shen, Feng Zhou, Weidong
Abstract	The conventional beamformers based on the projection methods are known to degrade due to the subspace swap at low signal-to-noise ratio values and the high or inaccurate dimension of subspace. A novel beamforming technique that combines the constructed covariance matrix and the estimated steering vector is proposed. The steering vector of each source signals is estimated using its cyclostationarity. Unlike the projection methods, the signal-plus-interference covariance matrix is constructed by further estimating the power of each source signals but avoiding forming the subspace. Numerical examples illustrate the notable improvement in comparison with existing beamforming techniques.
Starting Page	858
Ending Page	860
Page Count	3
ISSN	00135194
Volume Number	53
e-ISSN	1350911X
Issue Number	Issue 13, Jun (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/53/13
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2017.1190
Journal	Electronics Letters
Publisher Date	2017-06-02
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adaptive Beamforming Algebra Array Signal Processing Conventional Beamformer Covariance Matrices Cyclostationarity Estimated Steering Vector Projection Method Signal Processing And Detection Signal Processing Theory Signal to Noise Ratio Signal-plus-interference Covariance Matrix Source Signal SubSpace Dimension SubSpace Swap
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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