NDLI: Negative Permeability Metamaterial Structure Based Electrically Small Loop Antenna

Content Provider	IEEE Xplore Digital Library
Author	Yong-jin Kim Joong-kwan Kim Jung-han Kim Ho-yong Kim Hong-min Lee
Copyright Year	2008
Description	Author affiliation: Dept. of Electron. Eng., Kyonggi Univ., Suwon (Yong-jin Kim; Joong-kwan Kim; Jung-han Kim; Ho-yong Kim; Hong-min Lee)
Abstract	In this paper, negative permeability metamaterial structure based electrically small loop antenna is built and tested. The size of proposed antenna is ka = 0.27 by Chu limit. The experimental result shows that the resonant frequency and impedance bandwidth (VSWR les 2) are 910.76 MHz and 6.7 MHz (908-914.7 MHz). The proposed antenna has maximum gain of -1.302 dBi and radiation efficiency of 21.43% at 910.76 MHz. Although the proposed antenna has very small size, maximum gain and radiation efficiency of proposed antenna show good performances. The proposed antenna is efficiently matched and designed by equivalent circuit model. The proposed antenna is fabricated simple metamaterial structure without additional matching network and printed on a dielectric substrate without ground plane. Therefore it has advantages of low cost, small size, and light weight and will be applied to wireless communication systems for required small antennas, such as RFID (radio frequency identification).
Starting Page	769
Ending Page	773
File Size	1717697
Page Count	5
File Format	PDF
ISBN	9788955191363
ISSN	17389445
DOI	10.1109/ICACT.2008.4493869
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-02-17
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	ETRI, NIA
Subject Keyword	Permeability Metamaterials Radiofrequency identification Testing Resonant frequency Impedance Bandwidth Performance gain Equivalent circuits Dielectric substrates Radiation efficiency Electrically small antenna Split ring resonator Chu limit
Content Type	Text
Resource Type	Article

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