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High-resolution portable bluetooth module for ECG and EMG acquisition

2025Artigo científico Acesso aberto
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datacite.subject.fosEngenharia e Tecnologia::Engenharia Eletrotécnica, Eletrónica e Informática
datacite.subject.sdg09:Indústria, Inovação e Infraestruturas
dc.contributor.authorLuiz, Luiz E.
dc.contributor.authorSoares, Salviano
dc.contributor.authorValente, Antonio
dc.contributor.authorBarroso, João
dc.contributor.authorLeitão, Paulo
dc.contributor.authorTeixeira, João Paulo
dc.date.accessioned2025-07-09T13:18:37Z
dc.date.available2025-07-09T13:18:37Z
dc.date.issued2025
dc.description.abstractPortable ECG/sEMG acquisition systems for telemedicine often lack application flexibility (e.g., limited configurability, signal validation) and efficient wireless data handling. A modular biosignal acquisition system with up to 8 channels, 24-bit resolution and configurable sampling (1–4 kHz) is proposed, featuring per-channel gain/source adjustments, internal MUX-based reference drive, and visual electrode integrity monitoring; Bluetooth® transmits data via a bit-wise packet structure (83.92% smaller than JSON, 7.28 times faster decoding with linear complexity based on input size). Results: maximum 6.7 μVrms input-referred noise; harmonic signal correlations >99.99%, worst-case THD of -53.03 dBc, and pulse wave correlation >99.68% in frequency-domain with maximum NMSE% of 6e-6%; and 22.3-hour operation (3.3 Ah battery @ 150 mA). The system enables high-fidelity, power-efficient acquisition with validated signal integrity and adaptable multi-channel acquisition, addressing gaps in portable biosensing.eng
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Technology (FCT, Portugal) for financial support through national funds FCT/MCTES (PIDDAC) to CeDRI, UIDB/05757/2020 (DOI: 10.54499/ UIDB/05757/2020) and UIDP/05757/2020 (DOI: 10.54499/UIDB/05757/2020), and SusTEC, LA/P/0007/2020 (DOI: 10.54499/LA/P/0007/2020). Additionally, this work is financed by the NextGeneration EU funding through Portugal’s Recovery and Resilience Plan – Mobilizing Agendas for Business Innovation, within the project Agenda Drivolution (Project 23, 02/C05-i01.02/2022.PC644913740-00000022).
dc.identifier.citationLuiz, Luiz E.; Soares, Salviano; Valente, Antonio; Barroso, João; Leitão, Paulo; Teixeira, João Paulo (2025). High-resolution portable bluetooth module for ECG and EMG acquisition. Computational and Structural Biotechnology Journal. ISSN 2001-0370. 28, p. 156-166
dc.identifier.doi10.1016/j.csbj.2025.04.020
dc.identifier.issn2001-0370
dc.identifier.urihttp://hdl.handle.net/10198/34654
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationResearch Centre in Digitalization and Intelligent Robotics
dc.relationResearch Centre in Digitalization and Intelligent Robotics
dc.relationAssociate Laboratory for Sustainability and Tecnology in Mountain Regions - LA/P/0007/2020
dc.relation.ispartofComputational and Structural Biotechnology Journal
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectElectrocardiogram
dc.subjectElectromyogram
dc.subjectPrinted circuit board
dc.subjectAcquisition integrity
dc.subjectTelemedicine
dc.subjectWearable
dc.subjectHuman-centred
dc.titleHigh-resolution portable bluetooth module for ECG and EMG acquisitioneng
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUIDB/05757/2020
oaire.awardNumberUIDP/05757/2020
oaire.awardNumberLA/P/0007/2020
oaire.awardTitleResearch Centre in Digitalization and Intelligent Robotics
oaire.awardTitleResearch Centre in Digitalization and Intelligent Robotics
oaire.awardTitleAssociate Laboratory for Sustainability and Tecnology in Mountain Regions - LA/P/0007/2020
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F05757%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F05757%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0007%2F2020/PT
oaire.citation.endPage166
oaire.citation.startPage156
oaire.citation.titleComputational and Structural Biotechnology Journal
oaire.citation.volume28
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameLeitão
person.familyNameTeixeira
person.givenNamePaulo
person.givenNameJoão Paulo
person.identifierA-8390-2011
person.identifier663194
person.identifier.ciencia-id8316-8F13-DA71
person.identifier.ciencia-id4F15-B322-59B4
person.identifier.orcid0000-0002-2151-7944
person.identifier.orcid0000-0002-6679-5702
person.identifier.ridN-6576-2013
person.identifier.scopus-author-id35584388900
person.identifier.scopus-author-id57069567500
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
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