1. School of Electronics, State Key Laboratory of Advanced Optical Communication Systems and Networks, Peking University, Beijing, P. R. China
2. Samsung Semiconductor, Samsung SoC Research and Development Lab, San Diego, CA, USA
3. Joint SDU-NTU Centre for Artificial Intelligence Research (C-FAIR), Shandong University, Jinan, P. R. China
4. Intelligent Transportation Thrust, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, P. R. China
5. Internet of Things Thrust and Intelligent Transportation Thrust, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, P. R. China