Development of Satellite Navigation in China
Sun Hongwei, Li Zhigang, Ping Feng · Proceedings of the IEEE International Frequency Control Symposium · 2007
China completed the first satellite navigation system at 2003. The system named Beidou is an active-mode regional navigation system. The service area of the system covers the east and south Asia. The functions of the system include positioning, short-data communications and time service. During the present time, China is constructing the second-generation satellite navigation system, which named Compass; it will be passive-mode global navigation system including 35 satellites. In addition, China joined Galileo Project some years ago.