Research on key technologies for deterministic and high-reliability communication in 5G ToB network

Sun Xun; Song Xuguang; Ma Hongyuan; Feng Zhiqiang; Lu Youwei

doi:10.11959/j.issn.1000-0801.DXKX250128

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Research on key technologies for deterministic and high-reliability communication in 5G ToB network

Engineering and Application | 更新时间：2026-05-13

- Research on key technologies for deterministic and high-reliability communication in 5G ToB network
- Telecommunications Science Vol. 42, Issue 4, Pages: 216-225(2026)
- 作者机构：
  
  1.中国移动通信集团设计院有限公司，北京 100080
  2.中国移动通信集团有限公司，北京 100032
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.DXKX250128
  CLC： TN915
- Received：03 March 2025，
  
  Revised：2025-06-05，
  
  Accepted：04 September 2025，
  
  Published：20 April 2026
- 稿件说明：
移动端阅览
孙逊,宋旭光,马洪源等.面向5G ToB的确定性通信高可靠关键技术研究[J].电信科学,2026,42(04):216-225.

Sun Xun,Song Xuguang,Ma Hongyuan,et al.Research on key technologies for deterministic and high-reliability communication in 5G ToB network[J].Telecommunications Science,2026,42(04):216-225.
孙逊,宋旭光,马洪源等.面向5G ToB的确定性通信高可靠关键技术研究[J].电信科学,2026,42(04):216-225. DOI： 10.11959/j.issn.1000-0801.DXKX250128.

Sun Xun,Song Xuguang,Ma Hongyuan,et al.Research on key technologies for deterministic and high-reliability communication in 5G ToB network[J].Telecommunications Science,2026,42(04):216-225. DOI： 10.11959/j.issn.1000-0801.DXKX250128.

摘要

针对工业制造、智能驾驶等面向垂直行业的超可靠低时延通信（ultra-reliable low-latency communication，uRLLC）业务，当前国际标准移动通信网络通过系统级双路冗余传输方案等确定性通信技术解决低可靠性问题。然而，当前技术存在对芯片/终端要求高、发展受制于终端模组、对通信核心网N3/N9接口占用资源翻倍等问题。基于此，提出“双发选收”解决方案，不需要将终端芯片升级改造，仅在用户面功能（user plane function，UPF）侧进行了功能改造以支持报文的冗余处理，提高了网络的可靠性能力，与工业制造核心场景契合。

Abstract

For ultra-reliable low-latency communication (uRLLC) services targeting vertical industries such as industrial manufacturing and intelligent driving

current international mobile communication standards address low reliability issues through deterministic communication technologies like system-level dual-link redundant transmission schemes. However

existing technologies face challenges such as high requirements on chipsets and terminals

development constraints due to terminal modules

and doubled resource consumption on N3/N9 interfaces of the core network. Based on this

the “dual-transmission and selective-reception” solution was proposed. It did not require upgrades or modifications to terminal chips. Instead

only functional modifications were made on the user plane function (UPF) side to support redundant processing of messages. This enhanced the network’s reliability

making it well-suited for core industrial manufacturing scenarios.

关键词

Keywords

references

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