NDLI: A MNG-TL Loop Antenna Array With Horizontally Polarized Omnidirectional Patterns

Content Provider	IEEE Xplore Digital Library
Author	Kunpeng Wei Zhijun Zhang Zhenghe Feng Iskander, M.F.
Copyright Year	1963
Abstract	A horizontally polarized omnidirectional planar loop antenna that employs an artificial mu-negative transmission line (MNG-TL) is proposed. The MNG-TL is designed using periodically loaded parallel-plate lines. The reactive loading is inspired by the zeroth-order resonator (ZOR), which has a propagation constant of zero. Due to the unique property of an infinite wavelength, the MNG-TL loop antenna presented in this paper allows current along the loop to remain in phase so that a horizontal polarized omnidirectional pattern is generated. A series-fed array, which is composed of four MNG-TL loop antennas and operates at 2.4 GHz band, is designed, fabrication, and measured. The MNG-TL loop antenna array offers a horizontally polarized omnidirectional radiation pattern with enhanced gain of 6.5 ~ 7.9 dBi and measured radiation efficiency exceeding 85% for covering bands. The concept extends the degrees of design freedom for horizontally polarized omnidirectional antenna array.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	2702
Ending Page	2710
Page Count	9
File Size	1979256
File Format	PDF
ISSN	0018926X
Volume Number	60
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antennas Impedance Power transmission lines Resonant frequency Load modeling Integrated circuit modeling Capacitance zeroth-order resonator (ZOR) Horizontal polarization mu-negative transmission line (MNG-TL) omnidirectional loop antennas
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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