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Millimeter-wave beam-steering high gain array antenna by utilizing metamaterial zeroth-order resonance elements and Fabry-Perot technique

Published online by Cambridge University Press:  04 April 2018

Asghar Bakhtiari ,
Ramezan Ali Sadeghzadeh  and
Mohammad Naser-Moghaddasi
Asghar Bakhtiari
Affiliation:
Faculty of Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
Ramezan Ali Sadeghzadeh
Affiliation:
Faculty of Electrical Engineering, K. N. Toosi University of Technology, Tehran, Iran
Mohammad Naser-Moghaddasi*
Affiliation:
Faculty of Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
*
Corresponding author: M. Naser-Moghaddasi Email: [email protected]
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Abstract

Millimeter-wave (mm-wave) beam-steering antennas are preferred for reducing the disruptive effects, such as those caused by high atmospheric debilitation in wireless communications systems. In this work, a compact broadband antenna array with a low loss feed network design is introduced. To overcome the short-range effects on mm-wave frequencies, a feed network – with a modified Butler matrix and a compact zeroth-order resonance antenna element – has been designed. Furthermore, the aperture feed technique has been utilized to provide a broadside stable pattern and improve the delivered gain. A Fabry-Perot layer without the height of the air layer is used. Taking advantage of this novel design, a broadband and compact beam-steering array antenna – capable of covering impedance bandwidths (from 33.84 to 36.59 GHz) and scanning a solid angle of about ~94°, with a peak gain of 17.6 dBi – is attained.

Keywords

Antenna designModeling and measurementsEM field theory
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 10 , Issue 3 , April 2018 , pp. 376 - 382
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2018 

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