1. School of Automation Science and Electrical Engineering, University of Science and Technology Beijing, Beijing, China
2. School of Artificial Intelligence, Beijing University of Posts and Telecommunications, Beijing, China
3. Department of Energy and Control Engineering, Shanxi Information Industry Technology Research Institute Co. Ltd, Taiyuan, China
4. Beijing Key Laboratory of Mobile Computing and Pervasive Device, Institute of Computing Technology Chinese Academy of Sciences, Beijing, China
5. Keppel Corporation Ltd., Keppel Bay Tower, Singapore
6. IoT Research Center, China Electronics Standardization Institute, Beijing, China