李予琛

Yuchen Li (Y. Li)

PhD Student, Microwave Wireless Sensing Lab

Department of Electronic Engineering，Artificial Intelligence Institute, Shanghai Jiao Tong University (SJTU)

Supervisor: Professor Changzhan Gu

E-mail: liyuchen (at) sjtu (dot) edu (dot) cn

Laboratory: 3F AI Institute, 930 Jianchuan RD, Shanghai 200240, China

IEEE author homepage

• Jun. 2022 - Now :   Co-founder & CTO of Hecaray Technology, a start-up company dedicated to safeguarding healthy living with millimeter-wave technology.


• Sep. 2020 - Now :   Admitted to study for a Ph.D. degree in Electronic Science and Technology, Shanghai Jiao Tong University without entrance examination following professor Changzhan Gu.


• Sep. 2016 - Jun. 2020 :   Receive my B.Sc degree in Electromagnetic Fields and Wireless Technology, School of Electronic Science and Engineering (Yingcai Honor Class), University of Electronic Science and Technology of China.

Short-range radar sensor and sensing systems, new concept human-computer interaction (HCI), radar-based vital sign detection, wireless sensing and its various applications in AI/AR/Biomedical/IoT.

Featured article:

1. Yuchen Li, Changzhan Gu, and Jun-Fa Mao, "A Robust and Accurate FMCW MIMO Radar Vital Sign Monitoring Framework With 4-D Cardiac Beamformer and Heart-Rate Trace Carving Technique," IEEE Transactions on Microwave Theory and Techniques, doi: 10.1109/TMTT.2024.3384288, 2024.
   https://ieeexplore.ieee.org/document/10516282


2. Yuchen Li, Changzhan Gu, and Jun-Fa Mao, "4D Gesture Sensing Using Reconfigurable Virtual Array Based on a 60 GHz FMCW MIMO Radar Sensor," IEEE Transactions on Microwave Theory and Techniques, vol. 70, no. 7, pp. 3652-3665, July 2022, doi: 10.1109/TMTT.2022.3174075.
   https://ieeexplore.ieee.org/document/9778282


3. Yuchen Li, Keke Zheng, and Changzhan Gu, "A Fast and Efficient FMCW Radar Phase Extraction Technique at Ultra-Narrow Range for Vital Sign Detection," 2024 IEEE MTT-S International Microwave Symposium (IMS), Washington, DC, USA, 2024. (Post-Deadline Paper)

Book Chapter:

1. Jingtao Liu, Yuchen Li, and Changzhan Gu, Chapter “Radar-based vital signs monitoring” for Book “Contactless Vital Signs Monitoring,” ISBN: 978-0-12-822281-2, Elsevier, 2021.
   https://www.sciencedirect.com/science/article/abs/pii/B9780128222812000184
   
   

Refereed Journal Papers:

1. Yuchen Li, and Changzhan Gu, "Double L-shaped array: A Subspace-based 4D MIMO Radar Array Design Method with Optimal Angular Resolution," submitted to IEEE Transactions on Microwave Theory and Techniques, 2024.


2. Yuchen Li, Shuqin Dong, and Changzhan Gu, "Feel Your Heartbeat Across Space: Radar-Based Cardiac Activity Monitoring for Healthcare Applications," submitted to IEEE Microwave Magazine, 2024.


3. Yuchen Li, Changzhan Gu, and Jun-Fa Mao, "A Robust and Accurate FMCW MIMO Radar Vital Sign Monitoring Framework With 4-D Cardiac Beamformer and Heart-Rate Trace Carving Technique," IEEE Transactions on Microwave Theory and Techniques, doi: 10.1109/TMTT.2024.3384288, 2024.
   https://ieeexplore.ieee.org/document/10516282


4. Yuchen Li, Changzhan Gu, and Jun-Fa Mao, "4D Gesture Sensing Using Reconfigurable Virtual Array Based on a 60 GHz FMCW MIMO Radar Sensor," IEEE Transactions on Microwave Theory and Techniques, vol. 70, no. 7, pp. 3652-3665, July 2022, doi: 10.1109/TMTT.2022.3174075. (Featured Article of IEEE MTT-S Newsletter June 2022)
   https://ieeexplore.ieee.org/document/9778282/


5. Shuqin Dong, Yuchen Li, Changzhan Gu, and Jun-Fa Mao, "Robust Cardiac Timing Detection Technique with Vectors Analytic Demodulation in Doppler Cardiogram Sensing," IEEE Transactions on Microwave Theory and Techniques, doi: 10.1109/TMTT.2024.3360469, 2024.
   https://ieeexplore.ieee.org/document/10431553


6. Jiayu Zhang, Zhiwei Zhang, Yuchen Li, Changzhan Gu, and Jun-Fa Mao, "Target Detection with Short-Range FMCW Radar based on Time-Frequency Characteristic-Based Leakage Cancellation Technique," IEEE Transactions on Microwave Theory and Techniques, vol. 72, no. 4, pp. 2318-2331, April 2024.
   https://ieeexplore.ieee.org/document/10443219


7. Shuqin Dong, Li wen, Yuchen Li, Jingyun Lu, Zhi Zhang, Chengmei Yuan, Changzhan Gu, and Jun-Fa Mao, "Remote Respiratory Variables Tracking with Biomedical Radar-based IoT System During Sleep," IEEE Internet of Things Journal, vol. 11, no. 11, pp. 19937-19948, 1 June 2024.
   https://ieeexplore.ieee.org/document/10440444


8. Shuqin Dong, Yuchen Li, Jingyun Lu, Zhi Zhang, Changzhan Gu, and Junfa Mao, "Accurate Detection of Doppler Cardiograms in the Presence of Respiration with a Novel PRF Algorithm," IEEE Transactions on Microwave Theory and Techniques, vol. 71, no. 1, pp. 71-82, Jan. 2023, doi: 10.1109/TMTT.2022.3184019. (Featured Article of IEEE MTT-S Newsletter June 2022)
   https://ieeexplore.ieee.org/document/9805826


9. Jingtao Liu, Yuchen Li, Changzhan Gu, and Junfa Mao, "Solving Phase Ambiguity in Interferometric Displacement Measurement with Millimeter-Wave FMCW Radar Sensors," IEEE Sensors Journal, IEEE Sensors Journal, vol. 22, no. 9, pp. 8482-8489, 1 May1, 2022, doi: 10.1109/JSEN.2022.3158657.
   https://ieeexplore.ieee.org/document/9732981/


10. Jingtao Liu, Jingyun Lu, Yuchen Li, Changzhan Gu, and Jun-Fa Mao,"Mitigation of Leakage and Stationary Clutters in Short-Range FMCW Radar with Hybrid Analog and Digital Compensation Technique," IEEE Transactions on Microwave Theory and Techniques, vol. 70, no. 1, pp. 62-73, Jan. 2022.
    https://ieeexplore.ieee.org/document/9583883/


11. Jingtao Liu, Changzhan Gu, Yuchen Li, Lin-Sheng Wu, Yueping Zhang, and Jun-Fa Mao,"Accurate Measurement of Human Vital Signs with Linear FMCW Radars under Proximity Stationary Clutters," IEEE Transactions on Biomedical Circuits and Systems, vol. 15, no. 6, pp. 1393-1404, Dec. 2021, doi: 10.1109/TBCAS.2021.3123830.
    https://ieeexplore.ieee.org/document/9594688/


12. Wei Xu, Yuchen Li, Changzhan Gu, and Jun-Fa Mao,"Large Displacement Motion Interferometry with Modified Differentiate and Cross-Multiply Technique," IEEE Transactions on Microwave Theory and Techniques, vol. 69, no. 11, pp. 4879-4890, Nov. 2021, doi: 10.1109/TMTT.2021.3103576.
    https://ieeexplore.ieee.org/document/9514546/

Refereed Conference Papers:

1. Yuchen Li, Keke Zheng, and Changzhan Gu, "A Fast and Efficient FMCW Radar Phase Extraction Technique at Ultra-Narrow Range for Vital Sign Detection," 2024 IEEE MTT-S International Microwave Symposium (IMS), Washington, DC, USA, 2024. (Post-Deadline Paper)


2. Jiayu Zhang, Zhiwei Zhang, Yuchen Li, Changzhan Gu, and Jun-Fa Mao, "Real-Time Human Motion Tracking Technique Based On a 77 GHz FMCW MIMO Radar System," 2024 International Conference on Microwave and Millimeter Wave Technology (ICMMT), Beijing, China, 2024.


3. Jie Cao, Yuchen Li, Jingtao Liu, and Changzhan Gu, "A Novel Contactless Concentration Evaluation Technique Using Millimeter-Wave Radar," 2024 International Conference on Microwave and Millimeter Wave Technology (ICMMT), Beijing, China, 2024.


4. Zhiwei Zhang, Jiayu Zhang, Yuchen Li, and Changzhan Gu, "Enhanced Micrometer-Scale Motion Sensing Using a Reconfigurable Virtual CW Algorithm Based on 60 GHz FMCW Radar," 2024 IEEE MTT-S International Wireless Symposium (IWS), Beijing, China, 2024.


5. Keke Zheng, Jiayu Zhang, Yuchen Li, Changzhan Gu, and Junfa Mao, "A Novel Data-Based DC Offset Calibration Technique for Millimeterwave Interferometric Sensing of Weak Displacement Motions," 2024 IEEE MTT-S International Wireless Symposium (IWS), Beijing, China, 2024. (Flash Competition 2nd Prize)


6. Shuqin Dong, Zhi Zhang, Yuchen Li, Jingyun Lu, Hao Wu, Changzhan Gu, Jun-Fa Mao, "COVID-SENSE: Radar-Based Remote Respiratory Disorder Detection in Clinical Environment," 2023 IEEE MTT-S International Wireless Symposium (IWS), Qingdao, China, 2023, pp. 1-3, doi: 10.1109/IWS58240.2023.10222219. (FLASH Competition Best Paper Award)
   https://ieeexplore.ieee.org/document/10222219/


7. Wenjie Li, Yuchen Li, Jiayu Zhang, Jingyun Lu; Changzhan Gu, Jun-Fa Mao, "A Receiver Reconfigurable Method for Indoor Human Detection with 60GHz MIMO FMCW Radar," 2023 IEEE MTT-S International Wireless Symposium (IWS), Qingdao, China, 2023, pp. 1-4, doi: 10.1109/IWS58240.2023.10222158.
   https://ieeexplore.ieee.org/document/10222158/


8. Jiayu Zhang, Yuchen Li, Wenjie Li, Zhiwei Zhang, Changzhan Gu, Jun-Fa Mao, "Multi-Chirps Convolution Technique for Range Spectrum Signal Enhancement Based on a 60-GHz MIMO FMCW Radar," 2023 IEEE MTT-S International Wireless Symposium (IWS), Qingdao, China, 2023, pp. 1-3, doi: 10.1109/IWS58240.2023.10222617.
   https://ieeexplore.ieee.org/document/10222617/


9. Wenjie Li, Yuchen Li, Jiayu Zhang, Jingyun Lu, Shuqin Dong, Changzhan Gu, Jun-Fa Mao, "A Feature-based Filtering Algorithm with 60GHz MIMO FMCW Radar for Indoor Detection and Trajectory Tracking," 2023 IEEE/MTT-S International Microwave Symposium - IMS 2023, San Diego, CA, USA, 2023, pp. 427-430, doi: 10.1109/IMS37964.2023.10188205.
   https://ieeexplore.ieee.org/document/10188205/


10. Jingtao Liu, Zesheng Zhang, Jingyun Lu, Yuchen Li, Changzhan Gu, Jun-Fa Mao, "A High-efficiency and High-accuracy Distance Measurement Technique Based on Phase Differentiation and Accumulation with FMCW radars," 2023 IEEE/MTT-S International Microwave Symposium - IMS 2023, San Diego, CA, USA, 2023, pp. 521-524, doi: 10.1109/IMS37964.2023.10188183.
    https://ieeexplore.ieee.org/document/10188183/


11. Shuqin Dong, Jingyun Lu, Yuchen Li, Caojun Ji, Chengmei Yuan, Dayue Zhao, Menghan Wang, Jingxian Chen, Changzhan Gu, Jun-Fa Mao, "Accurate Fast Heartrate Detection Based on Fourier Bessel Series Expansion During Radar-based Sleep Monitoring," 2023 IEEE/MTT-S International Microwave Symposium - IMS 2023, San Diego, CA, USA, 2023, pp. 1196-1199, doi: 10.1109/IMS37964.2023.10188051.
    https://ieeexplore.ieee.org/document/10188051/


12. Yuchen Li, Jingyun Lu, Shuqin Dong, Changzhan Gu, Jun-Fa Mao, "Temporal-Spatial Equivalent Virtual Array Technique for Accurate Vital Sign Monitoring," 2023 IEEE/MTT-S International Microwave Symposium - IMS 2023, San Diego, CA, USA, 2023, pp. 1093-1096, doi: 10.1109/IMS37964.2023.10188121.
    https://ieeexplore.ieee.org/document/10188121/


13. Yuchen Li, Jingyun Lu, Changzhan Gu, and Xiaokang Yang, "Gesture Interaction for Gaming Control Based on an Interferometric Radar," CAAI International Conference on Artificial Intelligence (CICAI) , Beijing, China, August 2022.


14. Yuchen Li, Changzhan Gu, Jun-Fa Mao, “An In-Vehicle Occupant Detection Technique Based on a 60 GHz FMCW MIMO Radar,” accepted by 2022 IEEE MTT-S International Wireless Symposium (IWS), Harbin, China, May 2022.
    https://ieeexplore.ieee.org/document/9977812/


15. Yuchen Li, Changzhan Gu, Jun-Fa Mao, “A 4D Gesture Sensing Technique based on Spatiotemporal Detection with a 60 GHz FMCW MIMO Radar,” IEEE International Microwave Symposium (IMS), Atlanta, GA, June 2021. (Student Paper Competition Finalist)
    https://ieeexplore.ieee.org/document/9574875/


16. Li Wen, Yuchen Li, Yangtao Ye, Changzhan Gu, and Jun-Fa Mao, “Audio Recovery via Noncontact Vibration Detection with 120 GHz Millimeter-Wave Radar Sensing,” International Conference on Microwave and Millimeter Wave Technology (ICMMT), Nanjing, China, May 2021.
    https://ieeexplore.ieee.org/document/9617945/


17. Fei Tong, Yuchen Li, Changzhan Gu, Jun-Fa Mao, “A Portable 5.8 GHz Radar Sensor with an Integreted Common-Aperture Single Antenna for Noncontact Physiological Monitoring,” IEEE International Wireless Symposium (IWS), Nanjing, China, May 2021.
    https://ieeexplore.ieee.org/document/9499533/


18. Ke Wu, Chenyue Shi, Yuchen Li, Changzhan Gu, Jinjing, "An Adaptive Kalman Filter based Digital Phase Detector for All Digital Phase-Locked Loop," 2021 IEEE MTT-S International Wireless Symposium (IWS), Nanjing, China, 2021, pp. 1-3, doi: 10.1109/IWS52775.2021.9499674.
    https://ieeexplore.ieee.org/document/9499674/


19. 叶炀涛, 李予琛, 顾昌展, 毛军发, “基于小型化120GHz毫米波干涉雷达系统的手势识别,” 全国微波毫米波会议, 南京,2021.

Patents:

1. MIMO调频连续波毫米波雷达的4D手势识别方法, 申请号：CN202110263109.4 (Granted)


2. 基于自适应Kalman滤波器的全数字锁相环低噪声数字鉴相器, 申请号：CN202110304571.4 (Granted)


3. 面向人体监护的小型化非接触雷达系统, 申请号：CN202110520117.2 (Granted)


4. 基于子空间法和DBF的多目标生命体征探测方法, 申请号：CN202110576344.7 (Granted)


5. 用于生命体征探测的毫米波雷达系统低功耗实现方法, 申请号：CN202110576661.9 (Granted)


6. 基于时空等效虚拟阵列技术的生命体征探测方法, 申请号：CN 116509347


7. Hecaray30s, 申请号：2024SR0739572 (Granted)


8. 心跳波形和HRV监测软件, 申请号：2024SR0739249 (Granted)


9. 基于ESP32的希卡立毫米波雷达存在检测软件, 申请号：2024SR0742139 (Granted)

• 2022 “互联网+”大学生创新创业大赛 上海市特等奖


• 2021 “挑战杯”全国大学生课外科创作品竞赛 全国三等奖


• 2021 “挑战杯”全国大学生课外科创作品竞赛 上海市二等奖


• 2020   全国研究生数学建模竞赛 全国二等奖


• 2019   全国大学生数学建模竞赛 四川省一等奖

• Email :   liyuchen@sjtu.edu.cn


• Office :   3F AI Institute, 930 Jianchuan RD, Shanghai 200240, China


• Address :   5F AI Institute, Software Building, Shanghai Jiao Tong University Minhang Capmus, 800 Dongchuan RD, Shanghai 200240, China