GNSS PPP-RTK tightly coupled with low-cost visual-inertial odometry aiming at urban canyons

F Wang, J Geng - Journal of Geodesy, 2023 - Springer
High-precision positioning is essential for emerging mass-market applications such as
autonomous driving, unmanned aerial vehicles and intelligent transportation in complex …

A lane-level localization method via the lateral displacement estimation model on expressway

Y Guo, J Zhou, Q Dong, Y Bian, Z Li, J Xiao - Expert Systems with …, 2024 - Elsevier
The gradual proliferation of high-definition (HD) maps has played a pivotal role in the
advancement of intelligent vehicles. However, a considerable number of vehicles still face …

Single-frequency multi-GNSS PPP-RTK for smartphone rapid centimeter-level positioning

S Cheng, F Wang, G Li, J Geng - IEEE Sensors Journal, 2023 - ieeexplore.ieee.org
The availability of raw Android global navigation satellite system (GNSS) data is driving
innovation in high-precision positioning using Android smartphones. However, inconsistent …

Multipath error mitigation method considering NLOS signal for high-precision GNSS data processing

X Zou, R Fu, J Tang, Y Wang, X Fan, Z Li, C Deng, Y Li… - GPS Solutions, 2023 - Springer
The non-line-of-sight (NLOS) signal has different signal characteristics and error from
multipath, and it may lead to significant errors in the Global Navigation Satellite System …

Fusing vehicle trajectories and GNSS measurements to improve GNSS positioning correction based on actor-critic learning

H Zhao, Z Li, C Chen, L Wang, K Xie, S Xie - Proceedings of the 2023 …, 2023 - ion.org
Obtaining high-accuracy vehicle localization is essential for safe navigation in automated
vehicles, however, complex urban environments result in inaccurate positioning because of …

Assessment of the double-parameter iterative Tikhonov regularization for single-epoch measurement model-based precise GNSS positioning

A Fischer, S Cellmer, K Nowel - Measurement, 2023 - Elsevier
The double-parameter iterative Tikhonov regularization is assessed for strengthening the
single-epoch model-based precise GNSS positioning within the framework of cognitive …

Elimination of GNSS carrier phase diffraction error using an obstruction adaptive elevation masks determination method in a harsh observing environment

R Xi, D Xu, W Jiang, Q He, X Zhou, Q Chen, X Fan - GPS Solutions, 2023 - Springer
The GNSS performance is significantly degraded in urban or natural canyons because of the
signal interferences caused by buildings, trees and slopes. Besides the multipath and non …

[HTML][HTML] Application of Atmospheric Augmentation for PPP-RTK with Instantaneous Ambiguity Resolution in Kinematic Vehicle Positioning

ZF Shao, DW Gong, ZY Qu, SY Xu, XT Lei, Z Li - Remote Sensing, 2024 - mdpi.com
The long convergence time and non-robust positioning accuracy are the main factors
limiting the application of precision single-point positioning (PPP) in kinematic vehicle …

Predicting C/N0 as a Key Parameter for Network RTK Integrity Prediction in Urban Environments

A Karimidoona, S Schön - Remote Sensing, 2023 - mdpi.com
Autonomuous transportation systems require navigation performance with a high level of
integrity. As Global Navigation Satellite System (GNSS) real-time kinematic (RTK) solutions …

Factor Graph Optimization-based GNSS PPP-RTK: An Alternative Platform to Study Urban GNSS Precise Positioning

S Xin, J Geng, LT Hsu - IEEE Transactions on Aerospace and …, 2024 - ieeexplore.ieee.org
The global navigation satellite system (GNSS) PPP-RTK technique, which integrates the
superiorities of precise point positioning (PPP) and real-time kinematic (RTK), is increasingly …