1. Institute of Electrical and Electronic Engineering, Hubei University of Technology, Wuhan, China
2. IOT Thrust, HKUST (Guangzhou), Guangzhou, China
3. Institute of Electrical Engineering, Yanshan University, Qinhuangdao, China
4. School of Engineering Science, Simon Fraser University, Burnaby, BC, Canada
5. Department of Automation, Shanghai Jiao Tong University, Shanghai, China