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