Publications

2026 (1)

journal

Three-Dimensional Mapping-Aided Global Navigation Satellite System in Global Navigation Satellite System-Accessible Indoor Areas

Hoi-Wah Ng, Hoi-Fung Ng, Li-Ta Hsu, John-Ross Rizzo

Sensors (2026)

DOI

2025 (17)

journal

3D LiDAR Aided GNSS NLOS Correction by Direction-of-Arrival Estimation Using Doppler Measurements in Urban Canyons

Liu X, Wen W, Zhang L, Hsu L. T

IEEE Transactions on Intelligent Transportation Systems (2025)

DOI

journal

Automated Camera Positioning for Digital Twinning: Incorporating 360-Degree Imaging, Differential Rendering, and 3D Spatial Data

Lee M. J. L, Ng H. F, Hsu L. T

IEEE Transactions on Instrumentation and Measurement (2025)

DOI

conference

Certifiably Optimal Satellite Orbit Determination Based on Doppler Measurements for Low-Earth-Orbit Satellites

Baoshan Song, Weisong Wen, Li-Ta Hsu

2025 IEEE/ION Position, Location and Navigation Symposium (PLANS) (2025)

DOI

journal

Fault Detection Algorithm for Gaussian Mixture Noises: An Application in Lidar/IMU Integrated Localization Systems

Yan P, Li Z, Huang F, Wen W, Hsu L. T

NAVIGATION: Journal of the Institute of Navigation (2025)

DOI

journal

Framework for Low-Cost Indoor Smartphone Camera-based Localization Using Spherical Panorama and BIM

Lee M. J. L, Lin J, Zhang G, Hsu L. T

IEEE Sensors Journal (2025)

DOI

conference

GNSS/Map Integration with Batch Factor Graph Optimization for Reliable Trajectory Estimation in Urban Canyon

Yihan Zhong, Hoi-Fung Ng, Li-Ta Hsu, Weisong Wen

2025 IEEE/ION Position, Location and Navigation Symposium (PLANS) (2025)

DOI

journal

Graph-Based Indoor 3D Pedestrian Location Tracking With Inertial-Only Perception

Bai S, Wen W, Su D, Hsu L. T

IEEE Transactions on Mobile Computing (2025)

DOI

journal

Grid-based 3DMA GNSS with clustering and Doppler velocity using factor graph optimisation

Ng H. F, Zhong Q, Groves P, Hsu L. T

The Journal of Navigation (2025)

DOI

book

Hsu L. T.

Hsu L. T, Zhang G. and Ng H. F, “Chapter: Map-Aided GNSS Positioning” of the book “Handbook on Wireless Localization

Springer Publishers Inc (2025)

patent

Multi-feature visual positioning method

Lee J, Hsu L. T

Patent (2025)

journal

Multiple Faults Isolation For Multi-Constellation GNSS Positioning through Incremental Expansion of Consistent Measurements

Yan P, Hu Y, Wen W, Hsu L. T

IEEE Sensors Journal (2025)

DOI

conference

Paired Cauchy-Gaussian overbound for not symmetric unimodal heavy-tailed distributions

Zhengdao Li, Penggao Yan, Weisong Wen, Li-Ta Hsu

2025 IEEE/ION Position, Location and Navigation Symposium (PLANS) (2025)

DOI

conference

Roadside GNSS Aided Multi-Sensor Integrated System for Vehicle Positioning in Urban Areas

Feng Huang, Yihan Zhong, Hang Chen, Dongzhe Su, Jin Wu, Weisong Wen, Li-Ta Hsu

2025 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) (2025)

DOI

journal

Safety-quantifiable line feature-based monocular visual localization with 3d prior map

Zheng X, Wen W, Hsu L. T

IEEE Transactions on Intelligent Transportation Systems (2025)

DOI

journal

Tightly joined positioning and control model for unmanned aerial vehicles based on factor graph optimization

Yang P, Wen W, Bai S, Hsu L. T

IEEE Transactions on Vehicular Technology (2025)

DOI

patent

U.S. Patent No. 12,292,340

Wang Q, Huang X, Shaheer M, Mohammad T, Zhang X, Luo M, Hsu L. T, Usmani A

Patent (2025)

patent

U.S. Patent No. 63/840,727

Lee J, Hsu L. T

Patent (2025)

2024 (42)

conference

3DMA GNSS Positioning with Multipath Signals in Urban Areas: Methodology and Preliminary Results

Mingda Ye, Guohao Zhang, Li-Ta Hsu

ION GNSS+, The International Technical Meeting of the Satellite Division of The Institute of Navigation (2024)

DOI

conference

A Fault Detection Algorithm for LiDAR/IMU Integrated Localization Systems with Non-Gaussian Noises

Penggao Yan, Weisong Wen, Feng Huang, Li-Ta Hsu

The International Technical Meeting of the The Institute of Navigation (2024)

DOI

journal

A Framework for Graphical GNSS Multipath and NLOS Mitigation

Xu P, Zhang G, Zhong Y, Yang B, Hsu L. T

IEEE Transactions on Intelligent Transportation Systems (2024)

DOI

patent

A method and system for GNSS positioning assisted by three-dimensional map

Wen W, Zhang G, Hsu L. T

Patent (2024)

journal

A Survey on Cooperative Positioning Using GNSS Measurements

Jin R, Zhang G, Hsu L. T, Hu Y

IEEE Transactions on Intelligent Vehicles (2024)

DOI

conference

An Adaptive Weighted GNSS/VINS/Wi-Fi RTT-based Seamless Positioning System for Smartphone

Meiling Su, Bing Wang, Sugata Ahad, Xinyue Huang, Guohao Zhang, Li-Ta Hsu

2024 14th International Conference on Indoor Positioning and Indoor Navigation (IPIN) (2024)

DOI

conference

AutoW: Self-Supervision Learning for Weighting Estimation in GNSS Positioning

Penghui Xu, Li-Ta Hsu

ION GNSS+, The International Technical Meeting of the Satellite Division of The Institute of Navigation (2024)

DOI

conference

BDS for Train Localization Performance Forecast in Railway Environments Using Machine Learning

Debiao Lu, Haoyu Wang, Baigen Cai, Jian Wang, Jiang Liu, Guohao Zhang, Li-Ta Hsu

ION Pacific PNT (2024)

DOI

conference

Bounding the Heavy-Tailed Pseudorange Error by Leveraging Membership Weights Analysis of Gaussian Mixture Model

Penggao Yan, Yihan Zhong, Li-Ta Hsu

ION Pacific PNT (2024)

DOI

journal

Building Model Rectification Using GNSS Reflectometry

Ye M, Zhang G, Hsu L. T

IEEE Geoscience and Remote Sensing Letters (2024)

DOI

journal

Characterization and Validation of GNSS Multipath-Induced Doppler Measurement Error

Fang J, Zhang L, Zhang G, Xu B, Hsu L. T

IEEE Transactions on Aerospace and Electronic Systems (2024)

DOI

conference

DGNSS Corrected Pseudorange and Time-Differenced Carrier Phase (TDCP) Measurements using Differentiable Factor Graph Optimization (DFGO)

Hoi-Fung Ng, Penghui Xu, Yihan Zhong, Guohao Zhang, Weisong Wen, Li-Ta Hsu

ION GNSS+, The International Technical Meeting of the Satellite Division of The Institute of Navigation (2024)

DOI

journal

Enhancing GNSS Positioning Accuracy for Road Monitoring Systems: A Factor Graph Optimization Approach Aided by Geospatial Information

Zhong Y, Hu R, Bai X, Li X, Hsu L. T, Wen W

IEEE Transactions on Instrumentation and Measurement (2024)

DOI

journal

Enhancing positioning in GNSS denied environments based on an extended Kalman filter using past GNSS measurements and IMU

Iyer K, Dey A, Xu B, Sharma N, Hsu L. T

IEEE Transactions on Vehicular Technology (2024)

DOI

journal

Enhancing Smartphone-based Pedestrian Positioning: Using Factor Graph Optimization with Indoor/Outdoor Detection for 3DMA GNSS/Visual-Inertial State Estimation

Ho H. Y, Ng H. F, Wen W, Gu Y, Hsu L. T

Journal of Data Science and Intelligent Systems (2024)

DOI

conference

Exploring the Feasibility of Automated Data Standardization using Large Language Models for Seamless Positioning

Max J. L. Lee, Ju Lin, Li-Ta Hsu

2024 14th International Conference on Indoor Positioning and Indoor Navigation (IPIN) (2024)

DOI

conference

Factor Graph Optimization Based Multi Epoch Ambiguity Resolution for GNSS RTK and its Evaluation in Hong Kong Urban Canyons

Yuan Li, Xikun Liu, Weisong Wen, Li-Ta Hsu, Yilong Yuan, Guangyu Bian, Qiaoyun Chen

ION GNSS+, The International Technical Meeting of the Satellite Division of The Institute of Navigation (2024)

DOI

journal

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

Xin S, Geng J, Hsu L. T

IEEE Transactions on Aerospace and Electronic Systems (2024)

DOI

journal

Factor Graph Optimization-Based Smartphone IMU-Only Indoor SLAM With Multi-Hypothesis Turning Behavior Loop Closures

Bai S, Wen W, Hsu L. T, Yang P

IEEE Transactions on Aerospace and Electronic Systems (2024)

DOI

journal

GNSS direct position estimation-inspired positioning with pseudorange correlogram for urban navigation

Vicenzo S, Xu B, Xu H, Hsu L. T

GPS Solutions (2024)

DOI

journal

GNSS Doppler Velocity Estimation Aided by 3D Mapping Database

Zhang L, Ng H. F, Zhong Y, Zhang G, Hsu L. T

IEEE Transactions on Intelligent Transportation Systems (2024)

DOI

conference

GNSS Measurement Performance in Vegetation Environments: Assessment and Analysis in Signal Processing Level

Di Hai, Chin Lok Tsang, Guohao Zhang, Li-Ta Hsu

ION GNSS+, The International Technical Meeting of the Satellite Division of The Institute of Navigation (2024)

DOI

journal

GNSS-based Environment Retrieval: A Deep Learning Approach for Fine-grained Environment Perception

Zhang Z, Xu P, Zhang G, Hsu L. T

IEEE Transactions on Intelligent Vehicles (2024)

DOI

journal

GNSS/Visual/IMU/Map Integration Via Sliding Window Factor Graph Optimization for Vehicular Positioning in Urban Areas

Bai X, Hsu L. T

IEEE Transactions on Intelligent Vehicles (2024)

DOI

conference

Improving GNSS Positioning in Challenging Urban Areas by Digital Twin Database Correction

Jiarong Lian, Jiayi Zhou, Yiran Luo, Guohao Zhang, Li-Ta Hsu

2024 14th International Conference on Indoor Positioning and Indoor Navigation (IPIN) (2024)

DOI

patent

Indoor Fire Monitoring Based on Look-Up-From-Floor Sensing of Ceiling

Wang Q, Huang X, Shaheer M, Mohammad T, Zhang X, Luo M, Hsu L. T, Wu X, Xiao F, Usmani A

Patent (2024)

journal

Integrity-Constrained Factor Graph Optimization for GNSS Positioning in Urban Canyons

Xia X, Wen W, Hsu L. T

NAVIGATION: Journal of the Institute of Navigation (2024)

DOI

conference

Invariant Extended Kalman Filtering for Pedestrian Deep-Inertial Odometry

Shiyu Bai, Weisong Wen, Yue Yu, Li-Ta Hsu

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences (2024)

DOI

conference

Machine Learning Assisted GNSS Direct Position Estimation for Urban Environments Applications

Sergio Vicenzo, Xin Qi, Bing Xu, Li-Ta Hsu

The International Technical Meeting of the The Institute of Navigation (2024)

DOI

journal

Machine Learning in GNSS Multipath/NLOS Mitigation: Review and Benchmark

Xu P, Zhang G, Yang B, Hsu L. T

IEEE Aerospace and Electronic Systems Magazine (2024)

DOI

conference

Modeling and Validation of GNSS Multipath-Induced Doppler Tracking Error

Jingxiaotao Fang, Liyuan Zhang, Guohao Zhang, Bing Xu, Li-Ta Hsu

The International Technical Meeting of the The Institute of Navigation (2024)

DOI

journal

Principal Gaussian Overbound for Heavy-tailed Error Bounding

Yan P, Zhong Y, Hsu L. T

IEEE Transactions on Aerospace and Electronic Systems (2024)

DOI

journal

Random forest-based multipath parameter estimation

Qi X, Xu B, Wang Z, Hsu L. T

GPS Solutions (2024)

DOI

journal

Ray-Tracing Correction for GNSS Velocity Estimation Using Doppler Frequency: A Feasibility Analysis

Zhang L, Ng H. F, Zhang G, Hsu L. T

IEEE Transactions on Instrumentation and Measurement (2024)

DOI

journal

Safety-Quantifiable Planar-Feature-based LiDAR Localization with a Prior Map for Intelligent Vehicles in Urban Scenarios

Zhang J, Liu X, Wen W, Hsu L. T

IEEE Transactions on Intelligent Vehicles (2024)

DOI

journal

Subspace-based Adaptive GMM Error Modeling for Fault-Aware Pseudorange-based Positioning in Urban Canyons

Yan P, Xia X, Brizzi M, Wen W, Hsu L. T

IEEE Transactions on Intelligent Vehicles (2024)

DOI

journal

Tightly-coupled visual/inertial/map integration with observability analysis for reliable localization of intelligent vehicles

Zheng X, Wen W, Hsu L. T

IEEE Transactions on Intelligent Vehicles (2024)

DOI

journal

Towards high‐definition vector map construction based on multi‐sensor integration for intelligent vehicles: Systems and error quantification

Hu R, Bai S, Wen W, Xia X, Hsu L. T

IET Intelligent Transport Systems (2024)

DOI

journal

Towards Persistent Spatial Awareness: A Review of Pedestrian Dead Reckoning-Centric Indoor Positioning with Smartphones

Bai S, Wen W, Li Y, Shi C, Hsu L. T

IEEE Transactions on Instrumentation and Measurement (2024)

DOI

journal

Trajectory Smoothing Using GNSS/PDR Integration Via Factor Graph Optimization in Urban Canyons

Zhong Y, Wen W, Hsu L. T

IEEE Internet of Things Journal (2024)

DOI

patent

U.S. Patent No. 12,123,961

Hsu L. T, Wen W

Patent (2024)

journal

Urban Building Updates Monitoring Based on Sky Visibility Estimation From Satellite Signals

Xu H, Zhang G, Hsu L. T

IEEE Internet of Things Journal (2024)

DOI

2023 (24)

patent

3d vision aided gnss real-time kinematic positioning for autonomous systems in urban canyons

Hsu L. T, Wen W

Patent (2023)

journal

3D Vision Aided GNSS Real-Time Kinematic Positioning for Autonomous Systems in Urban Canyons

Wen W, Bai X, Hsu L. T

NAVIGATION: Journal of the Institute of Navigation (2023)

DOI

journal

A Baseband MLE for Snapshot GNSS Receiver Using Super-Long-Coherent Correlation in a Fractional Fourier Domain

Luo Y, Hsu L. T, El-Sheimy N

NAVIGATION: Journal of the Institute of Navigation (2023)

DOI

journal

A post-correlation graphical way for continuous GNSS spoofing detection

Fang J, Yue J, Xu B, Hsu L. T

Measurement (2023)

DOI

journal

An Anti-spoofing Model based on MVM and MCCM for a Loosely-coupled GNSS/INS/LiDAR Kalman Filter

Chang J, Zhang Y, Fan S, Huang F, Xu D, Hsu L. T

IEEE Transactions on Intelligent Vehicles (2023)

DOI

journal

An Improved Inertial Preintegration Model in Factor Graph Optimization for High Accuracy Positioning of Intelligent Vehicles

Zhang L, Wen W, Hsu L. T, Zhang T

IEEE Transactions on Intelligent Vehicles (2023)

DOI

journal

An Unassisted Super-Resolution Satellite Navigation Receiver Using GPS L5 Signals

Luo Y, Hsu L. T, Tsang C. L, El-Sheimy N

IEEE Transactions on Aerospace and Electronic Systems (2023)

DOI

journal

C/N0 Assessment Based on GPS L5/L1C/A Signal Acquisition in Open-Sky/Light-Urban/Dense-Urban/Indoor Environments with Extended Coherent Integration Time

Tsang C. L, Luo Y, Xu B, Hsu L. T

Journal of Aeronautics, Astronautics and Aviation (2023)

journal

Cyclist Orientation Estimation Using LiDAR Data

Chang H, Gu Y, Goncharenko I, Hsu L. T, Premachandra C

Sensors (2023)

DOI

journal

Dynamic Object-aware LiDAR Odometry Aided by Joint Weightings Estimation in Urban Areas

Huang F, Wen W, Zhang J, Wang C, Hsu L. T

IEEE Transactions on Intelligent Vehicles (2023)

DOI

journal

ECMD: An Event-Centric Multisensory Driving Dataset for SLAM

Chen P, Guan W, Huang F, Zhong Y, Wen W, Hsu L. T, Lu P

IEEE Transactions on Intelligent Vehicles (2023)

DOI

journal Featured

GLIO: Tightly-coupled gnss/lidar/imu integration for continuous and drift-free state estimation of intelligent vehicles in urban areas

Liu X, Wen W, Hsu L. T

IEEE Transactions on Intelligent Vehicles (2023)

DOI

journal

High-Accuracy Absolute-Position-Aided Code Phase Tracking Based on RTK/INS Deep Integration in Challenging Static Scenarios

Luo Y, Hsu L. T, Jiang Y, Liu B, Zhang Z, Xiang Y, El-Sheimy N

Remote Sensing (2023)

DOI

journal Featured

Hong Kong UrbanNav: An open-source multisensory dataset for benchmarking urban navigation algorithms

Hsu L. T, Huang F, Ng H. F, Zhang G, Zhong Y, Bai X, Wen W

NAVIGATION: Journal of the Institute of Navigation (2023)

DOI

journal

Integration of Vehicle Dynamic Model and System Identification Model for Extending the Navigation Service Under Sensor Failures

Yan P, Wen W, Hsu L. T

IEEE Transactions on Intelligent Vehicles (2023)

DOI

journal

Intelligent Environment-Adaptive GNSS/INS Integrated Positioning with Factor Graph Optimization

Li Z, Lee P. H, Hung T. H. M, Zhang G, Hsu L. T

Remote Sensing (2023)

DOI

journal

LiDAR-based NDT Matching Performance Evaluation for Positioning in Adverse Weather Conditions

Chang J, Hu R, Huang F, Xu D, Hsu L. T

IEEE Sensors Journal (2023)

DOI

journal

Low‐cost solid‐state LiDAR/inertial‐based localization with prior map for autonomous systems in urban scenarios

Zhong Y, Huang F, Zhang J, Wen W, Hsu L. T

IET Intelligent Transport Systems (2023)

DOI

journal

Multi-Epoch Kriging-Based 3D Mapping-Aided GNSS and Doppler Measurement Fusion using Factor Graph Optimization

Ng H. F, Hsu L. T, Zhang G

NAVIGATION: Journal of the Institute of Navigation (2023)

DOI

journal

Performance Evaluation of Vectorized NavIC Receiver Using Improved Dual-Frequency NavIC Measurements

Dey A, Iyer K, Xu B, Sharma N, Hsu L. T

IEEE Transactions on Instrumentation and Measurement (2023)

DOI

journal Featured

PositionNet: CNN-based GNSS positioning in urban areas with residual maps

Xu P, Zhang G, Yang B, Hsu L. T

Applied Soft Computing (2023)

DOI

journal

Resilient GNSS real-time kinematic precise positioning with inequality and equality constraints

Zhang Z, Li Y, He X, Hsu L. T

GPS Solutions (2023)

DOI

journal

Selection of Areas for Effective GNSS Spoofing Attacks to a Vehicle-mounted MSF System based on Scenario Classification Models

Chang J, Huang F, Zhang L, Xu D, Hsu L. T

IEEE Transactions on Vehicular Technology (2023)

DOI

journal

Wind dynamic and energy-efficiency path planning for unmanned aerial vehicles in the lower-level airspace and urban air mobility context

Chan Y. Y, Ng K. K, Lee C. K. M, Hsu L. T, Keung K. L

Sustainable Energy Technologies and Assessments (2023)

DOI

2022 (12)

patent

3d lidar aided global navigation satellite system and the method for non-line-of-sight detection and correction

Hsu L. T, Wen W

Patent (2022)

journal

3D LiDAR Aided GNSS NLOS Mitigation in Urban Canyons

Wen W. and Hsu L. -T

IEEE Transactions on Intelligent Transportation Systems (2022)

DOI

journal

A Novel INS/USBL Integrated Navigation Scheme Via Factor Graph Optimization

Zhang L, Hsu L. T. and Zhang T

IEEE Transactions on Vehicular Technology (2022)

DOI

journal

AGPC-SLAM: Absolute Ground Plane Constrained 3D LiDAR SLAM

Wen W, Hsu L. T

Navigation, Journal of Institute of Navigation (2022)

DOI

journal

An Instrumental Measure of Hand and Facial Movement Abnormalities in Patients with Schizophrenia

Wang S.M, Ouyang W.C, Hsu H.M, Hsu L. T

Frontiers in Psychiatry, section Schizophrenia (2022)

DOI

journal

Carrier-Aided Dual Frequency Vectorized Tracking Architecture for NavIC Signals

Dey A, Iyer K, Xu B, Sharma N, Hsu L. T

IEEE Transactions on Instrumentation and Measurement (2022)

DOI

journal

Data Denoising Based on Hadamard Matrix Transformation and Rayleigh Quotient Maximization: Application to GNSS Signal Classification

Yue J, Xu B. and Hsu, L. T

IEEE Transactions on Instrumentation and Measurement (2022)

DOI

journal

GNSS Outlier Mitigation via Graduated Non-Convexity Factor Graph Optimization

Wen W, Zhang G, Hsu L. T

IEEE Transactions on Vehicular Technology (2022)

DOI

journal

GNSS-RTK Adaptively Integrated with LiDAR/IMU Odometry for Continuously Global Positioning in Urban Canyons

Zhang J, Wen W, Huang F, Wang Y, Chen X, Hsu L. T

Applied Sciences (2022)

DOI

journal

Resilient Interactive Sensor-Independent-Update Fusion Navigation Method

Meng Q. and Hsu L. T

IEEE Transactions on Intelligent Transportation Systems (2022)

DOI

journal

Scalar and vector tracking loop simulation based on a uniform semi-analytic model and robustness analysis in multipath/NLOS situations. GPS Solutions 26(97)

Jia Q, Hsu L. T, Wu R

(2022)

DOI

journal

Bai X, Wen W, Hsu L. T

IEEE Transactions on Aerospace and Electronic Systems (2022)

DOI

2021 (18)

journal Featured

3D Mapping Database Aided GNSS RTK and Its Assessments in Urban Canyons

Ng H.F, Hsu L.T

IEEE Transactions on Aerospace and Electronic Systems (2021)

DOI

journal

3D Point Clouds Data Super Resolution Aided LiDAR Odometry for Vehicular Positioning in Urban Canyons

Yue J, Wen W, Han J, Hsu L. T

IEEE Transactions on Vehicular Technology (2021)

DOI

journal

A Probabilistic Approach to Detect and Mitigate GNSS NLOS Using State Augmented Kalman Filter

Jiang C, Xu B, Hsu L. T

GPS Solutions (2021)

DOI

journal

Coarse-to-Fine Loosely-Coupled LiDAR-Inertial Odometry for Urban Positioning and Mapping

Zhang J, Wen W, Huang F, Hsu L. T

Remote Sensing (2021)

DOI

journal

Cooperative surveillance systems and digital-technology enabler for a real-time standard terminal arrival schedule displacement

Xue D, Hsu L. T, Wu C-.L, Lee C-.H, Ng K. K. H

Advanced Engineering Informatics (2021)

DOI

journal

Degeneration-aware Outlier Mitigation for Visual Inertial Integrated Navigation System in Urban Canyons

Bai X, Wen W, Hsu L. T

IEEE Transactions on Instrumentation and Measurement (2021)

DOI

journal Featured

Factor Graph Optimization for GNSS/INS Integration: A Comparison with the Extended Kalman Filter

Wen W, Pfeifer T, Bai X, Hsu L. T

Navigation, Journal of Institute of Navigation (2021)

DOI

journal

GNSS RUMS: GNSS Realistic Urban Multi-agent Simulator for Collaborative Positioning Research

Zhang G, Xu B, Ng H.F, Hsu L. T

Remote Sensing (2021)

DOI

journal

Integration of GNSS and BLE Technology With Inertial Sensors for Real-Time Positioning in Urban Environments

Luo H, Li Y, Wang J, Weng D, Ye J, Hsu L. T, Chen W

IEEE Access (2021)

DOI

journal

Localization Uncertainty Constrained Lateral PID Control with Aids of Fuzzy Logic Considering LiDAR NDT Matching Error

Hu S, Kan Y.C, Hsu L.T

Journal of Aeronautics, Astronautics and Aviation, Series A (2021)

patent

Multi-feature visual positioning method

Lee J, Hsu L. T

Patent (2021)

journal

Performance Assessment of the GNSS Diffraction Models in Urban Areas

Zhang G, Hsu L. T

Navigation, Journal of Institute of Navigation (2021)

DOI

journal

Performance Evaluation on Map-based NDT Scan Matching Localization using Simulated Occlusion Datasets

Kan Y.C, Hsu L. T, Chung E

IEEE Sensors Letter (2021)

DOI

journal

Prediction on the Urban GNSS Measurement Uncertainty based on Deep Learning Networks with Long Short-Term Memory

Zhang G, Xu P, Xu H, Hsu L. T

IEEE Sensors Journal (2021)

DOI

journal Featured

Robust GNSS Shadow Matching for Smartphones in Urban Canyons

Ng H.F, Zhang G, Hsu L. T

IEEE Sensors Journal (2021)

DOI

journal

Semantic-Based VPS for Smartphone Localization in Challenging Urban Environments

Lee J.L. M, Hsu L. T, Ng H.-F

Sensors (2021)

DOI

journal

Tightly Coupled Integrated Navigation System Via Factor Graph for UAV Indoor Localization

Yang S, Hsu L.T

Aerospace Science and Technology (2021)

DOI

journal

Urban Positioning: 3D Mapping Aided GNSS using Dual-Frequency Pseudorange Measurements from Smartphones

Ng H.F, Zhang G, Hsu L. T

Navigation, Journal of Institute of Navigation (2021)

DOI

2020 (20)

journal

3D Mapping Database Aided GNSS Based Collaborative Positioning Using Factor Graph Optimization

Zhang G, Ng H. F, Hsu L. T

IEEE Transactions on Intelligent Transportation Systems (2020)

DOI

journal

A Computation Effective Range-Based 3D Mapping Aided GNSS with NLOS Correction Method

Ng H. F, Zhang G, Hsu L. T

Journal of Navigation (2020)

DOI

journal

Assessment of beamforming for GNSS multipath mitigation with a cost-effective structure

Jia Q, Hsu L. T, Xu B, Wu R

Journal of Navigation (2020)

journal

Extending Shadow Matching to Tightly-Coupled GNSS/INS Integration System

Zhang G, Wen W. Xu B, Hsu L. T

IEEE Transactions on Vehicular Technology (2020)

DOI

journal

Improved Weighting Scheme using Consumer-level GNSS L5/E5a/B2a Pseudorange Measurements in the Urban Area

Ng H.F, Zhang G, Yang K.Y, Yang S. X. Hsu L. T

Advances in Space Research (2020)

DOI

journal

Improving GPS Code Phase Positioning Accuracy in Urban Environments Using Machine Learning

Sun R, Wang G, Cheng Q, Fu L, Chiang K.W, Hsu L. T. and Ochieng W. Y

IEEE Internet of Things Journal (2020)

DOI

journal

Integrity for Autonomous Vehicles and Towards a Novel Alert Limit Determination Method

Meng Q, Hsu L. T

Proc. IMechE, Part D: Journal of Automobile Engineering (2020)

DOI

journal

Integrity Monitoring for All-Source Navigation Enhanced by Kalman Filter-Based Solution Separation

Meng Q, Hsu L. T

IEEE Sensors Journals (2020)

DOI

journal

Integrity Monitoring of multi-GNSS SPP and DGNSS in Urban Environment using ARAIM and 3D City Models

El-Mowafy A, Xu B, Hsu L. T

Journal of Spatial Science (2020)

journal

Machine Learning based LOS/NLOS Classifier and Robust Estimator for GNSS Shadow Matching

Xu H, Angrisano A, Gaglione S, Hsu L. T

Satellite Navigation (2020)

DOI

journal

Multi-Agent Collaborative GNSS/Camera/INS Integration Aided by Inter-ranging for Vehicular Navigation in Urban Areas

Wen W, Bai X, Zhang G, Chen S, Yuan F, Hsu L. T

IEEE Access (2020)

DOI

journal

Multi-Objective Flight Altitude Decision Considering Contrails, Fuel Consumption and Flight Time

Xue D, Ng K. H, Hsu L. T

Sustainability (2020)

DOI

journal

Object Detection Aided GNSS and Its Integration with LiDAR in Highly Urbanized Areas

Wen W, Zhang G, Hsu L. T

IEEE Intelligent Transportation Systems Magazine (2020)

DOI

journal

Robust Visual-Inertial Integrated Navigation System Aided by Online Sensor Model Adaption for Autonomous Ground Vehicles in Urban Areas

Bai X, Wen W, Hsu L. T

Remote Sensing (2020)

DOI

journal

Sky Visibility Estimation based on GNSS Satellite Visibility: An Approach of GNSS based Context-Awareness

Xu H, Hsu L. T, Lu D, Cai B

GPS Solutions (2020)

DOI

journal

Skymask Matching Aided Positioning Using Sky-Pointing Fisheye Camera and 3D City Models in Urban Canyons

Lee M.J.L, Lee S, Ng H. F, Hsu L T

Sensors (2020)

DOI

journal

The Design a TDCP-Smoothed GNSS/Odometer Integration Scheme with Vehicular-Motion Constraint and Robust Regression

Chiang K. W, Li Y. H, Hsu L. T, Chu F. Y

Remote Sensing (2020)

DOI

journal

Using Dual-Polarization GPS Antenna with Optimized Adaptive Neuro-Fuzzy Inference System to Improve Single Point Positioning Accuracy in Urban Canyons

Sun R, Fu L, Wang G, Cheng Q, Hsu L. T. and Ochieng W. Y

Navigation, Journal of Institute of Navigation (2020)

DOI

journal

Using Sky-Pointing Fish-eye Camera and LiDAR to Aid GNSS Single Point Positioning in Urban Canyons

Bai X, Wen W, Hsu L. T

IET Intelligent Transport Systems (2020)

DOI

magazine

What are the roles of artificial intelligence and machine learning in GNSS positioning

Hsu L. T

Inside GNSS (2020)

2019 (16)

journal

A GPS Spoofing Generator using an Open Sourced Vector Tracking-Based Receiver

Meng Q, Hsu L. T, Xu B, Luo X, El-Mowafy A

Sensors (2019)

DOI

journal

A Gradient Boosting Decision Tree Based GPS Signal Reception Classification Algorithm

Sun R, Wang G, Zhang W, Hsu L. T. and Ochieng W. Y

Applied Soft Computing Journal (2019)

DOI

journal

An Open Source Matlab Code on GPS Vector Tracking based on Software-Defined Receiver

Xu B, Hsu L. T

GPS Solutions (2019)

DOI

journal

Correcting NLOS by 3D LiDAR and building height to improve GNSS single point positioning

Wen W, Zhang G, Hsu L. T

Navigation, Journal of Institute of Navigation (2019)

DOI

journal

GNSS NLOS Exclusion Based on Dynamic Object Detection Using LiDAR Point Cloud

Wen W, Zhang G, Hsu L. T

IEEE Transactions on Intelligent Transportation Systems (2019)

DOI

journal

GPS Signal Reception Classification Using Adaptive Neuro-Fuzzy Inference System

Sun R, Hsu L. T, Xue D, Zhang G, Washington Y.O

Journal of Navigation (2019)

DOI

book

Hsu L. T.

Hsu L. T, Wen W. and Zhang G, “Chapter 2 - Vehicular Positioning System” of the book “[Vehicular Networks: Applications

Nova Science Publishers Inc (2019)

journal

Intelligent GPS L1 LOS/Multipath/NLOS Classifiers Based on Correlator-, RINEX-and NMEA-Level Measurements

Xu B, Jia Q, Luo Y, Hsu L. T

Remote Sensing (2019)

DOI

patent

It is a kind of based on the co-located method and system of three-dimensional map assisted GNSS, positioning device, storage medium

Zhang G, Hsu L. T

Patent (2019)

journal

Optimal Takeoff Time Assignment under Severe Weather

Xue D, Sun R, Hsu, L. T

Journal of Aeronautics, Astronautics and Aviation, Series A (2019)

magazine

Perceived Environment Aided GNSS Single Point Positioning: An Example using LiDAR Scanner

Wen W, Hsu L. T

Inside GNSS (2019)

journal

Rectification of GNSS based Collaborative Positioning using 3D Building Models in Urban Areas

Zhang G, Wen W, Hsu L. T

GPS Solutions (2019)

DOI

journal

Research on Time-Correlated Errors Using Allan Variance in a Kalman Filter Applicable to Vector-Tracking-Based GNSS Software-Defined Receiver for Autonomous Ground Vehicle Navigation

Luo Y, Li J, Yu C, Xu B, Li Y, Hsu L. T, El-Sheimy N

Remote Sensing (2019)

DOI

journal

Tightly Coupled GNSS/INS Integration Via Factor Graph and Aided by Fish-eye Camera

Wen W, Bai X, Kan Y.C, Hsu L. T

IEEE Transactions on Vehicular Technology (2019)

DOI

journal

Uncertainty Estimation of LiDAR Matching Aided by Dynamic Vehicle Detection and High Definition Map

Wen W, Bai X, Zhan W, Tomizuka M, Hsu L. T

IET Electronics Letters (2019)

DOI

journal

Vector Tracking Loop-based GNSS NLOS Detection and Correction: Algorithm Design and Performance Analysis

Xu B, Jia Q. and Hsu L. T

IEEE Transactions on Instrumentation and Measurement (2019)

DOI

2018 (7)

journal

A New Path Planning Algorithm Using GNSS Localization Error Map for UAV in Urban Area

Zhang G, Hsu L.T

Journal of Intelligent & Robotic Systems (2018)

DOI

journal

Analysis and Modelling GPS NLOS effect in Highly Urbanized Area

Hsu L. T

GPS Solutions (2018)

DOI

journal

GNSS Correction using Altitude Map and Its Integration with Pedestrian Dead Reckoning

Huang Y, Gu Y, Hsu L. T

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Science (2018)

DOI

journal

Intelligent GNSS/INS Integrated Navigation System for a Commercial UAV Flight Control System

Zhang G, Hsu L. T

Aerospace Science and Technology (2018)

DOI

journal

Performance analysis of NDT-based graph slam for autonomous vehicle in diverse typical driving scenarios of Hong Kong

Wen W, Hsu L. T, Zhang G

Sensors (2018)

DOI

patent

Positioning method and electronic equipment

Wang Y, Hsu L. T

Patent (2018)

journal

Towards lane-level traffic monitoring in urban environment using precise probe vehicle data derived from three-dimensional map aided differential GNSS

Gu Y, Hsu L.T, Kamijo S

IATSS Research (2018)

DOI

2017 (3)

journal

Intelligent Viaduct Recognition and Driving Altitude Determination using GPS Data

Hsu L.T, Gu Y, Kamijo S

IEEE Transactions on Intelligent Vehicles (2017)

DOI

journal

Multipath Mitigation Technique under Strong Multipath Environment Using Multiple Antennas

Kubo N, Kobayashi. K, Hsu L.T, Amai O

Journal of Aeronautics, Astronautics and Aviation, Series A (2017)

journal

Multiple Faulty GNSS Measurement Exclusion based on Consistency Check in Urban Canyons

Hsu L. T, Tokura H, Kubo N, Gu Y, Kamijo S

IEEE Sensors Journals (2017)

DOI

2016 (9)

journal

3D Building Model Pedestrian Positioning Method using GPS/GLONASS/QZSS and Its Reliability Calculation

Hsu L. T, Gu Y, Kamijo S

GPS Solutions (2016)

DOI

journal

A probabilistic model of pedestrian crossing behavior at signalized intersections for connected vehicles

Hashimoto Y, Gu Y, Hsu L. T, Iryo-Asano M, Kamijo S

Transportation Research Part C-Emerging Technologies (2016)

DOI

journal

Accurate Estimation of Pedestrian Orientation from On-board Camera and Inertial Sensors

Gu Y, Hsu L. T, Kamijo S

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (2016)

DOI

journal

Database Calibration for Outdoor Wi-Fi Positioning System

Huang Y, Hsu L.T, Gu Y, Wang H, Kamijo S

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (2016)

DOI

journal

GNSS/On-Board Inertial Sensor Integration with the Aid of 3D Building Map for Lane-Level Vehicle Self-Localization in Urban Canyon

Gu Y, Hsu L. T, Kamijo S

IEEE Transactions on Vehicular Technology (2016)

DOI

journal

Human-like motion planning model for driving in signalized intersections,”

Gu Y, Hashimoto Y, Hsu L. T, Iryo-Asano M, Kamijo S

IATSS Research (2016)

DOI

journal

Integrating Global Navigation Satellite System and Road-Marking Detection for Vehicle Localization in Urban Traffic

Gu Y, Hsu L. T, Bao J, Kamijo S

Transportation Research Record Journal (2016)

DOI

journal

Optimization of 3D Building Models by GPS Measurements

Wada Y, Hsu L. T, Gu Y, Kamijo S

GPS Solutions (2016)

DOI

journal

Urban Pedestrian Navigation using Smartphone-based Dead Reckoning and 3D Maps Aided GNSS

Hsu L. T, Gu Y, Huang Y, Kamijo S

IEEE Sensors Journal (2016)

DOI

2015 (6)

magazine

Autonomous Vehicle Technologies: Localization and Mapping

Kamijo S, Gu Y, Hsu L. T

IEICE Fundamentals Review (2015)

DOI

journal

Evaluation of Multi-GNSSs and GPS with 3D Map Methods for Pedestrian Positioning in an Urban Canyon Environment

Hsu L. T, Chen F, Kamijo S

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (2015)

DOI

journal

GPS Error Correction with Pseudorange Evaluation Using 3-dimensional Maps

Miura S, Hsu L. T, Chen F, Kamijo S

IEEE Transactions on Intelligent Transportation Systems (2015)

DOI

journal

NLOS Correction/Exclusion for GNSS Measurement using RAIM and City Building Models

Hsu L. T, Gu Y, Kamijo S

Sensors (2015)

DOI

journal

Passive Sensor Integration for Vehicle Self-Localization in Urban Traffic Environment

Gu Y, Hsu L. T, Kamijo S

Sensors (2015)

DOI

magazine

Street Smart: 3-D City Mapping and Modeling for Positioning with Multi-GNSS

Hsu L. T, Miura S, Kamijo S

GPS World (2015)

2014 (1)

journal

Multipath mitigation and NLOS detection using vector tracking in urban”

Hsu L. T, Jan S. S, Groves P. D, Kubo N

GPS Solutions (2014)

DOI

2013 (1)

journal

Performance Analysis of Advanced GPS Receiver Technique in Radio Frequency Difficult Environment

Hsu L. T, Jan S. S

Journal of Aeronautics, Astronautics and Aviation (2013)

2011 (2)

magazine

Magazine Article

Coordinates Magazine (2011)

magazine

Real Time Indoor Location Based Service Test Bed (II)

Hsu L. T, Tsai W. M, Jan S. S

Coordinates Magazine (2011)

2010 (3)

journal

Assessment of Composite PRN Code Acquisition Methods for GPS Signal

Jan S. S, Hsu L. T

Journal of the Chinese Society of Mechanical Engineers (2010)

journal

Development of an Indoor Location Based Service Test Bed and Geographic Information System with a WSN

Jan S. S, Hsu L. T, Tsai W. M

Sensors (2010)

DOI

journal

Wide Area Differential GNSS in Taiwan: Development and Validation Testing

Tao A. L, Hsu L. T, Jan S. S

Journal of Aeronautics, Astronautics and Aviation, Series A (2010)

2009 (1)

journal

Development of Indoor Positioning and Location Based Information Test Bed

Hsu L. T, Tsai W. M, Jan S. S

Journal of Aeronautics, Astronautics and Aviation (2009)