An RF based analog linear demodulator

IEEE Microwave and Wireless Components Letters

Volumn 21, Issue 7, 2011, Pages 392-394

  Mostafanezhad, Isar ^a   Boric Lubecke, Olga ^b  

^a Kai Medical Inc   (United States)

^b University of Hawaii at Manoa   (United States)

Author keywords

DC cancellation; life signs; linear demodulation; phase tuning; wireless

Indexed keywords

BASE BANDS; DC CANCELLATION; DC OFFSETS; HEART RATES; HOMODYNE RECEIVER; LIFE SIGNS; LINEAR DEMODULATION; MONITORING APPLICATIONS; PHASE TUNING; PHYSIOLOGICAL SIGNALS; RECEIVER ARCHITECTURE;

DATA HANDLING; OPTICAL VARIABLES MEASUREMENT;

DEMODULATION;

EID: 79960144623     PISSN: 15311309     EISSN: None     Source Type: Journal    
DOI: 10.1109/LMWC.2011.2154318     Document Type: Article

References (9)

1. C. Li, J. Cummings, J. Lam, E. Graves, and W. Wu, "Radar remote monitoring of vital signs," IEEE Microw. Mag., vol. 10, no. 1, pp. 47-56, Feb. 2009.
2. K. Chen, J. Zhang, and A. Norman, "Microwave life-detection systems for searching human subjects under earthquake rubble or behind barrier," IEEE Trans. Biomed. Eng., vol. 47, no. 1, pp. 105-114, Jan. 2000. (Pubitemid 30044006)
3. A. Droitcour, O. Boric-Lubecke, V. M. Lubecke, J. Lin, and G. T. Kovacs, "Range correlation and I/Q performance benefits in single chip silicon Doppler radars for non-contact cardiopulmonary monitoring," IEEE Trans. Microw. Theory Tech., vol. 52, no. 3, pp. 838-848, Mar. 2004.
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. M. Vergara, O. Boric-Lubecke, and V. Lubecke, "DC information preservation for cardiopulmonary monitor utilizing CW Doppler radar," in Proc. IEEE Eng. Med. Biol. Soc. EMBS'08, Aug. 2008, pp. 1246-1249.
6. W. Massagram, V. M. Lubecke, A. Host-Madsen, and O. Boric- Lubecke, "Assessment of heart rate variability and respiratory sinus arrhythmia via Doppler radar," IEEE Trans. Microw. Theory Tech., vol. 57, no. 10, pp. 2542-2549, Oct. 2009.
7. Y. Xiao, J. Lin, O. Boric-Lubecke, and V. M. Lubecke, "Frequency tuning technique for remote detection of heartbeat and respiration using low-power double-sideband transmission in Ka-band," IEEE Trans. Microw. Theory Tech., vol. 54, no. 5, pp. 2023-2032, May 2006.
8. S. Yamada, O. Boric-Lubecke, and V. Lubecke, "Cancellation techniques for LO leakage and dc offset in direct conversion systems," in IEEE MTT-S Int. Dig., Atlanta, GA, Jun. 2008, vol. 1, pp. 1191-1194.
9. B.-K. Park, S. Yamada, O. Boric-Lubecke, and V. Lubecke, "Singlechannel receiver limitations in Doppler radar measurements of periodic motion," in Proc. IEEE Radio Wireless Symp., Jan. 2006, vol. 1, pp. 17-19.