Wideband robust beamforming based on worst-case performance optimization

被引：0
|
作者：
El-Keyi, Amr [1 ]
Kirubarajan, Thia [1 ]
Gershman, Alex B. [1 ]
机构：
[1] McMaster Univ, Dept Elect & Comp Engn, Hamilton, ON, Canada
来源：
2005 IEEE/SP 13TH WORKSHOP ON STATISTICAL SIGNAL PROCESSING (SSP), VOLS 1 AND 2 | 2005年
关键词：
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
A novel wideband beamformer is proposed with robustness against array response errors. The proposed beamformer differs from earlier techniques in that its robustness is directly related to the uncertainties in the array manifold while avoiding the suboptimal subband decomposition approach. The wideband robust beamforming problem is formulated as a second-order cone programming (SOCP) convex optimization problem which can be solved efficiently in polynomial time using interior point methods. Simulation results show an improved performance of the proposed beamformer compared to earlier wideband robust beamforming techniques.
引用
收藏
页码：237 / 242
页数：6
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