6G星地融合移动通信关键技术  

Key technologies for 6G integrated satellite-terrestrial mobile communication

作　　者：陈山枝 孙韶辉 康绍莉 徐晖 苏厉[4] 张晓燕[5] 胡博 张伟[7] 虞志刚 Shanzhi CHEN;Shaohui SUN;Shaoli KANG;Hui XU;Li SU;Xiaoyan ZHANG;Bo HU;Wei ZHANG;Zhigang YU(China Information Communication Technology,Beijing 100083,China;Key Laboratory of Wireless Mobile Communications,Beijing 100083,China;C-ICT Mobile Communication Technology Co.,Ltd,Beijing 100083,China;State Key Laboratory of Space Network and Communications,Tsinghua University,Beijing 100084,China;The State Radio Monitoring Center,Beijing 100037,China;School of Computer Science,Beijing University of Post and Telecommunication,Beijing 100876,China;China Academy of Space Technology,Beijing 100094,China;China Academy of Electronics and Information Technology,Beijing 100041,China)

机构地区：[1]中国信息通信科技集团有限公司,北京100083 [2]无线移动通信全国重点实验室,北京100083 [3]中信科移动通信技术股份有限公司,北京100083 [4]清华大学天基网络与通信全国重点实验室,北京100084 [5]国家无线电监测中心,北京100037 [6]北京邮电大学计算机学院,北京100876 [7]中国空间技术研究院,北京100094 [8]中国电子科技集团有限公司电子科学研究院,北京100041

出　　处：《中国科学：信息科学》2024年第5期1177-1214,共38页Scientia Sinica(Informationis)

基　　金：国家重点研发计划(批准号:2020YFB1807900)资助项目。

摘　　要：星地融合移动通信朝着“5G体制兼容、6G系统融合”的技术路径发展,6G星地融合可以充分发挥卫星通信和地面移动通信各自的优势,极大地提高网络的覆盖能力和系统性价比,实现全球立体覆盖的目标.本文概述了星地融合移动通信发展背景与趋势,分析了6G星地融合移动通信需求与技术挑战,针对无线传输效率低、网络架构设计复杂、移动性管理难、网络质量保障难等系列问题,从无线传输、网络架构、资源管控和移动性管理、天基计算、频谱共享等多个方面开展6G星地融合移动通信关键技术研究.针对各关键技术,首先分析发展现状,然后提出创新技术,并开展相应的性能评估验证其有效性.The integration of satellite communication and terrestrial mobile communication is developing from 5G system compatibility to 6G system integration.Through the advantage complementary and close integration of satellite network and terrestrial network,6G integrated satellite-terrestrial mobile communication(ISTMC)will expand the network coverage and improve the overall efficiency of the network,thus realizing the threedimensional seamless global coverage network.This paper summarizes the development background and trend of ISTMC,analyzes the requirements and technical challenges of 6G ISTMC,and studies the key technologies of 6G ISTMC from wireless transmission,network architecture,resource management and mobility management,space-based computing,spectrum sharing and other aspects in view of a series of problems such as complex network architecture design,low wireless transmission efficiency and difficult network quality assurance.In view of each key technology,this paper first analyzes the development status,then puts forward innovative methods or algorithms,and carries out corresponding performance evaluation to verify their effectiveness.

关 键 词：6G 星地融合移动通信 多波束协同 弹性可重构网络架构 频谱共享 移动性管理 天基计算 

分 类 号：TN929.5[电子电信—通信与信息系统]