李予琛

Yuchen Li (Y. Li)

Postdoctoral Research Fellow, 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

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• Jun. 2025 - Now :   Join Shanghai Jiao Tong University (State Key Laboratory of Radio Frequency Heterogeneous Integration ) as a Postdoctoral Research Fellow, with the supervisor of Professor Jun-Fa Mao.


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


• Sep. 2020 - Jun. 2025 :   Receive my 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.

• One paper on millimeter-wave radar motion sensing is accepted by T-MTT! Congrats to Zhiwei!

Featured article:

1. Y. Li, S. Dong and C. Gu, "Feel Your Heartbeat Across Space: Radar-Based Cardiac Activity Monitoring for Healthcare Applications", IEEE Microwave Magazine, Dec. 2024, doi: 10.1109/MMM.2024.3454589. (Featured Article of IEEE MTT-S December 2024)
   https://ieeexplore.ieee.org/document/10744817


2. Y. Li, C. Gu and J. 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, Oct. 2024, doi: 10.1109/TMTT.2024.3384288.
   https://ieeexplore.ieee.org/document/10516282


3. Y. Li, C. Gu and J. Mao, "4-D Gesture Sensing Using Reconfigurable Virtual Array Based on a 60-GHz FMCW MIMO Radar Sensor", IEEE Transactions on Microwave Theory and Techniques, July 2022, doi: 10.1109/TMTT.2022.3174075. (Featured Article of IEEE MTT-S Newsletter June 2022)
   https://ieeexplore.ieee.org/document/9778282


4. Y. Li, K. Zheng and C. 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 2024), 2024, doi: 10.1109/IMS40175.2024.10600232. (Post-Deadline Paper)
   https://ieeexplore.ieee.org/document/10600232

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", IEEE Transactions on Microwave Theory and Techniques, 2024.


2. Y. Li, S. Dong and C. Gu, "Feel Your Heartbeat Across Space: Radar-Based Cardiac Activity Monitoring for Healthcare Applications", IEEE Microwave Magazine, Dec. 2024, doi: 10.1109/MMM.2024.3454589. (Featured Article of IEEE MTT-S December 2024)
   https://ieeexplore.ieee.org/document/10744817


3. Y. Li, C. Gu and J. 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, Oct. 2024, doi: 10.1109/TMTT.2024.3384288.
   https://ieeexplore.ieee.org/document/10516282


4. Y. Li, C. Gu and J. Mao, "4-D Gesture Sensing Using Reconfigurable Virtual Array Based on a 60-GHz FMCW MIMO Radar Sensor", IEEE Transactions on Microwave Theory and Techniques, July 2022, doi: 10.1109/TMTT.2022.3174075. (Featured Article of IEEE MTT-S Newsletter June 2022)
   https://ieeexplore.ieee.org/document/9778282


5. J. Zhang, Y. Li, Z. Zhang, C. Gu and J. Mao, "Frequency-Spatial Adaptive Digital Beamforming Technique for Range-Angle Decoupling With High-Resolution MIMO Radar", IEEE Microwave and Wireless Technology Letters, June 2025, doi: 10.1109/LMWT.2025.3557216.
   https://ieeexplore.ieee.org/document/10966424


6. S. Dong, Y. Li, C. Gu and J. Mao, "Robust Cardiac Timing Detection Technique With Vectors Analytic Demodulation in Doppler Cardiogram Sensing", IEEE Transactions on Microwave Theory and Techniques, Aug. 2024, doi: 10.1109/TMTT.2024.3360469.
   https://ieeexplore.ieee.org/document/10431553


7. S. Dong, Y. Li, J. Lu, Z. Zhang, C. Gu and J. Mao, "Accurate Detection of Doppler Cardiograms With a Parameterized Respiratory Filter Technique Using a K-Band Radar Sensor", IEEE Transactions on Microwave Theory and Techniques, Jan. 2023, doi: 10.1109/TMTT.2022.3184019. (Featured Article of IEEE MTT-S Newsletter June 2022)
   https://ieeexplore.ieee.org/document/9805826


8. W. Xu, Y. Li, C. Gu and J. -F. Mao, "Large Displacement Motion Interferometry With Modified Differentiate and Cross-Multiply Technique", IEEE Transactions on Microwave Theory and Techniques, Nov. 2021, doi: 10.1109/TMTT.2021.3103576.
   https://ieeexplore.ieee.org/document/9514546


9. J. Liu, Y. Li, C. Li, C. Gu and J. -F. Mao, "Accurate Measurement of Human Vital Signs With Linear FMCW Radars Under Proximity Stationary Clutters", IEEE Transactions on Biomedical Circuits and Systems, Dec. 2021, doi: 10.1109/TBCAS.2021.3123830.
   https://ieeexplore.ieee.org/document/9594688


10. J. Liu, Y. Li, and C. Gu, "Solving Phase Ambiguity in Interferometric Displacement Measurement With Millimeter-Wave FMCW Radar Sensors", IEEE Sensors Journal, May 2022, doi: 10.1109/JSEN.2022.3158657.
    https://ieeexplore.ieee.org/document/9732981


11. J. Zhang, Z. Zhang, Y. Li, C. Gu and J. Mao, "Frequency-Domain Leakage and Stationary Clutter Cancellation Technique With a K-Band Short-Range End-to-End Sparse MIMO FMCW Radar System", IEEE Transactions on Microwave Theory and Techniques, doi: doi: 10.1109/TMTT.2025.3565631.
    https://ieeexplore.ieee.org/document/11005633


12. J. Zhang, Z. Zhang, Y. Li, C. Gu and J. Mao, "Target Detection With Short-Range FMCW Radar Based on Time–Frequency Characteristic-Based Leakage Cancellation Technique", IEEE Transactions on Microwave Theory and Techniques, April 2024, doi: 10.1109/TMTT.2024.3360324.
    https://ieeexplore.ieee.org/document/10443219


13. S. Dong, L. Wen, Y. Li, et al., "Remote Respiratory Variables Tracking With Biomedical Radar-Based IoT System During Sleep", IEEE Internet of Things Journal, June 2024, doi: 10.1109/JIOT.2024.3367932.
    https://ieeexplore.ieee.org/document/10440444


14. J. Liu, J. Lu, Y. Li, C. Gu and J. 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, Jan. 2022, doi: 10.1109/TMTT.2021.3119345.
    https://ieeexplore.ieee.org/document/9583883


15. J. Zhang, Z. Zhang, Y. Li, C. Gu and J. Mao, "Reconfigurable Frequency–Spatial Equivalent Array Based on FMCW Radar for Accurate Close-Spaced Multitargets Motion Sensing", IEEE Sensors Journal, May 2025, doi: 10.1109/JSEN.2025.3559347.
    https://ieeexplore.ieee.org/document/10965885


16. Z. Zhang, J. Zhang, J. Liu, Y. Li, and C. Gu, "Enhanced Motion Sensing With FMCW Radar Based on a Novel Frequency-Reconfigurable Technique", IEEE Transactions on Microwave Theory and Techniques, Oct. 2024, doi: 10.1109/TMTT.2024.3383667.
    https://ieeexplore.ieee.org/document/10494589

Refereed Conference Papers:

1. Y. Li, G. Xue, J. Cao, et al., "A Knowledge-Fusion Deep Learning Approach for Premature Beat Classification Using mmWave Radar in Clinical Settings", 2025 Asia-Pacific Microwave Conference (APMC).


2. Y. Li, J. Lu and C. Gu, "4D Vital Sign Detection Based on a 24GHz 2T4R MIMO Radar System", 2024 IEEE 12th Asia-Pacific Conference on Antennas and Propagation (APCAP), 2024, doi: 10.1109/APCAP62011.2024.10881861. (2nd Prize of Best Student Paper Award)
   https://ieeexplore.ieee.org/document/10881861


3. Y. Li, K. Zheng and C. 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 2024), 2024, doi: 10.1109/IMS40175.2024.10600232. (Post-Deadline Paper)
   https://ieeexplore.ieee.org/document/10600232


4. Y. Li, J. Lu, S. Dong, C. Gu and J. Mao, "Temporal-Spatial Equivalent Virtual Array Technique for Accurate Vital Sign Monitoring", 2023 IEEE/MTT-S International Microwave Symposium (IMS 2023), 2023, doi: 10.1109/IMS37964.2023.10188121.
   https://ieeexplore.ieee.org/document/10188121


5. Y. Li, J. Lu, C. Gu and X. Yang, "Gesture Interaction for Gaming Control Based on an Interferometric Radar", 2022 CAAI International Conference on Artificial Intelligence (CICAI), 2022, doi: 10.1007/978.3.031.20503.3.56.
   https://link.springer.com/chapter/10.1007/978-3-031-20503-3_56


6. Y. Li, C. Gu and J. Mao, "An In-Vehicle Occupant Detection Technique Based on a 60 GHz FMCW MIMO Radar", 2022 IEEE MTT-S International Wireless Symposium (IWS), 2022, doi: 10.1109/IWS55252.2022.9977812.
   https://ieeexplore.ieee.org/document/9977812


7. Y. Li, C. Gu and J. -F. Mao, "A 4D Gesture Sensing Technique based on Spatiotemporal Detection with a 60 GHz FMCW MIMO Radar", 2021 IEEE MTT-S International Microwave Symposium (IMS 2021), 2021, doi: 10.1109/IMS19712.2021.9574875. (Student Paper Competition Finalist)
   https://ieeexplore.ieee.org/document/9574875


8. J. Zhang, Y. Li, Z. Zhang, et al., "A Portable K-Band 4-D MIMO FMCW Radar System with Sparse Array for Short-Range Dual-Hand Gesture Sensing", 2025 Asia-Pacific Microwave Conference (APMC).


9. J. Zhang, S. Dong, Y. Li, et al., "Accurate Doppler Cardiogram Sensing with Frequency-Domain Digital Beamforming Technique Based on a K-Band Biomedical Radar", 2025 IEEE/MTT-S International Microwave Symposium (IMS 2025), 2025, doi: 10.1109/IMS40360.2025.11103974.
   https://ieeexplore.ieee.org/document/11103974


10. J. Cao, Y. Li, J. Liu and C. Gu, "A Novel Contactless Concentration Evaluation Technique Using Millimeter-Wave Radar", 2024 International Conference on Microwave and Millimeter Wave Technology (ICMMT), 2024, doi: 10.1109/ICMMT61774.2024.10672434.
    https://ieeexplore.ieee.org/document/10672434


11. W. Li, Y. Li, J. Zhang, J. Lu, C. Gu and J. Mao, "A Receiver Reconfigurable Method for Indoor Human Detection with 60GHz MIMO FMCW Radar", 2023 IEEE MTT-S International Wireless Symposium (IWS), 2023, doi: 10.1109/IWS58240.2023.10222158.
    https://ieeexplore.ieee.org/document/10222158


12. J. Zhang, Y. Li, W. Li, Z. Zhang, C. Gu and J. 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), 2023, doi: 10.1109/IWS58240.2023.10222617. (IEEE MVC Competition Finalist)
    https://ieeexplore.ieee.org/document/10222617


13. W. Li, Y. Li, J. Zhang, et al., "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), 2023, doi: 10.1109/IMS37964.2023.10188205. (IEEE MVC Competition Finalist)
    https://ieeexplore.ieee.org/document/10188205


14. L. Wen, Y. Li, Y. Ye, C. Gu and J. -F. Mao, "Audio Recovery via Noncontact Vibration Detection with 120 GHz Millimeter-Wave Radar Sensing", 2021 International Conference on Microwave and Millimeter Wave Technology (ICMMT), 2021, doi: 10.1109/ICMMT52847.2021.9617945. (Best Student Paper Award)
    https://ieeexplore.ieee.org/document/9617945


15. F. Tong, Y. Li, C. Gu and J. -F. Mao, "A Portable 5.8 GHz Radar Sensor with an Integreted Common-Aperture Single Antenna for Noncontact Physiological Monitoring", 2021 IEEE MTT-S International Wireless Symposium (IWS), 2021, doi: 10.1109/IWS52775.2021.9499347.
    https://ieeexplore.ieee.org/document/9499347


16. Z. Zhang, J. Zhang, Y. Li, and C. 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), 2024, doi: 10.1109/IWS61525.2024.10713709.
    https://ieeexplore.ieee.org/document/10713709


17. K. Zheng, J. Zhang, Y. Li, C. Gu and J. Mao, "A Novel Data-Based DC Offset Calibration Technique for Millimeter-wave Interferometric Sensing of Weak Displacement Motions", 2024 IEEE MTT-S International Wireless Symposium (IWS), 2024, doi: 10.1109/IWS61525.2024.10713800. (Flash Competition 2nd Prize)
    https://ieeexplore.ieee.org/document/10713800


18. J. Zhang, Z. Zhang, Y. Li, C. Gu and J. Mao, "Target Localization and Vital Signs Monitoring Based on Spatial-Temporal-Frequency Characteristics With Short-Range FMCW Radar", 2024 International Applied Computational Electromagnetics Society Symposium (ACES-China), 2024, doi: 10.1109/ACES-China62474.2024.10699972. (1st Prize of Best Student Paper Award)
    https://ieeexplore.ieee.org/document/10699972


19. X. Wang, Y. Cao, Y. Li, and C. Gu, "A Novel Range Estimation Method based on MUSIC High-Resolution Profile", 2024 International Applied Computational Electromagnetics Society Symposium (ACES-China), 2024, doi: 10.1109/ACES-China62474.2024.10699781.
    https://ieeexplore.ieee.org/document/10699781


20. J. Zhang, Z. Zhang, Y. Li, C. Gu and J. 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), 2024, doi: 10.1109/ICMMT61774.2024.10672135.
    https://ieeexplore.ieee.org/document/10672135


21. S. Dong, Z. Zhang, Y. Li, et al., "COVID-SENSE: Radar-Based Remote Respiratory Disorder Detection in Clinical Environment", 2023 IEEE MTT-S International Wireless Symposium (IWS), 2023, doi: 10.1109/IWS58240.2023.10222219. (FLASH Competition Best Paper Award)
    https://ieeexplore.ieee.org/document/10222219


22. S. Dong, J. Lu, Y. Li, et al., "Accurate Fast Heartrate Detection Based on Fourier Bessel Series Expansion During Radar-based Sleep Monitoring", 2023 IEEE/MTT-S International Microwave Symposium (IMS 2023), 2023, doi: 10.1109/IMS37964.2023.10188051.
    https://ieeexplore.ieee.org/document/10188051


23. K. Wu, C. Shi, Y. Li, C. Gu and J. Jing, "An Adaptive Kalman Filter based Digital Phase Detector for All Digital Phase-Locked Loop", 2021 IEEE MTT-S International Wireless Symposium (IWS), 2021, doi: 10.1109/IWS52775.2021.9499674.
    https://ieeexplore.ieee.org/document/9499674


24. J. Liu, Z. Zhang, J. Lu, Y. Li, C. Gu and J. -F. 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), 2023, doi: 10.1109/IMS37964.2023.10188183.
    https://ieeexplore.ieee.org/document/10188183

Patents:

1. 一种二次雷达低空探测杂波抑制方法, CN201711437345.3, 2021.01, 发明专利 (授权)


2. MIMO调频连续波毫米波雷达的4D手势识别方法, CN202110263109.4, 2022.05, 发明专利 (授权)


3. 面向人体监护的小型化非接触雷达系统, CN202110520117.2, 2022.06, 发明专利 (授权)


4. 基于子空间法和DBF的多目标生命体征探测方法, CN202110576344.7, 2023.01, 发明专利 (授权)


5. 用于生命体征探测的毫米波雷达系统低功耗实现方法, CN202110576661.9, 2022.03, 发明专利 (授权)


6. 毫米波传感装置, CN202230789697.0, 2023.04, 实用新型 (公开)


7. 基于时空等效虚拟阵列技术的生命体征探测方法, CN202310507541.2, 2025.07, 发明专利 (授权)


8. 一种基于毫米波的专注度评价方法及系统, CN202311780897.X, 2024.05, 发明专利 (公开)


9. 一种抗雷达IQ失衡的鲁棒矢量解析解调方法, CN202311780897.X, 2024.06, 发明专利 (公开)


10. 一种基于MIMO调频连续波毫米波雷达的4D心脏定位系统及方法, CN202410478656.8, 2024.09, 发明专利 (公开)

• 2019, 全国大学生数学建模竞赛, 四川省一等奖


• 2020, 全国研究生数学建模竞赛, 全国二等奖


• 2021, “挑战杯”全国大学生课外科创作品竞赛, 上海市二等奖


• 2021, “挑战杯”全国大学生课外科创作品竞赛, 全国三等奖


• 2022, “挑战杯”全国大学生创业计划竞赛, 上海市金奖


• 2023, 2023世界人工智能大会SAIL奖, TOP30


• 2023, 瑞金医院&上海人工智能研究院 数字医学技术及应用创新大赛, 一等奖


• 2024, IEEE APCAP Best Student Paper, Second Place Winner


• 2025, IEEE Graduate Student Fellowship, Tom Brazil Award (国内首次)

• Email :   liyuchen(at)sjtu(dot)edu(dot)cn


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


• Office (Hecaray) :   2F 208, 109 Yuanmei RD B19, Shanghai 200241 , China