Due to the strong demand for satellite applications and rapid development of new space technology,the cross-integration of space-based radio systems has become a trend.BeiDou system started from two satellites to build China's first generation satellite navigation and positioning system with the features of fast location reporting(RDSS)and short message communication(MSS)service.Then BeiDou technology frame combined with RNSS continuous navigation and RDSS location report,was constructed in eight years,and the coverage in Asia-Pacific was completed.Through effective satellite radio frequency compatible design and international coordination,BeiDou system is the first radio satellite system which includes RNSS,RDSS,MSS three major services,approved by International Telecommunication Union(ITU)in the world.This paper expounds the development process,technical frame,main features and prospect of BeiDou system with three major services and four key functions,in the concept of innovation and transcendence.

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fast location crossintegration of spacebased radio systems short message communicationmssservicethen beidou technology satellite navigation and positioning system satellite applications rnss continuous navigation coordinationbeidou system rdss location radio frequency compatible

TAN Shusen,.Innovative Development and Forecast of BeiDou System. 46 (10),.

TAN Shusen,"Innovative Development and Forecast of BeiDou System" 46

TAN Shusen,"Innovative Development and Forecast of BeiDou System"