Improving GNSS PPP Convergence: The Case of Atmospheric-Constrained, Multi-GNSS PPP-AR [PDF]
Sensors, 2019 GNSS positioning performance has been shown to improve with the ingestion of data from Global Ionospheric Maps (GIMs) and tropospheric zenith path delays, which are produced by, e.g., the International GNSS Service (IGS).
John Aggrey, Sunil Bisnath
doaj +2 more sources
PPP and PPP-AR Kinematic Post-Processed Performance of GPS-Only, Galileo-Only and Multi-GNSS
Remote Sensing, 2019 Precise point positioning (PPP) has been used for decades not only for general positioning needs but also for geodetic and other scientific applications.
Felix Perosanz +2 more
exaly +3 more sources
Investigating GNSS PPP–RTK With External Ionospheric Constraints
Satellite Navigation, 2022 Real-Time Kinematic Precise Point Positioning (PPP–RTK) is inextricably linked to external ionospheric information. The PPP–RTK performances vary much with the accuracy of ionospheric information, which is derived from different network scales, given ...
Xiaohong Zhang, Xiaodong Ren
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GPS Galileo BDS3 LEO uncalibrated phase delays estimation and tight combination precise point positioning with ambiguity resolution [PDF]
Scientific ReportsMulti-system precise point positioning (PPP) can increase the number of observing satellites and improve the geometric configuration between the receivers and the satellites, and low-Earth orbit (LEO) satellites have fast motion and low orbital altitude,
Jing Fang +5 more
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Evaluation the static precise point positioning and fixing rate with phase ambiguity resolution using different analysis centers products. [PDF]
PLoS ONEThe performance of precise point positioning with phase ambiguity resolution (PPP-AR) strongly depends on the quality of analysis centers (ACs) products. Nowadays, many IGS/MGEX ACs provide PPP-AR products. To give a full evaluation of PPP-AR performance
Xingli Sun, Jinjie Yao, Zhiliang Yang
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Performance of PPP and PPP-RTK With New-Generation GNSS Constellations and Signals
Satellite NavigationThe expansion of Global Navigation Satellite Systems (GNSS) and Regional Navigation Satellite Systems (RNSS), along with broadcasting of additional signals, offers more options for Precise Point Positioning (PPP). Utilizing a number of constellations and
Xiaodong Ren
exaly +2 more sources
Real time NL UPD estimation method based on a sliding time window [PDF]
Scientific ReportsIn the precise point positioning-ambiguity resolution (PPP-AR) method, the wide-lane (WL) and narrow-lane (NL) uncalibrated phase delays (UPDs) are instrumental in resolving the WL and NL ambiguities, respectively, ultimately achieving PPP-AR.
Siyao Wang +5 more
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Remote Sensing, 2021 Suffering from hardware phase biases originating from satellites and the receiver, precise point positioning (PPP) requires a long convergence time to reach centimeter coordinate accuracy, which is a major drawback of this technique and limits its ...
Chao Chen +4 more
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Sensors, 2023 The integration of global navigation satellite system (GNSS) precise point positioning (PPP) and inertial navigation system (INS) is widely used in navigation for its robustness and resilience, especially in case of GNSS signal blockage.
Lei Zhao +3 more
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Assessment of Multi-Frequency PPP Ambiguity Resolution Using Galileo and BeiDou-3 Signals
Remote Sensing, 2021 From network RTK to PPP-RTK, it is highly expected that high-precision positioning within a few minutes can be achieved with a sparse reference network.
Jiang Guo +3 more
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