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Direction of arrival (DOA) estimation using a transformation matrix through singular value decomposition

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2 Author(s)
Seunghyeon Hwang ; Dept. of Electr. Eng. & Comput. Sci., Syracuse Univ., NY, USA ; Sarkar, T.K.

In this paper we present how we choose the proper number of virtual array elements from the real array for direction of arrival (DOA) estimation using a conformal hemispherical real array and a single snapshot of the data. The number of virtual array is achieved by using singular value decomposition (SVD) of a real array manifold and the concept of the interpolation techniques. Then, the transformation matrix is generated from both the virtual array manifold and the real array manifold. A numerical simulation has been made to illustrate of the proposed approach. We estimate direction of arrival (DOA) of signals using the matrix pencil method.

Published in:

Wireless Communications and Applied Computational Electromagnetics, 2005. IEEE/ACES International Conference on

Date of Conference:

3-7 April 2005