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铁路通信信号工程技术 ›› 2021, Vol. 18 ›› Issue (6): 43-46,58.DOI: 10.3969/j.issn.1673-4440.2021.06.009

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基于4G专线APN技术的新型铁路应急通信系统

洪 峰1，刘 畅2   

  1. 1．中国铁路广州局集团有限公司广州通信段，广州 510080；
    2．中国铁路广州局集团有限公司电务部，广州 510080
  • 收稿日期:2020-05-21 修回日期:2021-04-17 出版日期:2021-06-25 发布日期:2021-08-12

New Railway Emergency Communication System Based on 4G Dedicated APN Technology

Hong Feng1,  Liu Chang2   

  1. 1. Guangzhou Communication Division, China Railway Guangzhou Group Co., Ltd., Guangzhou 510080, China；
    2. Signal & Communication Division, China Railway Guangzhou Group Co., Ltd., Guangzhou 510080, China
  • Received:2020-05-21 Revised:2021-04-17 Online:2021-06-25 Published:2021-08-12

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摘要： 介绍一种基于4G专线APN技术的新型铁路应急通信系统，并分析APN技术原理、系统组网架构和业务流。通过与既有应急通信系统的对比，对铁路应急通信系统的发展方向进行探讨。

关键词: APN, 应急通信, GRE隧道

Abstract: This paper introduces a new type of railway emergency communication system based on 4G dedicated APN technology and analyzes the principles of APN technology, its system networking architecture and information flow. Through the comparison with the old system, the development direction of the railway emergency communication system is discussed.

Key words: APN, emergency communication, GRE tunnel

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