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Dual‐band omni‐directional antenna for WLAN application
Author(s) -
Wu Y.J.,
Fan J.W.,
Sun B.H.
Publication year - 2008
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.23376
Subject(s) - standing wave ratio , multi band device , antenna (radio) , radiation pattern , electrical engineering , return loss , microwave , dipole antenna , antenna measurement , physics , telecommunications , engineering , microstrip antenna
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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