Li Ning

J-GLOBAL         Last updated: Oct 8, 2019 at 02:41
Li Ning
Sophia University
Faculty of Science and Technology, Department of Engineering and Applied Sciences
Job title
Assistant Professor
Research funding number


April, 2016- August, 2018 Assistant professor, Chuo University
1. Fundamentals of Electrical Electronic Information and Communication Engineering
2. Experiment of Wireless Communications
On the development of
1. Wireless power transfer system
 Proposed a Q-enhancement method for long transfer distance
 Analyzed and measured the magnetic resonant coupling method
2. Modeling of hysteretic DC-DC converter
 Developed a method to establish a small signal transfer function for hysteretic buck DC-DC converters in continuous conduction mode (CCM)
3. Glucose sensor
 Compared two methods for evaluate the level of glucose
June, 2010 - March, 2016 Researcher in Matsuzawa-Okada Lab, Tokyo Institute of Technology, Japan
On the development of
1. Transconductive amplifier design for sampling mixer
 Analyzed the effect of the parasitics on circuit performance by calculation and simulation
2. Millimeter-wave CMOS transceivers (Japan Ministry of Internal Affairs and Communications project)
 Contributed to the first 64-QAM mm-wave transceiver and realized the fastest transfer data rate in the world.
 Built models for mm-wave circuit including transistors, transmission lines, baluns, capacitors and de-coupling transmission lines, built PDK for mm-wave circuit design, created black-box for mm-wave devices.
 Designed the low noise amplifiers and power amplifiers for RF front-end
 Serial to parallel and parallel to serial circuit design
3. Helium-3 ion irradiation method to improve circuit performance, cooperation with Sumitomo Heavy Industries. Examination and Inspection, Ltd.,
 Helium-3 ion irradiation method to modify CMOS substrate resistivity in order to improve passive device performance and improve noise isolation, saving product cost up to 97% compared to former proton method.
 Inductor quality factor improvement by helium-3 ion irradiation
 Transistor leakage investigation after helium-3 ion irradiation
 Substrate isolation improvement by helium-3 ion irradiation
2003 – 2005 Lecturer in Department of Electronics and Information Engineering, Xi’an Jiaotong University, China
1999 – 2003 Assistant professor in Department of Electronics and Information Engineering, Xi’an Jiaotong University, China

Research Areas


Published Papers

Continuous-Time Modeling of Hysteretic DC-DC Converters in CCM
Tomonori Isono, Ning Li and Yasuhiro Sugimoto
IEEE International Symposium on Circuits & Systems (ISCAS)      2018
A 128-QAM 60GHz Transceiver for IEEE802.11ay with Calibration of LO Feedthrough and I/Q Imbalance
Jian Pang, Shotaro Maki, Seitarou Kawai, Noriaki Nagashima,Yuuki Seo, Masato Dome, Hisashi Kato, Makihiko Katsuragi, Kento Kimura, Satoshi Kondo, Yuki Terashima, Hanli Liu, Teerachot Siriburanon, Aravind Tharayil Narayanan, Nurul Fajiri, Tohru Kaneko, Toru Yoshioka, Bangan Liu, Yun Wang, Rui Wu, Ning Li, Korkut Kaan Tokgoz, Masaya Miyahara, Kenichi Okada, Akira Matsuzawa
IEEE International Solid-State Circuits Conference (ISSCC)      2017
A 100mW 3.0Gb/s Spectrum Efficient 60GHz Bi-Phase OOK CMOS Transceiver
Yun Wang, Bangan Liu, Hanli Liu, Aravind Tharayil Narayanan, Jian Pang, Ning Li, etc.
IEEE Symposium on VLSI Circuits (VLSI Circuits)      2017
A Pulse-Tail-Feedback VCO Achieving FoM of 195dBc/Hz with Flicker Noise Corner of 700Hz
Aravind Tharayil Narayanan, Ning Li, Kenichi Okada, and Akira Matsuzawa
IEEE Symposium on VLSI Circuits (VLSI Circuits)      2017
Sensitivity Comparison Between Reflection and Transmission Coefficient by Free Space Method for Non-Invasive Glucose Monitoring Sensor
Kento Fujimori, Ning Li, and Yasuhiro Sugimoto
IEEE International Bio-Informatics and Bio-Engineering Conference      2017