Wearable Doppler radar with integrated antenna for patient vital sign monitoring

A 2.45 GHz wearable Doppler radar unit with radio data link is presented for use in portable patient monitoring and emergency response. Unlike portable Electrocardiograms (ECG) or Photoplethysmography (PPG), the near-field Doppler unit enables monitoring of the person's heart rate without the n...

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Main Authors: Fletcher, Richard Ribon, Kulkarni, Sarang
Other Authors: MIT-SUTD Collaboration Office
Format: Article
Language:en_US
Published: Institute of Electrical and Electronics Engineers 2012
Online Access:http://hdl.handle.net/1721.1/71181
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author Fletcher, Richard Ribon
Kulkarni, Sarang
author2 MIT-SUTD Collaboration Office
author_facet MIT-SUTD Collaboration Office
Fletcher, Richard Ribon
Kulkarni, Sarang
author_sort Fletcher, Richard Ribon
collection MIT
description A 2.45 GHz wearable Doppler radar unit with radio data link is presented for use in portable patient monitoring and emergency response. Unlike portable Electrocardiograms (ECG) or Photoplethysmography (PPG), the near-field Doppler unit enables monitoring of the person's heart rate without the need for electrical contact or optical access to the patient's skin. The Doppler unit is designed to be embedded in a clothing garment such as a shirt or vest, or used by medical emergency personal in an instrumented blanket or medical stretcher. Since the Doppler unit is placed directly on or behind the patient's torso, the extraneous signals due to relative motion artifacts is greatly reduced. Low-cost design is achieved by employing PWB microstrip elements for the integrated patch antenna, microwave oscillator, and tuning elements. Also, since the distance between the Doppler unit and the patient is fixed, it was possible to tune the detection phase to enable the use of a single mixer diode and eliminate the need for quadrature detection. Measured heart data from this technique shows clear waveform substructure similar to PQRST complex features found in captured ECG data.
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spelling mit-1721.1/711812022-10-01T11:17:46Z Wearable Doppler radar with integrated antenna for patient vital sign monitoring Fletcher, Richard Ribon Kulkarni, Sarang MIT-SUTD Collaboration Office Fletcher, Richard R. Fletcher, Richard Ribon Kulkarni, Sarang A 2.45 GHz wearable Doppler radar unit with radio data link is presented for use in portable patient monitoring and emergency response. Unlike portable Electrocardiograms (ECG) or Photoplethysmography (PPG), the near-field Doppler unit enables monitoring of the person's heart rate without the need for electrical contact or optical access to the patient's skin. The Doppler unit is designed to be embedded in a clothing garment such as a shirt or vest, or used by medical emergency personal in an instrumented blanket or medical stretcher. Since the Doppler unit is placed directly on or behind the patient's torso, the extraneous signals due to relative motion artifacts is greatly reduced. Low-cost design is achieved by employing PWB microstrip elements for the integrated patch antenna, microwave oscillator, and tuning elements. Also, since the distance between the Doppler unit and the patient is fixed, it was possible to tune the detection phase to enable the use of a single mixer diode and eliminate the need for quadrature detection. Measured heart data from this technique shows clear waveform substructure similar to PQRST complex features found in captured ECG data. 2012-06-20T18:33:21Z 2012-06-20T18:33:21Z 2010-01 Article http://purl.org/eprint/type/ConferencePaper 978-1-4244-4726-8 978-1-4244-4725-1 INSPEC Accession Number: 11190845 http://hdl.handle.net/1721.1/71181 Fletcher, Richard Ribon, and Sarang Kulkarni. “Wearable Doppler Radar with Integrated Antenna for Patient Vital Sign Monitoring.” IEEE, 2010. 276–279. Web.© 2010 IEEE. en_US http://dx.doi.org/10.1109/RWS.2010.5434220 Proceedings of the 2010 IEEE Radio and Wireless Symposium (RWS) Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf Institute of Electrical and Electronics Engineers IEEE
spellingShingle Fletcher, Richard Ribon
Kulkarni, Sarang
Wearable Doppler radar with integrated antenna for patient vital sign monitoring
title Wearable Doppler radar with integrated antenna for patient vital sign monitoring
title_full Wearable Doppler radar with integrated antenna for patient vital sign monitoring
title_fullStr Wearable Doppler radar with integrated antenna for patient vital sign monitoring
title_full_unstemmed Wearable Doppler radar with integrated antenna for patient vital sign monitoring
title_short Wearable Doppler radar with integrated antenna for patient vital sign monitoring
title_sort wearable doppler radar with integrated antenna for patient vital sign monitoring
url http://hdl.handle.net/1721.1/71181
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