Statistical characterization of ionospheric scintillation using a phase-screen model

A fast technique to simulate the effect of equatorial ionospheric scintillation on GNSS signals was proposed by the authors in a previous work. The algorithm uses a single-layer phase-screen model of the ionosphere and the scintillation is expressed by the Huygens-Fresnel (HF) integral which can be...

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Detalhes bibliográficos
Autor principal: Nunes, Fernando (author)
Outros Autores: Sousa, Fernando (author), Marçal, José M. V. (author)
Formato: conferenceObject
Idioma:eng
Publicado em: 2019
Assuntos:
Texto completo:http://hdl.handle.net/10400.21/9866
País:Portugal
Oai:oai:repositorio.ipl.pt:10400.21/9866
Descrição
Resumo:A fast technique to simulate the effect of equatorial ionospheric scintillation on GNSS signals was proposed by the authors in a previous work. The algorithm uses a single-layer phase-screen model of the ionosphere and the scintillation is expressed by the Huygens-Fresnel (HF) integral which can be determined analytically. Herein, we characterize statistically the amplitude and phase obtained with the HF integral for different values of the scintillation index S4. A phase unwrapper is also developed to determine the phase from the modulo two-pi version provided by the argument of the HF integral.