Assessment of NeQuick ionospheric model for Galileo single-frequency users

• Autorzy: Angrisano, A. , Gaglione, S. , Gioia, C. , Massaro, M. , Robustelli, U.
• Języki publikacji: EN

Abstrakty

EN

The ionosphere is the main error source in GNSS measurements and in extreme cases can degrade the positioning significantly, with errors exceeding 100 m; therefore, modelling and predicting of this type of error is crucial and critical. The ionospheric effect can be reduced using different techniques, such as dual-frequency receiver or suitable augmentation system (DGPS, SBAS); the aforesaid approaches involve the use of expensive devices and/or complex architectures. Single frequency stand-alone receivers are the cheapest and most widespread GNSS devices; they can estimate and partially correct the error due to the ionosphere, through adequate algorithms, which use parameters broadcasted by the navigation message. The aim of this paper is performance assessment of the ionospheric model NeQuick, adopted by the European GNSS Galileo for single frequency receivers. The analysis is performed in measurements domain and the data are collected in different geographical locations and in various geomagnetic conditions.

Słowa kluczowe

EN

GNSS; Galileo; ionospheric model; NeQuick; Klobuchar

• Czasopismo: Acta Geophysica
• Rocznik: 2013
• Tom: Vol. 61, no. 6
• Strony: 1457--1476
• Opis fizyczny: Bibliogr. 36 poz.

Twórcy

autor

Angrisano, A.

• Department of Applied Sciences, PArthenope Navigation Group (PANG), “Parthenope” University of Naples, Napoli, Italy

autor

Gaglione, S.

• Department of Applied Sciences, PArthenope Navigation Group (PANG), “Parthenope” University of Naples, Napoli, Italy,

autor

Gioia, C.

• Department of Applied Sciences, PArthenope Navigation Group (PANG), “Parthenope” University of Naples, Napoli, Italy

autor

Massaro, M.

• Department of Applied Sciences, PArthenope Navigation Group (PANG), “Parthenope” University of Naples, Napoli, Italy

autor

Robustelli, U.

• Department of Applied Sciences, PArthenope Navigation Group (PANG), “Parthenope” University of Naples, Napoli, Italy

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Identyfikatory

DOI

10.2478/s11600-013-0116-2