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Chest Motion Sensing with Modified Silicon Base Station Chips
Amy DROITCOUR Olga BORIC-LUBECKE Victor M. LUBECKE Jenshan LIN Gregory T.A. KOVACS
IEICE TRANSACTIONS on Electronics
Publication Date: 2004/09/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Wave Technologies for Wireless and Optical Communications)
Category: Components and Devices
RF circuits, biomedical monitoring, Doppler radar, CMOS, BiCMOS, phase noise, range correlation,
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Subcircuits designed for integrated silicon DCS1800/ PCS1900 base station receivers have been reconfigured into hybrid and single-chip Doppler radar transceivers. Radar chips have been fully integrated in 0.25 µm silicon CMOS and BiCMOS processes. These chips have been used to monitor heart and respiration activity without contact, and they have successfully detected heartbeat and respiration rate up to 1 m from the subject. This monitoring device may be useful in home monitoring, continuous monitoring, and physiological research.