Instrument-based noncontact doppler radar vital sign detection system using heterodyne digital quadrature demodulation architecture

IEEE Transactions on Instrumentation and Measurement

Volumn 59, Issue 6, 2010, Pages 1580-1588

  Gu, Changzhan ^a   Li, Changzhi ^b   Lin, Jenshan ^a   Long, Jiang ^c   Huangfu, Jiangtao ^c   Ran, Lixin ^c  

^a University of Florida   (United States)

^b Department of Electrical and Computer Engineering   (United States)

^c ZHEJIANG UNIVERSITY   (China)

Author keywords

Digital quadrature demodulation; Doppler radar; Heartbeat; Instruments; Life detection; Noncontact detection; Remote sensing; Respiration; Software radio; Variable carrier frequency test; Vital sign

Indexed keywords

DIGITAL QUADRATURE DEMODULATION; FREQUENCY TESTS; LIFE DETECTION; NON-CONTACT DETECTION; QUADRATURE DEMODULATION; SOFTWARE RADIO; VITAL SIGN;

ANTENNA ARRAYS; COMPUTER SOFTWARE; DEMODULATION; DIGITAL RADIO; DOPPLER EFFECT; DOPPLER RADAR; HETERODYNING; OPTICAL VARIABLES MEASUREMENT; RADAR; RADAR SYSTEMS; RADIO RECEIVERS; REMOTE SENSING;

TRACKING RADAR;

EID: 77952249158     PISSN: 00189456     EISSN: None     Source Type: Journal    
DOI: 10.1109/TIM.2009.2028208     Document Type: Article

References (15)

1. J. C. Lin, "Noninvasive microwave measurement of respiration," Proc. IEEE, vol.63, no.10, p. 1530, Oct. 1975.
2. K. M. Chen, D. Misra, H. R. Chuang, and E. Postow, "An X-band microwave life-detection system," IEEE Trans. Biomed. Eng., vol.BME-33, no.7, pp. 697-701, Jul. 1986.
3. K. M. Chen, Y. Huang, J. Zhang, and A. Norman, "Microwave lifedetection systems for searching human subjects under earthquake rubble and behind barrier," IEEE Trans. Biomed. Eng., vol.47, no.1, pp. 105- 114, Jan. 2000.
4. B.-K. Park, O. Boric-Lubecke, and V. M. Lubecke, "Arctangent demodulation with DC offset compensation in quadrature Doppler radar receiver systems," IEEE Trans. Microw. Theory Tech., vol.55, no.5, pp. 1073- 1079, May 2007.
5. A. D. Droitcour, O. Boric-Lubecke, V. M. Lubecke, J. Lin, and G. T. A. Kovac, "Range correlation and I/Q performance benefits in single-chip silicon Doppler radars for noncontact cardiopulmonary monitoring," IEEE Trans. Microw. Theory Tech., vol.52, no.3, pp. 838-848, Mar. 2004.
6. Y. Xiao, J. Lin, O. Boric-Lubecke, and V. M. Lubecke, "Frequency tuning technique for remote detection of heartbeat and respiration using lowpower double-sideband transmission in Ka-band," IEEE Trans. Microw. Theory Tech., vol.54, no.5, pp. 2023-2032, May 2006.
7. Y. Xiao, J. Lin, O. Boric-Lubecke, and V. M. Lubecke, "A Ka-band low power Doppler radar system for remote detection of cardiopulmonary motion," in Proc. 27th IEEE Annu. Eng. Med. Biol. Soc. Conf., Sep. 1-4, 2005, pp. 7151-7154.
8. B. Lohman, O. Boric-Lubecke, V. M. Lubecke, P. W. Ong, and M. M. Sondhi, "A digital signal processor for Doppler radar sensing of vital signs," in Proc. 23rd IEEE Annu. Eng. Med. Biol. Soc. Conf., 2001, vol.4, pp. 3359-3362. (Pubitemid 35389392)
9. B. Razavi, "Design considerations for direct-conversion receivers," IEEE Trans. Circuits Syst. II, Analog Digit. Signal Process., vol.44, no.6, pp. 428-435, Jun. 1997.
10. C. Li, Y. Xiao, and J. Lin, "Experiment and spectral analysis of a lowpower Ka-band heartbeat detector measuring from four sides of a human body," 2IEEE Trans. Microw. Theory Tech., vol.54, no.12, pp. 4464- 4471, Dec. 2006. (Pubitemid 46372455)
11. C. Li and J. Lin, "Optimal carrier frequency of non-contact vital sign detectors," in Proc. IEEE Radio Wireless Symp., Long Beach, CA, Jan. 9-11, 2007, pp. 281-284.
12. J. B. Y. Tsui and J. P. Stephens, Sr., "Digital microwave receiver technology," IEEE Trans. Microw. Theory Tech., vol.50, no.3, pp. 699-705, Mar. 2002.
13. R. Moraes and D. H. Evans, "Compensation for phase and amplitude imbalance in quadrature Doppler signals," Ultrasound Med. Biol., vol.22, no.1, pp. 129-137, 1996.
14. M. C. Budge, Jr. and M. P. Burt, "Range correlation effects on phase and amplitude noise," in Proc. IEEE Southeastcon, Charlotte, NC, 1993, p. 5.
15. Q. Zhou, J. Liu, A. Host-Madsen, O. Boric-Lubecke, and V. Lubecke, "Detection of multiple heartbeats using Doppler radar," in Proc. IEEE ICASSP, May 2006, vol.2, pp. 1160-1163.