Results 1 to 10 of about 91,121 (140)

Initial Assessment of BDS PPP-B2b Service: Precision of Orbit and Clock Corrections, and PPP Performance

Remote Sensing, 2021
On 31 July 2020, the Beidou global navigation satellite system (BDS-3) was officially announced as being commissioned. In addition to offering global positioning, navigation, and timing (PNT) services, BDS-3 also provides precise point positioning (PPP ...
Zhenjie Wang, Zhixi Nie, Xiaofei Xu
exaly   +4 more sources

A Continuous B2b-PPP Model Considering Interruptions in BDS-3 B2b Orbits and Clock Corrections as Well as Signal-in-Space Range Error Residuals

Remote Sensing
In 2020, BDS-3 began broadcasting high-precision positioning correction products through B2b signals, effectively addressing the limitations of ground-based augmentation.
Xiaolin Meng, Qi Liu
exaly   +4 more sources

Real-Time Precise Orbit Determination of Low Earth Orbit Satellites Based on GPS and BDS-3 PPP B2b Service

Remote Sensing
This study investigates and verifies the feasibility of the precise point positioning (PPP)-B2b enhanced real-time (RT) precise orbit determination (POD) of low Earth orbit (LEO) satellites.
Tianhe Xu
exaly   +4 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   +2 more sources

Sub-Nanosecond UTC Dissemination Based on BDS-3 PPP-B2b Service

Remote Sensing, 2023
The BeiDou-3 system (BDS-3) broadcasts PPP-B2b signals to provide real-time PPP service. Compared with the traditional PPP technique, the PPP-B2b service broadcasts corrections through satellite links, covers a wide area, and is independent of the ...
Zhe Zhang, Baoqi Sun, Kan Wang, Xiaohong Han, Haiyan Yang, Ge Wang, Meifang Wu, Yuanxin Wang, Changjiang Geng, Xuhai Yang   +9 more
doaj   +2 more sources

Performance assessment of BeiDou-3 PPP-B2b real time pre-cise point positioning [PDF]

Scientific Reports
To assess the performance of the PPP-B2b service, most existing studies typically store real-time PPP-B2b messages and leverage them to acquire precise satellite orbits and clock offsets.
Yu Lin, Laiyong Song, Jiaqi Shen, Zelin Mu   +3 more
doaj   +2 more sources

Evaluation of the Ionospheric Corrections Generated by Smartphones with Different Real-Time Products [PDF]

Sensors
Ionospheric delay is a dominant error source in global navigation satellite systems (GNSSs). Conventional ionospheric estimation relies on dense networks of expensive geodetic receivers, limiting accessibility and coverage.
Yan Zhang, Yang Jiang, Yang Gao
doaj   +2 more sources

EACR 2023: Innovative Cancer Science, 12-15 June 2023, Torino, Italy. [PDF]

Mol Oncol, 2023
Molecular Oncology, Volume 17, Issue S1, Page 1-597, June 2023.
europepmc   +2 more sources

Synergistic augmentation of BDS PPP-B2b: integrating LEO constellations and wide-lane ambiguity resolution for instantaneous convergence [PDF]

Scientific Reports
To address the slow convergence issue of PPP-B2b, this paper proposes a positioning method that integrates wide-lane ambiguity resolution (WAR) with low earth orbit (LEO) synergistic enhancement.
Qing Zhao, Shuguo Pan, Wang Gao, Xianlu Tao, Hong Huang, Moye Zhang, Qiang Wang   +6 more
doaj   +2 more sources

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