1. School of Internet-of-Things, Nanjing University of Posts and Telecommunications, Nanjing, China
2. College of Automation, Nanjing University of Aeronautics and Astronautics, Nanjing, Jiangsu, China
3. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, China
4. Navigation and Control Technology Research Institute, China North Industries Group Corporation, Beijing, China
5. Shanghai Huace Navigation Technology Ltd., Shanghai, China