Accurate doppler radar noncontact vital sign detection using the RELAX algorithm

IEEE Transactions on Instrumentation and Measurement

Volumn 59, Issue 3, 2010, Pages 687-695

  Li, Changzhi ^a,b   Ling, Jun ^a   Li, Jian ^a   Lin, Jenshan ^a  

^a University of Florida   (United States)

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

Author keywords

Doppler radar; Noncontact; Nonlinear phase modulation; Periodogram; Spectral estimation; The RELAX algorithm; Vital sign detection

Indexed keywords

NON-CONTACT; NONLINEAR PHASE MODULATION; PERIODOGRAMS; RELAX ALGORITHM; SPECTRAL ESTIMATION; VITAL SIGN; VITAL SIGN DETECTION;

ALGORITHMS; DOPPLER EFFECT; DOPPLER RADAR; ESTIMATION; FREQUENCY ESTIMATION; NONLINEAR ANALYSIS; PHASE MODULATION; RADAR; SIGNAL DETECTION; SPECTRUM ANALYSIS;

TRACKING RADAR;

EID: 76849109848     PISSN: 00189456     EISSN: None     Source Type: Journal    
DOI: 10.1109/TIM.2009.2025986     Document Type: Article

References (20)

1. J. C. Lin, "Microwave sensing of physiological movement and volume change: A review," Bioelectromagnetics, vol.13, no.6, pp. 557-565, 1992.
2. 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.
3. A. D. Droitcour, O. Boric-Lubecke, V. M. Lubecke, J. Lin, and G. T. A. Kovacs, "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.
4. 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.
5. I. Mostafanezhad, B. Park, O. Boric-Lubecke, V. Lubecke, and A. Host-Madsen, "Sensor nodes for Doppler radar measurements of life signs," in Proc. IEEE MTT-S Int. Microw. Symp. Dig., Honolulu, HI, Jun. 3-8, 2007, pp. 1241-1244.
6. C. Li and J. Lin, "Random body movement cancellation in Doppler radar vital sign detection," IEEE Trans. Microw. Theory Tech., vol.56, no.12, pp. 3143-3152, Dec. 2008.
7. 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.
8. Y. Xiao, C. Li, and J. Lin, "Accuracy of a low-power Ka-band non-contact heartbeat detector measured from four sides of a human body," in Proc. IEEE MTT-S Int. Microw. Symp. Dig., Jun. 2006, pp. 1576-1579. (Pubitemid 46924556)
9. 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," IEEE Trans. Microw. Theory Tech., vol.54, no.12, pp. 4464-4471, Dec. 2006. (Pubitemid 46372455)
10. 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.
11. in Spectral Analysis of Signals. Upper Saddle River, NJ: Prentice-Hall, 2005.
12. Y. Hua and T. K. Sarkar, "Matrix pencil method for estimating parameters of exponentially damped/undamped sinusoids in noise," IEEE Trans. Acoust., Speech, Signal Process., vol.38, no.5, pp. 814-824, May 1990.
13. Y. Hua and T. K. Sarkar, "Generalized pencil-of-functions method for extracting the poles of an EM system from its transient response," IEEE Trans. Antennas Propag., vol.37, no.2, pp. 229-234, Feb. 1989.
14. J. Li and P. Stoica, "Efficient mixed-spectrum estimation with applications to target feature extraction," IEEE Trans. Signal Process., vol.44, no.2, pp. 281-295, Feb. 1996.
15. P. Stoica, A. Jakobsson, and J. Li, "Cisoid parameter estimation in the colored noise case: Asymptotic Cramer-Rao bound, maximum likelihood, and nonlinear least-squares," IEEE Trans. Signal Process., vol.45, no.8, pp. 2048-2059, Aug. 1997.
16. B. 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.
17. C. Li and J. Lin, "Complex signal demodulation and random body movement cancellation techniques for non-contact vital sign detection," in Proc. IEEE MTT-S Int. Microw. Symp. Dig., Jun. 2008, pp. 567-570.
18. J. Ling, P. Stoica, J. Li, and Y. I. Abramovich, "On using cyclic algorithms for sinusoidal parameter estimation," Electron. Lett., vol.44, no.19, pp. 1160-1161, Sep. 2008.
19. Z. Liu and J. Li, "Implementation of the RELAX algorithm," IEEE Trans. Aerosp. Electron. Syst., vol.34, no.2, pp. 657-664, Apr. 1998.
20. N. Shahid, D. Fang,W. Sheng, and X. Ye, "The high resolution estimate- A comparative study," in Proc. IEEE ICCEA, 1999, pp. 262-265.