1. School of Electronics and Information Engineering, South China Normal University, Foshan, China
2. State Key Laboratory of Internet of Things for Smart City and the Department of Electrical and Computer Engineering, University of Macau, Taipa, Macao S.A.R., China
3. School of Communication and Electronic Engineering, East China Normal University, Shanghai, China
4. School of Intelligent Systems Science and Engineering and the Institute of Physical Internet, Jinan University, Zhuhai, China