数字光纤直放站性能及应用研究  

Research on Performance and Application of Digital Optical Repeater

作　　者：丁珣 DING Xun(China Railway Construction Electrification Bureau Group Co.Ltd.,Beijing 100043,China)

机构地区：[1]中国铁建电气化局集团有限公司,北京100043

出　　处：《铁道建筑技术》2022年第7期211-214,共4页Railway Construction Technology

基　　金：中国铁建股份有限公司科技研发计划项目(2021-C43)。

摘　　要：作为铁路数字移动通信系统(GSM-R)弱场覆盖的解决手段,数字光纤直放站设备的性能直接影响无线通信网络服务质量。本文通过分析京沈客专京冀段联调联试数据,验证了数字光纤直放站的上行底噪抑制功能、多径干扰抑制功能和自动功率控制功能的有效性;通过对联调联试过程中出现的问题进行总结,对数字光纤直放站的设计注意事项做了分析;通过对典型案例进行分析,提出应在数字光纤直放站安装环节着重注意主从通道连接是否正确。As a solution to the weak field coverage of Global System for Mobile Communications-Railway(GSM-R),the performance of digital optical repeater directly affects the service quality of wireless communication network.By analyzing the joint debugging and commissioning data of Beijing-Hebei section of Beijing-Shenyang Passenger Dedicated Line,this paper verifies that the functions of uplink noise suppression,multipath interference suppression and automatic power control of digital optical repeater are effective;by summarizing the problems in the process of debugging and commissioning,the design precautions of digital optical repeater are analyzed;through the analysis of typical cases,it is proposed that attention should be paid to whether the master and slave channel connections are correct in the installation of digital optical repeater.

关 键 词：数字光纤直放站 性能 设计 调试 

分 类 号：U285.21[交通运输工程—交通信息工程及控制] TN929.5[交通运输工程—道路与铁道工程]