Miniaturized Planar-Patch Antenna Based on Metamaterial Lshaped Unit-Cells for Broadband Portable Microwave Devices and Multiband Wireless Communication Systems

Alibakhshi-Kenari, Mohammad, Virdee, Bal Singh, ali, Abdul and Limiti, Ernesto (2018) Miniaturized Planar-Patch Antenna Based on Metamaterial Lshaped Unit-Cells for Broadband Portable Microwave Devices and Multiband Wireless Communication Systems. IET Microwaves, Antennas & Propagation. ISSN 1751-8733

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Abstract

This paper describes the design of a metamaterial planar antenna for multi-octave band operation. The metamaterial unit-cell comprises L-shaped slit which is etched inside a rectangular patch with grounded inductive spiral. The slit essentially behaves as a series left-handed capacitance and the spiral as a shunt left-handed inductance. The antenna was modeled and optimized for impedance bandwidth, gain and efficiency performance using commercial 3D full-wave electromagnetic simulation tools. The antenna has a measured impedance bandwidth of 6.02 GHz for S11 < -10 dB. This corresponds to a fractional bandwidth of 172.49%, which is higher than multiband planar antennas reported to date. The antenna has a maximum gain and efficiency performance of 3.7 dBi and 73%, respectively, at 3.25 GHz. The physical footprint of the antenna is comparable to other wideband planar antennas reported to date. The overall size of the antenna is 0.037

Item Type: Article
Uncontrolled Keywords: Composite right/left-handed (CRLH), metamaterial (MTM), planar antenna, tri-band antenna
Subjects: 600 Technology > 620 Engineering & allied operations
Department: School of Computing and Digital Media
Depositing User: Bal Virdee
Date Deposited: 12 Mar 2018 11:11
Last Modified: 12 Mar 2018 11:11
URI: http://repository.londonmet.ac.uk/id/eprint/1371

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