Dr. Xiao Xia completes his PhD at IPNL
Xiao Xia has completed his PhD in the Intelligent Positioning and Navigation Lab, with a thesis on integrity-constrained robust estimation for GNSS positioning in urban scenarios.
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Latest updates from the lab and its collaborators.
Dr. Haosheng Xu completes his PhD at IPNL
Haosheng Xu has completed his PhD in the Intelligent Positioning and Navigation Lab, with a thesis on sky-visibility estimation from satellite signals for building-update detection.
IPNL co-organizes successful 1st ICRA 2026 Workshop on Robot Meets GNSS and Ranging
The 1st Workshop on Robot Meets GNSS and Ranging for Seamless Autonomy — co-organized by Prof. Li-Ta Hsu — was held at IEEE ICRA 2026 in Vienna on 5 June 2026. The full-day workshop brought together the satellite-navigation and robotics communities for keynote talks, 19 paper presentations, a poster session, and an industry session, and closed as a clear success with a second edition already in view.
Invited talk at CAS Wuhan PNT forum: 'Estimation in GNSS/INS integrated navigation: from EKF, FGO to SDP'
Prof. Li-Ta Hsu gave the opening technical talk at the 'Intelligent Fusion Positioning and Resilient PNT' Academic Forum at the CAS Innovation Academy of Precision Measurement Science and Technology in Wuhan on 24 April 2026. PolyU's IPNL fielded four speakers across the day: Prof. Hsu, Penggao Yan, Shiyu Bai, and Penghui Xu.
IPNL at ION Pacific PNT 2026 (Honolulu, April 2026)
PolyU IPNL took part in the 2026 ION Pacific PNT meeting in Honolulu, Hawaii. Prof. Li-Ta Hsu served as a session chair and speaker, and IPNL members presented their work, continuing the lab's multi-year engagement with the Institute of Navigation's Pacific PNT conference series.
Stairio receives Gold Medal with Congratulations of the Jury at 51st Geneva Inventions Exhibition
Stairio — an autonomous staircase safety monitoring robot led by Prof. Li-Ta Hsu — received the Gold Medal with Congratulations of the Jury at the 51st International Exhibition of Inventions Geneva.
IEEE ITSC 2025 workshop talk: 'When IV Meets Urban — IE Research' (November 2025)
Prof. Li-Ta Hsu gave an invited workshop talk at IEEE ITSC 2025 — When Intelligent Vehicles Meets Urban: Integrity-Estimation Research — building on the lab's integrity-constrained factor graph optimization research line.
UrbanNav paper receives ION Most Cited Paper Award
The Hong Kong UrbanNav dataset paper received the Most Cited Paper Award from the journal NAVIGATION.
Honor–PolyU joint workshop (September 2025)
PolyU IPNL hosted a joint research workshop with Honor (one of the major Chinese smartphone manufacturers) at PolyU on 29 September 2025, presenting the lab's GNSS, navigation, and AI research portfolio.
ION GNSS+ 2025 Salt Lake City + California (Google visit, Robotics Panel) — September 2025
Prof. Li-Ta Hsu attended ION GNSS+ 2025 in Salt Lake City, contributed to a Satellite Navigation for Robotics panel discussion, then continued to California for a follow-up Google Research project meeting and a Physical AI / Robotics meetup.
PolyU IPNL in Singapore: NTU seminar + ICASSE 2025 (July 2025)
Over 29–30 July 2025 in Singapore, Prof. Li-Ta Hsu gave an invited NTU seminar on super-resolution GPS receivers and joined the editors' dialogue at ICASSE 2025, where PhD student Penghui Xu also presented on AI-driven satellite navigation.
Invited industry talk at Airoha Technology Taiwan: Indoor Positioning and Long-Coherent GNSS (July 2025)
Prof. Li-Ta Hsu gave an invited industry talk at Airoha Technology Corporation in Taiwan on indoor positioning and long-coherent-integration GNSS receiver design — continuing the lab's multi-year engagement with Airoha that includes 2022 and 2021 invited talks.
Invited talk at HK Motor Transport and Driving Industry Workers General Union (July 2025)
Prof. Li-Ta Hsu was invited to speak at the Hong Kong Motor Transport and Driving Industry Workers General Union forum 'The Intelligent Driving Wave: Transforming Transportation' — bridging academic positioning research with the HK transport workforce. Forum covered by Wen Wei Po.
Invited talk at Shanghai Jiao Tong University: 3DMA Development and Future (June 2025)
Prof. Li-Ta Hsu gave a workshop talk at Shanghai Jiao Tong University on 28 June 2025 — 3DMA Development and Future — on the past, present and trajectory of 3D-Map-Aided (3DMA) GNSS positioning in urban environments.
Prof. Hsu on GNSS, RTK, and the future of decentralized navigation
Lucy Icking of onocoy visited Prof. Li-Ta Hsu at PolyU to explore the future of GNSS correction and decentralized navigation infrastructure — covering why GNSS is critical infrastructure, the challenges of precision positioning, and how decentralized correction networks could unlock global use cases.