低轨卫星智能多接入边缘计算网络:需求、架构、机遇与挑战  

Low Earth Orbit Satellite Intelligent Multi-access Edge Computing Networks:Requirements,Architecture,Opportunities and Challenges

作　　者：王鹏[1] 张佳鑫 张兴[2] 王文博[1] WANG Peng;ZHANG Jiaxin;ZHANG Xing;WANG Wenbo(School of Information and Communication Engineering,Beijing University of Posts and Telecommunications,Beying 100876,China)

机构地区：[1]北京邮电大学,北京100876 [2]北京邮电大学信息与通信工程学院,北京100876

出　　处：《移动通信》2021年第5期35-46,共12页Mobile Communications

基　　金：国家重点研发计划项目(2020YFB1807900);国家自然科学青年基金项目(61901048)。

摘　　要：传统低轨卫星通信系统受限于星上板载能力和在轨计算能力约束,在适配未来天地一体融合网络架构中存在资源受限、运行孤立、响应迟滞等问题。为实现低轨卫星与地面网络的充分融合和协调发展,并适应新一代通信网络业务需求,首先阐述梳理了近年来低轨卫星通信网络的进展历程,并对多接入边缘计算与智能计算技术在天地融合网络中应用进行了分析;其次,通过分析下一代低轨卫星网络的场景和业务需求,提出了低轨卫星多接入边缘计算网络架构及其组网方式;最后,对低轨卫星智能多接入边缘计算网络所面临的挑战与机遇进行总结。通过上述阐述以及分析,提供未来低轨卫星网络与地面网络融合发展的可行技术路径和发展方向。Restricted by the current on-board capabilities and on-orbit computing ability, the traditional Low Earth Orbit(LEO) system has problems like limited resources, isolated operation and delayed response in adapting the next-generation integrated communication networks. In order to achieve the full integration and coordinated development of LEO satellites and terrestrial networks, and adapt to the requirements of next-generation communication networks, this paper firstly reviews the recent progress of LEO satellite communication networks, and analyzes the applications of multi-access edge computing and intelligent computing technologies in the development of communication networks. Secondly, through analyzing the scenarios and service requirements of the next-generation LEO satellite network, the LEO satellite multi-access edge computing network architecture and networking methods are proposed. Finally, the challenges and opportunities are summarized for LEO satellite intelligent multi-access edge computing networks. Through the above presentation and analysis, the feasible technological roadmap and development direction are provided for the integration and development of future LEO satellite networks and terrestrial networks.

关 键 词：低轨卫星 智能计算 边缘计算 

分 类 号：TN927.2[电子电信—通信与信息系统]