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International Journal of Antennas and Propagation
Volume 2010, Article ID 564357, 10 pages
Review Article

Overview on the Phase Conjugation Techniques of the Retrodirective Array

1National Key Laboratory of Science and Technology on Antennas and Microwaves, Xidian University, No. 2 South Taibai Road, Xi'an, Shaanxi 710071, China
2National Laboratory of Information Control Technology for Communication System, Jiaxing, Zhejiang 314033, China
3Antenna Research Department, Jiangnan Electronic Communication Research Institute, Jiaxing, Zhejiang 314033, China

Received 4 August 2009; Revised 11 March 2010; Accepted 19 April 2010

Academic Editor: Deb Chatterjee

Copyright © 2010 Lei Chen et al. 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.


This paper presents an overview on the phase conjugation techniques of the retrodirective antenna array. The concepts, advantages, and disadvantages of phase conjugation techniques are introduced. The self-phasing characteristic and technical difficulties of the array are presented as well as their structures and applications. Further researches in this area are presented finally.