Abstract
AbstractA coplanar waveguide fed ultra‐wideband antenna with four band‐notched characteristics is proposed in this letter.Two split ring slots are etched on the patch and two inverted L‐shaped slots on the ground to generate four notched bands at 2.4, 3.5, 5.2, and 5.8 GHz, respectively, thus contribute good rejection of interference with WiFi (2.4 GHz), WiMax (3.5 GHz), and wireless local area network (5.2 GHz/5.8 GHz). The simulation and measurement show that the proposed antenna can guarantee a wide bandwidth from 2 to 12 GHz with stable gain and omnidirectional radiation pattern. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:2862–2865, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27184
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