星地融合通信系统:网络架构、使能技术及原型验证  

Integrated Satellite-Terrestrial Communication Systems:Architectures,Enabling Technologies and Prototype Verification

作　　者：丁睿 房天昊 王闻今[2] 刘雨 马伟[4] 万屹 DING Rui;FANG Tianhao;WANG Wenjin;LIU Yu;MA Wei;WAN Yi(China Satellite Network Group Co.,Ltd.,Beijing 100083,China;National Mobile Communications Research Laboratory,Southeast University,Nanjing 210096,China;Peng Cheng Laboratory,Shenzhen 518000,China;Xi'an Institute of Space Radio Technology,Xi′an 710199,China;China Academy of Information and Communications Technology,Beijing 100191,China)

机构地区：[1]中国卫星网络集团有限公司,北京100083 [2]东南大学移动通信国家重点实验室,江苏南京210096 [3]鹏城实验室,广东深圳518000 [4]西安空间无线电技术研究所,陕西西安710199 [5]中国信息通信研究院,北京100191

出　　处：《天地一体化信息网络》2023年第3期79-87,共9页Space-Integrated-Ground Information Networks

摘　　要：星地融合网络能够为地面用户提供全球无缝接入与服务,被认为是未来移动通信系统的一个发展趋势,具有光明的应用前景。而卫星网络中存在的长时延、大频偏、大小区半径等区别于地面网络的特性对星地融合网络的发展提出了挑战。对星地融合网络的网络架构和使能关键技术进行分析与讨论,并介绍一种可用于星地融合网络地面验证的原型系统。The integrated satellite-terrestrial communication system is considered one of the development trends of future communication systems for its ability to provide seamless coverage and service.However,the differences between satellite and terrestrial communication networks,e.g.,large propagation delays,large Doppler shifts,and large cell radius,pose challenges to fulfilling integrated satellite-terrestrial communication systems.The network architectures and key enabling technologies were discussed and analyzed and a prototype system for the terrestrial verification of integrated satellite-terrestrial communication systems was proposed.

关 键 词：星地融合网络 网络架构 空中接口 卫星通信 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]