Seamless Urban Navigation System

Global Navigation Satellite System (GNSS) is an important infrastructure in global economic growth. However, due to signal occlusion and multipath effects in dense urban areas, the error of positioning can be as much as several hundred meters, hindering the development of smart cities.

Applying our research outcomes in GNSS, this system can solve urban positioning problem via multiple system integration. It integrates the data from different GNSS (e.g. GPS, Beidou, GLONASS and Galileo) to provide outdoor positioning with high accuracy, and utilizes our positioning algorithms and models can mitigate systematic errors and inter-system differences. With the use of 3D city models, it can correct the measurements of distance and apply to dense urban areas. Besides, it can also work with smartphone built-in sensors (e.g. gyroscope, accelerometer, magnetometer, inertia measurement unit and step counter) to provide accurate indoor positioning.