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

doi:10.1109/RFIC.2015.7337698

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

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

9 Citations (Scopus)

Abstract

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.

Original language	English
Title of host publication	Proceedings of the 2015 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2015
Editors	Domine Leenaerts
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	35-38
Number of pages	4
ISBN (Electronic)	9781479976416
DOIs	https://doi.org/10.1109/RFIC.2015.7337698
Publication status	Published - 2015 Nov 25
Event	IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2015 - Phoenix, United States Duration: 2015 May 17 → 2015 May 19

Publication series

Name	Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium
Volume	2015-November
ISSN (Print)	1529-2517

Other

Other	IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2015
Country/Territory	United States
City	Phoenix
Period	15-05-17 → 15-05-19

All Science Journal Classification (ASJC) codes

Engineering(all)

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1109/RFIC.2015.7337698

Cite this

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. In D. Leenaerts (Ed.), Proceedings of the 2015 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2015 (pp. 35-38). [7337698] (Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium; Vol. 2015-November). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/RFIC.2015.7337698

Kuo, Hsin Chih ; Chou, Chien Chang ; Lin, Chien Chih ; Yu, Chun Han ; Huang, Tzuen Hsi ; Chuang, Huey Ru. / A 60-GHz CMOS direct-conversion Doppler radar RF sensor with clutter canceller for single-antenna noncontact human vital-signs detection. Proceedings of the 2015 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2015. editor / Domine Leenaerts. Institute of Electrical and Electronics Engineers Inc., 2015. pp. 35-38 (Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium).

@inproceedings{1f3d92097c88465f9c9ab8a5077d26f6,

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

abstract = "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.",

author = "Kuo, {Hsin Chih} and Chou, {Chien Chang} and Lin, {Chien Chih} and Yu, {Chun Han} and Huang, {Tzuen Hsi} and Chuang, {Huey Ru}",

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editor = "Domine Leenaerts",

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Kuo, HC, Chou, CC, Lin, CC, Yu, CH, Huang, TH & Chuang, HR 2015, A 60-GHz CMOS direct-conversion Doppler radar RF sensor with clutter canceller for single-antenna noncontact human vital-signs detection. in D Leenaerts (ed.), Proceedings of the 2015 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2015., 7337698, Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium, vol. 2015-November, Institute of Electrical and Electronics Engineers Inc., pp. 35-38, IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2015, Phoenix, United States, 15-05-17. https://doi.org/10.1109/RFIC.2015.7337698

A 60-GHz CMOS direct-conversion Doppler radar RF sensor with clutter canceller for single-antenna noncontact human vital-signs detection. / Kuo, Hsin Chih; Chou, Chien Chang; Lin, Chien Chih; Yu, Chun Han; Huang, Tzuen Hsi ; Chuang, Huey Ru.

Proceedings of the 2015 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2015. ed. / Domine Leenaerts. Institute of Electrical and Electronics Engineers Inc., 2015. p. 35-38 7337698 (Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium; Vol. 2015-November).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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AU - Kuo, Hsin Chih

AU - Chou, Chien Chang

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AU - Yu, Chun Han

AU - Huang, Tzuen Hsi

AU - Chuang, Huey Ru

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N2 - 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.

AB - 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.

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Kuo HC, Chou CC, Lin CC, Yu CH, Huang TH , Chuang HR. A 60-GHz CMOS direct-conversion Doppler radar RF sensor with clutter canceller for single-antenna noncontact human vital-signs detection. In Leenaerts D, editor, Proceedings of the 2015 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2015. Institute of Electrical and Electronics Engineers Inc. 2015. p. 35-38. 7337698. (Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium). https://doi.org/10.1109/RFIC.2015.7337698

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

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