Robust Capon Beamforming Using Pseudo-Interference Techniques

Yi CHU  

Publication
IEICE TRANSACTIONS on Communications   Vol.E93-B   No.5   pp.1326-1329
Publication Date: 2010/05/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E93.B.1326
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
Capon beamformer,  pointing errors,  interference cancellation,  

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Summary: 
This paper presents a new approach for the Capon beamformer to provide robustness against array pointing errors. This robustness is achieved by incorporating an uncertainty constraint with diagonal loading and injected pseudo-interference. A simple performance analysis of this new beamformer is also investigated. Simulation results demonstrate that the power estimator has excellent performance.