Estimation of two-dimensional DOA under a distributed source model and some simulation results

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Most research on the estimation of direction of arrival (DOA) has been performed based on the assumption that the signal sources are point sources. In some real surroundings, signal source localization can more adequately be accomplished with distributed source models. When the signal sources are distributed over an area, we cannot directly use well-known DOA estimation methods, because these methods are established based on the point source assumption. In this paper, we propose a 3-dimensional distributed signal source model, in which a source is represented by two parameters, the center angle and degree of dispersion. Then, we address the estimation of the elevation and azimuth angles of distributed sources based on the parametric distributed source modeling in the 3-dimensional space.
Publisher
IEICE-INST ELECTRON INFO COMMUN ENG
Issue Date
1996-09
Language
English
Article Type
Article
Keywords

DIRECTION-OF-ARRIVAL; UNIFORM CIRCULAR ARRAYS

Citation

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, v.E79A, no.9, pp.1475 - 1485

ISSN
0916-8508
URI
http://hdl.handle.net/10203/12076
Appears in Collection
EE-Journal Papers(저널논문)
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