Google Scholar

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Publication List
Journals 

1.    X. Hui and E. C. Kan “NB-IoT sensor for opioid overdose emergency treatment nasal spray logistic management and deploy report,” pre-submission, 2021.
2.    X. Hui and E. C. Kan “The electromagnetic model of near-field coherent sensing,” pre-submission, 2021.
3.    Y. Zhang, X. Hui, T. Advait, N. F. Casazzone, J. B. Jerez, and E. C. Kan “Eye tracking with high angular precision and sampling rates using passive RF tags on contact lens,” under review, 2021
4.    X. Hui, J. Zhou and E. C. Kan “Wearable RF near-field cough monitoring by frequency-time deep learning,” under review, 2021. 
5.    X. Hui and E. C. Kan “Small signal analysis of near-field coherent sensing and vocal cord vibration detection,” IEEE Transactions on Microwave Theory and Techniques, vol. 69, pp. 1906–1916, 2021.
6.    G. Xu, P. Sharma, X. Hui and E. C. Kan “3D indoor device-free object detection by passive radio-frequency identification,” IEEE Transactions on Instrumentation & Measurement, vol. 70, 2021.
7.    P. Sharma, G. Xu, X. Hui, D. L. Hysell and E. C. Kan “Deep-learning based occupant counting by ambient RF sensing,” IEEE Sensors Journal, vol. 21, pp. 8564–8574, 2020.
8.    Z. Zhang, P. Sharma, J. Zhou, X. Hui and E. C. Kan “Furniture-integrated respiration sensors by notched transmission lines,” IEEE Sensor Journal, vol. 21, pp. 5303–5311, 2020.
9.    P. Sharma, X. Hui, J. Zhou, T. B. Conroy and E. C. Kan “Wearable radio-frequency sensing of respiratory rate, respiratory volume, and heart rate,” Nature Partner Journals Digital Medicine, vol. 3, pp. 1–10, 2020.
10.    X. Hui, J. Zhou and E. C. Kan “High-volume parallel mouse vital-sign monitoring with near-field coherent sensing,” IEEE Antennas and Wireless Propagation Letters, vol. 19, pp. 1152–1156, 2020.
11.    X. Hui and E. C. Kan “Multi-point near-field RF sensing of blood pressures and heartbeat dynamics,” IEEE Access, vol. 8, pp. 89935–89945, 2020.
12.    J. Zhou, P. Sharma, X. Hui and E. C. Kan “A wireless wearable RF sensor for brumation study of chelonians,” IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology, vol. 5, pp. 17–24, 2020.
13.    L. Lou, D. Shou, H. Park, D. Zhao, Y. S. Wu, X. Hui, R. Yang, E. C. Kan and J. Fan “Thermoelectric air conditioning undergarment for personal thermoregulation,” Energy and Buildings, vol. 226, pp. 110374, 2020.
14.    X. Hui and E. C. Kan “Radio ranging with ultrahigh resolution using a harmonic radio-frequency identification system,” Nature Electronics, vol. 2, pp. 125–131, 2019.
15.    X. Hui and E. C. Kan “No-touch measurements of vital signs in small conscious animals,” Science Advances, vol. 5, eaau0169, 2019.
16.    Y. Cao, X. Hui and E. C. Kan “An RF-to-DC rectifier based on tunable threshold diodes,” IEEE Journal of Radio Frequency Identification, vol. 3, pp. 173–182, 2019.
17.    X. Hui and E. C. Kan “Collaborative reader code division multiple access in the harmonic RFID system,” IEEE Journal of Radio Frequency Identification, vol. 2, pp. 86–92, 2018.
18.    X. Hui and E. C. Kan “Monitoring vital signs over multiplexed radio by near-field coherent sensing.” Nature Electronics, vol. 1, pp. 74–78, 2018. 
19.    X. Hui, Y. Ma and E. C. Kan “Code division multiple access in centimeter accuracy harmonic RFID locating systems,” IEEE Journal of Radio Frequency Identification, vol. 1, pp. 51–58, 2017.
20.    W. Zhang, S Zheng, X. Hui, et al. “Mode division multiplexing communication using microwave orbital angular momentum: an experimental study,” IEEE Transactions on Wireless Communications, vol. 16, pp. 1308–1318, 2017.
21.    X. Hui, et al. “Local topological charge analysis of electromagnetic vortex beam based on empirical mode decomposition,” Optics Express, vol. 24, pp. 5423–5430, 2016.
22.    W. Zhang, S Zheng, X. Hui, et al. “Four-OAM-mode antenna with traveling-wave ring-slot structure,” IEEE Antennas and Wireless Propagation Letters, vol. 16, pp. 194–197, 2016.
23.    Y. Chen, S. Zheng, Y. Li, X. Hui, et al. “A flat-lensed spiral phase plate based on phase-shifting surface for generation of millimeter-wave OAM beam,” IEEE Antennas and Wireless Propagation Letters, vol. 15, pp. 1156–1158, 2016.
24.    X. Hui, et al. “Multiplexed millimeter wave communication with dual orbital angular momentum (OAM) mode antennas,” Scientific Reports, vol. 5, pp. 1–9, 2015.
25.    X. Hui, et al. “Ultralow reflectivity spiral phase plate for generation of millimeter-wave OAM beam,” IEEE Antennas and Wireless Propagation Letters, vol. 14, pp. 966–969, 2015.
26.    S. Zheng, X. Hui, et al. “Transmission characteristics of a twisted radio wave based on circular traveling-wave antenna,” IEEE Transactions on Antennas and Propagation, vol. 63, pp. 1530–1536, 2015.
27.    S. Zheng, X. Hui, et al. “Orbital angular momentum mode-demultiplexing scheme with partial angular receiving aperture,” Optics Express, vol. 23, pp. 12251–12257, 2015.
28.    X. Hui, et al. “Hilbert–Huang transform time-frequency analysis phi-OTDR distributed sensor,” IEEE Photonics Technology Letters, vol. 26, pp. 2404–2406, 2014.
29.    X. Hui, et al. “Space-frequency analysis with parallel computing in a phase-sensitive optical time-domain reflectometer distributed sensor,” Applied Optics, vol.  53, pp. 6586–6590, 2014.
30.    X. Hui, et al. “Electro-optic modulator feedback control in phase-sensitive optical time-domain reflectometer distributed sensor,” Applied Optics, vol. 52, pp. 8581–8585, 2013.
Conferences
31.    X. Hui, P. Sharma and E. C. Kan “Microwave stethoscope for heart sound by near-field coherent sensing,” 2019 IEEE MTT-S International Microwave Symposium (IMS), 2019.
32.    X. Hui and E. C. Kan “Harmonic UHF RFID ranging with 50-micron accuracy and 1-kHz sampling rate,” 2019 IEEE International Conference on RFID, 2019.
33.    P. Sharma, X. Hui and E. C. Kan “A wearable RF sensor for monitoring respiratory patterns,” International Engineering in Medicine and Biology Conference, 2019 EMBC, 2019.
34.    X. Hui and E. C. Kan “Seat integration of RF vital-sign monitoring,” 2019 IEEE MTT-S International Microwave Biomedical Conference (IMBioC), 2019. (Best Student Paper Award)
35.    X. Hui and E. C. Kan “Accurate extraction of heartbeat intervals with near-field coherent sensing,” 2018 IEEE International Conference on Communications (ICC), 2018.
36.    X. Hui and E. C. Kan “Mitigation of body movement interference in near-field coherent sensing for heartrate monitoring,” 2018 IEEE International Conference on Wearable and Implantable Body Sensor Networks (BSN), 2018.
37.    X. Hui, Y. Ma and E. C. Kan “Real-time code-division multi-tag localization with centimeter accuracy,” 2017 IEEE International Conference on RFID, 2017.
38.    X. Hui, Y. Ma and E. C. Kan “Real-time 3D robotic arm tracking in indoor environment by RF nonlinear backscattering,” 2016 ACM S3, 2016.
39.    Y. Ma, X. Hui and E. C. Kan “3D real-time indoor localization via broadband nonlinear backscatter in passive devices with centimeter precision,” 2016 ACM MobiCom, New York City, 2016.
40.    Y. Ma, X. Hui and E. C. Kan “Harmonic-WISP: a passive broad band harmonic RFID platform,” 2016 IEEE MTT-S International Microwave Symposium (IMS), 2016.
41.    S. Zheng, X. Hui, et al. “Generation of OAM millimeter waves using traveling-wave circular slot antenna based on ring resonant cavity,” 2015 IEEE International Conference on Computational Electromagnetics (ICCEM), 2015.
42.    X. Hui, et al. “A real-time detection and self-control phase-sensitive OTDR distributed sensor system,” 2013 IEEE Photoics-S International Conference on Optical Communications and Networks, 2013.
Book Chapter
43.    X. Hui and E. C. Kan “Passive sensors for health monitoring,” in Encyclopedia of Sensors and Biosensors, Roger Narayan, Ed., Elsevier, in preparation, 2021 (invited).
 

Patent

U.S.  (Cornell)

  1. X. Hui and E. C. Kan “Multiple-input-multiple-output near-field coherent sensing for heartbeat dynamics.” (Submitted, Nov. 2019).

  2. X. Hui and E. C. Kan “Seat integration of RF vital-sign monitoring.” (Submitted, Jan. 2019).

  3. X. Hui and E. C. Kan “Microwave stethoscope for heart sound using near-field coherent sensing.” (Submitted, Jan. 2019).

  4. X. Hui and E. C. Kan “High spatial and temporal ranging resolution of passive RFID tags.” (Submitted, Sep. 2018).

  5. E. C. Kan and X. Hui “Collaborative RFID reader using code divisional multiple access (CDMA) and methods for same.” (Submitted, Aug. 2018).

  6. X. Hui and E. C. Kan “Methods and systems for in vivo electromagnetic near-field coherent sensing.” (US Patent App. 16/623,141).

China

  1. X. Hui, S. Zheng, X. Zhang, X. Jin and H. Chi, ZL201410539014.0 (Jan. 2017).

  2. Y. Chen, Y. Li, X. Hui, S. Zheng and X. Zhang, ZL201510654873.9 (Oct. 2017).