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Array of patch-antennas with meandering-gaps on optical modulator for wireless millimeter-wave beam-steering

Published online by Cambridge University Press:  16 March 2016

Yusuf Nur Wijayanto ,
Atsushi Kanno ,
Hiroshi Murata ,
Tetsuya Kawanishi ,
Naokatsu Yamamoto  and
Yasuyuki Okamura
Yusuf Nur Wijayanto*
Affiliation:
National Institute of Information and Communications Technology, 4-2-1 Nukui-Kitamachi, Koganei, Tokyo 184-8795, Japan. Phone: +81-42-327-5404 Indonesian Institute of Sciences, Jl. Sangkuriang, Cisitu, Bandung 40135, Indonesia
Atsushi Kanno
Affiliation:
National Institute of Information and Communications Technology, 4-2-1 Nukui-Kitamachi, Koganei, Tokyo 184-8795, Japan. Phone: +81-42-327-5404
Hiroshi Murata
Affiliation:
Osaka University, 1-3 Machikaneyama, Toyonaka 560-8531, Japan
Tetsuya Kawanishi
Affiliation:
National Institute of Information and Communications Technology, 4-2-1 Nukui-Kitamachi, Koganei, Tokyo 184-8795, Japan. Phone: +81-42-327-5404 Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo 169-8555, Japan
Naokatsu Yamamoto
Affiliation:
National Institute of Information and Communications Technology, 4-2-1 Nukui-Kitamachi, Koganei, Tokyo 184-8795, Japan. Phone: +81-42-327-5404
Yasuyuki Okamura
Affiliation:
Osaka University, 1-3 Machikaneyama, Toyonaka 560-8531, Japan
*
Corresponding author:Y. N. Wijayanto Email: ynwijayanto@nict.go.jp
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Abstract

An array of patch-antennas with meandering-gaps on an optical modulator is proposed for wireless millimeter-wave beam-steering through high-speed radio-over-fiber systems. Wireless millimeter-wave can be received by the array of patch-antennas and directly modulated to lightwave by the optical modulator. The wireless millimeter-wave can be steered using the meandering-gaps at the patch-antennas by controlling interaction between millimeter-wave and lightwave electric fields in electro-optic modulation. The basic operation and analysis of the proposed device are discussed. In the experiment, 5 × 5 antenna array in 40 GHz millimeter-wave bands was designed and realized for device characterization and demonstration to wireless millimeter-wave beam-steering. There were five variations of wireless millimeter-wave beam-steering for one-dimensional in xz- or yz-planes that can be obtained with wireless millimeter-wave steerable beams of about ±30°. Additionally, 25 variations of wireless beam-steering can be obtained for two dimension in xyz-space through orthogonal optical modulation. The proposed device is promising to be applied in millimeter-wave/tera-hertz bands for future directional wireless communication and sensing with high-speed and high-resolution operation.

Keywords

Antennas and propagation for wireless systemsMicrowave photonics
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 8 , Special Issue 4-5: EuMW 2015 Special Issue , June 2016 , pp. 759 - 765
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2016 

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