高速铁路防灾安全监控系统通信组网方案探讨  

Discussion on Communication Networking Scheme of Disaster Prevention Safety Monitoring System for High-speed Railways

作　　者：王学林[1] 

机构地区：[1]中国中铁二院工程集团有限责任公司,成都610031

出　　处：《铁路通信信号工程技术》2012年第3期18-22,共5页Railway Signalling & Communication Engineering

摘　　要：介绍高速铁路防灾安全监控系统3个主要通信组网方案,并对3个方案的组网原理、保护倒换原理、业务处理流程等进行深入分析。从网络可靠性、传输时延、传输带宽、工程投资、工程实施难度等方面对方案进行分析比较,通过全面的分析比较提出树型组网方案是防灾安全监控系统最佳通信组网方案,对后续工程的设计有一定的参考意义。The paper introduces three communication networking schemes of the disaster prevention safety monitoring system for high-speed railways with the analysis of the networking principle, protection handover principle and operation flow of the three schemes. It concludes that the tree-type networking scheme is the best one by a comprehensive analysis from such aspects as network reliability, transmission delay, transmission bandwidth, engineering investment and implementation difficulty, and it is of reference value for engineering designs in the future.

关 键 词：环型 星型 树型 以太网 二层交换 可靠性 时延 带宽 

分 类 号：TP393.1[自动化与计算机技术—计算机应用技术]