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On the applicability of the dRET model to the trunk layer

2010Conference paper Restricted access
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datacite.subject.fosCiências Naturais::Ciências da Computação e da Informação
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.authorFernandes, T.
dc.contributor.authorLeonor, N.
dc.contributor.authorCaldeirinha, R.
dc.contributor.authorRichter, J.
dc.contributor.authorAl-Nuaimi, M.
dc.date.accessioned2025-12-05T19:37:43Z
dc.date.available2025-12-05T19:37:43Z
dc.date.issued2010
dc.descriptionConference date - 12 April 2010 - 16 April 2010; Conference code - 81332
dc.descriptionEISBN - 978-84-7653-472-4
dc.description.abstractThis paper presents a method to model the scattered signal from a regular formation of cylinders, both dielectric and metallic, at micro and millimeter wave frequencies. The model, aims to predict the signal emanated inside and around an isolated block of tree trunks, and might be used as part of a larger algorithm intended to model isolated volumes of vegetation. The method presented here, is based on the prior knowledge of the re-radiation function of cylinders and used the dRET (discrete Radiative Energy Transfer) model, to gather the interactions between the trunks present in the formation to predict the directional profile of the received signal power level at various location inside the formation. The re-radiation function from cylinders, is predicted based on a model previously applied to lamp posts, and is assessed by comparison with measurements performed at 18 and 36 GHz. These functions are subsequently used to input the dRET model whose predictions were also assessed with measurements obtained inside an anechoic chamber, using the same spot frequencies.eng
dc.identifier.citationT. Fernandes, N. Leonor, R. Caldeirinha, J. Richter and M. Al-Nuaimi, "On the applicability of the dRET model to the trunk layer," Proceedings of the Fourth European Conference on Antennas and Propagation, Barcelona, Spain, 2010, pp. 1-4.
dc.identifier.isbn978-1-4244-6431-9
dc.identifier.isbn978-84-7653-472-4
dc.identifier.issn2164-3342
dc.identifier.urihttp://hdl.handle.net/10400.8/14939
dc.language.isoeng
dc.peerreviewedyes
dc.publisherIEEE Canada
dc.relation.hasversionhttps://ieeexplore.ieee.org/abstract/document/5504914
dc.rights.uriN/A
dc.subjectPredictive models
dc.subjectScattering
dc.subjectDielectrics
dc.subjectMillimeter wave technology
dc.subjectVegetation
dc.subjectEnergy exchange
dc.subjectLamps
dc.subjectPerformance evaluation
dc.subjectFrequency measurement
dc.subjectAnechoic chambers
dc.titleOn the applicability of the dRET model to the trunk layereng
dc.typeconference paper
dspace.entity.typePublication
oaire.citation.conferenceDate2010-04
oaire.citation.conferencePlaceBarcelona, Spain
oaire.citation.titleEuCAP 2010 - The 4th European Conference on Antennas and Propagation
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameFernandes
person.familyNameLeonor
person.familyNameCaldeirinha
person.givenNameTelmo
person.givenNameNuno
person.givenNameRafael
person.identifier.ciencia-id391F-E0B5-14B5
person.identifier.ciencia-id4D18-2B1E-0960
person.identifier.orcid0000-0003-0882-7478
person.identifier.orcid0000-0002-5405-1503
person.identifier.orcid0000-0003-0297-7870
person.identifier.ridB-7909-2018
person.identifier.ridF-1499-2015
person.identifier.scopus-author-id24779209500
person.identifier.scopus-author-id7801603527
relation.isAuthorOfPublication5c77bf6a-79cb-4cfd-b316-b2ed1890bb29
relation.isAuthorOfPublicationcf56da48-3d79-4f25-8e66-21949962d272
relation.isAuthorOfPublicationb04f8672-d7af-443e-9104-ae8698dcdc9d
relation.isAuthorOfPublication.latestForDiscovery5c77bf6a-79cb-4cfd-b316-b2ed1890bb29

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This paper presents a method to model the scattered signal from a regular formation of cylinders, both dielectric and metallic, at micro and millimeter wave frequencies. The model, aims to predict the signal emanated inside and around an isolated block of tree trunks, and might be used as part of a larger algorithm intended to model isolated volumes of vegetation. The method presented here, is based on the prior knowledge of the re-radiation function of cylinders and used the dRET (discrete Radiative Energy Transfer) model, to gather the interactions between the trunks present in the formation to predict the directional profile of the received signal power level at various location inside the formation. The re-radiation function from cylinders, is predicted based on a model previously applied to lamp posts, and is assessed by comparison with measurements performed at 18 and 36 GHz. These functions are subsequently used to input the dRET model whose predictions were also assessed with measurements obtained inside an anechoic chamber, using the same spot frequencies.
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