HF Ng, LT Hsu, G Zhang - NAVIGATION: Journal of the Institute of …, 2023 - navi.ion.org
Global navigation satellite system (GNSS) signal reflection over buildings degrades positioning performance in urban canyons. Different three-dimensional (3D) mapping-aided …
Urban localization with the Global Navigation Satellite System (GNSS) remains an unsolved problem with frequent misdetection of which street or which side of the street the user is …
D Neamati, S Gupta, M Partha, G Gao - … Meeting of the Satellite Division of …, 2023 - ion.org
Tall city structures and street-side vegetation block signals from the Global Navigation Satellite Systems (GNSS) and impede localization in urban settings. To improve accuracy …
L Zhang, HF Ng, Y Zhong, G Zhang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The recent surge in the development of autonomous vehicles has increased the need for reliable dynamic positioning of road agents in urban areas. Doppler frequency …
The performance of global satellite navigation system (GNSS) positioning is severely degraded in dense urban areas because of the signal reception induced by obstacles …
HY Ho, HF Ng, YT Leung… - … Archives of the …, 2023 - isprs-archives.copernicus.org
This paper discusses ubiquitous smartphone pedestrian positioning challenges in urban canyons and GNSS-denied areas such as indoor spaces. Existing sensor-based …
L Zhang, HF Ng, G Zhang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Accurate positioning from the global navigation satellite system (GNSS) is critical for various civil applications, such as location-based services (LBSs) and intelligent transportation …
HY Ho, HF Ng, W Wen, Y Gu… - Journal of Data Science …, 2024 - ojs.bonviewpress.com
This paper explores the pervasive challenges of pedestrian positioning using smartphones in densely populated urban environments where Global Navigation Satellite System (GNSS) …
The use of Low Earth Orbit (LEO) mega-constellations for Positioning, Navigation, and Timing (PNT) services has attracted a great deal of interest, as they could complement the …