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International Journal of Antennas and Propagation
Volume 2012, Article ID 589467, 8 pages
http://dx.doi.org/10.1155/2012/589467
Research Article

Novel Compact CPW-Fed Antennas with Harmonic Suppression and Bandwidth Enhancement

Institute of Applied Physics, University of Electronic Science and Technology, Chengdu 610054, China

Received 9 December 2011; Accepted 4 July 2012

Academic Editor: Hala A. Elsadek

Copyright © 2012 Zhi-Li Zhou 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.

Abstract

Novel compact CPW-fed antennas with harmonic suppression are presented and investigated in detail. By inserting symmetrical slots connected to the end of CPW transmission line in the ground plane, and exploiting parasitic technique, harmonic suppression, compact size, as well as wide bandwidth are obtained. General performances of the proposed antennas are studied by equivalent transmission line circuits. Moreover, the steps of constructing such harmonic suppression antennas are derived. Eventually, the experiment results verified the validation of the proposed harmonic suppression antennas.