| 摘要 |
PURPOSE: An in-building relay system using a plastic optical fiber is provided to effectively construct an in-building system by transmitting plural signals at the same time. CONSTITUTION: A hub unit is interlocked with one or more mobile communication base stations. A POF(Plastic Optical Fiber) system is utilized in order to interlock between the hub unit and an RU(Remote Unit). Economic feasibility, reliability, installation convenience, and a high transmission speed are provided by utilizing the POF system. A 650nm optical transmission and reception system is respectively installed at the hub unit and the RU. The optical transmission and reception system can transmit signals to a maximum of 50-100m.
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