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1. Identity statement
Reference TypeConference Paper (Conference Proceedings)
Sitemtc-m21c.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34R/44D5G82
Repositorysid.inpe.br/mtc-m21c/2021/03.25.16.21
Metadata Repositorysid.inpe.br/mtc-m21c/2021/03.25.16.21.06
Metadata Last Update2022:04.03.19.25.18 (UTC) administrator
Secondary KeyINPE--PRE/
Citation KeyMoraesCoVaSaPaAfMo:2021:CoStMo
TitleContributions on the Statistical Modeling of Ionospheric Scintillation in the Brazilian Region
Year2021
Access Date2024, June 15
Secondary TypePRE CN
2. Context
Author1 Moraes, A. O.
2 Costa, E.
3 Vani, B. C.
4 Salles, L. A.
5 Paula, Eurico Rodrigues de
6 Affonso, B. J.
7 Monico, J. F. G.
Resume Identifier1
2
3
4
5 8JMKD3MGP5W/3C9JH2U
Group1
2
3
4
5 DIHPA-CGCE-INPE-MCTI-GOV-BR
Affiliation1 Instituto de Aeronáutica e Espaço (IAE)
2 Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio)
3 Instituto Federal de Educação, Ciência e Tecnologia de São Paulo (IFSP)
4 Instituto Tecnológico de Aeronáutica (ITA)
5 Instituto Nacional de Pesquisas Espaciais (INPE)
6 Embraer
7 Universidade Estadual Paulista (UNESP)
Author e-Mail Address1
2
3
4
5 eurico.paula@inpe.br
Conference NameSimpósio Brasileiro de Geofísica Espacial e Aeronomia, 8 (SBGEA)
Conference LocationOnline
Date22-26 mar.
History (UTC)2021-03-25 16:21:06 :: simone -> administrator ::
2022-04-03 19:25:18 :: administrator -> simone :: 2021
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
AbstractIonospheric scintillation is the term used to indicate amplitude and phase variations of radio signals that propagate through regions of low electronic density in the ionosphere (plasma bubbles, populated by irregularities with a wide range of scale sizes). This phenomenon occurs daily, especially in the years of high solar activity, around the geomagnetic equator and low latitude regions, during the summer solstice and after sunset, affecting radio signal users. In particular, ionospheric scintillation presents great liability to the performance of GPS receivers. It is responsible for significant degradation in the accuracy of position estimation. Rapid phase variations may be interpreted as a Doppler shift in the GPS signal, resulting in a loss of phase lock in severe cases. Furthermore, amplitude fades can cause the signalto-noise ratio to drop below the threshold required for receiver operation. Under extremes scintillation scenarios, the receiver may lose lock of multiple channels and, depending on its severity, a full interruption of the receiver operation may occur. Because availability and integrity of GNSS services may be drastically affected by scintillation, this work analyzes GPS scintillation data recorded during the solar maximum of cycle 24 in the Brazilian cities of Fortaleza, Presidente Prudente, Sao Jos´e dos Campos and Porto Alegre. All these stations are located near or around the southern crest of the Equatorial Ionization Anomaly. The analysis has been performed aiming at generating a series of models and approximations to better characterize the occurrence of scintillation in Brazil. The goal is to identify situations and understand the scenarios where the worst scintillation cases occur. This assessment is intended to support research regarding mitigation techniques and strategies for augmentation systems operation under equatorial and low latitude regions.
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Languageen
User Groupsimone
Visibilityshown
Update Permissionnot transferred
5. Allied materials
Next Higher Units8JMKD3MGPCW/46KTFK8
Host Collectionurlib.net/www/2017/11.22.19.04
6. Notes
Empty Fieldsarchivingpolicy archivist booktitle callnumber copyholder copyright creatorhistory descriptionlevel dissemination doi e-mailaddress edition editor format isbn issn keywords label lineage mark mirrorrepository nextedition notes numberoffiles numberofvolumes orcid organization pages parameterlist parentrepositories previousedition previouslowerunit progress project publisher publisheraddress readergroup readpermission rightsholder schedulinginformation secondarydate secondarymark serieseditor session shorttitle size sponsor subject targetfile tertiarymark tertiarytype type url versiontype volume
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