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Array Correlation Matrix Element Properties and Their Application to Low-Cost DOA Estimation
Koichi ICHIGE Yu IWABUCHI
IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Online ISSN: 1745-1345
Type of Manuscript: PAPER
Category: Antennas and Propagation
direction of arrival estimation, array signal processing, correlation matrix,
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We study the correlation matrix element properties in array signal processing and apply them to a Direction-Of-Arrival (DOA) estimation problem of coherent or highly-correlated sources for a Uniform Linear Array (ULA). The proposed algorithm is generally based on the relation between the elements of the array correlation matrix and does not need an eigendecomposition, iteration, or angular peak-search. The performance of the proposed method was evaluated through a computer simulation.