无线电通信发射和接收设备 光纤无线电技术及其性能标准 第 4 部分：5G 基于光纤无线电的室内分布式天线系统 (DAS)

[中文适用范围]： 本标准适用于基于光纤无线电技术的5G室内分布式天线系统（DAS），涵盖了系统概述、配置、接口、测试以及环境规范等方面的内容。具体包括点对点和点对多点配置、电气和光学接口的定义、性能测试方法以及安全性和环境要求。 [外文原描述]： IEC 63098-4:2023 provides the performance standards of the RoF-based 5G indoor distributed antenna system (DAS) network for cost-effectively offering quality of service (QoS) guaranteed 5G mobile communication services with high bandwidth and low-latency characteristics without radio shadowing in an indoor environment. First of all, the system overview, system configurations, and the elements of the system are presented and then the electrical and optical interfaces for each system element are defined. Finally, the detail system performance specifications of each element are described for downlink and uplink configurations.