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Songping Mai

Biography

       Songping Mai received his Ph.D. degree in electronic engineering from Tsinghua University, Beijing, China, in 2008. After that he joined Graduate School at Shenzhen, Tsinghua University, where he is currently an assistant professor. His research interests focus on ASIC design, including IC chip for cryptography and security, low-power embedded microprocessor, intelligent medical microsystem (cochlear implant, neuro-stimulator), etc. He also teaches the course “Digital Large-Scale Integrated Circuits” for graduate students. He has presided over or participated in several research projects, including “Research on low-power processor for fully implantable artificial cochlea” supported by the National Natural Science Foundation of China, “Research on key technologies of SoC” supported by the National Key Basic Research and Development Program (973 Program), “SoC platform for High-Definition TV” supported by the VLSI (Very Large Scale Integration) design project of 863 Program, “Study and development on technologies of Implantable artificial cochlea” supported by the Basic Research Foundation of Tsinghua University, “Chip design for one-time password application” commissioned by enterprise, etc. He has published one translated book and over 10 papers, and holds two China patents. He gained the Outstanding Staff Award in 2010. He currently serves also as an expert of Shenzhen Integrated Circuit Design Committee and a scientific and technological expert of Nanshan district in Shenzhen.

Publications

Papers：

[1] Shiying Zhang, Fukun Su, Yi Wang, Songping Mai, Kong Pang Pun, Xian Tang, A Low-Power Keyword Spotting System With High-Order Passive Switched-Capacitor Bandpass Filters for Analog-MFCC Feature Extraction, IEEE Transactions on Circuits and Systems I: Regular Papers, Vol.70, No.11, pp.4235-4248, 2023.

[2] Xincheng Yang, Songping Mai, Rongxin Bao, MispredTable: A Side Branch Predictor to TAGE in Multithreading Processors, ISCAS 2023, pp.1-5, 2023.

[3] Qingbing Zhang, Songping Mai, Ruolin Zhou, Xincheng Yang, A Low-power ASK Demodulator for Wireless Power and Data Transfer Systems Supporting Ultra-low Modulation Depth of 0.03%, ISCAS 202, pp.1-5, 2023.

[4] Song Shi, Yi Wang, Songping Mai, Research on speed control of PMSM based on a new sliding mode reaching law of fast integral terminal sliding mode control with iterative-based high-gain disturbance observer, VLSI Technology and Circuits 2023, pp.2347-2352, 2023.

[5] Ruolin Zhou, Xiangsheng Xu, Congyi Qian, Songping Mai, A 13.56 MHz Efficient Active Rectifier with Quasi-Constant Delay Compensation Scheme for Implantable Medical Devices, BioCAS 2023, pp.1-5, 2023.

[6] Xiao Luo, Songping Mai, Xian Tang, Haigang Feng, A -193.1dBc/Hz FOM 1.08mW Low Power 10GHz VCO in 22nm CMOS Technology, RFIT 2023, pp.17-19, 2023.

[7] Yu Hui Du, Chao Sun, Milin Zhang, Songping Mai, Design of a Two-Channel Forehead PPG Sensor, BioCAS 2023, pp.1-5, 2023.

[8] Qiang Wang, Anning Liu, Songping Mai, A 6.78 MHz High-Efficiency Wireless Power Transfer Transmitter With Adaptive Dead-Time Control and Transistor-Width Switching for Implantable Medical Devices, APCCAS 2022, pp.77-81, 2022.

[9] Wending Qi, Anning Liu, Ruolin Zhou, Songping Mai, Design and Optimization of Inductive Coils for 2FSK-based Power and Data Transmission for Biomedical Implants, APCCAS 2022, pp.134-138, 2022.

[10] Lican Wu, Zhi Li, Yaqi Han, Songping Mai, Xinpeng Xing, H. Y. Fu, Signal Processing Using Wavelet Transform and Short-time Fourier Transform Based on Spectral-scanning FMCW LiDAR, ACP 2022, pp.789-791, 2022.

[11] Ruolin Zhou, Heng Liu, Wending Qi, Xian Tang, Songping Mai, A Fast-Transient Response Capacitor-Less FVF-LDO in 22-nm CMOS Technology, APCCAS 2022, pp.91-94, 2022.

[12] Yaqi Han, Zhi Li, Lican Wu, Songping Mai, Xinpeng Xing, H. Y. Fu, High-Speed Two-Dimensional Spectral-Scanning Coherent LiDAR System Based on Tunable VCSEL, Journal of Lightwave Technology, Vol.41, No.2, pp.412-419, 2022.

[13] Xiaojun Ma, Songping Mai, Narrowband FSK Transceiver Circuit for Wireless Power and Data Transmission in Biomedical Implants, ISCAS 2022, pp.152-155, 2022.

[14] Weicheng Zhao, Songping Mai, Design of High Efficiency Planar Spiral Coil for Implantable Wireless Power Transfer Systems, ISCAS 2022, pp.147-151, 2022.

[15] Yucheng Jiang, Haifeng Guo, Junhao Zheng, Jingsheng Wang, Songping Mai, Efficient AVS3 Intra Prediction Hardware Design for Real-time Applications, ICTA 2022, pp.194-195, 2022.

[16] Anning Liu, Qiang Wang, Wending Qi, Songping Mai, A Dual Resonant Frequencies Tuning Circuit Based on FSK Modulation for Wireless Power and Data Transmission in Medical Implants, BioCAS 2022, pp.515-518, 2022.

[17] 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.

[18] Xingyu Fu,Songping Mai,Zhihua Wang, An Energy-Efficient Implantable-Neural-Stimulator System with Wireless Charging and Dynamic Voltage Output, EMBC 2019, pp. 3835 - 3839, 2019.

[19] 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 Transactions on Power Electronics, Vol.33, No.6, pp. 5317 - 5329, 2018.

[20] Guijie Zhu,Songping Mai,Xian Tang,Zhihua Wang, Enhancement Method of Efficiency and Working Range in Bio-Implant Wireless Power Transfer, WPTC 2018, pp. 1 - 4, 2018.

[21] 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, ISCAS 2018, pp. 1 - 4, 2018.

[22] Guijie Zhu,Songping Mai,Xian Tang,Zhihua Wang, Simplified reconfigurable rectifier with consistent input capacitance for wireless power transfer, EDSSC 2018, pp. 1 - 2, 2018.

[23] Xingyu Fu,Songping Mai,Zhihua Wang, A Wireless Power-Efficient Charger Chip with Closed-Loop Controlling Mechanism for Implantable Biomedical System, EDSSC 2018, pp. 1 - 2, 2018.

[24] Yang Zhao,Guolin Li,Xiang Xie,Songping Mai, A Super-resolution Algorithm Through Neighbor Embedding, Microelectronics & Computer, Vol.34, No.2, pp.10 - 14, 2017.

[25] Yunpu Hu,Songping Mai,Xiang Xie, High-frequency pro-cam based human-computer interaction system , Application Research of Computers, Vol.34, No.3, pp. 907-910, 2017.

[26] Guijie Zhu,Songping Mai,Chun Zhang,Zhihua Wang, Distance and Load Insensitive Inductive Powering for Implantable Medical Devices Through Wireless Communication, WPTC 2017, pp. 1 - 3, 2017.

[27] 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, ISCAS 2017, pp. 1 - 4, 2017.

[28] 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, EDSSC 2017, pp. 1 - 2, 2017.

[29] Yunpu Hu,Songping Mai,Xiang Xie, A HardWare Design for Imperceptible Structured Light Application, ISNE 2016, pp. 1 - 2, 2016.

[30] Peng Wu,Songping Mai, An Energy-Efficient, Adaptive Voltage Scaling Output Stage for Neural Stimulators based on SEPIC converter , IPEMC-ECCE Asia 2016 , pp. 2437 - 2441, 2016.

[31] Yao Lu,Hanjun Jiang,Songping Mai,Zhihua Wang, A wireless charging circuit with high power efficiency and security for implantable devices, BioCAS 2016, pp. 328 - 331, 2016.

[32] Jinghui Liu,Songping Mai,Chun Zhang,Zhihua Wang, A high-voltage, energy-efficient, 4-electrode output stage for implantable neural stimulator, ISCAS 2015, pp. 762 - 765, 2015.

[33] Qing Yang,Songping Mai,Yixin Zhao,Zhijun Wang,Chun Zhang,Zhihua Wang, An on-chip security guard based on zero-power authentication for implantable medical devices, MWSCAS 2014, pp. 531 - 534, 2014.

[34] Yawei Wang,Songping Mai,Chun Zhang, A high-efficiency, low-power wireless power and data frontend for implantable applications, EDSSC 2014, pp. 1 - 2, 2014.

[35] Yawei Wang,Songping Mai,Chun Zhang, A low-power, 16-channel implantable neurostimulator, EDSSC 2014, pp. 1 - 2, 2014.

[36] Songping Mai,Chunhong Li,Yixin Zhao,Chun Zhang,Zhihua Wang, A high-performance low-power SoC for mobile one-time password applications, ISCAS 2013, pp. 1436 - 1439, 2013.

[37] Yunpu Hu,Songping Mai,Yixin Zhao,Chun Zhang, Low-resistance Wide-voltage-range Analog Switch for Implantable Neural Stimulator , ASICON 2013, 2013.

[38] Songping Mai,Yixin Zhao,Chun Zhang,Zhihua Wang, A time-frequency aware cochlear implant: algorithm and system, ISNN 2012, pp. 159 - 168, 2012.

[39] Yingke Gu,Guolin Li,Xiang Xie,Tianjia Sun,Shouhao Liu,Xiaomeng Li,Songping Mai,Zhihua Wang, The design and implementation of a chipset for the endoscopic Micro-Ball, ISCAS 2012, pp. 2633 - 2636, 2012.

[40] Zhou Su,Songping Mai,Chun Zhang, The Study of Image Processing for Retinal Prosthesis Based on Android, ICALIP 2012, pp. 632 - 635, 2012.

[41] Songping Mai,Zhijun Wang,Chun Zhang,Zhihua Wang, A wirelessly programmable chip for multi-channel neural stimulation, EMBC 2012, pp. 6595 - 6599, 2012.

[42] Shaoyang Wu,Songping Mai,Chun Zhang, FPGA Implementation of CIS Speech Processing Strategy for Cochlear Implants, CISP 2011, pp. 162 - 166, 2011.

[43] Zhihua Wang,Xiaoyu Zhang,Lingwei Zhang,Chun Zhang,Songping Mai,Xiang Xie,Hanjun Jiang,Baoyong Chi, China Integrated Circuit, No.2, pp. 12 - 23, 2010.

[44] Zhijun Wang,Chun Zhang,Chen Jia,Songping Mai,Dongmei Li, The Design of Cochlear Implant Stimulating Circuit, Semiconductor Technology, Vol.34, No.4, pp. 389 - 392 , 2009.

[45] Xingping Wang,Songping Mai,Chun Zhang, Design of multi-electrode electrical neural stimulator, Microelectronics, Vol.39, No.5, pp. 649 - 652, 2009.

[46] Songping Mai,Chun Zhang,Zhihua Wang, An application-specific low power speech processor for cochlear implants, BioCAS 2009, pp. 177 - 180, 2009.

[47] Songping Mai,Chun Zhang,Jun Chao,Zhihua Wang, A New Cochlear Prosthetic System with an Implanted DSP, Chinese Journal of Semiconductors, Vol.29, No.9, pp. 1745 - 1752, 2008.

[48] Zhihua Wang,Songping Mai,Chun Zhang, Power issues on circuit design for cochlear implants, DELTA 2008, pp. 163 - 166, 2008.

[49] Songping Mai,Chun Zhang,Zhihua Wang, Function-based memory partitioning on low power digital signal processor for cochlear implants, APCCAS 2008, pp. 654 - 657, 2008.

[50] Songping Mai,Chun Zhang,Kun Yang,Zhihua Wang, Research on Open-Source Hardware Based Design Method, Journal of Electronics & Information Technology, Vol.29, No.7, pp. 1761 - 1764, 2007.

[51] Zhihua Wang,Songping Mai,Chun Zhang,Hong Chen, Design Practice of Power-oriented Integrated Circuits for Biomedical Implant Systems, ICECS 2007, pp. 78 - 81, 2007.

[52] Songping Mai,Chun Zhang,Yixin Zhao,Jun Chao,Zhihua Wang, An application-specific memory partitioning method for low power, ASICON 2007, pp. 221 - 224, 2007.

[53] Mian Dong,Chun Zhang,Songping Mai,Zhihua Wang,Dongmei Li, A wideband frequency-shift keying demodulator for wireless neural stimulation microsystems, VLSI Design 2006, pp. 1056 - 1060, 2006.

[54] Songping Mai,Kun Yang,Wenli Lan,Chun Zhang,Zhihua Wang, An open-source based DSP with enhanced multimedia-processing capacity for embedded applications, ISCAS 2006, pp. 939 - 942, 2006.

[55] Songping Mai,Chun Zhang,Mian Dong,Zhihua Wang, A Cochlear System with Implant DSP, ICASSP 2006, pp. V-125 - V-128, 2006.

[56] Mian Dong,Chun Zhang,Songping Mai,Zhihua Wang,Dongmei Li, A Wideband Wireless Micro-Stimulating AISC for Cochlear Implant, ICM 2005, pp. 274 - 278, 2005.

[57] Chun Zhang,Kun Yang,Songping Mai,Zhihua Wang, A DSP architecture for motion estimation accelerating, ISIMP 2004, pp. 583 - 586, 2004.

[58] Kun Yang,Chun Zhang,Songping Mai,Zhihua Wang, DSP Architecture for Motion Estimation Acceleration, ICSICT 2004, pp. 1609 - 1612, 2004.

Patents：

[1] Xiang Xie, Shaofeng Zou, Guolin Li, Songping Mai, Zhihua Wang. Video blind denoising method based on deep learning, computer device and computer-readable storage medium: USA, US20210327031 A1[P].

[2] Xiang Xie, Jiawen Xue, Guolin Li, Songping Mai, Zhihua Wang. Implicit structured light decoding method, computer equipment and readable storage medium: USA, US20210319594 A1[P].

[3] Chongkun Xia, Bin Liang,Xueqian Wang, Houde Liu, Songping Mai. Robot motion planning method and system based on graph Wasserstein self-encoding network: China, 202110571993.8[P]. 2021-08-20.

[4] Chongkun Xia, Bin Liang,Xueqian Wang, Houde Liu, Songping Mai. Robot sampling motion planning method and system based on spectrogram model guidance: 中国, 202110573761.6[P].

[5] Xiang Xie, Shaofeng Zou, Guolin Li, Songping Mai, Zhihua Wang. Video blind denoising method and device based on deep learning: China, 202010294520.3[P]. 2023-04-14.

[6] Songping Mai, Duo Guo, Muqun Yang, Tian Guan, Chun Zhang, Zhihua Wang. Deep brain stimulation electrode device: China, 202010287006.7[P].

[7] Xiang Xie, Jiawen Xue, Guolin Li, Songping Mai, Zhihua Wang. Method and device for decoding implicit structured light: China, 202010268291.8[P]. 2022-05-06.

[8] Xian Tang, Kan Peng, Songping Mai, Zhihua Wang. Downlink data transmission device and method for synchronous transmission of wireless energy and data: China, 201910233924.9[P]. 2021-06-08.

[9] Guijie Zhu, Xian Tang, Songping Mai, Zhihua Wang. A rectifier of can reshuffling for wireless energy transmission: China, 201820334512.5[P]. 2018-09-18.

[10] Guijie Zhu, Xian Tang, Songping Mai, Zhihua Wang. A reconfigurable rectifier for wireless power transmission: China, 201810200908.5[P].

[11] Zhuo Li, Xiang Xie, Songping Mai. A Method and Device for Verifying the Accuracy of Needle: China, 201810114982.5[P]. 2020-12-08.

[12] Guijie Zhu, Xian Tang, Songping Mai, Zhihua Wang. A wireless energy transmission control method: China, 201711351897.2[P]. 2019-07-26.

[13] Sen Li, Xiang Xie, Guolin Li, Songping Mai, Zhihua Wang. Method and System of Acquiring User Finger Parameters in Projection Touchpad: China, 201711135967.0[P]. 2022-06-17.

[14] Hui Jiang, Ziqiang Wang, Chun Zhang, Songping Mai, Hong Chen, Hanjun Jiang, Zhihua Wang. Circuit, measuring device and signal measuring method for reducing chopping amplifier output ripple: China, 201210562798.X[P]. 2015-08-19.

[15] Songping Mai, Yixin Zhao, Xiaohu Li, Chun Zhang, Zhihua Wang. Current pulse circuit implanted into nerve stimulator: China, 201210192335.9[P]. 2014-12-10.

[16] Songping Mai, Yixin Zhao, Linghua Liu, Chun Zhang, Zhihua Wang. A communication system and method for controlling implanted medical apparatus: China, 201210161409.2[P]. 2015-08-19.

[17] Songping Mai, Yixin Zhao, Xiaohu Li, Chun Zhang, Zhihua Wang. A OOK signal receiving circuit: China, 201210119786.X[P]. 2014-05-14.

[18] Songping Mai, Yixin Zhao, Xiaohu Li, Chun Zhang, Zhihua Wang. A universal arm platform: China, 201210119794.4[P]. 2014-03-19.

[19] Songping Mai, Chun Zhang, Zhihua Wang. A cochlear implant system: China, 201110100936.8[P]. 2013-03-13.