Results 21 to 30 of about 2,070 (251)
Sensors, 2013 Precise Point Positioning (PPP) has become a very hot topic in GNSS research and applications. However, it usually takes about several tens of minutes in order to obtain positions with better than 10 cm accuracy.
Hongping Zhang +6 more
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Instantaneous Sub-meter Level Precise Point Positioning of Low-Cost Smartphones
Navigation, 2023 The prevalence of inexpensive global navigation satellite system (GNSS) chips that facilitate the performance of carrier phase measurements has provided hardware that can be used as the foundation for implementing precise point positioning (PPP) of low ...
Jiale Wang +4 more
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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 +5 more
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Optimization method for multi-constellation precise point positioning performance evaluation [PDF]
Jisuanji gongcheng, 2019 In order to reduce the number of parameters to be estimated and improve the positioning accuracy in the data processing of multi-constellation Precise Point Positioning(PPP),a performance evaluation method based on ambiguity integer solution for the ...
HE Wei,GUO Chengjun,TIAN Zhong
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Comprehensive Analyses of PPP-B2b Performance in China and Surrounding Areas
Remote Sensing, 2022 BeiDou Global Navigation Satellite System (BDS-3) provides a regional Precise Point Positioning (PPP) service, called PPP-B2b, for users in China and surrounding areas through B2b signal transmitted from its three geostationary earth orbit (GEO ...
Yan Liu, Cheng Yang, Mengni Zhang
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Comparison Analysis on the Accuracy of Galileo PPP Using Different Frequency Combinations in Europe
Applied Sciences, 2021 The Galileo constellations are characterized by transmitting GNSS signals on multi-frequencies, which can benefit the robustness and accuracy of the solutions.
Jia Song, Lewen Zhao
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Single-Frequency Precise Point Positioning Using Regional Dual-Frequency Observations
Sensors, 2021 High-precision and low-cost single-frequency precise point positioning (SF-PPP) has been attracting more and more attention in numerous global navigation satellite system (GNSS) applications.
Junping Zou, Ahao Wang, Jiexian Wang
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Tropospheric delay parameters from numerical weather models for multi-GNSS precise positioning [PDF]
Atmospheric Measurement Techniques, 2016 The recent dramatic development of multi-GNSS (Global Navigation Satellite System) constellations brings great opportunities and potential for more enhanced precise positioning, navigation, timing, and other applications.
C. Lu +6 more
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Real-Time Precise Point Positioning during Outages of the PPP-B2b Service
Remote Sensing, 2023 The precise point positioning service on B2b signal (PPP-B2b) is a real-time decimeter-level positioning service provided by the BeiDou-3 Global Navigation Satellite System (BDS-3). The service provides users with high-precision orbit and clock corrections through geostationary orbit (GEO) satellites, which means that the PPP-B2b service would be ...
Yufei Chen +6 more
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Assessment of the accuracy and convergence period of Precise Point Positioning
Alexandria Engineering Journal, 2018 Precise Point Positioning (PPP) is a well-known positioning method that removes, models, or estimates GNSS system errors to reach the optimal position accuracy from a single receiver.
Mohammed Abou-Galala +3 more
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