Empirical Stochastic Model of Multi-GNSS Measurements. [PDF]
Sensors (Basel), 2021 The stochastic model, together with the functional model, form the mathematical model of observation that enables the estimation of the unknown parameters. In Global Navigation Satellite Systems (GNSS), the stochastic model is an especially important element as it affects not only the accuracy of the positioning model solution, but also the reliability
Prochniewicz D, Wezka K, Kozuchowska J.
europepmc +7 more sources
Helmert Variance Component Estimation for Multi-GNSS Relative Positioning [PDF]
Sensors, 2020 The Multi-constellation Global Navigation Satellite System (Multi-GNSS) has become the standard implementation of high accuracy positioning and navigation applications.
Mowen Li +5 more
doaj +6 more sources
Estimating and Analyzing Long-Term Multi-GNSS Inter-System Bias Based on Uncombined PPP [PDF]
Sensors, 2020 With the development of precise positioning with multi-GNSS, the inter-system bias (ISB) has become an issue that cannot be ignored. ISB is introduced from the differences among satellite reference clocks and different receiver hardware delay biases.
Fan Zhang +4 more
doaj +4 more sources
Multi-GNSS Precise Point Positioning with UWB Tightly Coupled Integration [PDF]
Sensors, 2022 Global Navigation Satellite Systems (GNSSs) can provide high-precision positioning services, which can be applied to fields including navigation and positioning, autonomous driving, unmanned aerial vehicles and so on.
Zhenchuan Huang +3 more
doaj +2 more sources
Efficient Methods of Utilizing Multi-SBAS Corrections in Multi-GNSS Positioning [PDF]
Sensors, 2020 Various combining methods have been proposed to utilize multi-satellite-based augmentation system (SBAS) correction to provide accurate position in the global navigation satellite system (GNSS) receiver.
Kwi Woo Park +2 more
doaj +2 more sources
Constrained MLAMBDA Method for Multi-GNSS Structural Health Monitoring [PDF]
Sensors, 2019 Deformation monitoring of engineering structures using the advanced Global Navigation Satellite System (GNSS) has attracted research interest due to its high-precision, constant availability and global coverage. However, GNSS application requires precise
Haiyang Li +4 more
doaj +2 more sources
Mitigation of Unmodeled Error to Improve the Accuracy of Multi-GNSS PPP for Crustal Deformation Monitoring [PDF]
Remote Sensing, 2019 High-rate multi-constellation global navigation satellite system (GNSS) precise point positioning (PPP) has been recognized as an efficient and reliable technique for large earthquake monitoring.
Kai Zheng +7 more
doaj +3 more sources
Study on Multi-GNSS Precise Point Positioning Performance with Adverse Effects of Satellite Signals on Android Smartphone [PDF]
Sensors, 2020 The emergence of dual frequency global navigation satellite system (GNSS) chip actively promotes the progress of precise point positioning (PPP) technology in Android smartphones. However, some characteristics of GNSS signals on current smartphones still
Hongyu Zhu +4 more
doaj +2 more sources
Principle and performance of multi-frequency and multi-GNSS PPP-RTK [PDF]
Satellite Navigation, 2022 PPP-RTK which takes full advantages of both Real-Time Kinematic (RTK) and Precise Point Positioning (PPP), is able to provide centimeter-level positioning accuracy with rapid integer Ambiguity Resolution (AR).
Xingxing Li +5 more
doaj +2 more sources
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
doaj +2 more sources