卫星互联网发展及星链系统通信能力分析

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Development of satellite internet and analysisof communication capabilityof Starlink system

LIU Xuguang，HE Wenwen，LI Hao，LI Yingda （Unit 63892 of PLA，Luoyang 471000，Henan，China）

Abstract： In recent years，internet satellite constellations at home and abroad have developed rapidly and made some progress. The development and advantages of internet communication for medium and low earth orbit satelites are analyzed.Combined with the latest development status of Starlink， the communication capability of Starlink is simulated and analyzed from the aspects of communication coverage，service time and satelite direct connection service.Finally，the future military application of Starlink system is predicted.

Keywords：satellite internet; Starlink system;satelite direct connection; communication capability

0 引言

1 卫星互联网现状

卫星互联网是以卫星通信为基础的新型空间网络信息基础设施，通过一定数量的人造地球卫星形成卫星星座，融合地面网络基础设施，构建起覆盖全球的高速宽带互联网接入服务1。（剩余5291字）