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Design of a diversity antenna with stubs for UWB applications

✍ Scribed by Seokjin Hong; Kyungho Chung; Jaewon Lee; Sangwook Jung; Sang-Sun Lee; Jaehoon Choi

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
497 KB
Volume
50
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A two‐element diversity planar antenna for a multiple‐input multiple‐output application is proposed. By adopting two Y‐shaped radiators, the antenna provides wideband impedance matching characteristics over the desired frequency band. To reduce the mutual coupling between two radiating elements, three stubs are inserted in the ground plane. Good impedance matching and improved isolation characteristics are observed. The measured impedance bandwidth of the proposed antenna ranges from 2.27 GHz to 10.2 GHz for a return loss of less than 10 dB. Parametric analysis has been conducted to investigate the effect of radiator length and the insertion of stubs on the impedance bandwidth and isolation characteristics. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 1352–1356, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23389

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