Version 1
: Received: 6 February 2024 / Approved: 6 February 2024 / Online: 6 February 2024 (13:20:00 CET)
How to cite:
Wu, M.; Wang, L.; Xie, W.; Yue, F.; Cui, B. Performance Evaluation of Precise Point Positioning Based on Multiple Real-Time Augmentation Information. Preprints2024, 2024020356. https://doi.org/10.20944/preprints202402.0356.v1
Wu, M.; Wang, L.; Xie, W.; Yue, F.; Cui, B. Performance Evaluation of Precise Point Positioning Based on Multiple Real-Time Augmentation Information. Preprints 2024, 2024020356. https://doi.org/10.20944/preprints202402.0356.v1
Wu, M.; Wang, L.; Xie, W.; Yue, F.; Cui, B. Performance Evaluation of Precise Point Positioning Based on Multiple Real-Time Augmentation Information. Preprints2024, 2024020356. https://doi.org/10.20944/preprints202402.0356.v1
APA Style
Wu, M., Wang, L., Xie, W., Yue, F., & Cui, B. (2024). Performance Evaluation of Precise Point Positioning Based on Multiple Real-Time Augmentation Information. Preprints. https://doi.org/10.20944/preprints202402.0356.v1
Chicago/Turabian Style
Wu, M., Fan Yue and Bobin Cui. 2024 "Performance Evaluation of Precise Point Positioning Based on Multiple Real-Time Augmentation Information" Preprints. https://doi.org/10.20944/preprints202402.0356.v1
Abstract
The most commonly used real-time augmentation services in China are International GNSS Service (IGS) real-time service, PPP-B2b service, and BeiDou Satellite-Based Augmentation System (BDSBAS) dual-frequency augmentation service. However, the research on the performance evaluation, comparison and application scope of these three products is still unknown and unrevealed. This article introduces methods for obtaining real-time augmentation information and real-time orbit and clock offset recovery. Based on real-time orbit and clock offset accuracy, positioning accuracy, and positioning availability, it systematically evaluates the performance of CNES, PPP-B2b, and BDSBAS augmentation information. The results indicate that the radial accuracy of CNES and PPP-B2b real-time orbit products is consistent, and the Root Mean Square (RMS) is better than 5 cm. CNES can achieve centimeter-level accuracy in both along-track and cross-track components, surpassing the decimeter-level accuracy of PPP-B2b. Both services demonstrate consistent accuracy in real-time clock offset, with PPP-B2b showing similar standard deviations (STD) of 0.16 ns for different satellites. However, for CNES, the STD of real-time clock offset varies for GPS, BDS-3 MEO, and BDS-3 IGSO satellites, with values of 0.10 ns, 0.19 ns, and 0.60 ns, respectively. The accuracy and availability of the two PPP services exhibit the same levels, with centimeter-level accuracy achieved after convergence and positioning availability exceeding 99%. Therefore, the difference between the two services in application areas depends on the acquisition of augmentation information. However, BDSBAS, which concentrates on code observations, demonstrates lower accuracy in real-time orbit and clock offset, positioning accuracy, and positioning availability compared to the other two services. Its primary application is in the aviation and maritime domains, where there is a greater need for service integrity, continuity, and reliability.
Keywords
real-time augmentation; evaluation; orbit and clock offset; precise point positioning
Subject
Environmental and Earth Sciences, Remote Sensing
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
