1. School of Microelectronics, Southern University of Science and Technology (SUSTech), Shenzhen 518000, China
2. Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology (HKUST), Kowloon, Hong Kong
3. Department of Electronic and Information Engineering, The Hong Kong Polytechnic University (PolyU), Kowloon, Hong Kong
4. Department of Electrical and Computer Engineering, National University of Singapore (NUS), 119077 Singapore
5. Shenzhen Smartchip Microelectronics Technology Co. Ltd., Shenzhen 518000, China
6. Engineering Research Center of Integrated Circuits for Next-Generation Communications, Ministry of Education, Shenzhen 518000, China
7. The Key Laboratory of the Third Generation Semi-conductor, Southern University of Science and Technology, Shenzhen 518000, China