1. School of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an, People’s Republic of China
2. Key Laboratory of Intelligent Computing and Signal Processing Ministry of Education, Anhui University, Hefei, People’s Republic of China
3. Faculty of Electronic Engineering Technology, University Malaysia Perlis (UniMAP), Arau, Malaysia
4. Department of Electrical and Computer Engineering, Concordia University, Montreal, Canada