大连地铁专用无线系统设计  

Design of special wireless system for Dalian metro

作　　者：王笑 Wang Xiao(Dalian Metro Operation Co.,Ltd.,Dalian 116000,China)

机构地区：[1]大连地铁运营有限公司,辽宁大连116000

出　　处：《无线互联科技》2022年第18期83-85,共3页Wireless Internet Technology

摘　　要：地铁通信系统是地铁安全运行的保障,其中通信传输系统、公专电话系统以及专用无线系统是通信专业的3大系统,也是通信专业的重要保障。上述3大系统出现故障,将会对地铁的稳定运行造成很大的影响。专用无线系统是通信3大系统之一,也是确保司机与行调人员、维修人员内部通信的重要保障。提供了专用800 M频段来确保无线通信畅通,一旦专用无线系统出现故障,将会影响司机与行调人员、维修人员之间的通话。文章以此为切入点,以大连地铁的专用无线系统为研究对象,深入研究大连地铁专用无线系统功能、设计以及避免同频干扰等相关问题,为后续进一步提升专用无线系统运行的稳定性及维修维保能力提供一定的借鉴。The subway communication system is the guarantee of the safe operation of the subway.Among them,the communication transmission system,the public and private telephone system and the special wireless system are the three major systems of the communication specialty,and they are also the important guarantee of the communication specialty.If the above three systems fail,it will have a great impact on the stable operation of the subway.Special wireless system is one of the three major communication systems,and it is also an important guarantee to ensure the internal communication between drivers,traffic dispatching personnel and maintenance personnel.It provides a dedicated 800 M frequency band to ensure smooth wireless communication.Once the dedicated wireless system fails,it will affect the communication between the driver and the traffic dispatcher and between the maintenance personnel.Therefore,this article also takes this as the starting point,takes the special wireless system of Dalian Metro as the research object,and deeply studies the functions,design and avoiding the same frequency interference of the special wireless system of Dalian metro,so as to provide some reference for further improving the operation stability and maintenance ability of the special wireless system.

关 键 词：大连地铁 专用无线系统 系统功能 同频干扰 

分 类 号：U231.7[交通运输工程—道路与铁道工程]