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IEICE TRANSACTIONS on Fundamentals

Directions-of-Arrival Estimation of Cyclostationary Coherent Signals in Array Processing

Jingmin XIN, Hiroyuki TSUJI, Yoshihiro HASE, Akira SANO

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Summary :

In a variety of communication systems, the multipath propagation due to various reflections is often encountered. In this paper, the directions-of-arrival (DOA) estimation of the cyclostationary coherent signals is investigated. A new approach is proposed for estimating the DOA of the coherent signals impinging on a uniform linear array (ULA) by utilizing the spatial smoothing (SS) technique. In order to improve the robustness of the DOA estimation by exploiting the cyclic statistical information sufficiently and handling the coherence effectively, we give a cyclic algorithm with multiple lag parameters and the optimal subarray size. The performance of the presented method is verified and compared with the conventional methods through numerical examples.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E81-A No.8 pp.1560-1569
Publication Date
1998/08/25
Publicized
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DOI
Type of Manuscript
Special Section PAPER (Special Section on Digital Signal Processing)
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