卫星互联网资源管控技术研究

Resource Management and Scheduling for Satellite Internet

卫星互联网支持全球无缝覆盖,是地面通信系统的重要扩展和延伸、构建“空天地”一体化网络的关键环节、实现网络强国的重要基础信息设施;发展卫星互联网战略意义重大,相应的资源管控研究较为迫切。本文阐述了卫星互联网的基本概念及国际发展前沿、卫星互联网资源管控的基本要素与研究进展,辨识了以卫星互联网新环境、新模式为代表的卫星互联网资源管控发展挑战,形成了相应的应对策略。设计了卫星互联网资源管控技术路线,涵盖星地网络互联互通、星地异构资源融合、智能按需服务、智慧内生等主要阶段;论证提出了卫星互联网资源管控模式与架构,构建了包括高时空动态资源表征、多维资源时间连续确定性分析、多维时变能力池索引、智能决策规划在内的卫星网络资源管控关键技术体系。研究建议,重点关注资源异质异构、网络结构动态变化、服务需求差异化的网络特征,按照优化的技术路线循序渐进发展,突破卫星网络资源管控关键技术并融合人工智能技术,从而实现智能高效的卫星网络资源管控。

Supporting seamless global coverage,satellite Internet is an important expansion and extension of terrestrial communication systems,plays a key role in the space‒air‒ground integrated network,and acts as an important information infrastructure for building China’s strength in cyberspace.Developing satellite Internet is of great strategic significance,and corresponding research on its resource management and scheduling is urgently needed.This study illustrates the fundamental concepts and international development frontiers of satellite Internet as well as the basic elements and research progress of satellite Internet resource management and scheduling,identifies the challenges imposed by the new environment and new modes of satellite Internet,and proposes the development strategies.Moreover,it designs a technical route for satellite Internet resource management,including the primary stages of satellite‒ground network interconnection,integration of heterogeneous resources,intelligent on-demand service,and native intelligence.In addition,this study proposes the model and architecture of satellite Internet resource management and scheduling,and constructs a key technical system involving high spatio-temporal dynamic resource characterization,multi-dimensional resource time-continuum deterministic analysis,multi-dimensional time-varying capacity pool indexing,and intelligent decision planning.To realize the intelligent and efficient management and scheduling of satellite Internet resources,we should focus on the network characteristics such as resource heterogeneity,dynamic change of network structure,and differentiated service requirements,implement satellite Internet resource management and scheduling according to the optimized technical route,achieve breakthroughs regarding corresponding key technologies,and integrate artificial intelligence technologies into the resource management and scheduling.