1. Department of Information and Communication, School of Informatics, Xiamen UniversityXiamen316005People's Republic of China
2. Electrical Engineering Department, Faculty of Engineering, Aswan UniversityAswan81542Egypt
3. School of Electronic Science and Engineering, Xiamen UniversityXiamen361005People's Republic of China
4. Department of Information and Communication Engineering, School of Electrical and Electronic Engineering, Tianjin University of TechnologyTianjin300383People's Republic of China
5. Shanghai Acoustics Laboratory, Institute of Acoustics, Chinese Academy of SciencesShanghai200032People's Republic of China