1. the Key Laboratory of Intelligent Information Processing and System Integration of IoT, School of Automation, Guangdong University of Technology, Guangzhou, China
2. College of Computing and Data Science, Nanyang Technological University, Singapore, Singapore
3. Pillar of Information Systems Technology and Design, Singapore University of Technology and Design, Singapore, Singapore
4. School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, Singapore
5. Department of Electrical and Computer Engineering, University of Houston, Houston, TX, USA