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Back Propagation Method for the Determination of the Vertical Location of Ionospheric Irregularities
Blekinge Institute of Technology, Faculty of Engineering, Department of Mathematics and Natural Sciences. BTH. (systems engineering)ORCID iD: 0009-0007-3574-5626
Blekinge Institute of Technology, Faculty of Engineering, Department of Mathematics and Natural Sciences.ORCID iD: 0000-0002-6643-312X
Blekinge Institute of Technology, Faculty of Engineering, Department of Mathematics and Natural Sciences.ORCID iD: 0000-0003-3945-8951
Blekinge Institute of Technology, Faculty of Engineering, Department of Mathematics and Natural Sciences.ORCID iD: 0000-0002-7769-8641
2024 (English)In: Proceedings of the 37th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2024), The Institute of Navigation (ION) , 2024, p. 3029-3037Conference paper, Published paper (Refereed)
Abstract [en]

This study presents a new back-propagation (BP) method to determine the vertical location of ionospheric irregularities using GNSS Radio Occultation (GNSS-RO) signals. GNSS-RO employs signals from GNSS satellites intercepted by Low Earth Orbit (LEO) satellites to gather data about different atmospheric layers, e.g., the ionosphere, which are crucial for weather prediction and studying ionospheric dynamics. The BP method involves computing diffractive integrals along the LEO path to identify disturbances such as sporadic E-layer clouds and equatorial plasma bubbles (EPBs). By effectively unwinding diffraction and multipath effects, the method pinpoints regions with minimal amplitude disturbance, indicating the location of ionospheric irregularities along the ray path. Beside estimates along the horizontal axis, case studies demonstrate the new method's capabilities in locating and estimating the vertical extent of these irregularities, showing its potential to enhance ionospheric modelling and forecasting. Results achieved show consistency with previous publications on the topic as well as methodologies used to locate ionospheric irregularities, allowing the presented method a better picture of the ionospheric irregularity.

Place, publisher, year, edition, pages
The Institute of Navigation (ION) , 2024. p. 3029-3037
Series
Proceedings of the Satellite Division's International Technical Meeting, ISSN 2331-5911, E-ISSN 2331-5954
Keywords [en]
GNSS-RO, Ionosphere, Scintillation, EPB, Radio-occultation
National Category
Meteorology and Atmospheric Sciences Earth Observation
Research subject
Telecommunication Systems; Systems Engineering
Identifiers
URN: urn:nbn:se:bth-27160DOI: 10.33012/2024.19755ISBN: 9780936406398 (electronic)OAI: oai:DiVA.org:bth-27160DiVA, id: diva2:1916078
Conference
37th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2024), Baltimore, Sept 16-20, 2024
Available from: 2024-11-26 Created: 2024-11-26 Last updated: 2025-02-10Bibliographically approved

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Publisher's full texthttps://doi.org/10.33012/2024.19755

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Alfonso, Quilis AlfonsoPettersson, MatsVu, Viet ThuyLudwig Barbosa, Vinícius

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Alfonso, Quilis AlfonsoPettersson, MatsVu, Viet ThuyLudwig Barbosa, Vinícius
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