A compact circular corner monopole antenna for UWB application

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Abstract

A compact microstrip-fed planar monopole antenna for ultrawideband application is presented.The antenna is formed with a rectangular patch and two quarter circles at each side of the lower corners of the patch. By applying a notch in the truncated ground to improve the impedance bandwidth, a 4.9:1 (3.0–14.7 GHz) S11 <−10 dB-bandwidth is realized. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:147–150, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26462

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