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Dual band–rejected microstrip antenna for WiMAX/WLAN applications

✍ Scribed by Shun-Yun Lin; Bi-Jin Ke

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
976 KB
Volume
52
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

In this article, we propose a novel design to obtain dual band–rejected characteristics in printed microstrip antenna.First, an ultrawide operating band from 2.15 GHz to about 6.50 GHz is achieved by locating the rectangular radiating patch above a larger rectangular notch cut in the finite ground plane edge. Two folded strips with different length protrude from the patch corner with null surface current to introduce dual rejected band. The longer strip and shorter strip are independently associated with lower and upper rejected band. By suitable adjustment in strip lengths, two rejected bands centered at 3 and 4.7 GHz are successfully introduced. Also, a triband operation for 2.5/3.5/5.5 GHz WiMAX and 2.4/5.2/5.8 GHz WLAN applications is achieved for the proposed microstrip antenna. Details of the design considerations are presented, and results of the implemented prototype are discussed. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 1901–1905, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25312

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