基于以太网的列车通信网络性能仿真研究  

A Performance Simulation Study of Train Communication Networks Based on Ethernet

作　　者：裴子秀 谭献海[1] 

机构地区：[1]西南交通大学信息科学与技术学院,四川成都610031

出　　处：《西南科技大学学报》2014年第2期66-71,共6页Journal of Southwest University of Science and Technology

基　　金：国家科技支撑计划项目(2011G14012)

摘　　要：给出了一种基于工业以太网的列车通信网络体系结构。在对实际列车业务流量进行建模的基础上,利用网络仿真软件OPNET建立了以太网列车通信网络仿真模型,研究了车载工业以太网在进行大容量信息传输过程中的以太网时延、网络载荷、丢包率及以太网的极限流量等关键性能。仿真结果表明:通过合理设置网络参数,以太网可以满足列车通信网络对带宽和数据传输时延的要求,将以太网用于高速列车网络系统具有充分的可行性。This paper presents a train communication network architecture based on the industrial Ethernet. Based on the actual train traffic modeling as well as the Ethernet network train communication simulation modeling established by using network simulation software OPNET,the key performances were studied such as the critical delay,network load,packet loss rate and the ultimate flow of the vehicle Industrial Ethernet in the process of high-capacity information transmission. Simulation results show that a reasonable setup of network parameters can make the Ethernet to meet the train communication network bandwidth and data transmission delay requirements,which shows a full feasibility to use the Ethernet network for high-speed train system.

关 键 词：列车通信网络 以太网 网络仿真 业务流量建模 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术] U285[自动化与计算机技术—计算机科学与技术]