地铁延长线专用通进传信系统实施方案探讨

Discussion on Implementation Scheme of Special Communication System for Metro Extension Line

随着城市建设发展,地铁线网也在逐步扩大,在既有线基础上延伸的建设项目越来越多。就地铁专用通信系统的关键子系统在延长线技术选择、方案构成等从建设成本、运维管理、技术可行性等方面进行讨论,重点对各系统在轨道交通中的功能以及定位进行深入剖析。尤其是对传输系统、LTE车地无线系统以及其他系统延伸线与现有网络对接中设计技术方案比选进行分析讨论,为其他线路延伸线设计建设提供参考。

With the development of urban construction,the subway network is also gradually expanding,more and more construction projects are extended on the basis of existing lines.This paper discusses the key subsystems of metro special communication system in terms of extension line technology selection and scheme composition from the aspects of construction cost,operation and maintenance management and technical feasibility,focusing on the in-depth analysis of the functions and positioning of each system in rail transit.In particular,the comparison and selection of design technical schemes in the connection between transmission system,LTE vehicle ground wireless system and other system extension lines and existing networks are analyzed and discussed,so as to provide reference basis for the design and construction of other line extension lines.