A modified radiopropagation multipath model for constant refractivity gradient profiles

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dc.creatorDiego A. Parada
dc.creatorCássio G. do Rego
dc.creatorD. Guevara
dc.creatorA. Navarro
dc.creatorG. L. Ramos
dc.creatorR. Oliveira
dc.date.accessioned2025-05-30T13:03:17Z
dc.date.accessioned2025-09-09T00:45:25Z
dc.date.available2025-05-30T13:03:17Z
dc.date.issued2023
dc.identifier.doi10.1590/2179-10742023v22i2272846
dc.identifier.issn21791074
dc.identifier.urihttps://hdl.handle.net/1843/82644
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.rightsAcesso Aberto
dc.subjectTelecomunicações
dc.subject.otherAtmospheric refractivity
dc.subject.othermultipath model
dc.subject.otherUTD
dc.subject.otherPE numerical solution
dc.subject.otherRT techniques
dc.titleA modified radiopropagation multipath model for constant refractivity gradient profiles
dc.typeArtigo de periódico
local.citation.epage312
local.citation.issue2
local.citation.spage298
local.citation.volume22
local.description.resumoThis paper presents a radiopropagation algorithm based on a Ray Tracing (RT) technique that combines a modified multipath model for constant refractivity gradient profiles and the Uniform Theory of Diffraction (UTD). A novel formulation is proposed by the authors for calculation and ground-reflection analysis of ray paths depending on atmospheric refractivity. The algorithm introduced herein was evaluated in a mixed scenario and in two more realistic case studies, under conditions of constant refractivity gradient and lossy terrain profiles. Pathloss results are obtained and compared with Parabolic Equation (PE) numerical solution results at 2.0 GHz, 3.5 GHz and 5.4 GHz. In such conditions, the modified radiopropagation multipath algorithm with atmospheric refractivity introduced herein showed satisfactory results.
local.publisher.countryBrasil
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA ELETRÔNICA
local.publisher.initialsUFMG
local.url.externahttps://www.scielo.br/j/jmoea/a/dD5nZtkgzkDm7VynxjfhDQC/?format=pdf&lang=en

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