| Project Reference: | ITP/019/22LP |
| Project Title: | Hong Kong GNSS signal quality monitoring and interference detection system |
| Hosting Institution: | The Hong Kong Polytechnic University (PolyU) |
| Abstract: | The Lands Department is developing the Global Navigation Satellite System (GNSS) infrastructure in Hong Kong to support different positioning, navigation and timing applications. The GNSS infrastructure has now provided the public service of Differential GNSS (DGNSS) and real-time kinematic (RTK) for all constellations, i.e. GPS, GLONASS, Beidou and Galileo. This infrastructure has been widely used by highprecision applications in Hong Kong. However, the current GNSS infrastructure can be affected by the frequent system failures and interferences. They can cause large errors and even complete loss of lock in receivers, affecting various critical applications including civil aviation, communication networks and electric power. It is therefore critical to detect system failures and interferences, and to mitigate their effects on these critical applications. This project aims at studying the key techniques of GNSS signal quality monitoring and interference detection system. The objectives of the project are 1) To monitor GNSS data quality and provide real-time warning when GNSS are malfunctioned; 2) To detect and locate any sources of GNSS signal interference. The system developed in this project would significantly improve the reliability of positioning service for various applications including civil aviation, unmanned aerial vehicle (UAV) and communication networks. |
| Project Coordinator: | Prof Wu Chen |
| Approved Funding Amount: | HK$ 8.19M |
| Project Period: | 30 June 2022 - 30 June 2024 |
