Assessment of GPS positioning performance using different signals in the context of ionospheric scintillation: a month-long case study on Sao Jose dos Campos, Brazil

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorChristovam de Souza, Ana Lucia-
Autor(es): dc.creatorJerez, Gabriel Oliveira-
Autor(es): dc.creatorCamargo, Paulo de Oliveira-
Autor(es): dc.creatorMarra Alves, Daniele Barroca-
Data de aceite: dc.date.accessioned2025-08-21T15:37:35Z-
Data de disponibilização: dc.date.available2025-08-21T15:37:35Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2021-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1590/s1982-21702022000400018-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/245509-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/245509-
Descrição: dc.descriptionThe ionospheric scintillation associated to small-scale irregularities in the ionospheric layer can lead to performance degradation of Global Navigation Satellite Systems (GNSS) signals, and the reduction of positioning accuracy. The influence of the ionospheric layer on the GNSS systems is expected to be different for each signal since it is transmitted on different carrier frequencies. This paper presents the results of a quantitative analysis of the scintillation amplitude of GPS (Global Positioning System) signals at L1, L2 and L5 frequencies, aiming to evaluate the impact of the ionospheric scintillation effects on the GPS frequencies. As the ionospheric scintillation may impact positioning accuracy, we also present an assessment of GPS point positioning using those frequencies. The GPS sample data were collected for 30 days between November and December 2014 at SJCE station located in Sao Jose dos Campos (SP), Brazil. Such a region is subjected to the equatorial anomaly effects being characterized by the occurrence of strong ionosphere scintillation. Considering the quantitative analysis, during the different levels of ionospheric scintillation presented a similar behavior, the magnitude of scintillations is small for the L1 signal and larger for L5. In general, the results confirmed that lower frequencies (L2 and L5) suffer more impact from intense scintillation than L1. Regarding the positioning assessment, the multi-frequency positioning was more accurate than single frequency. Considering dual-frequency positioning, results with L1-L2 were more accurate than those with L1-L5 signals. With single-frequency positioning, the L1 signal was more accurate compared to the L2 frequency.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Cient�fico e Tecnol�gico (CNPq)-
Descrição: dc.descriptionFunda��o de Amparo � Pesquisa do Estado de S�o Paulo (FAPESP)-
Descrição: dc.descriptionCoordena��o de Aperfei�oamento de Pessoal de N�vel Superior (CAPES)-
Descrição: dc.descriptionUniv Estadual Paulista, UNESP, Programa Posgrad Ciencias Cartog, Sao Paulo, Brazil-
Descrição: dc.descriptionUniv Estadual Paulista, UNESP, Dept Cartog, Sao Paulo, Brazil-
Descrição: dc.descriptionUniv Estadual Paulista, UNESP, Programa Posgrad Ciencias Cartog, Sao Paulo, Brazil-
Descrição: dc.descriptionUniv Estadual Paulista, UNESP, Dept Cartog, Sao Paulo, Brazil-
Descrição: dc.descriptionCNPq: 465648/2014-2-
Descrição: dc.descriptionFAPESP: 2021/05285-0-
Descrição: dc.descriptionFAPESP: 2017/50115-0-
Descrição: dc.descriptionCAPES: 88887.137186/201700-
Descrição: dc.descriptionCAPES: 001-
Formato: dc.format11-
Idioma: dc.languageen-
Publicador: dc.publisherUniv Federal Parana, Centro Politecnico-
Relação: dc.relationBoletim De Ciencias Geodesicas-
???dc.source???: dc.sourceWeb of Science-
Palavras-chave: dc.subjectGPS Positioning-
Palavras-chave: dc.subjectAmplitude Scintillation-
Palavras-chave: dc.subjectIonospheric Scintillation-
Palavras-chave: dc.subjectGPS frequencies-
Título: dc.titleAssessment of GPS positioning performance using different signals in the context of ionospheric scintillation: a month-long case study on Sao Jose dos Campos, Brazil-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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