Transmission of Millimeter-wave Radio Signal over a Seamless Fiber–Terahertz System at 325 GHz

P. Dat, K. Inagaki, I. Morohashi, N. Sekine, A. Kanno
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Abstract

We demonstrate the transmission of a millimeter-wave radio signal over a seamless fiber–terahertz-wave system in the 300 GHz band. The system utilizes a simple optical heterodyning method at the transmitter and a direct detection at the receiver. As a proof-of-concept demonstration, we successfully transmitted a 100-MHz bandwidth 5G new radio compliant signal at 24.5 GHz over a seamless fiber-terahertz system in the 300 GHz band. The proposed system is promising to facilitate the deployment of ultra-dense small cells in high-frequency bands in 5G and beyond networks.
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325ghz无缝光纤-太赫兹系统中毫米波无线电信号的传输
我们演示了在300千兆赫波段的无缝光纤-太赫兹波系统上传输毫米波无线电信号。该系统在发送端采用简单的光外差法,在接收端采用直接检测。作为概念验证演示,我们在300 GHz频段的无缝光纤太赫兹系统上成功传输了24.5 GHz的100 mhz带宽5G新无线电兼容信号。拟议的系统有望促进5G及以后网络中高频频段超密集小型蜂窝的部署。
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