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Dual-band omni-directional antenna for WLAN application

✍ Scribed by Y.-J. Wu; J.-W. Fan; B.-H. Sun

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

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✦ Synopsis

Abstract

A dual‐band omni‐directional antenna that comprises two pairs of dipoles placed back‐to‐back and printed on a dielectric substrate is presented. A prototype is constructed and tested. The experimental results show that the 10‐dB return loss bandwidths (VSWR < 2.0) reach as much as 120 MHz at the lower band and 1750 MHz at the upper band. Moreover, the radiation patterns are almost omni‐directional in the azimuthal plane. Peak antenna gain is 1.45, 3.89, and 4.36 dBi at 2.4, 5.2, and 5.8 GHz, which indicates that the proposed antenna can be used as a dual‐band antenna for the wireless local area networks (WLAN) application. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 1328–1330, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23376

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