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Mutual impedance of receiving array and calibration matrix for high-resolution DOA estimation

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3 Author(s)
Yamada, H. ; Dept. of Inf. Eng., Niigata Univ., Japan ; Ogawa, Y. ; Yamaguchi, Y.

In this report, we propose a new calibration matrix by using the re-radiation and transmission mutual impedances. The numerical results show that accuracy of the calibration matrix can be improved by our definition. By using the method, mutual coupling effect of single-mode arrays can be calibrated with measured S parameters of the receiving array without external reference signals and/or numerical calculation of current distributions. Therefore, the proposed method would be useful for high-resolution DOA estimation with dipole or monopole arrays.

Published in:

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

Date of Conference:

3-7 April 2005