Results 21 to 30 of about 72,152 (156)

Long-Term Performance Evaluation of BeiDou PPP-B2b Products and Its Application in Time Service

Remote Sensing, 2023
Precise Point Positioning (PPP) is an official service of the BeiDou Global Navigation Satellite System (BDS-3) through the PPP-B2b signal. In this paper, we mainly focus on the long-term performance evaluation of BDS-3 PPP-B2b products and their ...
Qianqian He, Liang Chen, Lei Liu, Daiyan Zhao, Xiaopeng Gong, Yidong Lou, Qi Guan   +6 more
doaj   +2 more sources

Assessment of BDS-3 PPP-B2b Service and Its Applications for the Determination of Precipitable Water Vapour

Atmosphere
The precise point positioning (PPP) service via the B2b signal (PPP-B2b) on the BeiDou Navigation Satellite System (BDS) provides high-accuracy orbit and clock data for global navigation satellite systems (GNSSs), enabling real-time atmospheric data ...
Xiaoming Wang, Yufei Chen, Jinglei Zhang, Cong Qiu, Kai Zhou, Haobo Li, Qiuying Huang   +6 more
doaj   +2 more sources

Assessment of PPP Using BDS PPP-B2b Products with Short-Time-Span Observations and Backward Smoothing Method

Remote Sensing
The BeiDou Navigation Satellite System (BDS) offers orbit and clock corrections through the B2b signal, enabling Precise Point Positioning (PPP) without relying on ground communication networks.
Lewen Zhao, Wei Zhai
doaj   +2 more sources

A Comparative Study of Factor Graph Optimization-Based and Extended Kalman Filter-Based PPP-B2b/INS Integrated Navigation

Remote Sensing, 2023
Recently, factor graph optimization (FGO)-based GNSS/INS integrated navigation has garnered widespread attention for its ability to provide more robust positioning performance in challenging environments like urban canyons, compared to traditional ...
Shiji Xin, Xiaoming Wang, Jinglei Zhang, Kai Zhou, Yufei Chen   +4 more
doaj   +2 more sources

Design and Reception Method of Code Shift Keying Signals With Power‐of‐Two Phase Intervals

IET Radar, Sonar & Navigation
Precise point positioning (PPP) technology has garnered extensive attention for its ability to deliver real‐time centimetre‐level accuracy services. When providing PPP services via satellite navigation signals, it is necessary to increase the data rate ...
Nengjie Yu, Dun Wang, Xiaohui Ba, Mingquan Lu, Shaobo Shen   +4 more
doaj   +2 more sources

The Bias in PPP-B2b Real-Time Clock Offset and the Strategy to Reduce It

Remote Sensing, 2022
Precise point positioning can provide accurate coordinates to users without reference stations, and the high-precision real-time clock offset product is necessary for real-time precise point positioning application.
Jinhuo Liu, Chengpan Tang, Shanshi Zhou, Xiaogong Hu, Yufei Yang, Jianhua Yang, Yuchen Liu   +6 more
doaj   +2 more sources

Combining Galileo HAS and Beidou PPP-B2b with Helmert coordinate transformation method

GPS Solutions
Haopeng Wei, Guorui Xiao, Peiyuan Zhou, Peigong Li, Zhengyang Xiao, Baoxiang Zhang   +5 more
semanticscholar   +2 more sources

Evaluation of BDS-3 B1C/B2b Single/Dual-Frequency PPP Using PPP-B2b and RTS SSR Products in Both Static and Dynamic Applications

Remote Sensing, 2022
The BeiDou Global Navigation Satellite System (BDS-3) can provide PPP-B2b satellite-based Precise Point Positioning (PPP) real-time service to the Asia–Pacific region via PPP-B2b signal transmitted from the three Geostationary Earth Orbit (GEO ...
Ruohua Lan, Cheng Yang, Yanli Zheng, Qiaozhuang Xu, Jie Lv, Zhouzheng Gao   +5 more
doaj   +1 more source

USER IMPLEMENTATION AND ASSESSMENT OF BDS-3 PRECISE POINT POSITIONING AUGMENTATION SERVICE WITH NO ECONOMIC COST [PDF]

ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023
The satellite-based precise point positioning (PPP) service enables users with high accuracy positions without Internet connections. Currently, two types of satellite-based PPP services are available.
C. Ouyang, C. Ouyang, C. Ouyang, J. Shi, J. Shi, J. Shi, W. Peng, W. Peng, W. Peng, X. Dong, X. Dong, X. Dong, J. Guo, J. Guo, J. Guo, Y. Yao, Y. Yao   +16 more
doaj   +1 more source

Comprehensive Analysis of PPP-B2b Service and Its Impact on BDS-3/GPS Real-Time PPP Time Transfer

Remote Sensing, 2022
2020 saw the official completion of the BDS-3 and the start of the PPP-B2b signal-based real-time precise point positioning (PPP) service to users in China and the neighboring areas.
Jian Tang, Daqian Lyu, Fangling Zeng, Yulong Ge, Runzhi Zhang   +4 more
doaj   +1 more source