A multiple phase screen ionospheric propagation model to estimate the fluctuations of transmitted signals

Béniguel, Yannick; Buonomo, S.

doi:10.1016/s1464-1917(99)00007-0

Cited by 9 publications

(9 citation statements)

References 8 publications

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“…As an output, the model returns the phase scintillation spectral index p , the spectral strength parameter T , S 4 , and rms phase σ ϕ . Another global ionospheric scintillation model, GISM, has been described by Béniguel and Buonomo ( 1999 ). The model consists of two parts; these are the NeQuick model and the scintillation model based on a multiple phase screen algorithm, and a second part which needs statistical information about the irregularities as an input.…”

Section: Discussionmentioning

confidence: 99%

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A Review of Ionospheric Scintillation Models

Priyadarshi

2015

Surv Geophys

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This is a general review of the existing climatological models of ionospheric radio scintillation for high and equatorial latitudes. Trans-ionospheric communication of radio waves from transmitter to user is affected by the ionosphere which is highly variable and dynamic in both time and space. Scintillation is the term given to irregular amplitude and phase fluctuations of the received signals and related to the electron density irregularities in the ionosphere. Key sources of ionospheric irregularities are plasma instabilities; every irregularities model is based on the theory of radio wave propagation in random media. It is important to understand scintillation phenomena and the approach of different theories. Therefore, we have briefly discussed the theories that are used to interpret ionospheric scintillation data. The global morphology of ionospheric scintillation is also discussed briefly. The most important (in our opinion) analytical and physical models of scintillation are reviewed here.

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Section: Discussionmentioning

confidence: 99%

“…The Global Ionospheric Scintillation Model (GISM) has been described by Béniguel and Buonomo ( 1999 ) and, in a slightly modified wording, by Béniguel ( 2002 ). The electron density is calculated by the model NeQuick developed by the University of Graz and ICTP Trieste (Radicella 2009 ).…”

Section: Scintillation Modelsmentioning

confidence: 99%

A Review of Ionospheric Scintillation Models

Priyadarshi

2015

Surv Geophys

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“…Various models of scintillation have been developed to predict scintillation levels and therefore assist in mitigating this problem. The simulation of scintillation effects on the signals (to be input to the software PLL models) is accomplished by using either analytical models (Fremouw & Rino 1973;Aarons 1985;Iyer et al 2006), global climatological models like the WideBand MODel (WBMOD; Secan et al 1995), Global Ionospheric Scintillation Model (Béniguel & Buonomo 1999) or in situ data-based models (Basu et al 1976;Wernik et al 2007). …”

Section: Scintillation and Tracking Modellingmentioning

confidence: 99%

Tackling ionospheric scintillation threat to GNSS in Latin America

Veettil

Aquino

Forte

et al. 2011

J. Space Weather Space Clim.

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Scintillations are rapid fluctuations in the phase and amplitude of transionospheric radio signals which are caused by small-scale plasma density irregularities in the ionosphere. In the case of the Global Navigation Satellite System (GNSS) receivers, scintillation can cause cycle slips, degrade the positioning accuracy and, when severe enough, can even lead to a complete loss of signal lock. Thus, the required levels of availability, accuracy, integrity and reliability for the GNSS applications may not be met during scintillation occurrence; this poses a major threat to a large number of modern-day GNSS-based applications. The whole of Latin America, Brazil in particular, is located in one of the regions most affected by scintillations. These effects will be exacerbated during solar maxima, the next predicted for 2013. This paper presents initial results from a research work aimed to tackle ionospheric scintillation effects for GNSS users in Latin America. This research is a part of the CIGALA (Concept for Ionospheric Scintillation Mitigation for Professional GNSS in Latin America) project, co-funded by the EC Seventh Framework Program and supervised by the GNSS Supervisory Authority (GSA), which aims to develop and test ionospheric scintillation countermeasures to be implemented in multi-frequency, multi-constellation GNSS receivers.

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“…3.1. Global Ionospheric Propagation Model (GIM) [Béniguel and Buonomo, 1999] [23] The first calculation is to determine the line of sight. This is done solving the Haselgrove equations by a raytracing technique.…”

Section: Propagation Modelmentioning

confidence: 99%

Global Ionospheric Propagation Model (GIM): A propagation model for scintillations of transmitted signals

Béniguel

2002

Radio Science

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[1] The characteristics of random ionospheric inhomogeneities are described, including their dependency on the geophysical parameters. They are used in a propagation model to estimate the propagation errors and the fades of the transmitted signals. Margins to be included in a budget link are subsequently determined. Features of our propagation model, Global Ionospheric Propagation Model (GIM), are presented with typical results for VHF and L band links.

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A multiple phase screen ionospheric propagation model to estimate the fluctuations of transmitted signals

Cited by 9 publications

References 8 publications

A Review of Ionospheric Scintillation Models

A Review of Ionospheric Scintillation Models

Tackling ionospheric scintillation threat to GNSS in Latin America

Global Ionospheric Propagation Model (GIM): A propagation model for scintillations of transmitted signals

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