Hoque, Mohammed Mainul and Jakowski, Norbert and Cahuasqui Llerena, Juan Andres (2021) Fast Ionospheric Correction Algorithm for Galileo Single Frequency Users. The European Navigation Conference ENC 2020, Dresden, Germany. doi: 10.23919/ENC48637.2020.9317502.
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Official URL: https://ieeexplore.ieee.org/document/9317502
Abstract
We propose an alternative ionospheric correction approach for single frequency Galileo users. In the proposed approach the broadcasted coefficients are used to drive the Neustrelitz Total Electron Content (TEC) Model (NTCM) instead of the standard Galileo ionosphere model NeQuick-G. The NTCM-based correction approach uses 12 model coefficients, the solar radio flux index F10 and a few empirically fixed parameters. The required TEC values can be computed at any location and time without using any spatial or temporal interpolation of parameters. This makes NTCM very fast running in operational applications. The presented approach performs well when fed with the same Az parameter as NeQuick-G. The global performance analysis with reference Vertical Total Electron Content (VTEC) data from the International GNSS Service (IGS) shows that the performance of the NTCM was better than that of NeQuick-G. A comparison with reference Slant TEC (STEC) data shows that there is no significant difference between both models performance in terms of residual statistics such as Root Mean Square (RMS), mean and Standard Deviation (STD). Here, an improved mapping function could even reduce corresponding errors when transforming NTCM derived VTEC to STEC values used for comparison. When comparing the computational time, it is found that the NTCM use is in average 65 times faster than the NeQuick-G operation.
Item URL in elib: | https://elib.dlr.de/148774/ | ||||||||||||
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Document Type: | Conference or Workshop Item (Speech) | ||||||||||||
Title: | Fast Ionospheric Correction Algorithm for Galileo Single Frequency Users | ||||||||||||
Authors: |
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Date: | 2021 | ||||||||||||
Refereed publication: | Yes | ||||||||||||
Open Access: | No | ||||||||||||
Gold Open Access: | No | ||||||||||||
In SCOPUS: | No | ||||||||||||
In ISI Web of Science: | No | ||||||||||||
DOI: | 10.23919/ENC48637.2020.9317502 | ||||||||||||
Status: | Published | ||||||||||||
Keywords: | Ionospheric Correction Algorithm, Galileo Single Frequency Users, NTCM G, GNSS, TEC | ||||||||||||
Event Title: | The European Navigation Conference ENC 2020 | ||||||||||||
Event Location: | Dresden, Germany | ||||||||||||
Event Type: | international Conference | ||||||||||||
HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||
HGF - Program: | Space | ||||||||||||
HGF - Program Themes: | Communication, Navigation, Quantum Technology | ||||||||||||
DLR - Research area: | Raumfahrt | ||||||||||||
DLR - Program: | R KNQ - Communication, Navigation, Quantum Technology | ||||||||||||
DLR - Research theme (Project): | R - Ionosphere | ||||||||||||
Location: | Neustrelitz | ||||||||||||
Institutes and Institutions: | Institute for Solar-Terrestrial Physics > Space Weather Observation | ||||||||||||
Deposited By: | Hoque, Mohammed Mainul | ||||||||||||
Deposited On: | 24 Feb 2022 10:18 | ||||||||||||
Last Modified: | 24 Feb 2022 10:18 |
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