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International Journal of Antennas and Propagation
Volume 2010, Article ID 373061, 7 pages
Research Article

Mutual Coupling Compensation for Direction-of-Arrival Estimations Using the Receiving-Mutual-Impedance Method

1Department of Signals and Systems, Chalmers University of Technology, 412 96 Gothenburg, Sweden
2Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576

Received 25 November 2009; Accepted 8 January 2010

Academic Editor: Marek E. Bialkowski

Copyright © 2010 Hoi Shun Lui and Hon Tat Hui. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A short review of the receiving-mutual-impedance method (RMIM) for mutual coupling compensation in direction finding applications using linear array is conducted. The differences between the conventional-mutual-impedance method (CMIM) and RMIM, as well as the three different determination methods for receiving mutual impedance (RMI), will be discussed in details. As an example, direction finding with better accuracies is used for demonstrating the superiority of mutual coupling compensation using RMIM.