Education

Sep. 2003 – Dec. 2008, Ph.D. in electronic engineering, Tsinghua University

Sep. 1999 – Jul. 2003, B.E. in electronic information science and technology, Wuhan University

Professional Experience

Jan. 2013 – Present, Associate Professor & Doctoral Supervisor in integrated circuit design, Graduate School at Shenzhen, Tsinghua University

Apr. 2015 – Aug. 2015, Visiting Scholar, University of Lincoln, UK

Jun. 2011 – Aug. 2011, Visiting Scholar, Catholic University of Leuven / IMEC, Belgium

Dec. 2008 – Dec. 2012, Lecturer in integrated circuit design, Graduate School at Shenzhen, Tsinghua University

Current Courses

- Digital Very-Large-Scale-Integrated Circuits

- Digital Integrated System Design

- Low Power Integrated Circuit Design

- Literature retrieval and paper writing

Master’s & Ph.D. Advising

- Integrated circuit design

- Electronic science and technology

- Electronic and communication

- Artificial intelligence

Research Interests

Computer vision (CV), brain-computer interface (BCI), artificial intelligent & internet of things (AIoT) related system architecture, theory, algorithm and application-specific integrated circuit (ASIC) design

Projects

- Research on human-computer interaction for virtual reality / artificial reality, Guangdong science and technology major project, 2017-2020

- Research on low-power multi-mode multi-band terminal chip for IoT, Shenzhen fundamental research project, 2016-2019

- Research on respiratory motion tracking method to assist diagnosis and treatment of thoracic tumors, Shenzhen fundamental research project, 2016-2018

- Research and development of implantable neural stimulator chip, Shenzhen fundamental research project, 2013-2015

- Stimulator chip design for retinal implants, sub-project of 973 plan, 2012-2014

- Research on dual-mode fully implantable cochlear prosthesis, NSFC project, 2011-2013

- Design and research on implantable wireless micro-current stimulator, sub-project of 973 plan, 2009-2011

- Development of integrated circuit chip for one-time-password application, university-enterprise cooperation project, 2009-2010

Research Output

Dr. Mai has proposed several system and single-chip solutions for Medical, Health and IoT applications, accordingly finished the system designs and chip tape-outs, and successfully transformed two research projects, “one-time-password ASIC” and “implantable neural stimulator”, into products.  He has published more than 30 academic papers and 1 translated book, and filed more than 20 patents.

Selected Publications

[1]            Kan Peng, Xian Tang, Songping Mai, Zhihua Wang,“A Simultaneous Power and Downlink Data Transfer System With Pulse Phase Modulation”, IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 66, no. 5, pp. 808-812, 2019.

[2]            Duo Guo, Songping Mai, Chenxi Zhang, Xingyu Fu and Yilin Zhao, “A Low-cost Electrical System with High Compliance of Supply Voltage for Deep Brain Stimulation on Rats”, 2019 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS).

[3]            Xingyu Fu, Songping Mai and Zhihua Wang, “An Energy-Efficient Implantable-Neural-Stimulator System with Wireless Charging and Dynamic Voltage Output”, 2019 International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).

[4]            Xian Tang, Jianxu Zeng, Kong Pang Pun, Songping Mai, Chun Zhang, Zhihua Wang, “Low-cost Maximum Efficiency Tracking Method for Wireless Power Transfer Systems”, IEEE Trans. on Power Electronics, vol. 33, no. 6, pp. 5317-5329, 2018.

[5]            Xingyu Fu, Songping Mai, Zhihua Wang. “A Wireless Power-Efficient Charger Chip with Closed-Loop Controlling Mechanism for Implantable Biomedical System”, 2018 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC).

[6]            Guijie Zhu, Songping Mai, Xian Tang, Zhihua Wang. “Simplified reconfigurable rectifier with consistent input capacitance for wireless power transfer”, 2018 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC).

[7]            Guijie Zhu, Songping Mai, Xian Tang, Chun Zhang , Zhihua Wang, Hong Chen, An Energy-Efficient High-Frequency Neuro-Stimulator with Parallel Pulse Generators, Staggered Output and Extended Average Current Range, 2018 IEEE International Symposium on Circuits and Systems (ISCAS).

[8]            Guijie Zhu, Songping Mai, Xian Tang, and ZhihuaWang, “Enhancement Method of Efficiency and Working Range in Bio-Implant Wireless Power Transfer”, 2018 IEEE Wireless Power Transfer Conference (WPTC).

[9]            Guijie Zhu, Songping Mai, Chun Zhang, Zhihua Wang,“Distance and load insensitive inductive powering for implantable medical devices through wireless communication”，2017 Wireless Power Transfer Conference (WPTC).

[10]         Yanshu Guo, Songping Mai, Zhaoyang Weng, Heng Liu, Hanjun Jiang, Zhihua Wang, “A 9.4 pJ/bit 432 MHz 16-QAM/MSK transmitter based on edge-combining power amplifier”, 2017 IEEE International Symposium on Circuits and Systems (ISCAS).

[11]         Yao Lu, Songping Mai, Chun Zhang, Hong Chen, Zhihua Wang, “Design optimization of printed spiral coils and impedance matching networks for load-variable wireless power transfer systems”, 2017 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC).

[12]         Yao Lu, Hanjun Jiang, Songping Mai, “A Wireless Charging Circuit With High Power Efficiency and Security for Implantable Devices”, 12th IEEE Biomedical Circuits and Systems Conference (BioCAS), 2016, pp. 328-331.

Books

Patents