Distributed source modeling and direction-of-arrival estimationtechniques

Authors:
Yong Lee;Jinho Choi;Iickho Song;Seong Lee
Affiliations:
Wireless Commun. Res. Team, Samsung Electron. Co. Ltd., Seoul;-;-;-
Venue:
IEEE Transactions on Signal Processing
Year:
1997

Citing 0
Cited 3

Low-complexity estimation of 2D DOA for coherently distributed sources

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Fast communication: estimation of nominal directions of arrival and angular spreads of distributed sources

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Simplified Estimation of 2D DOA for Coherently Distributed Sources

Wireless Personal Communications: An International Journal

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Abstract

In direction-of-arrival (DOA) estimation, the direction of a signal is usually assumed to be a point. If the direction of a signal is distributed due to some environmental phenomenon, however, DOA estimation methods based on the point source assumption may result in poor performance. We consider DOA estimation when the signal sources are distributed. Parametric and nonparametric models are proposed, and estimation methods are considered under these models. In addition, the asymptotic distribution of estimation errors is obtained to show the models' statistical properties