A 60-GHz CMOS direct-conversion Doppler radar RF sensor with clutter canceller for single-antenna noncontact human vital-signs detection

Hsin Chih Kuo, Chien Chang Chou, Chien Chih Lin, Chun Han Yu, Tzuen Hsi Huang, Huey Ru Chuang

研究成果: Conference contribution

5 引文 斯高帕斯(Scopus)

摘要

This paper presents a 60-GHz CMOS direct-conversion Doppler radar RF sensor with a quasi-circulator (QC) and a clutter canceller circuit for single-antenna noncontact human vital-signs detection. A high isolation QC is designed to provide better detection sensitivity for the tiny vital-signs detection for the single-antenna Doppler radar architecture. The clutter canceller performs cancellation for the transmitting leakage power from the circulator and the background reflection clutter to enhance the detection sensitivity of weak vital signals. The measurement shows that the total transmitting power is 3 dBm while the conversion gain of the sub-harmonic receiver is 10.5 dB. In the human vital-signs detection measurement, at a distance of 75 cm, the detected heartbeat (1-1.3 Hz) and respiratory (0.35-0.45 Hz) signals can be clearly observed. The RF sensor is fabricated in 90-nm technology with a chip size of 2 mm × 2 mm and a consuming power of 217 mW. The presented CMOS vital-signs Doppler radar RF sensor will be very useful for the wireless remote physiological monitoring healthcare system and the tiny vibrations detection applications.

原文English
主出版物標題Proceedings of the 2015 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2015
編輯Domine Leenaerts
發行者Institute of Electrical and Electronics Engineers Inc.
頁面35-38
頁數4
ISBN(電子)9781479976416
DOIs
出版狀態Published - 2015 十一月 25
事件IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2015 - Phoenix, United States
持續時間: 2015 五月 172015 五月 19

出版系列

名字Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium
2015-November
ISSN(列印)1529-2517

Other

OtherIEEE Radio Frequency Integrated Circuits Symposium, RFIC 2015
國家United States
城市Phoenix
期間15-05-1715-05-19

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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  • 引用此

    Kuo, H. C., Chou, C. C., Lin, C. C., Yu, C. H., Huang, T. H., & Chuang, H. R. (2015). A 60-GHz CMOS direct-conversion Doppler radar RF sensor with clutter canceller for single-antenna noncontact human vital-signs detection. 於 D. Leenaerts (編輯), Proceedings of the 2015 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2015 (頁 35-38). [7337698] (Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium; 卷 2015-November). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/RFIC.2015.7337698