1. State Key Lab of Internet of Things for Smart City, China
2. State Key Laboratory of Internet of Things for Smart City and the Department of Computer and Information Science, University of Macau, Macau, China
3. College of Information Engineering, Zhejiang University of Technology, Hangzhou, China
4. School of Information Technology, Carleton University, Canada
5. School of Cyber Science and Engineering, Xi’an Jiaotong University, Xi’an, China