Publications

Millimeter-Wave Radar-Based Unobtrusive Arrhythmia Classification Using Deep Learning

Yuchen Li, Zichen Huang, Jie Cao, Xiaolei Xu, Qishan Chen, Li Zhang, Changzhan Gu

2026 56th European Microwave Conference (EuMC), 2026

Forthcoming Forthcoming · 6–8 October 2026, London, UK.

Unobtrusive Cardiac Activity Monitoring Using Biomedical Radar: Principles, Applications, and Perspectives

Yuchen Li, Jie Cao, Qishan Chen, Li Zhang, Changzhan Gu

Bioelectromagnetics in Medicine, vol. 1, no. 1, 2026

A Low-Complexity and Efficient Spatial Resampling Technique for Range–Angle Decoupling With 4-D High-Resolution MIMO FMCW Radar System

Jiayu Zhang, Yuchen Li, Zhiwei Zhang, Changzhan Gu, Junfa Mao

IEEE Transactions on Microwave Theory and Techniques, vol. 74, no. 6, pp. 5791-5806, 2026

Cover Image of the Issue

mmWave Radar-Based Non-Contact Cardiac Activity Monitoring for Arrhythmia Detection and Systolic Time Interval Estimation

Yuchen Li, Zichen Huang, Jie Cao, Xiaolei Xu, Qishan Chen, Xiang Yuan, Jingxian Chen, Li Zhang, Changzhan Gu

2026 IEEE MTT-S International Wireless Symposium (IWS), pp. 1-3, 2026

2026 IWS FLASH Best Paper Award · Second Prize

Contactless Cardiac Detection of Arrhythmia Based on Distribution Encoding Network With Microwave Biomedical Radar

Jie Cao, Li Wen, Shuqin Dong, Yuchen Li, Linsheng Wu, Yijing Guo, Zi Zeng, Qing Cao, Kang Chen, Changzhan Gu

IEEE Transactions on Microwave Theory and Techniques, vol. 74, no. 4, pp. 3135-3148, 2026

A High-Performance Contactless Heart Rate Estimation Technique Based on Sparse and Asymmetric Range-Domain Beamforming and Harmonic Signal Tracking

Jingyun Lu, Yuchen Li, Yangtao Ye, Gaomin Xue, Changzhan Gu

IEEE Transactions on Microwave Theory and Techniques, vol. 74, no. 4, pp. 3795-3806, 2026

A Double L-Shaped 4-D MIMO Radar Array With Optimal Subspace-Based Angular Resolution

Yuchen Li, Jiayu Zhang, Changzhan Gu

IEEE Transactions on Microwave Theory and Techniques, vol. 74, no. 4, pp. 3933-3944, 2026

A Novel DC Offsets Calibration Technique for Detecting Small Displacement Motions With Microwave Interferometric Radar

Yiyan Cao, Yuchen Li, Jiayu Zhang, Changzhan Gu

IEEE Microwave and Wireless Technology Letters, vol. 36, no. 4, pp. 637-640, 2026

Accurate Multitarget Microwave Cardiogram Sensing With 4-D Digital Beamforming Technique Based on a K-Band Short-Range End-to-End 4T8R Sparse MIMO FMCW Radar System

Jiayu Zhang, Yuchen Li, Yiyan Cao, Zhiwei Zhang, Changzhan Gu, Junfa Mao

IEEE Transactions on Microwave Theory and Techniques, vol. 74, no. 1, pp. 421-434, 2026

A Portable K-Band 4-D MIMO FMCW Radar System with Sparse Array for Short-Range Dual-Hand Gesture Sensing

Jiayu Zhang, Yuchen Li, Zhiwei Zhang, Yiyan Cao, Changzhan Gu, Junfa Mao

2025 Asia-Pacific Microwave Conference (APMC), pp. 1-3, 2025

A Knowledge-Fusion Deep Learning Approach for Premature Beat Classification Using mmWave Radar in Clinical Settings

Yuchen Li, Gaomin Xue, Jie Cao, Xiaolei Xu, Qishan Chen, Li Zhang, Changzhan Gu

2025 Asia-Pacific Microwave Conference (APMC), pp. 1-3, 2025

Frequency-Domain Leakage and Stationary Clutter Cancellation Technique With a K-Band Short-Range End-to-End Sparse MIMO FMCW Radar System

Jiayu Zhang, Zhiwei Zhang, Yuchen Li, Changzhan Gu, Junfa Mao

IEEE Transactions on Microwave Theory and Techniques, vol. 73, no. 10, pp. 8310-8324, 2025

Accurate Doppler Cardiogram Sensing with Frequency-Domain Digital Beamforming Technique Based on a $K$-Band Biomedical Radar

Jiayu Zhang, Shuqin Dong, Yuchen Li, Yiyan Cao, Zhiwei Zhang, Changzhan Gu, Junfa Mao

2025 IEEE/MTT-S International Microwave Symposium - IMS 2025, pp. 279-282, 2025

Frequency-Spatial Adaptive Digital Beamforming Technique for Range-Angle Decoupling With High-Resolution MIMO Radar

Jiayu Zhang, Yuchen Li, Zhiwei Zhang, Changzhan Gu, Junfa Mao

IEEE Microwave and Wireless Technology Letters, vol. 35, no. 6, pp. 888-891, 2025

Accurate Large-Scale Motion Sensing With FMCW Radar Based on Range-Dependent DFT Technique

Jiayu Zhang, Zhiwei Zhang, Yuchen Li, Changzhan Gu, Junfa Mao

2025 IEEE/MTT-S International Microwave Symposium (IMS), IF1-19, 2025

Reconfigurable Frequency–Spatial Equivalent Array Based on FMCW Radar for Accurate Close-Spaced Multitargets Motion Sensing

Jiayu Zhang, Zhiwei Zhang, Yuchen Li, Changzhan Gu, Junfa Mao

IEEE Sensors Journal, vol. 25, no. 10, pp. 17975-17986, 2025

Feel Your Heartbeat Across Space: Radar-Based Cardiac Activity Monitoring for Healthcare Applications

Yuchen Li, Shuqin Dong, Changzhan Gu

IEEE Microwave Magazine, vol. 25, no. 12, pp. 91-111, 2024

Enhanced Motion Sensing With FMCW Radar Based on a Novel Frequency-Reconfigurable Technique

Zhiwei Zhang, Jiayu Zhang, Jingtao Liu, Yuchen Li, Changzhan Gu

IEEE Transactions on Microwave Theory and Techniques, vol. 72, no. 10, pp. 6187-6199, 2024

A Robust and Accurate FMCW MIMO Radar Vital Sign Monitoring Framework With 4-D Cardiac Beamformer and Heart-Rate Trace Carving Technique

Yuchen Li, Changzhan Gu, Junfa Mao

IEEE Transactions on Microwave Theory and Techniques, vol. 72, no. 10, pp. 6094-6106, 2024

Multi-target Tracking Algorithm Based on Super-precision Distance Estimation Method

Yiyan Cao, Xuanmin Wang, Lina Ma, Yuchen Li, Changzhan Gu

2024 IEEE 12th Asia-Pacific Conference on Antennas and Propagation (APCAP), pp. 1-2, 2024

4D Vital Sign Detection Based on a 24GHz 2T4R MIMO Radar System

Yuchen Li, Jingyun Lu, Changzhan Gu

2024 IEEE 12th Asia-Pacific Conference on Antennas and Propagation (APCAP), pp. 1-2, 2024

Best Student Paper 2nd Prize

Target Localization and Vital Signs Monitoring Based on Spatial-Temporal-Frequency Characteristics With Short-Range FMCW Radar

Jiayu Zhang, Zhiwei Zhang, Yuchen Li, Changzhan Gu, Junfa Mao

2024 International Applied Computational Electromagnetics Society Symposium (ACES-China), pp. 1-3, 2024

A Novel Range Estimation Method based on MUSIC High-Resolution Profile

Xuanmin Wang, Yiyan Cao, Yuchen Li, Changzhan Gu

2024 International Applied Computational Electromagnetics Society Symposium (ACES-China), pp. 1-3, 2024

Robust Cardiac Timing Detection Technique With Vectors Analytic Demodulation in Doppler Cardiogram Sensing

Shuqin Dong, Yuchen Li, Changzhan Gu, Junfa Mao

IEEE Transactions on Microwave Theory and Techniques, vol. 72, no. 8, pp. 4866-4877, 2024

A Fast and Efficient FMCW Radar Phase Extraction Technique at Ultra-Narrow Range for Vital Sign Detection

Yuchen Li, Keke Zheng, Changzhan Gu

2024 IEEE/MTT-S International Microwave Symposium - IMS 2024, pp. 1057-1060, 2024

Post-Deadline Paper

Remote Respiratory Variables Tracking With Biomedical Radar-Based IoT System During Sleep

Shuqin Dong, Li Wen, Yuchen Li, Jingyun Lu, Zhi Zhang, Chengmei Yuan, Changzhan Gu

IEEE Internet of Things Journal, vol. 11, no. 11, pp. 19937-19948, 2024

Real-Time Human Motion Tracking Technique Based On a 77 GHz FMCW MIMO Radar System

Jiayu Zhang, Zhiwei Zhang, Yuchen Li, Changzhan Gu, Junfa Mao

2024 International Conference on Microwave and Millimeter Wave Technology (ICMMT), pp. 1-3, 2024

Enhanced Micrometer-Scale Motion Sensing Using a Reconfigurable Virtual CW Algorithm Based on 60 GHz FMCW Radar

Zhiwei Zhang, Jiayu Zhang, Yuchen Li, Changzhan Gu

2024 IEEE MTT-S International Wireless Symposium (IWS), pp. 1-3, 2024

A Novel Data-Based DC Offset Calibration Technique for Millimeter-wave Interferometric Sensing of Weak Displacement Motions

Keke Zheng, Jiayu Zhang, Yuchen Li, Changzhan Gu, Junfa Mao

2024 IEEE MTT-S International Wireless Symposium (IWS), pp. 1-4, 2024

A Novel Contactless Concentration Evaluation Technique Using Millimeter-Wave Radar

Jie Cao, Yuchen Li, Jingtao Liu, Changzhan Gu

2024 International Conference on Microwave and Millimeter Wave Technology (ICMMT), pp. 1-3, 2024

Target Detection With Short-Range FMCW Radar Based on Time–Frequency Characteristic-Based Leakage Cancellation Technique

Jiayu Zhang, Zhiwei Zhang, Yuchen Li, Changzhan Gu, Junfa Mao

IEEE Transactions on Microwave Theory and Techniques, vol. 72, no. 4, pp. 2318-2331, 2024

Accurate Noncontact Sleep Apnea-hypopnea Detection Using a K-band Biomedical Radar

Shuqin Dong, Jingyun Lu, Yuchen Li, Lina Ma, Changzhan Gu, Jun-Fa Mao

2023 Asia-Pacific Microwave Conference (APMC), pp. 432-434, 2023

Temporal-Spatial Equivalent Virtual Array Technique for Accurate Vital Sign Monitoring

Yuchen Li, Jingyun Lu, Shuqin Dong, Changzhan Gu, Junfa Mao

2023 IEEE/MTT-S International Microwave Symposium - IMS 2023, pp. 1093-1096, 2023

Accurate Fast Heartrate Detection Based on Fourier Bessel Series Expansion During Radar-based Sleep Monitoring

Shuqin Dong, Jingyun Lu, Yuchen Li, Caojun Ji, Chengmei Yuan, Dayue Zhao, Menghan Wang, Jingxian Chen, Changzhan Gu, Jun-Fa Mao

2023 IEEE/MTT-S International Microwave Symposium - IMS 2023, pp. 1196-1199, 2023

A High-efficiency and High-accuracy Distance Measurement Technique Based on Phase Differentiation and Accumulation with FMCW radars

Jingtao Liu, Zesheng Zhang, Jingyun Lu, Yuchen Li, Changzhan Gu, Jun-Fa Mao

2023 IEEE/MTT-S International Microwave Symposium - IMS 2023, pp. 521-524, 2023

A Feature-based Filtering Algorithm with 60GHz MIMO FMCW Radar for Indoor Detection and Trajectory Tracking

Wenjie Li, Yuchen Li, Jiayu Zhang, Jingyun Lu, Shuqin Dong, Changzhan Gu, Junfa Mao

2023 IEEE/MTT-S International Microwave Symposium - IMS 2023, pp. 427-430, 2023

Multi-Chirps Convolution Technique for Range Spectrum Signal Enhancement Based on a 60-GHz MIMO FMCW Radar

Jiayu Zhang, Yuchen Li, Wenjie Li, Zhiwei Zhang, Changzhan Gu, Junfa Mao

2023 IEEE MTT-S International Wireless Symposium (IWS), pp. 1-3, 2023

COVID-SENSE: Radar-Based Remote Respiratory Disorder Detection in Clinical Environment

Shuqin Dong, Zhi Zhang, Yuchen Li, Jingyun Lu, Hao Wu, Changzhan Gu, Junfa Mao

2023 IEEE MTT-S International Wireless Symposium (IWS), pp. 1-3, 2023

A Receiver Reconfigurable Method for Indoor Human Detection with 60GHz MIMO FMCW Radar

Wenjie Li, Yuchen Li, Jiayu Zhang, Jingyun Lu, Changzhan Gu, Junfa Mao

2023 IEEE MTT-S International Wireless Symposium (IWS), pp. 1-4, 2023

Accurate Detection of Doppler Cardiograms With a Parameterized Respiratory Filter Technique Using a K-Band Radar Sensor

Shuqin Dong, Yuchen Li, Jingyun Lu, Zhi Zhang, Changzhan Gu, Junfa Mao

IEEE Transactions on Microwave Theory and Techniques, vol. 71, no. 1, pp. 71-82, 2023

Featured Article of IEEE MTT-S Newsletter July 2022

An In-Vehicle Occupant Detection Technique Based on a 60 GHz FMCW MIMO Radar

Yuchen Li, Changzhan Gu, Junfa Mao

2022 IEEE MTT-S International Wireless Symposium (IWS), pp. 1-3, 2022

4-D Gesture Sensing Using Reconfigurable Virtual Array Based on a 60-GHz FMCW MIMO Radar Sensor

Yuchen Li, Changzhan Gu, Junfa Mao

IEEE Transactions on Microwave Theory and Techniques, vol. 70, no. 7, pp. 3652-3665, 2022

Featured Article of IEEE MTT-S Newsletter June 2022

Solving Phase Ambiguity in Interferometric Displacement Measurement With Millimeter-Wave FMCW Radar Sensors

Jingtao Liu, Yuchen Li, Changzhan Gu

IEEE Sensors Journal, vol. 22, no. 9, pp. 8482-8489, 2022

Mitigation of Leakage and Stationary Clutters in Short-Range FMCW Radar With Hybrid Analog and Digital Compensation Technique

Jingtao Liu, Jingyun Lu, Yuchen Li, Changzhan Gu, Junfa Mao

IEEE Transactions on Microwave Theory and Techniques, vol. 70, no. 1, pp. 62-73, 2022

Radar-based vital signs monitoring

Jingtao Liu, Yuchen Li, Changzhan Gu

Contactless Vital Signs Monitoring, pp. 181-203, 2022

Gesture Interaction for Gaming Control Based on an Interferometric Radar

Yuchen Li, Jingyun Lu, Changzhan Gu, Xiaokang Yang

CAAI International Conference on Artificial Intelligence (CICAI 2022), Lecture Notes in Computer Science, pp. 605-609, 2022

Accurate Measurement of Human Vital Signs With Linear FMCW Radars Under Proximity Stationary Clutters

Jingtao Liu, Yuchen Li, Changzhi Li, Changzhan Gu, Jun-Fa Mao

IEEE Transactions on Biomedical Circuits and Systems, vol. 15, no. 6, pp. 1393-1404, 2021

Large Displacement Motion Interferometry With Modified Differentiate and Cross-Multiply Technique

Wei Xu, Yuchen Li, Changzhan Gu, Jun-Fa Mao

IEEE Transactions on Microwave Theory and Techniques, vol. 69, no. 11, pp. 4879-4890, 2021

A 4D Gesture Sensing Technique based on Spatiotemporal Detection with a 60 GHz FMCW MIMO Radar

Yuchen Li, Changzhan Gu, Jun-Fa Mao

2021 IEEE MTT-S International Microwave Symposium (IMS), pp. 462-465, 2021

Student Paper Competition Finalist

Audio Recovery via Noncontact Vibration Detection with 120 GHz Millimeter-Wave Radar Sensing

Li Wen, Yuchen Li, Yangtao Ye, Changzhan Gu, Jun-Fa Mao

2021 International Conference on Microwave and Millimeter Wave Technology (ICMMT), pp. 1-3, 2021

An Adaptive Kalman Filter based Digital Phase Detector for All Digital Phase-Locked Loop

Ke Wu, Chenyue Shi, Yuchen Li, Changzhan Gu, Jinjing

2021 IEEE MTT-S International Wireless Symposium (IWS), pp. 1-3, 2021

A Portable 5.8 GHz Radar Sensor with an Integreted Common-Aperture Single Antenna for Noncontact Physiological Monitoring

Fei Tong, Yuchen Li, Changzhan Gu, Jun-Fa Mao

2021 IEEE MTT-S International Wireless Symposium (IWS), pp. 1-3, 2021

基于小型化120GHz毫米波干涉雷达系统的手势识别

叶炀涛, 李予琛, 顾昌展, 毛军发

全国微波毫米波会议 (NCMMW), 南京, 2021