1. College of Control Science and Engineering, Bohai University, Jinzhou, China
2. School of Information Science and Engineering, Shandong Normal University, Jinan, China
3. College of Information Science and Technology, Bohai University, Jinzhou, China
4. Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, China
5. Department of Information Technology, Fac-ulty of Computing and Information Technology, Communication Systems and Networks Research Group, King Abdulaziz University, Jeddah, Saudi Arabia