Time-sensitive train communication network: architecture design and performance evaluation

Li Hongxing; Yao Chenlong; Zhao Xiaoyu; Zhao Dong; Chen Li; Shou Guochu

doi:10.11959/j.issn.1000-0801.2026108

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Time-sensitive train communication network: architecture design and performance evaluation

Research and Development | 更新时间：2026-04-08

- Time-sensitive train communication network: architecture design and performance evaluation
- Telecommunications Science Vol. 42, Issue 3, Pages: 33-43(2026)
- 作者机构：
  
  1.北京邮电大学，北京 100876
  2.中国铁道科学研究院集团有限公司，北京 100081
- 作者简介：
- 基金信息：
  
  The National Key Research&Development Program of China(2022YFC3803700);Project Funded by China Academy of Railway Sciences Co., Ltd(2024YJ164)
- DOI：10.11959/j.issn.1000-0801.2026108
  CLC： TP393;TN915.02
- Received：06 October 2025，
  
  Revised：2025-11-02，
  
  Accepted：08 December 2025，
  
  Published：20 March 2026
- 稿件说明：
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李洪星,姚辰龙,赵晓宇等.时间敏感列车通信网络：架构设计与性能评估[J].电信科学,2026,42(03):33-43.

Li Hongxing,Yao Chenlong,Zhao Xiaoyu,et al.Time-sensitive train communication network: architecture design and performance evaluation[J].Telecommunications Science,2026,42(03):33-43.
李洪星,姚辰龙,赵晓宇等.时间敏感列车通信网络：架构设计与性能评估[J].电信科学,2026,42(03):33-43. DOI： 10.11959/j.issn.1000-0801.2026108.

Li Hongxing,Yao Chenlong,Zhao Xiaoyu,et al.Time-sensitive train communication network: architecture design and performance evaluation[J].Telecommunications Science,2026,42(03):33-43. DOI： 10.11959/j.issn.1000-0801.2026108.

摘要

为满足列车实时数据协议（train real-time data protocol，TRDP）承载的时间关键型业务对通信确定性的严苛要求，提出一种时间敏感网络（time-sensitive networking，TSN）与TRDP融合的时间敏感列车通信网络方案。该方案通过构建分层的时间敏感列车通信网络架构，将多样化列车车载应用系统服务需求经过TRDP映射到TSN，并利用TSN的时间同步和流量调度能力保障时间敏感列车业务流量的端到端确定性。基于此架构，设计了基于最早截止时间优先策略的门控列表生成算法，以保障关键流量的可调度性。仿真实验结果表明，该方案显著提升了TRDP周期性数据的发送时间准确性与周期稳定性，并在混合背景流量下大幅降低了端到端时延抖动，为构建下一代高可靠、高效率的列车通信网络提供了理论支撑。

Abstract

To meet the stringent requirements for communication determinism of time-critical services carried by the train real-time data protocol(TRDP)

a time-sensitive train communication network scheme was proposed based on integration of time-sensitive networking(TSN) and TRDP. This scheme constructs a hierarchical time‑sensitive train communication network architecture

in which diverse service requirements of onboard train application systems are mapped through TRDP onto the TSN. The time‑synchronization and traffic‑scheduling capabilities of TSN were employed to guarantee end-to‑end determinism for time‑sensitive train traffic. Based on this architecture

a deadline-aware gate control list(GCL) generation algorithm was designed to ensure the schedulability of critical traffic. Simulation results demonstrate that the proposed scheme significantly improves the transmission time accuracy and periodic stability of TRDP periodic data

while substantially reducing end-to-end delay jitter under mixed background traffic

thereby providing theoretical support for the construction of next-generation

highly reliable and efficient train communication networks.

关键词

Keywords

references

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