北京大兴国际机场线基于LTE-M系统的业务综合承载方案  

Business Comprehensive Bearing Scheme for Beijing Daxing International Airport Express Based on LTE-M System

作　　者：蔡京军 丰磊 马兰 沈强 潘皓 CAI Jingjun;FENG Lei;MA Lan;SHEN Qiang;PAN Hao(Beijing MTR Construction Administration Corporation,100068,Beijing,China;不详)

机构地区：[1]北京市轨道交通建设管理有限公司,北京100068 [2]城市轨道交通全自动运行系统与安全监控北京市重点实验室,北京100068 [3]北京全路通信信号研究设计院集团有限公司,北京100160

出　　处：《城市轨道交通研究》2019年第12期176-182,共7页Urban Mass Transit

摘　　要：以北京大兴国际机场线LTE-M(Long Term Evolution-Metro,地铁长期演进系统)为例,介绍了LTE-M系统频率划分方案、LTE-M系统综合承载的各项业务及其LTE-M系统的需求,以及承载列车运行直接相关业务的LTE-M系统的构成及承载列车生产及维修相关业务的LTE-M系统的构成。北京地铁新机场线LTE-M系统整合了车地间多种数据业务的类型,可满足列车高速行驶下多种业务的高可靠性、高稳定性、高安全性传输要求。Taking the LTE-M (long term evolution-machine to machine) system adopted on Beijing Daxing International Airport Express as an example, the LTE-M system frequency division scheme, various businesses carried by LTE-M system, demands of the LTE-M system, the structure of LTE-M system that bears the business directly related to train operation and train maintenance are introduced. Since the LTE-M system adopted on Beijing Daxing International Airport Express integrates a variety of vehicle-ground data businesses, it meets the demand of high reliability, high stability and high safe data transmission for many businesses under the circumstances of high-speed train operation.

关 键 词：北京大兴国际机场线 车地通信 地铁长期演进系统 综合承载 

分 类 号：U285.21[交通运输工程—交通信息工程及控制]