Modeling and performance analysis of train communication network based on switched ethernet

Yu-zhuo ZHANG; Yuan CAO; Ying-hong WEN

doi:10.11959/j.issn.1000-436x.2015244

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Modeling and performance analysis of train communication network based on switched ethernet

academic paper | 更新时间：2024-06-05

- Modeling and performance analysis of train communication network based on switched ethernet
- Journal on Communications Vol. 36, Issue 9, Pages: 181-187(2015)
- 作者机构：
  
  1. 北京交通大学电子信息工程学院，北京 100044
  2. 北京交通大学轨道交通运行控制系统国家工程研究中心，北京 100044
- 作者简介：
- 基金信息：
  
  The Fundamental Research Funds for the Central University(2014YJS014)
- DOI：10.11959/j.issn.1000-436x.2015244
  CLC： U285
- Online First：2015-09，
  
  Published：25 September 2015
- 稿件说明：
移动端阅览
Yu-zhuo ZHANG, Yuan CAO, Ying-hong WEN. Modeling and performance analysis of train communication network based on switched ethernet[J]. Journal on Communications, 2015, 36(9): 181-187.
DOI：

Yu-zhuo ZHANG, Yuan CAO, Ying-hong WEN. Modeling and performance analysis of train communication network based on switched ethernet[J]. Journal on Communications, 2015, 36(9): 181-187. DOI： 10.11959/j.issn.1000-436x.2015244.

摘要

为了满足未来大容量、高速率、硬实时性的信息传输需求，将交换式以太网技术引入列车通信网络（TCN

train communication network）。针对不同优先级消息，根据其通信调度方式对传输过程建立了TCN的确定与随机Petri网(DSPN

determined and stochastic Petri nets)模型，比较了交换机不同调度算法对时延的影响，并分析了消息数目和产生周期，以及消息数目和吞吐量的关系。实验结果表明，采用优先级调度算法能在牺牲非实时数据时延的条件下降低实时数据的时延，验证了采用交换式以太网的TCN吞吐量远超过现有的TCN，并且能够为今后的设计和优化提供理论依据。

Abstract

In order to meet the information transmission requirements of large capacity

high speed and hard real-time in the future

switched ethernet was introduced to the train communication network (TCN).Messages of different priorities was investigated

and established the TCN transmission process model with determined and stochastic Petri nets (DSPN) in accordance to its communication scheduling mechanism.The influences of different switch scheduling algorithms to the delay were compared

and the relationships between throughput and message number

throughout and generating cy-cle were respectively investigated.The experimental results show that the priority scheduling algorithm can reduce the delay of real-time data under the condition of sacrificing non real-time data's delay.It also verify the throughput of TCN based on switched ethernet is much higher than that of the existing TCN

which can provide theoretical basis for the de-sign and optimization in the future.

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references

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