Integrated All Electrical Pulse Wave Velocity and Respiration Sensors Using Bio-Impedance

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dc.contributor.authorLee, Woojaeko
dc.contributor.authorCho, Seong-Hwanko
dc.date.accessioned2015-04-08T08:05:24Z-
dc.date.available2015-04-08T08:05:24Z-
dc.date.created2015-04-06-
dc.date.created2015-04-06-
dc.date.created2015-04-06-
dc.date.created2015-04-06-
dc.date.issued2015-03-
dc.identifier.citationIEEE JOURNAL OF SOLID-STATE CIRCUITS, v.50, no.3, pp.776 - 785-
dc.identifier.issn0018-9200-
dc.identifier.urihttp://hdl.handle.net/10203/195966-
dc.description.abstractIn this paper, we propose wire-free integrated sensors that monitor pulse wave velocity (PWV) and respiration, both non-electrical vital signs, by using an all-electrical method. The key techniques that we employ to obtain all-electrical and wire-free measurement are bio-impedance (BI) and analog-modulated body-channel communication (BCC), respectively. For PWV, time difference between ECG signal from the heart and BI signal from the wrist is measured. To remove wires and avoid sampling rate mismatch between ECG and BI sensors, ECG signal is sent to the BI sensor via analog BCC without any sampling. For respiration measurement, BI sensor is located at the abdomen to detect volume change during inhalation and exhalation. A prototype chip fabricated in 0.11 mu m CMOS process consists of ECG, BI sensor and BCC transceiver. Measurement results show that heart rate and PWV are both within their normal physiological range. The chip consumes 1.28 mW at 1.2 V supply while occupying 5 mmx2.5 mm of area.-
dc.languageEnglish-
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.titleIntegrated All Electrical Pulse Wave Velocity and Respiration Sensors Using Bio-Impedance-
dc.typeArticle-
dc.identifier.wosid000350668700013-
dc.identifier.scopusid2-s2.0-85027955507-
dc.type.rimsART-
dc.citation.volume50-
dc.citation.issue3-
dc.citation.beginningpage776-
dc.citation.endingpage785-
dc.citation.publicationnameIEEE JOURNAL OF SOLID-STATE CIRCUITS-
dc.identifier.doi10.1109/JSSC.2014.2380781-
dc.contributor.localauthorCho, Seong-Hwan-
dc.contributor.nonIdAuthorLee, Woojae-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorBody channel communication (BCC)-
dc.subject.keywordAuthorpulse wave velocity (PWV)-
dc.subject.keywordAuthorrespiration-
dc.subject.keywordAuthorhealthcare-
dc.subject.keywordAuthorVCO-based ADC-
dc.subject.keywordPlusSYSTEM-
dc.subject.keywordPlusNASAL-
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