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A mixed time-frequency RF simulation technique based on numerical time-slot partitioning

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datacite.subject.fosEngenharia e Tecnologia::Engenharia Eletrotécnica, Eletrónica e Informática
datacite.subject.sdg10:Reduzir as Desigualdades
datacite.subject.sdg11:Cidades e Comunidades Sustentáveis
dc.contributor.authorOliveira, Jorge F.
dc.date.accessioned2026-05-05T09:49:17Z
dc.date.available2026-05-05T09:49:17Z
dc.date.issued2021
dc.descriptionConference date - 19 July 2021 - 22 July 2021; Conference code - 172054
dc.description.abstractThe increasing complexity of radio frequency (RF) architectures and the continuous push to profit from digital signal-processing techniques, have been addressing new challenges to circuit-level simulation. This paper describes the most relevant details of a time-frequency simulation technique specially conceived for the efficient numerical simulation of circuits whose stimuli are turned on and off for unknown periods of time, as is the case of RF circuits managing signals coded in some on-off digital scheme. The proposed technique is based on a time-slot partition stratagem with automatic switching between different numerical schemes (multitime envelope transient harmonic balance and time-step integration) along the simulation process, according to the on-off state of the circuits’ stimuli. Simulation tests performed in an illustrative application example, an on-off amplitude shift keying (ASK/OOK) transmitter used in low-power applications, as radio frequency identification (RFID) or biomedical imaging, revealed significant gains in computational speed over commercial computer-aided design tools.eng
dc.description.sponsorshipThis work is funded by National Funds through FCT – Fundação para a Ciência e Tecnologia, under the project UIDB/50008/2020-UIDP/50008/2020.
dc.identifier.citationJ. F. Oliveira, "A Mixed Time-Frequency RF Simulation Technique Based on Numerical Time-Slot Partitioning," SMACD / PRIME 2021; International Conference on SMACD and 16th Conference on PRIME, online, 2021, pp. 76-79.
dc.identifier.isbn978-380075589-9
dc.identifier.urihttp://hdl.handle.net/10400.8/16223
dc.language.isoeng
dc.peerreviewedyes
dc.publisherIEEE Canada
dc.relationInstituto de Telecomunicações
dc.relationInstituto de Telecomunicações
dc.relation.hasversionhttps://ieeexplore.ieee.org/abstract/document/9547920
dc.rights.uriN/A
dc.subjectcircuit simulation
dc.subjectnumerical simulation
dc.subjectpartial differential equations
dc.subjectradio frequency
dc.titleA mixed time-frequency RF simulation technique based on numerical time-slot partitioningeng
dc.typeconference paper
dspace.entity.typePublication
oaire.awardNumberUIDB/50008/2020
oaire.awardNumberUIDP/50008/2020
oaire.awardTitleInstituto de Telecomunicações
oaire.awardTitleInstituto de Telecomunicações
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50008%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F50008%2F2020/PT
oaire.citation.conferenceDate2021-07
oaire.citation.conferencePlaceVirtual, Online
oaire.citation.endPage79
oaire.citation.startPage76
oaire.citation.titleSMACD / PRIME 2021 - International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design and 16th Conference on PhD Research in Microelectronics and Electronics
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameOliveira
person.givenNameJorge
person.identifier.ciencia-idD21E-2991-8E2E
person.identifier.orcid0000-0002-8525-3888
person.identifier.scopus-author-id11339366700
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
relation.isAuthorOfPublicatione073f5f9-f7cf-432e-82b0-34d551c7d477
relation.isAuthorOfPublication.latestForDiscoverye073f5f9-f7cf-432e-82b0-34d551c7d477
relation.isProjectOfPublication0836c6a6-afd0-499e-8a16-612dd27ec1dc
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The increasing complexity of radio frequency (RF) architectures and the continuous push to profit from digital signal-processing techniques, have been addressing new challenges to circuit-level simulation. This paper describes the most relevant details of a time-frequency simulation technique specially conceived for the efficient numerical simulation of circuits whose stimuli are turned on and off for unknown periods of time, as is the case of RF circuits managing signals coded in some on-off digital scheme. The proposed technique is based on a time-slot partition stratagem with automatic switching between different numerical schemes (multitime envelope transient harmonic balance and time-step integration) along the simulation process, according to the on-off state of the circuits’ stimuli. Simulation tests performed in an illustrative application example, an on-off amplitude shift keying (ASK/OOK) transmitter used in low-power applications, as radio frequency identification (RFID) or biomedical imaging, revealed significant gains in computational speed over commercial computer-aided design tools.
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