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Sensors (Basel). 2014 Jan 8;14(1):927-43. doi: 10.3390/s140100927.

Precise point positioning with the BeiDou navigation satellite system.

Author information

1
GNSS Research Center, Wuhan University, No.129 Luoyu Road, Wuhan 430079, China. limin@whu.edu.cn.
2
GNSS Research Center, Wuhan University, No.129 Luoyu Road, Wuhan 430079, China. qulizhong@whu.edu.cn.
3
GNSS Research Center, Wuhan University, No.129 Luoyu Road, Wuhan 430079, China. zhaoql@whu.edu.cn.
4
GNSS Research Center, Wuhan University, No.129 Luoyu Road, Wuhan 430079, China. whuguojing2005@163.com.
5
GNSS Research Center, Wuhan University, No.129 Luoyu Road, Wuhan 430079, China. longtian00@163.com.
6
GNSS Research Center, Wuhan University, No.129 Luoyu Road, Wuhan 430079, China. lixiaotao@whu.edu.cn.

Abstract

By the end of 2012, China had launched 16 BeiDou-2 navigation satellites that include six GEOs, five IGSOs and five MEOs. This has provided initial navigation and precise pointing services ability in the Asia-Pacific regions. In order to assess the navigation and positioning performance of the BeiDou-2 system, Wuhan University has built up a network of BeiDou Experimental Tracking Stations (BETS) around the World. The Position and Navigation Data Analyst (PANDA) software was modified to determine the orbits of BeiDou satellites and provide precise orbit and satellite clock bias products from the BeiDou satellite system for user applications. This article uses the BeiDou/GPS observations of the BeiDou Experimental Tracking Stations to realize the BeiDou and BeiDou/GPS static and kinematic precise point positioning (PPP). The result indicates that the precision of BeiDou static and kinematic PPP reaches centimeter level. The precision of BeiDou/GPS kinematic PPP solutions is improved significantly compared to that of BeiDou-only or GPS-only kinematic PPP solutions. The PPP convergence time also decreases with the use of combined BeiDou/GPS systems.

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