Mitigation of ionospheric effects on GNSS positioning over Antarctica: a case study during low solar activity
The aim of this study is to investigate the performance of a method based on improving the stochastic model to mitigate ionospheric scintillation effects on GNSS positioning by processing experimental data from GISTM (GPS Ionospheric Scintillation and TEC Monitor) receivers, which are capable of com...
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ftingv:oai:www.earth-prints.org:2122/6380 2023-05-15T14:01:36+02:00 Mitigation of ionospheric effects on GNSS positioning over Antarctica: a case study during low solar activity Silva, Heloisa A. Monico, Joao Francisco Galera Aquino, Marcio H. O. De Franceschi, Giorgiana Alfonsi, Lucilla Romano, Vincenzo Spogli, Luca Mitchell, Cathryn M. Dodson, Alan Silva, Heloisa A.; Univers Estadual Paulista (Unesp) Monico, Joao Francisco Galera; Univers Estadual Paulista (Unesp) Aquino, Marcio H. O.; Institute of Engineering Surveying and Space Geodesy (IESSG), University of Nottingham De Franceschi, Giorgiana; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia Alfonsi, Lucilla; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia Romano, Vincenzo; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia Spogli, Luca; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia Mitchell, Cathryn M.; Department of Electronic and Electrical Engineering, University of Bath Dodson, Alan; Institute of Engineering Surveying and Space Geodesy (IESSG), University of Nottingham Univers Estadual Paulista (Unesp) Institute of Engineering Surveying and Space Geodesy (IESSG), University of Nottingham Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia Department of Electronic and Electrical Engineering, University of Bath 2010-08-03 http://hdl.handle.net/2122/6380 en eng XXXI SCAR and Open Science Conference http://hdl.handle.net/2122/6380 open GNSS Scintillation mitigation techniques 01. Atmosphere::01.02. Ionosphere::01.02.07. Scintillations Poster session 2010 ftingv 2022-07-29T06:05:45Z The aim of this study is to investigate the performance of a method based on improving the stochastic model to mitigate ionospheric scintillation effects on GNSS positioning by processing experimental data from GISTM (GPS Ionospheric Scintillation and TEC Monitor) receivers, which are capable of computing amplitude and phase scintillation parameters from GPS signals. We applied the approach to mitigate ionospheric scintillation effects on GNSS positioning, in conjunction with the estimation of an ionospheric parameter, considered as a stochastic process. This approach produced, in a single epoch point positioning solution, an improvement on height and 3D accuracy of the order of 31% and of 45%, respectively, when applied in a northern high latitude GISTM network under a moderate scintillation scenario. In this project we investigated the case study of 21 November 2009 using data from GISTM stations located in Antarctica and applying the same scintillation mitigation approach to a Precise Point Positioning (PPP) solution. We used an in-house software under development at Unesp. Despite the solar activity being very low, observations from ACE indicated the influence of a recurrent coronal hole high speed stream. Solar wind speed ranged from 430 to 575 km/s, with Bz fluctuations from -8 to +9 nT, generally leading to the formation of ionospheric irregularities responsible of scintillation effects on GNSS signals. Preliminary results from this case study in the PPP mode are encouraging, showing improvements of the order of 26% in 3D accuracy when applying the proposed scintillation stochastic modeling. Unpublished Buenos Aires - Argentina 3.9. Fisica della magnetosfera, ionosfera e meteorologia spaziale open Other/Unknown Material Antarc* Antarctica Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia) Argentina |
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Open Polar |
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Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia) |
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ftingv |
language |
English |
topic |
GNSS Scintillation mitigation techniques 01. Atmosphere::01.02. Ionosphere::01.02.07. Scintillations |
spellingShingle |
GNSS Scintillation mitigation techniques 01. Atmosphere::01.02. Ionosphere::01.02.07. Scintillations Silva, Heloisa A. Monico, Joao Francisco Galera Aquino, Marcio H. O. De Franceschi, Giorgiana Alfonsi, Lucilla Romano, Vincenzo Spogli, Luca Mitchell, Cathryn M. Dodson, Alan Mitigation of ionospheric effects on GNSS positioning over Antarctica: a case study during low solar activity |
topic_facet |
GNSS Scintillation mitigation techniques 01. Atmosphere::01.02. Ionosphere::01.02.07. Scintillations |
description |
The aim of this study is to investigate the performance of a method based on improving the stochastic model to mitigate ionospheric scintillation effects on GNSS positioning by processing experimental data from GISTM (GPS Ionospheric Scintillation and TEC Monitor) receivers, which are capable of computing amplitude and phase scintillation parameters from GPS signals. We applied the approach to mitigate ionospheric scintillation effects on GNSS positioning, in conjunction with the estimation of an ionospheric parameter, considered as a stochastic process. This approach produced, in a single epoch point positioning solution, an improvement on height and 3D accuracy of the order of 31% and of 45%, respectively, when applied in a northern high latitude GISTM network under a moderate scintillation scenario. In this project we investigated the case study of 21 November 2009 using data from GISTM stations located in Antarctica and applying the same scintillation mitigation approach to a Precise Point Positioning (PPP) solution. We used an in-house software under development at Unesp. Despite the solar activity being very low, observations from ACE indicated the influence of a recurrent coronal hole high speed stream. Solar wind speed ranged from 430 to 575 km/s, with Bz fluctuations from -8 to +9 nT, generally leading to the formation of ionospheric irregularities responsible of scintillation effects on GNSS signals. Preliminary results from this case study in the PPP mode are encouraging, showing improvements of the order of 26% in 3D accuracy when applying the proposed scintillation stochastic modeling. Unpublished Buenos Aires - Argentina 3.9. Fisica della magnetosfera, ionosfera e meteorologia spaziale open |
author2 |
Silva, Heloisa A.; Univers Estadual Paulista (Unesp) Monico, Joao Francisco Galera; Univers Estadual Paulista (Unesp) Aquino, Marcio H. O.; Institute of Engineering Surveying and Space Geodesy (IESSG), University of Nottingham De Franceschi, Giorgiana; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia Alfonsi, Lucilla; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia Romano, Vincenzo; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia Spogli, Luca; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia Mitchell, Cathryn M.; Department of Electronic and Electrical Engineering, University of Bath Dodson, Alan; Institute of Engineering Surveying and Space Geodesy (IESSG), University of Nottingham Univers Estadual Paulista (Unesp) Institute of Engineering Surveying and Space Geodesy (IESSG), University of Nottingham Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia Department of Electronic and Electrical Engineering, University of Bath |
format |
Other/Unknown Material |
author |
Silva, Heloisa A. Monico, Joao Francisco Galera Aquino, Marcio H. O. De Franceschi, Giorgiana Alfonsi, Lucilla Romano, Vincenzo Spogli, Luca Mitchell, Cathryn M. Dodson, Alan |
author_facet |
Silva, Heloisa A. Monico, Joao Francisco Galera Aquino, Marcio H. O. De Franceschi, Giorgiana Alfonsi, Lucilla Romano, Vincenzo Spogli, Luca Mitchell, Cathryn M. Dodson, Alan |
author_sort |
Silva, Heloisa A. |
title |
Mitigation of ionospheric effects on GNSS positioning over Antarctica: a case study during low solar activity |
title_short |
Mitigation of ionospheric effects on GNSS positioning over Antarctica: a case study during low solar activity |
title_full |
Mitigation of ionospheric effects on GNSS positioning over Antarctica: a case study during low solar activity |
title_fullStr |
Mitigation of ionospheric effects on GNSS positioning over Antarctica: a case study during low solar activity |
title_full_unstemmed |
Mitigation of ionospheric effects on GNSS positioning over Antarctica: a case study during low solar activity |
title_sort |
mitigation of ionospheric effects on gnss positioning over antarctica: a case study during low solar activity |
publishDate |
2010 |
url |
http://hdl.handle.net/2122/6380 |
geographic |
Argentina |
geographic_facet |
Argentina |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_relation |
XXXI SCAR and Open Science Conference http://hdl.handle.net/2122/6380 |
op_rights |
open |
_version_ |
1766271548445949952 |