Towards millimeter-level accuracy in GNSS-based space geodesy: A review of error budget for GNSS precise point positioning

X Li, JP Barriot, Y Lou, W Zhang, P Li, C Shi - Surveys in Geophysics, 2023 - Springer
The aim of the new generation of Global Geodetic Observing System is a millimeter-level
accuracy in positioning, with a crucial role to be played by Global Navigation Satellites …

GNSS multipath detection using a machine learning approach

LT Hsu - 2017 IEEE 20th international conference on intelligent …, 2017 - ieeexplore.ieee.org
Insufficient localization accuracy of global navigation satellite system (GNSS) receivers is
one of the challenges to implement advanced intelligent transportation system in highly …

Tightly coupled GNSS/INS integration via factor graph and aided by fish-eye camera

W Wen, X Bai, YC Kan, LT Hsu - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
GNSS/INS integrated solution has been extensively studied over the past decades.
However, its performance relies heavily on environmental conditions and sensor costs. The …

Analysis and modeling GPS NLOS effect in highly urbanized area

LT Hsu - GPS solutions, 2018 - Springer
Current GPS positioning accuracy in urban areas is still unsatisfactory for various
applications, including pedestrian navigation and autonomous driving. Due to the …

3D LiDAR aided GNSS NLOS mitigation in urban canyons

WW Wen, LT Hsu - IEEE Transactions on Intelligent …, 2022 - ieeexplore.ieee.org
This paper proposes a 3D LiDAR aided global navigation satellite system (GNSS) non-line-
of-sight (NLOS) mitigation method due to both static buildings and dynamic objects. A sliding …

NLOS multipath classification of GNSS signal correlation output using machine learning

T Suzuki, Y Amano - Sensors, 2021 - mdpi.com
This paper proposes a method for detecting non-line-of-sight (NLOS) multipath, which
causes large positioning errors in a global navigation satellite system (GNSS). We use …

3D building model-based pedestrian positioning method using GPS/GLONASS/QZSS and its reliability calculation

LT Hsu, Y Gu, S Kamijo - GPS solutions, 2016 - Springer
The current low-cost global navigation satellite systems (GNSS) receiver cannot calculate
satisfactory positioning results for pedestrian applications in urban areas with dense …

Smartphone shadow matching for better cross-street GNSS positioning in urban environments

L Wang, PD Groves, MK Ziebart - The Journal of Navigation, 2015 - cambridge.org
Global Navigation Satellite System (GNSS) shadow matching is a new positioning technique
that determines position by comparing the measured signal availability and strength with …

A computation effective range-based 3D map** aided GNSS with NLOS correction method

HF Ng, G Zhang, LT Hsu - The Journal of Navigation, 2020 - cambridge.org
Global navigation satellite system (GNSS) positioning in dense urban areas remains a
challenge due to the signal reflection by buildings, namely multipath and non-line-of-sight …

3D map** database aided GNSS based collaborative positioning using factor graph optimization

G Zhang, HF Ng, W Wen, LT Hsu - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
The recent development in vehicle-to-everything (V2X) communication opens a new
opportunity to improve the positioning performance of the road users. We explore the benefit …