1. School of Electronic and Information Engineering, Beihang University, Beijing, China
2. School of Cyber Science and Technology, Beihang University, Beijing, China
3. FAW-Volkswagen, Changchun, Jilin, China
4. Beijing Institute of Control and Electronics Technology, Beijing, China
5. Zhejiang Scientific Research Institute of Transport, Hangzhou, China
6. Aviation Data Communication Corporation, Beijing, China