Application of the finite-difference frequency-domain (FDFD) method on radiowave propagation in urban environments

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dc.creatorCláudio Garcia Batista
dc.creatorCássio Gonçalves do Rego
dc.date.accessioned2025-04-24T18:41:38Z
dc.date.accessioned2025-09-09T00:30:11Z
dc.date.available2025-04-24T18:41:38Z
dc.date.issued2018
dc.identifier.doihttps://doi.org/10.1590/2179-10742018v17i31318
dc.identifier.issn2179-1074
dc.identifier.urihttps://hdl.handle.net/1843/81825
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofJournal of microwaves, optoelectronics and electromagnetic applications
dc.rightsAcesso Aberto
dc.subjectSistemas de comunicação sem fio
dc.subjectDiferenças finitas
dc.subject.otherFinite-Difference Frequency-Domain (FDFD)
dc.subject.otherRadiowave propagation
dc.subject.otherUrban environments
dc.titleApplication of the finite-difference frequency-domain (FDFD) method on radiowave propagation in urban environments
dc.typeArtigo de periódico
local.citation.epage384
local.citation.issue3
local.citation.spage373
local.citation.volume17
local.description.resumoIn this work a Finite-Difference Frequency-Domain (FDFD) propagation method for complex urban environments is proposed. The formulation starts from the discretization of the Helmholtz equation for the magnetic field instead of the usual separate one order derivative Ampere's and Faraday's laws. The Stretched Coordinate Perfectly Matched Layer (SCPML) is used as an absorbing boundary condition. These procedures produce less field components to estimate and achieve high wave absorption at the computation domain boundaries. The main goal is the rigorous prediction of VHF/SHF signals in real urban scenarios through the evaluation of several propagation mechanisms: direct rays, diffraction, reflection and refraction effects. The method is validated through an analytic problem and preliminary results are generated by two case studies: a cellular system measurement campaign and an idealized urban scenario.
local.publisher.countryBrasil
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA ELETRÔNICA
local.publisher.initialsUFMG
local.url.externahttps://www.scielo.br/j/jmoea/a/VvJrMV6dH4rghHZSgg4RpwG/?format=pdf&lang=en

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