手机直连低轨卫星的应用场景及业务需求分析  

Analysis on application scenarios and requirements for direct-to-handset LEO satellite

作　　者：刘悦[1] 田野[1] 赵冬[1] 李彦坤 杨虎啸 高然 忻向军 LIU Yue;TIAN Ye;ZHAO Dong;LI Yankun;YANG Huxiao;GAO Ran;XIN Xiangjun(Satellite Communications Branch Beijing,China Telecom Co.Ltd.,Beijing 100035,China;Beijing Institute of Technology,Beijing 100081,China)

机构地区：[1]中国电信股份有限公司卫星应用技术研究院,北京100035 [2]北京理工大学,北京100081

出　　处：《电信科学》2024年第4期56-65,共10页Telecommunications Science

基　　金：国家重点研发计划项目“6G卫星通信接入组网技术”(No.2020YFB1808000)。

摘　　要：手机直连卫星是低轨(low earth orbiting,LEO)星座系统的重要应用方向之一。概述了手机直连卫星的主要技术路线、应用场景及业务类型;分析了低轨星座的建设成本、承载能力、运营收入;提出了我国手机直连卫星通信的主要应用应以广覆盖、海量连接为主,而卫星大流量宽带上网应用存在商业闭环的风险;最后探讨了结合应用需求的技术发展建议。Direct-to-handset satellite service is one of the important applications for low earth orbiting(LEO)satellite constellation systems.The overview on the main technology routes,application scenarios,and business types of satellite communication service for direct-to-handset was provided.The construction cost,capacity and operating income of LEO satellite constellation system were analyzed.The main applications of direct-to-handset satellite in China should focus on wide coverage and massive connections.Furthermore,there was a risk of commercial closed-loop in high traffic and broadband satellite applications.Finally,the technology trend was discussed associated with application requirements.

关 键 词：手机直连卫星 低轨星座系统 低空经济 非地面网络 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]