Seamless Convergence of Fiber and Wireless Systems for 5G and Beyond Networks

Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    We propose different fronthaul systems for facilitating future mobile networks based on the seamless convergence of fiber-optic and wireless systems in the millimeter-wave (mmWave) bands. First, a flexible and high-performance wireless fronthaul system is proposed through an encapsulation of radio signals onto a converged fiber-mmWave system. A simultaneous transmission of three radio signals over the system is successfully demonstrated. Second, a high-performance optical self-heterodyne system is proposed and demonstrated for the generation and transmission of radio access signals in high-frequency bands. Third, a high-spectral-efficiency optical fronthaul system for the simultaneous transmission of multiple radio signals in different frequency bands is proposed using a subcarrier-multiplexing intermediate-frequency-over-fiber system. Satisfactory performance is experimentally confirmed for the transmission of three different radio signals in the microwave and low- and high-mmWave bands. The proposed systems can overcome the challenges and bottlenecks of the current mobile fronthaul systems and can be useful in different usage scenarios of 5G and beyond networks.

    Original languageEnglish
    JournalJournal of Lightwave Technology
    DOIs
    Publication statusAccepted/In press - 2018 Jan 1

    Fingerprint

    radio signals
    millimeter waves
    fibers
    intermediate frequencies
    multiplexing
    fiber optics
    microwaves

    Keywords

    • 5G and beyond networks
    • 5G mobile communication
    • fiber-wireless convergence
    • mobile fronthaul
    • Optical fiber cables
    • Optical fiber networks
    • Optical fibers
    • Optical modulation
    • Radio-over-fiber
    • Wireless communication

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

    Cite this

    Seamless Convergence of Fiber and Wireless Systems for 5G and Beyond Networks. / Dat, Pham Tien; Kanno, Atsushi; Yamamoto, Naokatsu; Kawanishi, Tetsuya.

    In: Journal of Lightwave Technology, 01.01.2018.

    Research output: Contribution to journalArticle

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