Book

Book Chapters

[5] Lina Ma, and Changzhan Gu, Chapter “Radar-based gesture sensing” for Book “Modern Radar for Automotive Applications,” ISBN: 978-1-83953-435-5, IET, 2022.

[4] 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.

[3] C. Gu, T. Y. Huang, C. Li and J. Lin, Chapter “Microwave and Millimeter-wave Radars for Vital Sign Monitoring” for Book “Radar for In-Door Monitoring: Detection, Localization, and Assessment,” ISBN: 9781498781985, CRC Press, 2017.

[2] C. Li, and C. Gu, Chapter “Physiological Radar Sensor Chip Development” for Book “Medical and Biological Microwave Sensors and Systems,” ISBN: 9781107056602, Cambridge University Press, 2017.

[1] L. Li, C. Gu, C. Li, and J. Lin, Chapter “Doppler Radar Noncontact Vital Sign Monitoring” for Book “Neural Computation, Neural Devices, and Neural Prosthesis,” Print ISBN: 978-1-4614-8150-8, Online ISBN: 978-1-4614-8151-5, Springer, 2014.

Refereed Journal Papers

[68] Shuqin Dong , and Changzhan Gu*, "A Reliable Framework for Contactless Velocity Cardiogram Detection With Interferometric Biomedical Radar," submitted to IEEE Transactions on Biomedical Engineering, 2024.

[67] Yuchen Li, Shuqin Dong, and Changzhan Gu*, "Feel Your Heartbeat Across Space: Radar-Based Cardiac Activity Monitoring for Healthcare Applications," Accepted by IEEE Microwave Magazine, 2024.

[66] Jingtao Liu, Fei Tong, and Changzhan Gu*, "Non-Contact Vital Sign Detection with High Noise and Clutter Immunity based on Coherent Low-IF CW Radar," Accepted by IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology, 2024.

[63] Fei Tong, Zhiwei Zhang and Changzhan Gu*, "A Dual-Phase-Locked-Loop Single-Sideband Low-IF Radar with Asynchronous Bandpass Sampling for Precise Displacement Motion Detection," Accepted by IEEE Transactions on Microwave Theory and Techniques, 2024.

[62] Shuqin Dong, Li Wen, Yangtao Ye, Zhi Zhang, Yi Wang, Zhiwei Liu, Qing Cao, Yuchen Xu, Changzhi Li, Changzhan Gu*, "A Review on Recent Advancements of Biomedical Radar for Clinical Applications," IEEE Open Journal of Engineering in Medicine and Biology, vol. 5, pp. 707-724, 2024.

[61] Yuchen Li, Changzhan Gu*, and Junfa 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.

[60] Zhiwei Zhang, Jiayu Zhang, Jingtao Liu and Changzhan Gu*, "Enhanced Motion Sensing With FMCW Radar Based on a Novel Frequency-Reconfigurable Technique," IEEE Transactions on Microwave Theory and Techniques, doi: 10.1109/TMTT.2024.3383667, 2024.

[59] Shuqin Dong, Yuchen Li, Changzhan Gu*, and Junfa Mao, " Robust Cardiac Timing Detection Technique with Vectors Analytic Demodulation in Doppler Cardiogram Sensing," IEEE Transactions on Microwave Theory and Techniques, vol. 72, no. 8, pp. 4866-6877, August 2024.

[58] Jiayu Zhang, Zhiwei Zhang, Yuchen Li, Changzhan Gu*, and Junfa 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.

[57] Shuqin Dong, Li wen, Yuchen Li, Jingyun Lu, Zhi Zhang, Chengmei Yuan, Changzhan Gu*, and Junfa 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.

[56] Lina Ma, Zijiang Shao, Jun Lai, Changzhan Gu*, and Junfa Mao, "Bandwidth Enhancement of H-Plane MIMO Patch Antennas in Integrated Sensing and Communication Applications," IEEE Open Journal of Antennas and Propagation, vol. 5, no. 1, pp. 90-103, Feb. 2024.

[55] Li Wen, Shuqin Dong, Yi Wang, Changzhan Gu*, Zheng Tang, Zhiwei Liu, and Junfa Mao, "Noncontact Infant Apnea Detection for Hypoxia Prevention With a K-Band Biomedical Radar," IEEE Transactions on Biomedical Engineering, vol. 71, no. 3, pp. 1022-1032, March 2024.

[54] Lina Ma, Zesheng Zhang, Jingyun Lu, Changzhan Gu*, and Junfa Mao, "A Miniaturized Millimeter-Wave Radar Sensing Microsystem With High Isolation Full-Duplex Microstrip Patch Antenna," IEEE Microwave and Wireless Technology Letters, vol. 33, no. 10, pp. 1509-1512, Oct. 2023.

[53] Lina Ma, Zijian Shao, Jun Lai, Changzhan Gu*, and Junfa Mao, "A Compact Dual-Decoupling Scheme for Aperture-Coupled and Probe-fed Closely-Spaced Wideband Microstrip Antennas," IEEE Transactions on Antennas and Propagation, vol. 71, no. 11, pp. 9072-9077, Nov. 2023.

[52] Lina Ma, Jun Lai, Yuhang Yin, Chenhui Xia, Changzhan Gu*, and Junfa Mao, "A Wideband Co-Linearly Polarized Full-duplex Antenna-in-Package (AiP) with High Isolation for Integrated Sensing and Communication," IEEE Antennas Wireless Propagation Letters, vol. 22, no. 9, pp. 2185-2189, Sept. 2023.

[51] 卢旭阳，毛军发*，吴林晟*，顾昌展，韩充，周亮，邱良丰，史丽云，唐旻, "太赫兹射频器件与集成技术研究," 太赫兹科学与电子信息学报, 2023;第21卷;第4期;P393-436.

[50] Zihao Chen, Wei Xu, Shuqin Dong, Ruyu Ma*, Changzhan Gu*, and Xiuyin Zhang, "Radar Sensing of Displacement Motions with High Robustness against Additive Noise," IEEE Transactions on Microwave Theory and Techniques, vol. 71, no. 8, pp. 3678-3690, Aug. 2023.

[49] Changzhan Gu, Zesheng Zhang*, Jingtao Liu*, and Junfa Mao, "Characterization of the Frequency Ramp Nonlinearity Impact on the Range Estimation Accuracy and Resolution in LFMCW Radars," IEEE Transactions on Instrumentation and Measurement, vol. 72, pp. 1-12, June 2023.

[48] Wei Xu, Shuqin Dong, Changzhan Gu*, and Junfa Mao, "A Novel Calibration-Free Motion Sensing Technique with Single-Channel Interferometric Radars," IEEE Transactions on Microwave Theory and Techniques, vol. 71, no. 1, pp. 446-455, Jan. 2023.

[47] Fei Tong, Jingtao Liu, Changzhi Li, Changzhan Gu*, and Junfa Mao, "A Low-IF Doppler Radar with Asynchronous Bandpass Sampling for Accurate Measurement of Displacement Motions," IEEE Transactions on Microwave Theory and Techniques, vol. 71, no. 1, pp. 456-465, Jan. 2023.

[46] Lina Ma, Changzhan Gu*, and Jun-Fa Mao,"A Wideband Dual Circularly Polarized, Simultaneous Transmit and Receive (STAR) Antenna Array for Integrated Sensing and Communication," IEEE Internet of Things Journal, vol. 10, no. 7, pp. 6367–6376, Apr. 2023.

[45] 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.（Featured Article of IEEE MTT-S Newsletter July 2022）.

[44] 马丽娜, 顾昌展*, 周凌云, 毛军发, “基于分形超表面的小型化宽带高透射率平面透镜天线,” 电子学报, 2022, 50(12): 3003-3013. .

[43] Zhehao Yu, Xuyang Lu, Changzhan Gu, Suresh Venkatesh and Junfa Mao, "mmWave Spatial-Temporal Single Harmonic Switching Transmitter Arrays for High back-off Beamforming Efficiency," IEEE Transactions on Antennas and Propagation, vol. 70, no. 9, pp. 8122-8136, Sept. 2022.

[42] Jingyun Lu, Lina Ma, Changzhan Gu*, and Jun-Fa Mao, "A High-Isolation Duplexer with Mismatched Load Impedance for Integrated Sensing and Communication," IEEE Microwave and Wireless Components Letters, vol. 32, no. 9, pp. 1127-1130, Sept. 2022.

[41] 刘劲涛, 张泽生, 顾昌展*, 毛军发, "基于微型化FMCW雷达的抗振乘员健康监测," 雷达科学与技术, 2022, 20(4): 391-396.

[40] 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.（Featured Article of IEEE MTT-S Newsletter June 2022）.

[39] Jingyun Lu, Zijian Shao, Changzhi Li, Changzhan Gu*, and Jun-Fa Mao, "A Portable 5.8 GHz Dual Circularly Polarized Interferometric Radar Sensor for Short-Range Motion Sensing," IEEE Transactions on Antennas and Propagation, vol. 70, no. 7, pp. 5849-5859, July 2022.

[38] Wei Xu, Changzhan Gu*, Jun-Fa Mao, "Interferometric Motion Sensing with a Single-Channel Radar Sensor Based on a Novel Calibration-Free Phase Demodulation Technique," IEEE Microwave and Wireless Components Letters, vol. 32, no. 6, pp. 807-810, June 2022. (selected as Top50 Papers of 2022 IEEE International Microwave Symposium (IMS), converted to MWCL).

[37] Shuqin Dong, Zhi Zhang, Changzhan Gu*, Jun-Fa Mao, "Contactless Measurement of Human Systolic Time Intervals based on Differential Doppler Cardiogram in Clinical Environment," IEEE Microwave and Wireless Components Letters, vol. 32, no. 6, pp. 796-799, June 2022. (selected as Top50 Papers of 2022 IEEE International Microwave Symposium (IMS), converted to MWCL).

[36] 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, vol. 22, no. 9, pp. 8482-8489, May 1, 2022.

[35] Li Wen, Yue Gao, Changzhan Gu*, and Junfa Mao, "PhysioChair: A Dual-Frequency Radar System for Noninvasive and Continuous Detection of Physiological Signatures," IEEE Sensors Journal, vol. 22, no. 8, pp. 8224-8233, April, 2022.

[34] Yifan Lu, Fei Tong, Changzhan Gu*, Lin-Sheng Wu*, and Jun-Fa Mao, "A Near-field Motion Detection Technique Based on a Resonant Magnetic Probe," IEEE Sensors Letters, vol. 6, no. 4, pp. 1-4, April 2022.

[33] Jingtao Liu, Changzhan Gu*, and Jun-Fa Mao, "DC-Independent High-Linear Motion Sensing based on a Novel ACAA Algorithm," IEEE Microwave and Wireless Components Letters, vol. 32, no. 3, pp. 261-264, March 2022.

[32] 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.

[31] 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.

[30] 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.

[29] Y. Xiong, S. Li, C. Gu, G. Meng, and Z. Peng,"Millimeter-Wave Bat for Mapping and Quantifying Micromotions in Full Field of View," Research, Vol.2021, Article ID 9787484, 13 pages, 2021. https://doi.org/10.34133/2021/9787484.

[28] D.V.Q. Rodrigues, D. Zuo, Z. Tang, J. Wang, C. Gu, and C. Li,"Adaptive Displacement Calibration Strategies for Field Structural Health Monitoring Based on Doppler Radars," IEEE Transactions on Instrumentation & Measurement, Vol.69, No.10, October 2020.

[27] Y. Xiong, Z. Peng, C. Gu, S. Li, D. Wang, W. Zhang, “Differential Enhancement Method for Robust and Accurate Heart Rate Monitoring via Microwave Vital Sign Sensing,” IEEE Transactions on Instrumentation & Measurement, Vol.69, No.9, September 2020.

[26] Jingtao Liu, Changzhan Gu*, Yueping Zhang, Jun-Fa Mao, “Analysis on a 77 GHz MIMO Radar for Touchless Gesture Sensing,” IEEE Sensors Letters, Vol.4, No.5, May 2020.

[25] Y. He, C. Gu, H. Ma, J. Zhu, G. V. Eleftheriades, “Miniaturized Circularly Polarized Doppler Radar for Human Vital Sign Detection,” IEEE Transactions on Antennas and Propagation, Vol.6, No.11, November 2019.

[24] C. Gu, Y. He, J. Zhu, “Noncontact Vital Sensing With a Miniaturized 2.4 GHz Circularly Polarized Doppler Radar,” IEEE Sensors Letters, Vol. 3 , No. 7 , July 2019.

[23] C. Gu, J. Wang, J. Lien, “Motion Sensing Using Radar: Gesture Interaction and Beyond,” IEEE Microwave Magazine, Vol. 20, No. 8, August 2019.

[22] C. Gu, and J. Lien, “A Two-Tone Radar Sensor for Concurrent Detection of Absolute Distance and Relative Movement for Gesture Sensing,” IEEE Sensors Letters, Vol. 1, No. 3, June 2017.

[21] C. Gu, “Short-Range Noncontact Sensors for Healthcare and Other Emerging Applications: A Review,” Sensors, 2016, 16(8): 1169.

[20] F. Lin, Y. Zhuang, C. Song, A. Wang, Y. Li, C. Gu, C. Li, and W. Xu, “SleepSense: A Noncontact and Cost-effective Sleep Monitoring System”, IEEE Transactions on Biomedical Circuits and Systems, vol. pp, no. 99, pp. 1-14, July 2016.

[19] C. Gu, Z. Peng and C. Li, “High-Precision Motion Detection Using Low-Complexity Doppler Radar with Digital Post-Distortion Technique,” IEEE Transactions on Microwave Theory and Techniques, vol. 64, no. 3, pp. 961-971, March 2016.

[18] M. C. Huang, J. J. Liu, W. Xu, C. Gu, C. Li, and M. Sarrafzadeh, “A Self-Calibrating Radar Sensor System Design for Measuring Vital Signs,” IEEE Transactions on Biomedical Circuits and Systems, vol. 10, no. 2, pp. 352-363, April 2016.

[17] J.-M. Muñoz-Ferreras, R. Gómez-García, G. Wang, C. Gu, and C. Li, “Isolate the Clutter: Pure and Hybrid Linear-Frequency-Modulated Continuous-Wave (LFMCW) Radars for Indoor Applications,” IEEE Microwave Magazine, vol. 16, no. 4, pp. 40-54, May 2015.

[16] C. Gu, and C.Li,“Assessment of Human Respiration Patterns via Noncontact Sensing Using Doppler Multi-Radar System,” Sensors, 2015, 15(3), pp. 6383-6398.

[15] S. Guan, J. Rice, C. Li, and C. Gu, “Advanced DC Offset Calibration Strategy for Structural Health Monitoring Based on Portable CW Radar Sensor,” IEEE Transactions on Instrumentation and Measurement, vol. 63, no. 12, pp. 3111-3118, December 2014.

[14] C. Gu, W. Xu, G. Wang, T. Inoue, J. Rice, L. Ran, and C. Li, “Noncontact Large-Scale Displacement Tracking: Doppler Radar for Water Level Gauging,” IEEE Microwave and Wireless Components Letters, vol. 24, no. 12, pp. 899-901, November 2014.

[13] G. Wang, C. Gu, T. Inoue, and C. Li, “A Hybrid FMCW-Interferometry Radar for Indoor Precise Positioning and Versatile Life Activity Monitoring,” IEEE Transactions on Microwave Theory and Techniques, vol. 62, no. 11, pp. 2812-2822, November 2014.

[12] Y. Yang, C. Gu, Y.Li, R. Gale, and C. Li, “Doppler Radar Motion Sensor with CMOS Digital DC-Tuning VGA and Inverter-Based Sigma-Delta Modulator,” IEEE Transactions on Instrumentation and Measurement, vol. 63, no. 11, pp. 2666-2674, November 2014.

[11] C. Gu, and C. Li, “From Tumor Targeting to Speech Monitoring: Accurate Respiratory Monitoring Using Medical Continuous-Wave Radar Sensors,” IEEE Microwave Magazine, vol. 15, no. 4, pp. 66-76, June 2014.

[10] G. Wang, J. Munoz, C. Gu, C. Li, and R. Gomez-Garcia,“ApplicationofLinear-Frequency-Modulated Continuous-Wave (LFMCW) Radars for Tracking of Vital Signs,” IEEE Transactions on Microwave Theory and Techniques, vol.62, no.6, pp.1387-1399, June 2014.

[9] C. Gu, G. Wang, T. Inoue, and C. Li, “A Hybrid Radar Sensing System with Phase Compensation for Random Body Movement Cancellation in Doppler Vital Sign Detection,” IEEE Transactions on Microwave Theory and Techniques, vol. 61, no. 12, pp. 4678-4688, December 2013.

[8] C. Gu, T. Inoue and C. Li, “Analysis and Experiment on the Modulation Sensitivity of Doppler Radar Vibration Measurement,” IEEE Microwave and Wireless Components Letters, Vol. 23, No. 10, pp.566- 568, October 2013.

[7] C. Gu and C. Li, “Frequency-Selective Distortion in Continuous-Wave Radar Displacement Sensor,” Electronics Letters, Vol. 48, No. 23, pp.1495-1497, November 2012.

[6] W. Xu, C. Gu, C. Li, and M. Sarrafzadeh, “Robust Doppler radar demodulation via compressed sensing,” Electronics Letters, Vol. 48, No. 22, pp.1428-1430, October 2012.

[5] C. Gu, R. Li, R. Fung, C. Torres, S. Jiang, and C. Li, “Accurate Respiration Measurement using DC- Coupled Continuous-Wave Radar Sensor for Motion-adaptive Cancer Radiotherapy,” IEEE Transactions on Biomedical Engineering, Vol.59, No.11, pp.3117-3123, Nov. 2012.

[4] Z. Salmani, C. Gu, C. Li, H. Ren, “High Gain Fermi Antenna Array for Radar-Aided Radiotherapy System,” Microwave and Optical Technology Letters, vol. 54, no. 7, pp. 1649-1654, July 2012.

[3] C. Gu and C. Li, “DC coupled CW radar sensor using fine-tuning adaptive feedback loop,” Electronics Letters, Vol. 48, No. 6, pp.344-345, March 2012.

[2] C. Gu, C. Li, J. Long, J. Lin, and L. Ran, “Instrument-Based Non-Contact Doppler Radar Vital Sign Detection System Using Heterodyne Digital Quadrature Demodulation Architecture,” IEEE Transactions on Instrumentation and Measurement, Vol.59, No.6, pp.1580-1588, June 2010.

[1] H. Wang, C. Gu, M. Mu, W. Cui, W. Ma, and L. Ran,“DesignofLeakywaveCoaxialCableCompatible for Both 2G and 3G Wireless Communications,” Journal of Electromagnetic Waves and Applications, Vol. 22, pp. 731–740, 2008.

Refereed Conference Papers

[104] Yuchen Li, Jingyun Lu and Changzhan Gu*, 4D Vital Sign Detection Based on a 24GHz 2T4R MIMO Radar System,” IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP), Nanjing, China, 2024.（2nd Prize of Best Student Paper Award）

[103] Lina Ma, Changzhan Gu*, and Junfa Mao,“A Compact High Isolation Co-Linearly Polarized Microstrip Patch Antenna for Full-Duplex Integrated Sensing and Communication,” IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP), Nanjing, China, 2024.

[102] Yiyan Cao, Xuanmin Wang, Lina Ma, Yuchen Li, and Changzhan Gu*,“Multi-Target Tracking Algorithm Based on Super-precision Distance Estimation Method,” IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP), Nanjing, China, 2024.

[101] Xuanmin Wang, Yiyan Cao, Yuchen Li, and Changzhan Gu*,“A Novel Range Estimation Method based on MUSIC High-Resolution Profile,” IEEE International Applied Computational Electromagnetics Society Symposium (ACES-China), Xi'an, China, 2024.

[100] Lina Ma, Changzhan Gu*, and Junfa Mao,“A Compact Decoupling Method for Wideband Dual-Polarized Microstrip Patch Antenna Array,” IEEE International Applied Computational Electromagnetics Society Symposium (ACES-China), Xi'an, China, 2024.

[99] Jiayu Zhang, Zhiwei Zhang, Yuchen Li, Changzhan Gu*, and Junfa Mao,“Target Localization and Vital Signs Monitoring Based on Spatial-Temporal-Frequency Characteristics With Short-Range FMCW Radar,” IEEE International Applied Computational Electromagnetics Society Symposium (ACES-China), Xi'an, China, 2024.（1st Prize of Best Student Paper Award）

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

[97] Fei Tong, Keke Zheng, Changzhan Gu*,“Displacement Measurement Using a Single-Channel SSB Low-IF Radar with Synchronous Sampling,” 2024 International Conference on Microwave and Millimeter Wave Technology (ICMMT), Beijing, China, 2024.

[96] Jiayu Zhang, Zhiwei Zhang, Yuchen Li, Changzhan Gu*, and Junfa 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.

[95] 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.

[94] Wei Xu, Jingtao Liu, Changzhan Gu*, and Junfa Mao, “Analysis of the Impact of Phase Noise on Motion Interferometry with Microwave Radar Sensor,” 2024 IEEE MTT-S International Wireless Symposium (IWS), Beijing, China, 2024.

[93] Shuqin Dong, Li Wen, Yangtao Ye, Jing Zhang, and Changzhan Gu*,“Noncontact Sleep Apnea-hypopnea Events Detection Using a K-band Biomedical Radar,” 2024 IEEE MTT-S International Wireless Symposium (IWS), Beijing, China, 2024.

[92] 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. （MVC Competition Third Prize）

[91] 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）

[90] Keke Zheng, Yue WU, Wei Xu, Changzhan Gu* and Junfa Mao,“Accurate Representationof the Rolling Motion for the Self-Rolled-Up Inductor with Radar Interferometry,” IEEE MTT-S International Microwave Symposium (IMS),Washington, DC, USA, 2024.

[89] Zhiwei Zhang, Fei Tong, Jiayu Zhang and Changzhan Gu*,“A Cost-Effective Single-Channel Displacement Measurement Technique Without Down-Conversion Using Low-IF Doppler Radar,” Accepted by IEEE MTT-S International Microwave Symposium (IMS),Washington, DC, USA, 2024.

[88] Li Wen, Zhi Zhang, Jinliang Wang, Jiaqi Liu, Shuqin Dong, Changzhan Gu*, and Junfa Mao, “Enhancing Heart Failure Monitoring: Biomedical Radar-Based Detection of Cheyne-Stokes Respiration,” Accepted by IEEE Radio and Wireless Symposium (RWS), San Antonio, Texas, USA, 2024.

[87] Fei Tong, Jingtao Liu,Changzhan Gu*, and Junfa Mao, “Displacement Motion Sensing with Asynchronous Bandpass Sampling Using a Single-Channel Dual-PLL SSB low-IF Doppler Radar,” IEEE Radio and Wireless Symposium (RWS), San Antonio, Texas, USA, 2024.

[86] Lina Ma,Changzhan Gu*, and Jun-Fa Mao, “A Wideband Patch Antenna Array with Improved Isolation for Integrated Sensing and Communication,” IEEE Radio and Wireless Symposium (RWS), San Antonio, Texas, USA, 2024.(IEEE MTT-S Student Sponsorship Initiative Program)

[85] Shuqin Dong, Jingyun Lu, Yuchen Li, Lina Ma, Changzhan Gu*, and Jun-Fa Mao, “Accurate Noncontact Sleep Apnea-hypopnea Detection Using a K-band Biomedical Radar,” IEEE Asia-Pacific Microwave Conference (APMC), Taipei, Taiwan, 2023.

[84] Lina Ma, Jun Lai, Yuhang Yin, Chenhui Xia, Changzhan Gu*, Junfa Mao, “A Broadband Co-Linearly Polarized Full-duplex Antenna-in-Package (AiP) for Integrated Sensing and Communication,” IEEE International Symposium on Antennas and Propagation (AP-S), USA, July 2023.

[83] Jingtao Liu, Zesheng Zhang, Jingyun Lu, Yuchen Li, Changzhan Gu*, Junfa Mao, “A High-efficient and High-accurate Distance Measurement Technique Based on Phase Differentiation and Accumulation with FMCW radars,” IEEE MTT-S International Microwave Symposium (IMS), San Diego, Jun. 11-16, 2023.

[82] Wenjie Li, Yuchen Li, Jiayu Zhang, Shuqin Dong, Jingyun Lu, Changzhan Gu*, Junfa Mao, “A Feature-based Filtering Algorithm with 60GHz MIMO FMCW Radar for Indoor Detection and Trajectory Tracking,” IEEE MTT-S International Microwave Symposium (IMS), San Diego, Jun. 11-16, 2023.

[81] Li Wen, Shuqin Dong, Yi Wang, Changzhan Gu*, Zheng Tang, Zhiwei Liu, Junfa Mao, “Noncontact Monitoring of Infant Apnea for Hypoxia Prevention Using a K-band Biomedical Radar,” IEEE MTT-S International Microwave Symposium (IMS), San Diego, Jun. 11-16, 2023.

[80] Yuchen Li, Jingyun Lu, Shuqin Dong, Changzhan Gu*, Junfa Mao, “Temporal-Spatial Equivalent Virtual Array Technique for Accurate Vital Sign Monitoring,” IEEE MTT-S International Microwave Symposium (IMS), San Diego, Jun. 11-16, 2023.

[79] Shuqin Dong, Jingyun Lu, Yuchen Li, Caojun Ji, Jingxian Chen, Menghan Wang, Changzhan Gu*, Chengmei Yuan, Junfa Mao, “Accurate Fast Heartrate Detection based on Fourier Bessel Series Expansion Technique During Radar-based Sleep Monitor,” IEEE MTT-S International Microwave Symposium (IMS), San Diego, Jun. 11-16, 2023.

[78] Lina Ma, Changzhan Gu*, Junfa Mao, “A Compact Large-Scale Wideband Dual-Polarized Decoupled Patch Antenna Array for Integrated Sensing and Communication,” IEEE 11th Asia-Pacific Conference on Antennas and Propagation (APCAP), Guangzhou, China, 2023.(Honorable Mentions Award)

[77] Lina Ma, Changzhan Gu*, Junfa Mao, “A Simple Probe-fed Ultrawideband Patch Antenna with Annular Gap,” 2023 IEEE MTT-S International Wireless Symposium (IWS), Qingdao, China, May 2023.(Student Paper Competition Finalist)

[76] Zhiwei Zhang, Jiayu Zhang, Jingtao Liu, Changzhan Gu*, Junfa Mao, “Accurate Heart Rate Estimation Based on Multi-Channel CrossCorrelation with a 60-GHz FMCW Radar,” 2023 IEEE MTT-S International Wireless Symposium (IWS), Qingdao, China, May 2023.(IEEE Flash Competition Finalist)

[75] Jiayu Zhang, Yuchen Li, Wenjie Li, Zhiwei Zhang, Changzhan Gu*, Junfa 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, May 2023.(IEEE MVC Competition Finalist)

[74] Wenjie Li, Yuchen Li, Jiayu Zhang, Jingyun Lu, Changzhan Gu*, Junfa Mao, “A Receiver Reconfigurable Method for Indoor Human Detection with 60GHz MIMO FMCW Radar,” 2023 IEEE MTT-S International Wireless Symposium (IWS), Qingdao, China, May 2023.(IEEE MVC Competition Finalist)

[73] Shuqin Dong, Zhi Zhang, Yuchen Li, Jingyun Lu, Hao Wu, Changzhan Gu*, Junfa Mao, “COVID-SENSE: Radar-based Remote Respiratory Disorder Detection in Clinical Environment,” 2023 IEEE MTT-S International Wireless Symposium (IWS), Qingdao, China, May 2023. (FLASH Competition Best Paper Award)

[72] Jingtao Liu, Zesheng Zhang, Changzhan Gu*, Junfa Mao, “Beyond Field-of-View Detection Based on FMCW Radar Multi-Path Effect in Consumer Applications,” 2023 IEEE MTT-S International Wireless Symposium (IWS), Qingdao, China, May 2023. (MVC Competition Third Prize)

[71] Lina Ma, Changzhan Gu*, and Junfa Mao. " A Dual Circularly Polarized, Simultaneous Transmit and Receive (STAR) Common Aperture Antenna Array for Integrated Sensing and Communication", 2022 IEEE Conference on Antenna Measurements and Applications (CAMA)，Guangzhou, China, December, 2022.

[70] Shuqin Dong, Changzhan Gu*, and Jun-Fa Mao, “Contactless Cardiac RR Intervals Estimation in Radar-Based Cardiogram Detection,” Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, California, Oct. 30th - Nov 2nd, 2022.(Finalist of Best Student Paper Competition)

[69] Lina Ma, Changzhan Gu*, Jun-Fa Mao, “A High Isolation Dual-Linearly Polarized Ultra Thin Transparent Patch Antenna with Metal Mesh for Wearable Glasses,” IEEE 10th Asia-Pacific Conference on Antennas and Propagation (APCAP), Xiamen, China, September 2022.

[68] Li Wen, Shuqin Dong,  Changzhan Gu*, Jun-Fa Mao, “Antenna-in-Package Millimeter-Wave Sensor for Monitoring Heart Rate Variability,” IEEE 10th Asia-Pacific Conference on Antennas and Propagation (APCAP), Xiamen, China, September 2022.

[67] Shuqin Dong, Changzhan Gu*, Xiaokang Yang, “Contactless Cardiogram Reconstruction Based on the Wavelet Transform via Continuous-wave Radar,” CAAI International Conference on Artificial Intelligence (CICAI) , Beijing, China, August 2022. (Best Demo Runner-up Award)

[66] Yuchen Li, Jingyun Lu, Changzhan Gu*, Xiaokang Yang, “Gesture Interaction for Gaming Control Based on an Interferometric Radar,” CAAI International Conference on Artificial Intelligence (CICAI) , Beijing, China, August 2022.

[65] Shuqin Dong, Li Wen, Changzhan Gu*, Jun-Fa Mao, “Contactless Detection for Heart Sounds based on Doppler Radar Sensor,” 2022 IEEE MTT-S International Wireless Symposium (IWS), Harbin, China, August 2022. (FLASH Competition Best Paper Award)

[64] Yuchen Li, Changzhan Gu*, Jun-Fa Mao, “An In-Vehicle Occupant Detection Technique Based on a 60 GHz FMCW MIMO Radar,” 2022 IEEE MTT-S International Wireless Symposium (IWS), Harbin, China, August 2022.

[63] Lina Ma, Changzhan Gu*, Jun-Fa Mao, “Contactless Detection for Rat's Licking Using a Short-range Millimeter-Wave Radar Sensing,” 2022 IEEE MTT-S International Wireless Symposium (IWS), Harbin, China, August 2022.

[62] Jun Lai, Jingyun Lu, Changzhan Gu*, Jun-Fa Mao, “Non-Contact Vital Signs Monitoring of Cat Using Continuous-Wave Doppler Radar,” 2022 International Conference on Microwave and Millimeter Wave Technology (ICMMT), Harbin, China, August 2022. (Finalist of Best Student Paper Competition)

[61] Y. -S. Huang, X. Yang, L. Zhou, C. Gu and J.-F. Mao, “Long-range Vital Sign Monitoring by Using a W Band Heterogeneously Integrated FMCW Radar Sensor,” 2022 IEEE International Microwave Symposium (IMS), Denver, CO, June 2022.

[60] Jingtao Liu, Fei Tong, Changzhan Gu*, Jun-Fa Mao, “A Noise-Immune Motion Sensing Technique with Low-IF CW Radars,” 2022 IEEE International Microwave Symposium (IMS), Denver, CO, June 2022.

[59] Fei Tong, Jingtao Liu, Changzhan Gu*, Jun-Fa Mao, “Measurement of Displacement Motions based on Unsynchronized Bandpass Sampling with a Low-IF Doppler Radar,” 2022 IEEE International Microwave Symposium (IMS), Denver, CO, June 2022.

[58] Li Wen, Shuqin Dong, Zhi Zhang, Changzhan Gu*, Jun-Fa Mao, “Noninvasive Continuous Blood Pressure Monitoring Based on Wearable Radar Sensor with Preliminary Clinical Validation,” 2022 IEEE International Microwave Symposium (IMS), Denver, CO, June 2022.

[57] Zesheng Zhang, Jingtao Liu, Changzhan Gu*, Jun-Fa Mao, “Analysis and Experiments of the Impact of Frequency Ramp Nonlinearity on Range Resolution and Accuracy in LFMCW Radars,” 2022 IEEE International Microwave Symposium (IMS), Denver, CO, June 2022.

[56] Li Wen, Shuqin Dong, Changzhan Gu*, Junfa Mao, “A Compact Noncontact Heart Sound Sensor Based on Millimeter-Wave Radar,” 2022 IEEE International Microwave Biomedical Conference (IMBioC), Suzhou, China, May 2022.

[55] Lina Ma, Changzhan Gu*, Jun-Fa Mao, “High-Accuracy Contactless Detection of Eyes' Activities based on Short-range Radar Sensing,” 2022 IEEE International Microwave Biomedical Conference (IMBioC), Suzhou, China, May 2022.

[54] Yangtao Ye, Changzhan Gu*, Jun-Fa Mao, “A Novel Non-contact Drunkenness Monitoring Method based on 24-GHz Interferometric Radar System,” 2022 IEEE International Microwave Biomedical Conference (IMBioC), Suzhou, China, May 2022. (Best Student Paper Award)

[53] Shuqin Dong, Zhi Zhang, Changzhan Gu*, Jun-Fa Mao, “Doppler Cardiogram Detection in Clinical Environment,” 2022 IEEE International Microwave Biomedical Conference (IMBioC), Suzhou, China, May 2022.

[52] Shuqin Dong, Changzhan Gu*, Lixin Ran, Jun-Fa Mao, “Doppler Cardiogram Detection in the Presence of Respiration with a K-band Radar Sensor,” 2022 IEEE Radio and Wireless Symposium (RWS), Las Vegas, NV, January 2022.

[51] Yifan Lu, Li Wen, Changzhan Gu*, Ling-Shen Wu, Jun-Fa Mao, “A High-Sensitivity Magnetic-Field Resonant Probe Based on Embedded Stripline Structure,” IEEE Topical Conference on Wireless Sensors and Sensor Networks (WiSNeT), Las Vegas, NV, January 2022.

[50] Lina Ma, Changzhan Gu*, Jun-Fa Mao, “A Wideband Concurrently Dual-Circularly Polarized Simultaneous Transmit and Receive (STAR) Antenna,” 2021 IEEE International Symposium on Antennas and Propagation (AP-S), Singapore, 2021.

[49] 马丽娜, 顾昌展*, 毛军发, “近距雷达探测中收发共口径天线的分析,” 2021 全国天线年会, 宁波, 2021. (Student Paper Competition Finalist)

[48] Wei Xu, Changzhan Gu*, Jun-Fa Mao, “Deep Sub-Wavelength Millimeter-Wave Radar Interferometry with a Novel Ego-Motion based Calibration Technique,” IEEE International Microwave Symposium (IMS), Atlanta, GA, June 2021.

[47] 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)

[46] Jingtao Liu, Changzhan Gu*, Yueping Zhang, Jun-Fa Mao, “Phase Correction in Asynchronous FMCW Radar Systems for Accurate Noncontact Cardiopulmonary Monitoring,” IEEE International Microwave Symposium (IMS), Atlanta, GA, June 2021.

[45] 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.

[44] 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. (Best Student Paper Award)

[43] 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.

[42] Ke Wu, Chengyue Shi, Yuchen Li, Changzhan Gu, and Jin Jing, "An Adaptive Kalman Filter based Digital Phase Detector for All Digital Phase-Locked Loop," IEEE International Wireless Symposium (IWS), Nanjing, China, May 2021.

[41] Yifan Lu, Changzhan Gu*, Ling-Shen Wu, Jun-Fa Mao, "A 3-D Ray Tracing Model for Short-Range Radar Sensing of Hand Gestures", Asia-Pacific Microwave Conference (APMC), Hong Kong, China, November 2020.

[40] Jingtao Liu, Changzhan Gu*, Yue-Ping Zhang, Jun-Fa Mao, "Suppressing Coupling and Stationary Clutters in FMCW Radars with Temporal Filtering", Asia-Pacific Microwave Conference (APMC), Hong Kong, China, November 2020.

[39] Songxu Li, Yuyong Xiong, Zesheng Ren, Changzhan Gu, Zhike Peng, "Ultra-micro Vibration Measurement Method Using CW Doppler Radar," 2020 International Conference on Sensing, Measurement & Data Analytics in the era of Artificial Intelligence (ICSMD), Xi'an, China, October 2020.

[38] Jingtao Liu, Changzhan Gu*, Yue-Ping Zhang, Jun-Fa Mao, "A 77 GHz FMCW Radar System for Versatile Consumer Applications", IEEE International Wireless Symposium (IWS), Shanghai, China, September 2020.

[37] Jingyun Lu, Changzhan Gu*, Jun-Fa Mao, "A 5.8 GHz ISM Band Single Antenna with Coupling Structure for Full-Duplex Doppler Radar Sensing", IEEE International Wireless Symposium (IWS), Shanghai, China, September 2020.

[36] Li Wen, Changzhan Gu*, Jun-Fa Mao, “Silent Speech Recognition based on Short-Range Millimeter-Wave Sensing,” IEEE International Microwave Symposium (IMS), Los Angeles, CA, June 2020.

[35] Wei Xu, Changzhan Gu*, Jun-Fa Mao, “Noncontact High-Linear Motion Sensing Based on A Modified Differentiate and Cross-Multiply Algorithm,” IEEE International Microwave Symposium (IMS), Los Angeles, CA, June 2020. (Student Paper Competition Finalist)

[34] C. Gu, J. Wang, J. Lien, “Deep Neural Network based Random Body Movement Cancellation for Doppler Radar Vital Sign Detection,” IEEE MTT-S International Wireless Symposium (IWS), Guangzhou, China, May 2019.

[33] Y. Zhang, C. Song, A. Wang, Y. Li, C. Gu, C. Li, W. Xu, “SleepSense: Non-invasive sleep event recognition using an electromagnetic probe,” IEEE International Conference on Wearable and Implantable Body Sensor Networks (BSN), Cambridge, MA, June 2015.

[32] C. Gu, and C. Li, “A Digital Post-Distortion Technique for Noncontact Accurate Movement Measurement Using Interferometric Radar,” IEEE MTT-S International Microwave Symposium (IMS), Phoenix, AZ, May 2015.

[31] C. Liu, C. Gu, and C. Li, “Non-contact Hand Interaction with Smart Phones Using the Wireless Power Transfer Features,” IEEE Radio and Wireless Symposium (RWS), San Diego, CA, January 2015.

[30] Y. Li, C. Gu, T. Nikoubin, and C. Li, “Wireless Radar Devices for Smart Human-Computer Interaction,” IEEE 57th International Midwest Symposium on Circuits and Systems (MWSCAS), College Station, TX, August 2014.

[29] G. Wang, J. Munoz-Ferreras, C. Gu, C. Li, and R. Gomez-Garcia, “Linear-Frequency-Modulated Continuous-Wave Radar for Vital-Sign Monitoring,” IEEE Topical Conference on Wireless Sensors and Sensor Networks (WiSNet), Newport Beach, CA, January 2014.

[28] S. Banerjee, C. Gu, and C. Li, “PXI-based Non-Contact Vital Sign Detection System,” IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS), Newport Beach, CA, January 2014. (Best Student Paper Award, 2nd place)

[27] Y. Li, G. Wang, C. Gu, and C. Li, “Movement-Immune Respiration Monitoring Using Automatic DC-Correction Algorithm for CW Doppler Radar System,” IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS), Newport Beach, CA, January 2014. (Best Student Paper Award)

[26] C. Gu, G. Wang, T. Inoue, and C. Li, “Doppler Radar Vital Sign Detection with Random Body Movement Cancellation based on Adaptive Phase Compensation,” IEEE MTT-S International Microwave Symposium (IMS), Seattle WA, June 2013.

[25] G. Wang, C. Gu, and C. Li, "Hybrid FMCW-Interferometry Radar System in the 5.8GHz ISM bandfor Indoor Precise Position and Motion Detection," IEEE MTT-S International Microwave Symposium (IMS), Seattle WA, June 2013.

[24] Shanyue Guan, Jennifer A. Rice, Changzh Li, Changzhan Gu, "Simulation Analysis and Experimental Performance of a Radar Sensor Network for Distributed Bridge Monitoring," Proceedings of SPIE - The International Society for Optical Engineering, April 2013.

[23] Shanyue Guan, Jennifer A. Rice, Changzh Li, Guochao Wang, Changzhan Gu, "Performance Of Continuous Wave Radar For Low Frequency Vibration and Static Deflection Testing," The 6th International Conference on Structural Health Monitoring of Intelligent Infrastructure, Hong Kong, 9‐11 December 2013.

[22] C. Gu and C. Li, “Distortion Analysis of Continuous-Wave Radar Sensor for Complete Respiration Pattern Monitoring,” IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS), Austin TX, January 2013. (Best Student Paper Award)

[21] G. Wang, C. Gu, J. A. Rice, T. Inoue, and C. Li, “Highly Accurate Noncontact Water Level Monitoring using Continuous-Wave Doppler Radar,” IEEE Topical Conference on Wireless Sensors and Sensor Networks (WiSNet), Austin TX, January 2013.

[20] J. A. Rice, C. Gu, C. Li and S. Guan, “A radar-based sensor network for bridge displacement measurements,” 2012 SPIE Smart Structures/NDE.

[19] H. Ren, J. Shao, B. Arigong, and H. Zhang, C. Gu, C. Li, “Application of Phased Array Antenna for Radar Respiration Measurement,” IEEE International Symposium on Antennas and Propagation, July 8-14, Chicago, IL, 2012.

[18] C. Gu, G. Wang, J. A. Rice, and C. Li, “Interferometric Radar Sensor with Active Transponders for Signal Boosting and Clutter Rejection in Structural Health Monitoring,” IEEE MTT-S International Microwave Symposium (IMS), Montreal, Canada, June 2012.

[17] G. Wang, S. Rodriguez, C. Gu, J. Lin, C. Li, “Non-Contact Measurment of Rotational Movement Using Miniature Doppler Radar,” IEEE Wireless and Microwave Technology Conference, Cocoa Beach FL, April 2012.

[16] Y. Yang, C. Gu, R. Gale, J. Chen, and C. Li, “DC-Coupled Doppler Radar Sensor with Software-Configured Fine-Tuning Architectures for Precise Monitoring of Complex Motion Patterns,” IEEE Wireless and Microwave Technology Conference, Cocoa Beach FL, April 2012. (Best Conference Paper Award)

[15] Z. Salmani, C. Gu, H. Ren, C. Li, and H. Zhang, “Application of Fermi-Antenna Array for Radar Respiration Measurement,” IEEE International Workshop on Antenna Technology, Tucson AZ, March 2012.

[14] C. Gu, Z. Salmani, H. Zhang, and C. Li, “Antenna Array Technology for Radar Respiration Measurement in Motion-adaptive Lung Cancer Radiotherapy,” IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS), Santa Clara CA, January 2012. (Best Student Paper Award)

[13] C. Gu, J. A. Rice, and C. Li, “A Wireless Smart Sensor Network based on Multi-function Interferometric Radar Sensors for Structural Health Monitoring,” IEEE Topical Conference on Wireless Sensors and Sensor Networks (WiSNet), Santa Clara CA, January 2012.

[12] C. Gu, R. Li, C. Li, and S. B Jiang, “Radar Sensor based Accurate Tumor Tracking for Respiratory- Gated Lung Cancer Radiotherapy,” International Workshop on Structure Health Monitoring, Stanford University, Standford, CA, September 2011.

[11] C. Gu, R. Li, S. B. Jiang, and C. Li, “A Multi-Radar System for Respiratory Gating and Accurate Tumor Tracking in Lung Cancer Radiotherapy,” IEEE Engineering in Medicine and Biology Society Annual International Conference (EMBC), Boston, August 2011.

[10] Y. Yang, D.M.Binkley, L. Lu, C. Gu, and C. Li,“All-CMOS Subbandgap Reference Circuit Operating at Low Supply Voltage,” IEEE International Symposium on Circuits and Systems, Rio de Janeiro, Brazil, May 2011.

[9] C. Li, C. Gu, R. Li, and S. B Jiang, “Radar Motion Sensing for Accurate Tumor Tracking in Radiation Therapy,” IEEE Wireless and Microwave Technology Conference, Clearwater FL, April 2011. (Best Paper Award)

[8] J. A. Rice, C. Li, C. Gu, J. C. Hernandez, “A wireless multifunctional radar-based displacement sensor for structural health monitoring,” SPIE Smart Structures/NDE, San Diego CA, Mar. 7-10, 2011.

[7] C. Gu, R. Li, C. Li, and S .B. Jiang,“Doppler Radar Respiration Measurement for Gated Lung Cancer Radiotherapy,” IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS), Phoenix AZ, Jan. 2011. (Best Student Paper Award)

[6] C. Gu, J. Long, J. Huangfu, S. Qiao, W.Z. Cui, W.Ma, L. Ran,“An Instruments-built Doppler Radar for Sensing Vital Signs,” IEEE International Symposium on Antennas, Propagation & EM Theory, Kunming, China, Nov. 2008.

[5] J. Long, C. Gu, Y. Tao, J. Huangfu, S. Qiao, W. Z. Cui, W. Ma, L. Ran, “A novel direct-conversion structure for non-contact vital sign detection system,” IEEE International Symposium on Antennas, Propagation & EM Theory, Kunming, China, November 2008.

[4] C. Gu, S. Qiao, W. Cui, W. Ma, J. Huangfu, L.Ran,“DDS based Radar Signal Generator for Microwave Remote Sensing,” Progress in Electromagnetics Research Symposium, Hangzhou, China, March 2008.

[3] C. Gu, S. Qiao, W. Ma, J. Huangfu, L. Ran, “Channel Arrangement in Multi-reader RFID System,” IET Intl. Communication Conference on Wireless Mobile & Sensor Networks, Shanghai, Dec. 2007.

[2] S. Wang, C. Gu, S. Qiao, J. Huangfu, L. Ran, “Design for The Reader of UHF Radio Frequency Identification,” IET Intl. Communication Conference on Wireless Mobile & Sensor Networks, Shanghai China, Dec. 2007.

[1] C. Gu, J. Huangfu, L. Ran, “A System Design for The Reader of Microwave Radio Frequency Identification,” Progress in Electromagnetics Research Symposium, Beijing, China, March 2007.

Patent / Invention

China Patents

15 China Patents (10 Granted)

US Patents

15 US Patents (11 Granted).