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Wireless Personal Communications
Erschienen in: Wireless Personal Communications 1/2013

01.09.2013

Two-Dimensional DOA Estimation of Coherent Sources for Acoustic Vector-Sensor Array Using a Single Snapshot

verfasst von: Han Chen, Xiaofei Zhang

Erschienen in: Wireless Personal Communications | Ausgabe 1/2013

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Abstract

This paper discusses the problem of two-dimensional direction of arrival estimation of coherent sources for acoustic vector sensors array. Compared with subspace-based methods, such as root multiple signal classification and estimation of signal parameters via rotational invariance technique, the propagator method (PM) has lower computational complexity. However, only in high-snapshots situation, can the PM algorithm enjoy a better estimation performance. Besides, all of these algorithms mentioned above cannot work for coherent sources. In this paper, we combine PM algorithm with Toeplitz Hermitian matrix reconstruction, and propose an improved algorithm, which works well in the case of coherent signals and a single snapshot. Furthermore, the proposed method can achieve automatically paired two-dimensional angle estimation. Simulation results verify that the proposed method has the better angle performance and less computational complexity than spatial smoothing methods.
Nächster Artikel CLACK: Cross-layer ACK-Aided Opportunistic Transmission in Wireless Networks

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Metadaten
Titel
Two-Dimensional DOA Estimation of Coherent Sources for Acoustic Vector-Sensor Array Using a Single Snapshot
verfasst von
Han Chen
Xiaofei Zhang
Publikationsdatum
01.09.2013
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 1/2013
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-013-0997-z

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