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International Journal of Antennas and Propagation
Volume 2012 (2012), Article ID 427841, 6 pages
Research Article

Parasitic-Element-Loaded UWB Antenna with Band-Stop Function for Mobile Handset Wireless USB

1Department of Electric and Electronic Engineering, Yonsei University, Seoul 120-749, Republic of Korea
2MC R&D Campus B, 60-39, LG Electronics, Seoul 153-801, Republic of Korea

Received 7 August 2012; Revised 5 October 2012; Accepted 6 October 2012

Academic Editor: Renato Cicchetti

Copyright © 2012 Yohan Lim 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.


A UWB antenna loaded by parasitic elements for wireless USB of mobile handsets is proposed for UWB service in which a band-stop function of 5.725–5.825 GHz WLAN band is required. Two kinds of parasitic elements are incorporated into a rectangular radiator to obtain enhanced impedance bandwidth and band-stop function. The proposed antenna is very compact in size. Wide bandwidths of 3.15–4.75 GHz and 7.2–10.2 GHz are achieved while 5.725–5.825 GHz is notched. Three different shapes of conventional mobile terminals are also considered for measurement.