Title :
Robust minimum variance beamforming
Author :
Qiubin Gao ; Wei Shi ; Shaohui Sun
Author_Institution :
State Key Lab. of Wireless Mobile Commun., China Acad. of Telecommun. Technol., Beijing, China
Abstract :
Robust adaptive beamforming is a key issue in array applications where uncertainties about the steering vector of interest exist. This paper considers the worst-case optimization-based robust beamformer problem. The closed-form optimal solution is given for any convex uncertainty set. Numerical examples of robust beamforming against signal look direction mismatches are presented to demonstrate the effectiveness of the robust beamformer.
Keywords :
adaptive signal processing; array signal processing; optimisation; closed-form optimal solution; convex uncertainty set; robust adaptive beamforming; robust minimum variance beamforming; signal look direction mismatches; steering vector of interest; worst-case optimization-based robust beamformer problem; Array signal processing; Arrays; Interference; Robustness; Signal to noise ratio; Uncertainty; Vectors;
Conference_Titel :
General Assembly and Scientific Symposium (URSI GASS), 2014 XXXIth URSI
Conference_Location :
Beijing
DOI :
10.1109/URSIGASS.2014.6929486
