
News
Dr. Hsu named in Stanford Top 2% Most-Cited Scientists
Dr. Li-Ta Hsu has been listed among the top 2% most-cited scientists worldwide in the Stanford/Elsevier ranking for five consecutive years (2021-2025).
Dr. Hsu re-elected as ION Technical Representative
Dr. Hsu was re-elected as Technical Representative to the ION Council, continuing his leadership role in the navigation community.
Invited talk in Suzhou: Humanoid Robots for Rehabilitation (December 2024)
Prof. Li-Ta Hsu gave an invited talk in Suzhou, China on Humanoid Robots for Rehabilitation in December 2024 — extending the lab's positioning and navigation research into healthcare-robotics applications.
PolyU hosts Prof. Peter Teunissen (November 2024)
PolyU IPNL hosted Prof. Peter Teunissen — a giant in GNSS positioning and geodesy, originator of the LAMBDA method for integer ambiguity resolution — for a research visit and joint navigation-group presentations.
Dr. Hsu serves as General Chair for IPIN 2024
Dr. Hsu served as General Chair for the International Conference on Indoor Positioning and Indoor Navigation (IPIN) 2024 at PolyU.
Invited talk at University of Calgary: Integrity-constrained Graph Optimization (October 2024)
Prof. Li-Ta Hsu gave a 60-minute invited talk at the University of Calgary on Integrity-constrained Graph Optimization, continuing the lab's long-running engagement with the PLAN group's GNSS research community.
UrbanNav paper receives ION Most Cited Paper Award
The Hong Kong UrbanNav dataset paper received the Most Cited Paper Award from the journal NAVIGATION.

PolyU at ION GNSS+ 2024 Baltimore: Tutorial Lecturer + 2023 Most Cited Manuscript Award (FGO vs EKF)
Prof. Li-Ta Hsu served as Pre-Conference Tutorial Lecturer (Indoor Navigation and Positioning, 1.5 hours) at ION GNSS+ 2024 in Baltimore, and received the 2023 Most Cited Manuscript Award from NAVIGATION for the FGO vs EKF paper co-authored with Wen, Pfeifer, and Bai.
Dr. Hsu completes visiting researcher position at Google
Dr. Hsu completed a 20-month visiting researcher position with the Google Android Context team, working on smartphone GNSS positioning.
PolyU at ION Pacific PNT 2024 (Honolulu, April 2024)
PolyU IPNL attended the 2024 ION Pacific PNT meeting in Honolulu, Hawaii, continuing the lab's multi-year engagement with the biennial ION conference series held in the Pacific.
IPNL receives Google Unrestricted Research Grant
IPNL received a Google Unrestricted Research Grant for research on smartphone GNSS positioning.
Stanford PNT Symposium 2023: Dinner talk on Vision-Sensor-Aided GNSS RTK (November 2023)
Prof. Li-Ta Hsu gave a dinner talk at the 2023 Stanford PNT Symposium on Vision-Sensor-Aided GNSS RTK — his second Stanford engagement of the year following the April 2023 Stanford GPS Lab invited seminar.

IEEE ITSC 2023 Workshop on GNSS Urban Positioning
IPNL organized a workshop on intelligent vehicle urban positioning at IEEE ITSC 2023.
Dr. Li-Ta Hsu receives ION Per Enge Early Achievement Award
Dr. Hsu received the Per Enge Early Achievement Award from the Institute of Navigation, recognizing his contributions to GNSS positioning research.
ION GNSS+ 2023 Denver: Session Chair + Track Chair (September 2023)
Prof. Li-Ta Hsu served as Session Chair and Track Chair at ION GNSS+ 2023 in Denver, continuing his recurring service contributions across editions of the conference.
IPNL — Intelligent Positioning and Navigation Laboratory