A 3.9 mW 25-Electrode Reconfigured Sensor for Wearable Cardiac Monitoring System

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dc.contributor.authorYan, Longko
dc.contributor.authorBae, Joon-Sungko
dc.contributor.authorLee, Seul-Kiko
dc.contributor.authorRoh, Tae-Hwanko
dc.contributor.authorSong, Ki-Seokko
dc.contributor.authorYoo, Hoi-Junko
dc.date.accessioned2013-03-11T08:01:57Z-
dc.date.available2013-03-11T08:01:57Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2011-01-
dc.identifier.citationIEEE JOURNAL OF SOLID-STATE CIRCUITS, v.46, no.1, pp.353 - 364-
dc.identifier.issn0018-9200-
dc.identifier.urihttp://hdl.handle.net/10203/98717-
dc.description.abstractA low power highly sensitive Thoracic Impedance Variance (TIV) and Electrocardiogram (ECG) monitoring SoC is designed and implemented into a poultice-like plaster sensor for wearable cardiac monitoring. 0.1 Omega TIV detection is possible with a sensitivity of 3.17 V/Omega and SNR > 40 dB. This is achieved with the help of a high quality (Q-factor > 30) balanced sinusoidal current source and low noise reconfigurable readout electronics. A cm-range 13.56 MHz fabric inductor coupling is adopted to start/stop the SoC remotely. Moreover, a 5% duty-cycled Body Channel Communication (BCC) is exploited for 0.2 nJ/b 1 Mbps energy efficient external data communication. The proposed SoC occupies 5 mm x 5 mm including pads in a standard 0.18 mu m 1P6M CMOS technology. It dissipates a peak power of 3.9 mW when operating in body channel receiver mode, and consumes 2.4 mW when operating in TIV and ECG detection mode. The SoC is integrated on a 15 cm x 15 cm fabric circuit board together with a flexible battery to form a compact wearable sensor. With 25 adhesive screen-printed fabric electrodes, detection of TIV and ECG at 16 different sites of the heart is possible, allowing optimal detection sites to be configured to accommodate different user dependencies.-
dc.languageEnglish-
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.subjectBIOIMPEDANCE MEASUREMENTS-
dc.subjectBODY-
dc.subjectCOMMUNICATION-
dc.subjectAMPLIFIER-
dc.subjectOUTPUT-
dc.titleA 3.9 mW 25-Electrode Reconfigured Sensor for Wearable Cardiac Monitoring System-
dc.typeArticle-
dc.identifier.wosid000285839200031-
dc.identifier.scopusid2-s2.0-78650865657-
dc.type.rimsART-
dc.citation.volume46-
dc.citation.issue1-
dc.citation.beginningpage353-
dc.citation.endingpage364-
dc.citation.publicationnameIEEE JOURNAL OF SOLID-STATE CIRCUITS-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorYoo, Hoi-Jun-
dc.type.journalArticleArticle; Proceedings Paper-
dc.subject.keywordAuthorBody channel communication (BCC)-
dc.subject.keywordAuthorcardiac monitoring-
dc.subject.keywordAuthorfabric electrode array-
dc.subject.keywordAuthorhealthcare sensor-
dc.subject.keywordAuthorplanar-fashionable circuit board (P-FCB)-
dc.subject.keywordAuthorremote control-
dc.subject.keywordAuthorthoracic impedance variance (TIV)-
dc.subject.keywordAuthorwearable-body sensor network (W-BSN)-
dc.subject.keywordPlusBIOIMPEDANCE MEASUREMENTS-
dc.subject.keywordPlusBODY-
dc.subject.keywordPlusCOMMUNICATION-
dc.subject.keywordPlusAMPLIFIER-
dc.subject.keywordPlusOUTPUT-
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