Adjusting CCIR Maps to Improve Local Behaviour of Ionospheric Models
The objective of this article is to present a concept for single-frequency Global Navigation Satellite System (GNSS) positioning local ionospheric mitigation over a certain area. This concept is based on input parameters driving the NeQuick-G algorithm (the ionospheric single-frequency GNSS correcti...
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doaj-5c99d3f2dfc44de9ab96b056b953b89d2021-06-01T01:29:43ZengMDPI AGAtmosphere2073-44332021-05-011269169110.3390/atmos12060691Adjusting CCIR Maps to Improve Local Behaviour of Ionospheric ModelsHaris Haralambous0Theodoros Leontiou1Vasilis Petrou2Arun Kumar Singh3Marios Charalambides4Nikos Lithoxopoulos5Agis Agisilaou6Frederick Research Center, 1303 Nicosia, CyprusFrederick Research Center, 1303 Nicosia, CyprusGeoImaging Ltd., 2021 Nicosia, CyprusFrederick Research Center, 1303 Nicosia, CyprusFrederick Research Center, 1303 Nicosia, CyprusGeoImaging Ltd., 2021 Nicosia, CyprusGeoImaging Ltd., 2021 Nicosia, CyprusThe objective of this article is to present a concept for single-frequency Global Navigation Satellite System (GNSS) positioning local ionospheric mitigation over a certain area. This concept is based on input parameters driving the NeQuick-G algorithm (the ionospheric single-frequency GNSS correction algorithm adopted by Galileo GNSS system), estimated on a local as opposed to a global scale, from ionospheric characteristics measured by a digital ionosonde and a collocated dual-frequency Total Electron Content (TEC) monitor. This approach facilitates the local adjustment of Committee Consultative for Ionospheric Radiowave propagation (CCIR) files and the Az ionization level, which control the ionospheric electron density profile in NeQuick-G, therefore enabling better estimation of positioning errors under quiet geomagnetic conditions. This novel concept for local ionospheric positioning error mitigation may be adopted at any location where ionospheric characteristics foF2 and M(3000)F2 can be measured, as a means to enhance the accuracy of single-frequency positioning applications based on the NeQuick-G algorithm.https://www.mdpi.com/2073-4433/12/6/691ionosphereGNSStotal electron contentGalileoNeQuick model |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Haris Haralambous Theodoros Leontiou Vasilis Petrou Arun Kumar Singh Marios Charalambides Nikos Lithoxopoulos Agis Agisilaou |
spellingShingle |
Haris Haralambous Theodoros Leontiou Vasilis Petrou Arun Kumar Singh Marios Charalambides Nikos Lithoxopoulos Agis Agisilaou Adjusting CCIR Maps to Improve Local Behaviour of Ionospheric Models Atmosphere ionosphere GNSS total electron content Galileo NeQuick model |
author_facet |
Haris Haralambous Theodoros Leontiou Vasilis Petrou Arun Kumar Singh Marios Charalambides Nikos Lithoxopoulos Agis Agisilaou |
author_sort |
Haris Haralambous |
title |
Adjusting CCIR Maps to Improve Local Behaviour of Ionospheric Models |
title_short |
Adjusting CCIR Maps to Improve Local Behaviour of Ionospheric Models |
title_full |
Adjusting CCIR Maps to Improve Local Behaviour of Ionospheric Models |
title_fullStr |
Adjusting CCIR Maps to Improve Local Behaviour of Ionospheric Models |
title_full_unstemmed |
Adjusting CCIR Maps to Improve Local Behaviour of Ionospheric Models |
title_sort |
adjusting ccir maps to improve local behaviour of ionospheric models |
publisher |
MDPI AG |
series |
Atmosphere |
issn |
2073-4433 |
publishDate |
2021-05-01 |
description |
The objective of this article is to present a concept for single-frequency Global Navigation Satellite System (GNSS) positioning local ionospheric mitigation over a certain area. This concept is based on input parameters driving the NeQuick-G algorithm (the ionospheric single-frequency GNSS correction algorithm adopted by Galileo GNSS system), estimated on a local as opposed to a global scale, from ionospheric characteristics measured by a digital ionosonde and a collocated dual-frequency Total Electron Content (TEC) monitor. This approach facilitates the local adjustment of Committee Consultative for Ionospheric Radiowave propagation (CCIR) files and the Az ionization level, which control the ionospheric electron density profile in NeQuick-G, therefore enabling better estimation of positioning errors under quiet geomagnetic conditions. This novel concept for local ionospheric positioning error mitigation may be adopted at any location where ionospheric characteristics foF2 and M(3000)F2 can be measured, as a means to enhance the accuracy of single-frequency positioning applications based on the NeQuick-G algorithm. |
topic |
ionosphere GNSS total electron content Galileo NeQuick model |
url |
https://www.mdpi.com/2073-4433/12/6/691 |
work_keys_str_mv |
AT harisharalambous adjustingccirmapstoimprovelocalbehaviourofionosphericmodels AT theodorosleontiou adjustingccirmapstoimprovelocalbehaviourofionosphericmodels AT vasilispetrou adjustingccirmapstoimprovelocalbehaviourofionosphericmodels AT arunkumarsingh adjustingccirmapstoimprovelocalbehaviourofionosphericmodels AT marioscharalambides adjustingccirmapstoimprovelocalbehaviourofionosphericmodels AT nikoslithoxopoulos adjustingccirmapstoimprovelocalbehaviourofionosphericmodels AT agisagisilaou adjustingccirmapstoimprovelocalbehaviourofionosphericmodels |
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