1. College of Communications Engineering, Army Engineering University of PLA, Nanjing 210000, China; Department of Information and Communication, Noncommissioned Officer Academy of PAP, Hangzhou 310000, China
2. College of Communications Engineering, Army Engineering University of PLA, Nanjing 210000, China
3. Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Ministry of Industry and Information Technology, Nanjing 211106, China; College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
4. State Key Laboratory for Novel Software Technology, Nanjing University, Nanjing 210023, China
5. CMC Political and Law Commission, Beijing, 100120, China
6. Xi'an Research Institute of High Technology, Xi'an 710025, China