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On the usage of a time-frequency switch mode algorithm to efficiently simulate RF circuits

2020-12Journal article Open access
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datacite.subject.fosEngenharia e Tecnologia::Engenharia Eletrotécnica, Eletrónica e Informática
datacite.subject.sdg03:Saúde de Qualidade
datacite.subject.sdg10:Reduzir as Desigualdades
datacite.subject.sdg11:Cidades e Comunidades Sustentáveis
dc.contributor.authorOliveira, Jorge F.
dc.date.accessioned2025-07-23T17:32:20Z
dc.date.available2025-07-23T17:32:20Z
dc.date.issued2020-12
dc.descriptionArticle number - 153468
dc.description.abstractWireless devices integrating more and more features in ever-smaller packages have become integral part of everyone's daily life. These systems have seen a continuous push to profit from digital signal processing techniques, in which signals are no longer traditional continuous amplitude and/or phase-modulated carriers, but became pulsed waveforms where the amplitude and/or phase are coded in some on–off digital scheme. This on–off scenario has been addressing new challenges to the circuit-level simulation of such systems. Having this in mind this paper aims to propose an innovative time–frequency simulation technique based on a switch mode algorithm, which is specially conceived for the efficient numerical simulation of RF circuits whose stimuli are intermittently turned on and off for unknown periods of time. At present, to simulate this category of circuits commercial tools have no choice than to make use of full conventional SPICE algorithms. This paper suggests an alternative way, which can result in significant speedups, without perceptible loss in accuracy.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.citationJorge F. Oliveira, On the usage of a time-frequency switch mode algorithm to efficiently simulate RF circuits, AEU - International Journal of Electronics and Communications, Volume 127, 2020, 153468, ISSN 1434-8411, https://doi.org/10.1016/j.aeue.2020.153468.
dc.identifier.doi10.1016/j.aeue.2020.153468
dc.identifier.eissn1618-0399
dc.identifier.issn1434-8411
dc.identifier.urihttp://hdl.handle.net/10400.8/13766
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationInstituto de Telecomunicações
dc.relationInstituto de Telecomunicações
dc.relation.hasversionhttps://www.sciencedirect.com/science/article/pii/S1434841120313388
dc.relation.ispartofAEU - International Journal of Electronics and Communications
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectRF circuits
dc.subjectTime–frequency analysis
dc.subjectCircuit simulation
dc.titleOn the usage of a time-frequency switch mode algorithm to efficiently simulate RF circuitseng
dc.typejournal article
dspace.entity.typePublication
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.endPage10
oaire.citation.startPage1
oaire.citation.titleInternational Journal of Electronics and Communications
oaire.citation.volume127
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
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Wireless devices integrating more and more features in ever-smaller packages have become integral part of everyone's daily life. These systems have seen a continuous push to profit from digital signal processing techniques, in which signals are no longer traditional continuous amplitude and/or phase-modulated carriers, but became pulsed waveforms where the amplitude and/or phase are coded in some on–off digital scheme. This on–off scenario has been addressing new challenges to the circuit-level simulation of such systems. Having this in mind this paper aims to propose an innovative time–frequency simulation technique based on a switch mode algorithm, which is specially conceived for the efficient numerical simulation of RF circuits whose stimuli are intermittently turned on and off for unknown periods of time. At present, to simulate this category of circuits commercial tools have no choice than to make use of full conventional SPICE algorithms. This paper suggests an alternative way, which can result in significant speedups, without perceptible loss in accuracy.
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