GNSS Carrier-Phase Multipath Modeling and Correction: A Review and Prospect of Data Processing Methods

Q Zhang, L Zhang, A Sun, X Meng, D Zhao… - Remote Sensing, 2024 - mdpi.com
A multipath error is one of the main sources of GNSS positioning errors. It cannot be
eliminated by forming double-difference and other methods, and it has become an issue in …

Multipath mitigation in GNSS precise point positioning using multipath hierarchy for changing environments

H Yuan, Z Zhang, X He, Y Dong, J Zeng, B Li - GPS Solutions, 2023 - Springer
Global navigation satellite system precise point positioning (PPP) technology can be
significantly affected by multipath errors of code and phase observations. Previous studies …

Multipath hemispherical map model with geographic cut-off elevation constraints for real-time GNSS monitoring in complex environments

H Ren, G Li, J Geng, F Wang, P Li - GPS Solutions, 2023 - Springer
Abstract Global Navigation Satellite System (GNSS) is an important technical tool for
building deformation monitoring, but in complex environments such as urban canyons, the …

Characterization and mitigation of urban GNSS multipath effects on smartphones

D Weng, Z Hou, Y Meng, M Cai, Y Chan - Measurement, 2023 - Elsevier
In urban environments, the code measurements of Global Navigation Satellite System
(GNSS) on smartphones can be significantly degraded by presence of multipath and non …

Multipath error extraction and mitigation based on refined wavelet level and threshold selection

H Zhou, X Wang, S Zhong, Y Li, K ** - GPS Solutions, 2024 - Springer
Multipath effect is one of the major challenges for Global Navigation Satellite Systems
(GNSS) to achieve millimeter-level high-precision positioning and orbit determination …

Landslide deformation velocity real-time monitoring based on time-differenced carrier phase and its fault detection method

Z Bai, G Huang, Q Zhang - Measurement, 2025 - Elsevier
GNSS technologies such as Real-Time Kinematic (RTK) and Precise Point Positioning
(PPP) have become indispensable for landslide monitoring. However, RTK relies on stable …

Real-time multipath mitigation based on spatiotemporal correlations in BDS precise point positioning

H Wang, Z Zhang, Y Dong, W Zhan, Y Li - GPS Solutions, 2024 - Springer
Abstract The BeiDou Navigation Satellite System (BDS) features a heterogeneous
constellation, which poses challenges in accurately characterizing the spatiotemporal …

Characterization of BDS Multipath Effect Based on AT-Conv-LSTM Network

J Sun, Z Tang, C Zhou, J Wei - Remote Sensing, 2023 - mdpi.com
Multipath effects are the most challenging error sources for the Global Navigation Satellite
System receiver, affecting observation quality and positioning accuracy. Due to the non …

[HTML][HTML] Assessing the Performance of Multipath Mitigation for Multi-GNSS Precise Point Positioning Ambiguity Resolution

K Zheng, L Tan, K Liu, M Chen, X Zeng - Remote Sensing, 2023 - mdpi.com
Real-time GNSS PPP is commonly used for high-precision positioning, but its utility is
constrained by factors that necessitate extended convergence periods for a dependable …

Optimized multi-point hemispherical grid model with adaptive grid division based on the prior information of multipath error

X Zou, Y Wang, Z Wu, W Tang, C Zhou, Z Li… - Advances in Space …, 2024 - Elsevier
The multi-point hemispherical grid model (MHGM) utilizes residual of double-differenced
observations to extract precise multipath error information. It models the entire network of …