GSM-R中继传输系统技术规范编制研究  

Research on the Technical Specification for GSM-R Relay Transmission System

作　　者：段永奇[1] 李闰生[1] 陈建平 

机构地区：[1]中铁二院工程集团有限责任公司,成都610031 [2]南京泰通科技有限公司,南京210037

出　　处：《铁道工程学报》2009年第8期23-26,47,共5页Journal of Railway Engineering Society

摘　　要：研究目的:为实现铁路GSM-R弱电场区的无线覆盖,对需要采用由基站、直放站、干线放大器、漏泄同轴电缆、天馈线等组成的中继传输系统进行论述,同时对GSM-R中继传输系统的主要技术条件,设备类型、组成、主要技术要求作出规定。研究结论:根据GSM-R数字移动通信网技术体制以及相关的行业标准,通过研究提出了系统在工作频段、载干比、时延以及场强覆盖等方面的要求;对系统主要设备的直放站、干线放大器、天馈线和漏泄同轴电缆等规定了具体的技术指标;结合铁路的具体运用实际,对设备的工作环境和可靠性提出了具体的要求,可为工程设计、产品制造、施工安装、设备维护、质量检验提供指导作用。Research purposes： In this paper, the introduction is given to the relay transmission system comprised of the base station, repeater, trunk line amplifier, leaky coaxial cable and antenna feeder for the purposes of achieving the wireless coverage of GSM - R weak field and working out the technical specifications for GSM - R relay transmission system, including the equipment type, equipment component and main technical standard. Research conclusions： Based on the studying the technical system of GSM - R digital mobile communication and related industry standards, the technical requirements for the system are proposed, including working frequency, C/I ratio, time delay and field strength coverage, the technical specifications are offered for the main system equipments, such as repeater, trunk line amplifier, leaky coaxial cable, antenna feeder and so on, and combined with the concrete application of system in railway, the specific requests are proposed for the working condition and reliability of the equipments for guiding the engineering design, product manufacturing, construction and installation, equipment maintenance and quality inspection.

关 键 词：中继传输系统 直放站 时延 上行噪声 可靠性 

分 类 号：U285.21[交通运输工程—交通信息工程及控制]