We present a high-speed and uninterrupted communication network for high-speed trains using a switchable wavelength-division multiplexing fiber-wireless backhaul system. We successfully transmitted high-speed signals over the switched fiber-wireless links in the downlink and uplink directions. An ultrafast radio-cell switching of less than 10 µs was experimentally demonstrated in both downlink and uplink directions.

© 2019 The Author(s)

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