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1. 北京科技大学自动化学院,北京 100083
2. 北京邮电大学电子工程学院,北京 100876
3. 北京科技大学计算机与通信工程学院,北京 100083
4. 美国得克萨斯大学阿灵顿分校电子工程系,得克萨斯 76019
5. 中国联通研究院,北京 100048
[ "孙雷(1984- ),男,贵州安顺人,博士,北京科技大学副教授、硕士生导师,主要研究方向为移动通信技术、时间敏感网络、工业确定性网络、5G与时间敏感网络协同传输技术、异构网络联合资源管理机制等" ]
[ "王健全(1974- ),男,山西平遥人,博士,北京科技大学教授、博士生导师,主要研究方向为工业泛在网络、工业互联网、工业互联网安全、网络协同与智能制造等" ]
[ "林尚静(1986- ),女,湖北武汉人,博士,北京邮电大学讲师、硕士生导师,主要研究方向为用户中心无定形网络、无线资源管理、数据驱动的5G网络优化等" ]
[ "马彰超(1984- ),男,山西晋城人,博士,北京科技大学副教授、硕士生导师,主要研究方向为工业互联网安全、5G与工业网络协同、工业互联网、量子保密通信等" ]
[ "李卫(1966- ),女,重庆人,北京科技大学教授、硕士生导师,主要研究方向为工业互联网、移动通信系统与关键技术等" ]
[ "Qilian Liang(1972- ),男,博士,美国得克萨斯大学阿灵顿分校教授,主要研究方向为无线通信、无线传感网络、信号处理等" ]
[ "黄蓉(1986- ),女,四川资阳人,博士,中国联通研究院高级工程师,主要研究方向为5G/6G网络架构及关键技术、确定性网络和工业互联网" ]
网络出版日期:2021-12,
纸质出版日期:2021-12-25
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孙雷, 王健全, 林尚静, 等. 基于无线信道信息的5G与TSN联合调度机制研究[J]. 通信学报, 2021,42(12):65-75.
Lei SUN, Jianquan WANG, Shangjing LIN, et al. Research on 5G-TSN joint scheduling mechanism based on radio channel information[J]. Journal on communications, 2021, 42(12): 65-75.
孙雷, 王健全, 林尚静, 等. 基于无线信道信息的5G与TSN联合调度机制研究[J]. 通信学报, 2021,42(12):65-75. DOI: 10.11959/j.issn.1000-436x.2021224.
Lei SUN, Jianquan WANG, Shangjing LIN, et al. Research on 5G-TSN joint scheduling mechanism based on radio channel information[J]. Journal on communications, 2021, 42(12): 65-75. DOI: 10.11959/j.issn.1000-436x.2021224.
针对具备周期性及时间触发特征的工业业务在无线环境下的确定性传输问题,提出了一种基于空口信道质量信息的5G与时间敏感网络联合优化机制。在时间敏感网络中,改进了时间敏感网络业务流处理架构,优先处理承载于较差质量无线信道的工业业务流;在 5G 网络中,分析了 5G 系统传输时延影响因素,对无线信道质量、无线资源数量与空口最大传输次数的关系进行建模,基于该模型可得到满足数据传输可靠度要求的最大重传次数,从而可动态设置重传因子以动态规划承载于不同无线资源上的工业业务的5G系统传输时延预算。仿真结果表明,所提联合调度机制能降低承载于较差信道质量的工业业务的时间敏感网络域传输时延,并能有效消除5G空口随机变化导致的重传对传输时延造成的抖动,实现工业业务端到端确定性时延保障。
To solve the deterministic transmission problem of periodic and time-triggered industrial traffics in wireless environment, a joint optimization mechanism of 5G and time sensitive networking based on radio channel information was considered.Based on improved traffic process architecture in time sensitive network, the traffics bearing on radio channel with worse quality could be processed in priority.In 5G networks, the relationship among radio channel quality, resource numbers and the maximum transmission times over radio was modeled, and the maximum transmission times satisfied data transmission reliable probability could be computed from the model,then the transmission time budget in 5G system for multiple industrial traffics bearing on diverse radio resources could be adjusted dynamically by retransmission factors.Simulation results demonstrate that the proposed joint scheduling mechanism achieves less TSN transmission delay of industrial traffics bearing on worse quality radio resources and can eliminate jitter caused by retransmission due to variation of 5G radio channel, which can guarantee end-to-end deterministic delay for industrial traffics.
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