手机直连卫星通信:发展现状、应用场景和标准演进  

Satellite Communication Supporting Direct Connection with Mobile Phones:Development Trend,Application Scenario,and Standards Evolution

作　　者：王达 童建飞 穆飞宇 WANG Da;TONG Jianfei;MU Feiyu(China Satellite Network Application Co.,Ltd.,Beijing 100029,China;Shanghai Satellite Network Research Institute Co.,Ltd.,Shanghai 200131,China)

机构地区：[1]中国星网网络应用研究院有限公司,北京100029 [2]上海卫星互联网研究院有限公司,上海200131

出　　处：《无线电通信技术》2023年第5期795-802,共8页Radio Communications Technology

摘　　要：为实现全球通信网络无缝覆盖,卫星通信将在未来发挥重要作用,国际上大量新兴商业公司相继开展卫星互联网系统规划和设计,发展态势不容小觑。在已有的地面移动通信协议体制基础上,通过适当改进,可利用移动手机终端与卫星建立直连通信。介绍了当前国内外手机直连卫星通信技术的发展现状及部分典型应用场景,详细分析了3GPP NTN标准演进情况,并初步阐述了未来存在的问题和挑战。In order to achieve seamless coverage of global communication networks,satellite communication will play an important role in the future.A large number of emerging international commercial companies have successively carried out satellite internet system planning and design,and the development trend cannot be underestimated.Based on existing ground mobile communication protocol system,through appropriate improvements,direct communication between mobile phone terminals and satellites can be established.This article introduces current development trend and some typical application scenarios of mobile direct satellite communication technology,analyzes in detail the evolution of 3GPP NTN standard,and preliminarily elaborates on future problems and challenges.

关 键 词：卫星通信 手机直连通信 卫星互联网应用 非地面网络 标准演进 

分 类 号：TN927.23[电子电信—通信与信息系统]