Derivative constraint-based householder multistage wiener filter for adaptive beamforming

2013 ◽  
Author(s):  
Xiaopeng Yang ◽  
Yuze Sun ◽  
Yongxu Liu ◽  
Ji Zhang
Keyword(s):  
Wiener Filter ◽  
Adaptive Beamforming ◽  
Multistage Wiener Filter

scholarly journals Low-Complexity Robust Capon Beamforming Based on Reduced-Rank Technique

2015 ◽  
Vol 2015 ◽  
pp. 1-6 ◽  
Author(s):  
Zaifang Xi ◽  
Xiao-feng Wu ◽  
Shuyue Wu ◽  
Zhijun Tang ◽  
Shigang Hu
Keyword(s):  
Computational Complexity ◽  
Wiener Filter ◽  
Low Complexity ◽  
Dimensional Subspace ◽  
Adaptive Beamforming ◽  
Computationally Efficient ◽  
Steering Vector ◽  
Reduced Rank ◽  
Multistage Wiener Filter ◽  
Robust Adaptive

Existing robust Capon beamformers achieve robustness against steering vector errors at a high cost in terms of computational complexity. Computationally efficient robust Capon beamforming approach based on the reduced-rank technique is proposed in this paper. The proposed method projects the received data snapshots onto a lower dimensional subspace consisting of the matched filters of the multistage Wiener filter (MSWF). The subsequent adaptive beamforming will then be performed within this subspace. The combination of the benefit of the robust adaptive beamforming and the reduced-rank technique improves the performance on combating steering vector errors and lowering the computational complexity.

Numerically stable method of signal subspace estimation based on multistage Wiener filter

2010 ◽  
Vol 53 (12) ◽  
pp. 2620-2630 ◽  
Author(s):  
XueBin Zhuang ◽  
XiaoWei Cui ◽  
MingQuan Lu ◽  
ZhenMing Feng
Keyword(s):  
Wiener Filter ◽  
Signal Subspace ◽  
Stable Method ◽  
Multistage Wiener Filter ◽  
Subspace Estimation
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