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Positioning performance of the NTCM model driven by GPS Klobuchar model parameters

Hoque, Mohammed Mainul and Jakowski, Norbert and Berdermann, Jens (2018) Positioning performance of the NTCM model driven by GPS Klobuchar model parameters. Journal of Space Weather and Space Climate. EDP Sciences. DOI: 10.1051/swsc/2018009 ISSN 2115-7251

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Official URL: https://www.swsc-journal.org/articles/swsc/abs/2018/01/swsc170064/swsc170064.html

Abstract

Users of the Global Positioning System (GPS) utilize the Ionospheric Correction Algorithm (ICA) also known as Klobuchar model for correcting ionospheric signal delay or range error. Recently, we developed an ionosphere correction algorithm called NTCM-Klobpar model for single frequency GNSS applications. The model is driven by a parameter computed from GPS Klobuchar model and consecutively can be used instead of the GPS Klobuchar model for ionospheric corrections. In the presented work we compare the positioning solutions obtained using NTCM-Klobpar with those using the Klobuchar model. Our investigation using worldwide ground GPS data from a quiet and a perturbed ionospheric and geomagnetic activity period of 17 days each shows that the 24 hour prediction performance of the NTCM-Klobpar is better than the GPS Klobuchar model in global average. The root mean squared deviation of the 3D position errors are found to be about 0.24 and 0.45 m less for the NTCM-Klobpar compared to the GPS Klobuchar model during quiet and perturbed condition, respectively. The presented algorithm has the potential to continuously improve the accuracy of GPS single frequency mass market devices with only little software modification.

Item URL in elib:https://elib.dlr.de/123723/
Document Type:Article
Title:Positioning performance of the NTCM model driven by GPS Klobuchar model parameters
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Hoque, Mohammed MainulMainul.Hoque (at) dlr.dehttps://orcid.org/0000-0001-5134-4901
Jakowski, NorbertNorbert.Jakowski (at) dlr.deUNSPECIFIED
Berdermann, JensJens.Berdermann (at) dlr.dehttps://orcid.org/0000-0002-3308-4584
Date:2018
Journal or Publication Title:Journal of Space Weather and Space Climate
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.1051/swsc/2018009
Publisher:EDP Sciences
ISSN:2115-7251
Status:Published
Keywords:GNSS, ionosphere model, NTCM, GPS single frequency correction
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Communication and Navigation
DLR - Research area:Raumfahrt
DLR - Program:R KN - Kommunikation und Navigation
DLR - Research theme (Project):R - Vorhaben Ionosphäre
Location: Neustrelitz
Institutes and Institutions:Institute of Communication and Navigation
Institute of Communication and Navigation > Navigation
Deposited By: Hoque, Mohammed Mainul
Deposited On:28 Nov 2018 10:46
Last Modified:10 Jul 2019 11:34

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