5G-TSN clock synchronization error prediction based on long short-term memory

Liu Qingjun; Wang Ran; Huang Zhenning; Hao Jie; Teng Yidan; Wu Qiang

doi:10.11959/j.issn.2096-109x.2026004

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5G-TSN clock synchronization error prediction based on long short-term memory

Papers | 更新时间：2026-05-26

- 5G-TSN clock synchronization error prediction based on long short-term memory
- Chinese Journal of Network and Information Security Vol. 12, Issue 1, Pages: 40-53(2026)
- 作者机构：
  
  1.南京航空航天大学计算机科学与技术学院，江苏南京 211106
  2.中国移动通信集团有限公司研究院，北京 100032
  3.深圳职业技术大学人工智能学院，广东深圳 518055
  4.浙江大学计算机科学与技术学院，浙江杭州 310027
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(62171218);Frontier Technologies R&D Program of Jiangsu under Grant(BF2024067)
- DOI：10.11959/j.issn.2096-109x.2026004
  CLC： TP393
- Received：23 June 2025，
  
  Revised：2025-12-11，
  
  Published：25 February 2026
- 稿件说明：
移动端阅览
刘青俊, 王然, 黄震宁, 等. 基于LSTM的5G-TSN时钟同步误差预测[J]. 网络与信息安全学报, 2026, 12(1): 40-53.

Liu Qingjun, Wang Ran, Huang Zhenning, et al. 5G-TSN clock synchronization error prediction based on long short-term memory[J]. Chinese Journal of Network and Information Security, 2026, 12(1): 40-53.
刘青俊, 王然, 黄震宁, 等. 基于LSTM的5G-TSN时钟同步误差预测[J]. 网络与信息安全学报, 2026, 12(1): 40-53. DOI： 10.11959/j.issn.2096-109x.2026004.

Liu Qingjun, Wang Ran, Huang Zhenning, et al. 5G-TSN clock synchronization error prediction based on long short-term memory[J]. Chinese Journal of Network and Information Security, 2026, 12(1): 40-53. DOI： 10.11959/j.issn.2096-109x.2026004.

摘要

5G与时间敏感网络（time-sensitive networking

TSN）融合架构被视为工业4.0的核心使能技术，5G-TSN端到端确定性传输依赖高精度的时钟同步。然而，5G与TSN之间存在时钟异构性，特别是基站与TSN时间转换设备间的时钟频率偏移传递性，使得系统级同步误差呈现时变非线性特征，现有研究缺乏有效的同步误差动态监测与预测机制。针对此问题，建立了5G-TSN时钟同步模型，并提出基于长短期记忆（long short-term memory

LSTM）的时钟同步误差预测机制。LSTM具备建模长期时序依赖的能力，在结构上适应时钟误差的累计性与动态变化特征，能够有效预测趋势并识别潜在的同步异常，为同步补偿提供前馈调控支撑，提升同步可靠性。仿真实验结果表明，在典型工业场景仿真数据集上，该方法的决定系数

达0.951，在均方误差等评价指标上优于反向传播神经网络、递归神经网络、门控循环单元和基于自注意力机制的Transformer模型，为构建高精度、可调控的亚微秒级5G-TSN融合同步系统提供了理论支撑。

Abstract

The integrated architecture of the fifth-generation mobile communication technology (5G) and time-sensitive networking (TSN) is widely regarded as a core enabling technology for Industry 4.0. End-to-end deterministic transmission in 5G-TSN relies on high-precision clock synchronization. However

due to the clock heterogeneity between 5G and TSN

particularly the transferability of clock frequency offsets between base stations and TSN time conversion devices

system-level synchronization errors exhibit time-varying nonlinear characteristics. Current research lacks effective m

echanisms for dynamic monitoring and prediction of synchronization errors. To address this issue

a 5G-TSN clock synchronization model was established

and a clock synchronization error prediction mechanism based on long short-term memory (LSTM) was proposed. LSTM's ability to model long-term temporal dependencies aligns well with the cumulative and dynamic nature of clock errors

enabling it to predict trends and identify potential synchronization anomalies effectively. This provides feed forward control support for synchronization compensation and enhances reliability.Simulation experiment results show that on a typical industrial scene simulation dataset

the determination coefficient

of this method reaches 0.951

and it outperforms backpropagation neural networks

recurrent neural networks

gated recurrent units

and Transformer models based on self-attention mechanisms in terms of evaluation metrics such as mean squared error. This work provides theoretical support for constructing high-precision

adjustable sub-microsecond 5G-TSN integrated synchronization systems.

关键词

Keywords

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