空天地网络确定性服务架构、挑战及关键技术

doi:10.19665/j.issn1001-2400.2023.03.001

西安电子科技大学学报 ›› 2023, Vol. 50 ›› Issue (3): 1-18.doi: 10.19665/j.issn1001-2400.2023.03.001

• 面向IT3.0的感通算融合6G关键技术专题 • 下一篇

空天地网络确定性服务架构、挑战及关键技术

曹欢^1,²(),陈岩^1,^2,³(),周一青^1,^2,³(),苏泳涛⁴(),刘子凡^1,²(),陈道进^1,²(),丁雅帅⁴()

1.中国科学院计算技术研究所处理器芯片全国重点实验室,北京 100190
2.移动计算与新型终端北京市重点实验室,北京 100190
3.中国科学院大学,北京 100049
4.北京中科晶上科技股份有限公司,北京 100190

收稿日期:2022-12-14 出版日期:2023-06-20 发布日期:2023-10-13
通讯作者: 周一青
作者简介:曹欢(1988—),男,工程师, E-mail:caohuan@ict.ac.cn；|陈岩(2000—),男,中国科学院计算技术研究所博士研究生,E-mail:chenyan19s@ict.ac.cn；|苏泳涛(1976—),男,正高级工程师,E-mail:gaborspace@163.com；|刘子凡(1996—),男,初级工程师,E-mail:liuzifan@ict.ac.cn；|陈道进(1995—),男,工程师,E-mail:chendaojin@ict.ac.cn；|丁雅帅(1987—),女,工程师,E-mail:dingyashuai@sylincom.com
基金资助:
国家重点研发计划(2020YFB1808004)

Deterministic service of space-air-ground integrated networks: architecture,challenges and key technologies

CAO Huan^1,²(),CHEN Yan^1,^2,³(),ZHOU Yiqing^1,^2,³(),SU Yongtao⁴(),LIU Zifan^1,²(),CHEN Daojin^1,²(),DING Yashuai⁴()

1. State Key Lab of Processors,Institute of Computing Technology,Chinese Academy of Sciences,Beijing 100190,China
2. Beijing Key Laboratory of Mobile Computing and PervasiveDevice,Beijing 100190,China
3. University of Chinese Academy of Sciences,Beijing 100049,China
4. Company of Sylincom,Beijing 100190,China

Received:2022-12-14 Online:2023-06-20 Published:2023-10-13
Contact: Yiqing ZHOU

摘要/Abstract

摘要：

面向空天地全域垂直行业用户极致通信的需求,协同地面移动通信网络和快速发展的非地面(NTN)通信网络,打破传统“尽力而为”的僵化服务模式,为用户提供全域确定性服务是未来6G通信重要的发展方向之一。首先,概述了未来空天地一体化组网架构及该架构下的确定性服务内涵与场景需求,并提出了一种面向全域网络的确定性服务管控技术框架。然后,分析了全域确定性服务过程中面临的三大挑战,包括全域全场景用户业务感知难以保障、空天地一体端到端切片组网编排困难和切片子网内全域多维资源协同快速调度困难等问题。针对上述挑战,分别介绍了基于智能云的全域全场景业务感知技术、基于网络拓扑预测的星地端到端智能切片编排和数据与模型驱动的星地资源智能分配技术三个解决方案,为空天地一体网络极致服务技术的发展提供参考。

关键词: 空天地一体, 确定性服务, 智能感知, 网络切片, 智能资源调度

Abstract:

It is one of the important development directions of future 6G communication to meet the extreme communication needs of users in the global vertical industry,cooperate with the terrestrial mobile communication network and the rapidly developing non-terrestrial network (NTN),and break the traditional rigid service mode of "doing your best" to provide users with global deterministic services.First,this paper summarizes the future space-air-ground integrated network architecture and the deterministic service connotation and scenario requirements under this architecture.In addition,it proposes a global network-oriented deterministic service management and a control technology framework.Then,it analyzes the three major challenges faced in the process of global deterministic service,including the difficulty in ensuring the business awareness of users in the global whole scene,orchestrating the end-to-end slicing network space-air-ground integration,and quickly coordinating and scheduling the global multidimensional resources in the slicing subnet.In response to the above challenges,three solutions are introduced respectively,namely,intelligent cloud-based full-domain,full-scene service sensing technology,satellite earth end-to-end intelligent slicing orchestration based on network topology prediction,and data and model-driven satellite earth resource intelligent allocation technology,which provide a reference for the development of space-air-ground integrated network extreme service technology.

Key words: space-air-ground integration, deterministic service, intelligent perception, network slicing, intelligent resource scheduling

中图分类号:

TN927.23

曹欢,陈岩,周一青,苏泳涛,刘子凡,陈道进,丁雅帅. 空天地网络确定性服务架构、挑战及关键技术[J]. 西安电子科技大学学报, 2023, 50(3): 1-18.

CAO Huan,CHEN Yan,ZHOU Yiqing,SU Yongtao,LIU Zifan,CHEN Daojin,DING Yashuai. Deterministic service of space-air-ground integrated networks: architecture,challenges and key technologies[J]. Journal of Xidian University, 2023, 50(3): 1-18.

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行业	案例	效果
智慧港口	宁波港	控制信号平均时延降低约64%
智能电网	深圳5G智能电网	巡视效率提升11倍,停电0.02 s自动隔离
智能制造	海尔互联工厂	设备停机故障降低约25%,生产效率提升约40%,投资成本节省约30%

名称	轨道高度范围/km	轨道	对地面覆盖范围/km
GEO卫星	35 786	相对于地球上固定点静止	200~3 500
MEO卫星	7 000~25 000	环绕地球	100~1 000
LEO卫星	300~1 500		100~1 000
HAPS/UAV低空平台	8~50	临近空间静止	5~200

空天地网络确定性服务架构、挑战及关键技术

Deterministic service of space-air-ground integrated networks: architecture,challenges and key technologies

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