Accuracy and reliability of multi-GNSS real-time precise positioning: GPS, GLONASS, BeiDou, and Galileo

X Li, M Ge, X Dai, X Ren, M Fritsche, J Wickert… - Journal of geodesy, 2015‏ - Springer
In this contribution, we present a GPS+ GLONASS+ BeiDou+ Galileo four-system model to
fully exploit the observations of all these four navigation satellite systems for real-time …

[HTML][HTML] A Survey of Visible-Light-Communication-Based Indoor Positioning Systems

R Wang, G Niu, Q Cao, CS Chen, SW Ho - Sensors, 2024‏ - mdpi.com
There is a growing demand for indoor positioning systems (IPSs) in a wide range of
applications. However, traditional solutions such as GPS face many technical challenges. In …

Real-time precise point positioning with a low-cost dual-frequency GNSS device

Z Nie, F Liu, Y Gao - Gps Solutions, 2020‏ - Springer
In recent years, there is an increasing demand for precise positioning with low-cost GNSS
devices in support of applications from self-driving cars to unmanned aerial vehicles …

Multi-GNSS precise point positioning (MGPPP) using raw observations

T Liu, Y Yuan, B Zhang, N Wang, B Tan, Y Chen - Journal of geodesy, 2017‏ - Springer
A joint-processing model for multi-GNSS (GPS, GLONASS, BDS and GALILEO) precise
point positioning (PPP) is proposed, in which raw code and phase observations are used. In …

Assessment of precise orbit and clock products for Galileo, BeiDou, and QZSS from IGS Multi-GNSS Experiment (MGEX)

F Guo, X Li, X Zhang, J Wang - GPS solutions, 2017‏ - Springer
The focus is on the quality assessment of precise orbit and clock products for the emerging
Galileo, BeiDou, and QZSS systems. Products provided by Multi-GNSS Experiment (MGEX) …

Multi-GNSS meteorology: real-time retrieving of atmospheric water vapor from BeiDou, Galileo, GLONASS, and GPS observations

X Li, G Dick, C Lu, M Ge, T Nilsson… - … on Geoscience and …, 2015‏ - ieeexplore.ieee.org
The rapid development of multi-Global Navigation Satellite Systems (GNSSs, eg, BeiDou,
Galileo, GLONASS, and GPS) and the International GNSS Service (IGS) Multi-GNSS …

Multi-GNSS precise point positioning for precision agriculture

J Guo, X Li, Z Li, L Hu, G Yang, C Zhao, D Fairbairn… - Precision …, 2018‏ - Springer
The main objective of this research was to examine the feasibility of Multi-GNSS precise
point positioning (PPP) in precision agriculture (PA) through a series of experiments with …

Multi-GNSS high-rate RTK, PPP and novel direct phase observation processing method: Application to precise dynamic displacement detection

J Paziewski, R Sieradzki, R Baryla - Measurement Science and …, 2018‏ - iopscience.iop.org
This paper provides the methodology and performance assessment of multi-GNSS signal
processing for the detection of small-scale high-rate dynamic displacements. For this …

Experimental testing of high-rate GNSS precise point positioning (PPP) method for detecting dynamic vertical displacement response of engineering structures

CO Yigit, E Gurlek - Geomatics, natural hazards and risk, 2017‏ - Taylor & Francis
The fundamental dynamic property of the structures is the oscillation frequency, which can
be derived from the response measurements. The structures with a short/medium/long span …

Real-Time Precise Point Positioning (RTPPP) with raw observations and its application in real-time regional ionospheric VTEC modeling

T Liu, B Zhang, Y Yuan, M Li - Journal of Geodesy, 2018‏ - Springer
Abstract Precise Point Positioning (PPP) is an absolute positioning technology mainly used
in post data processing. With the continuously increasing demand for real-time high …