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

Yusuf Nur Wijayanto, Atsushi Kanno, Hiroshi Murata, Tetsuya Kawanishi, Naokatsu Yamamoto, Yasuyuki Okamura

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    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.

    Original languageEnglish
    Pages (from-to)1-7
    Number of pages7
    JournalInternational Journal of Microwave and Wireless Technologies
    DOIs
    Publication statusAccepted/In press - 2016 Mar 16

    Fingerprint

    Light modulators
    Microstrip antennas
    Millimeter waves
    Radio-over-fiber
    Light modulation
    Electrooptical effects
    Antenna arrays
    Demonstrations
    Electric fields
    Modulation
    Communication

    Keywords

    • Antennas and propagation for wireless systems
    • Microwave photonics

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering

    Cite this

    Array of patch-antennas with meandering-gaps on optical modulator for wireless millimeter-wave beam-steering. / Wijayanto, Yusuf Nur; Kanno, Atsushi; Murata, Hiroshi; Kawanishi, Tetsuya; Yamamoto, Naokatsu; Okamura, Yasuyuki.

    In: International Journal of Microwave and Wireless Technologies, 16.03.2016, p. 1-7.

    Research output: Contribution to journalArticle

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    AU - Kanno, Atsushi

    AU - Murata, Hiroshi

    AU - Kawanishi, Tetsuya

    AU - Yamamoto, Naokatsu

    AU - Okamura, Yasuyuki

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