伽利略卫星导航系统的发展历程及其现代化计划  

The developed procedures and developing trends of Galileo navigation satellite system

作　　者：杨子辉 薛彬 YANG Zihui;XUE Bin(The School of Marine Science and Technology,Tianjin University,Tianjin 300072)

机构地区：[1]天津大学海洋科学与技术学院,天津300072

出　　处：《导航定位学报》2022年第3期1-8,共8页Journal of Navigation and Positioning

摘　　要：以最新资料为依据,介绍了伽利略卫星导航系统(Galileo)艰辛的发展历程,包括与我国北斗卫星导航系统(BDS)及美国全球定位系统(GPS)的导航频率之争、与GPS的导航信号专利之争;阐述了Galileo的现代化计划,包括星载设备及地面段设备的现代化、高精度服务(HAS)功能、求救信号返回链接消息(RLM)功能,为我国BDS的现代化提供参考。Based on the the latest documents from public issues,this paper reviewed the difficult development history of Galileo satellite navigation system(Galileo),including the navigation frequency disputes among Chinese BeiDou satellite navigation System(BDS)and the United States Global Positioning System(GPS),and the navigation signal patent conflict with GPS.This paper explains Galileo's modernization plan,including the modernization of navigation satellites and ground segment equipment,High-Precision Service(HAS)functions,and the Return Link Message(RLM)function.The lessens and modernization plans can be as reference for future development of BDS.

关 键 词：伽利略卫星导航系统 导航频率之争 专利之争 原子钟故障 高精度服务 

分 类 号：P228[天文地球—大地测量学与测量工程]