Optimizing Elements Arrangement of Linear Antenna Array for DOA Estimation

Zhan SHI  Zhenghe FENG  

Publication
IEICE TRANSACTIONS on Communications   Vol.E87-B   No.8   pp.2445-2448
Publication Date: 2004/08/01
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Antenna and Propagation
Keyword: 
correlation spectrum,  array elements arrangement,  DOA estimation,  MUSIC,  GA,  MRA,  

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Summary: 
In this paper the correlation spectrum of antenna array is introduced. Based on the relationship between the correlation spectrum and space spectrum of MUSIC, we proposed a novel approach to improve the DOA estimation by arranging the linear antenna array elements using genetic algorithm (GA) in optimizing the correlation spectrum. The DOA estimation performance of the optimized array is validated by Monte Carlo simulation and Cramer-Rao bound (CRB), which are improved compared with that of the traditional uniform linear array and the Minimum-Redundancy array (MRA).