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International Journal of Antennas and Propagation
Volume 2012, Article ID 303264, 7 pages
http://dx.doi.org/10.1155/2012/303264
Research Article

Design of Two Novel Dual Band-Notched UWB Antennas

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

Received 15 January 2012; Revised 20 May 2012; Accepted 20 May 2012

Academic Editor: Dalia N. Elshiekh

Copyright © 2012 Bing Li and Jing-song Hong. 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

Two novel dual band-notched ultra-wideband (UWB) printed monopole antennas with simple structure and small size are presented. The size of both antennas is 25×25×0.8 mm3. The bandwidth of one of the proposed antenna can be from 2.7 GHz to 36.8 GHz, except the bandwidth of 3.2–3.9 GHz for WiMAX applications and 5.14–5.94 GHz for WLAN applications. The bandwidth of the other is ranging for 2.7 to 41.1 GHz, except the bandwidth of 3.2–3.9 GHz for WiMAX applications and 4.8–5.9 GHz for WLAN applications. Bandwidths of the antennas are about 512% and 455% wider than those of conventional band-notched UWB antennas, respectively. In addition, the time-domain characteristics of the two antennas are investigated to show the difference between both antennas.