2018
DOI: 10.1109/taes.2018.2798480
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On the Mitigation of Ionospheric Scintillation in Advanced GNSS Receivers

Abstract: Ionospheric scintillation is one of the major threats and most challenging propagation scenarios affecting Global Navigation Satellite Systems (GNSS) and related applications. The fact that this phenomenon causes severe degradations only in equatorial and high latitude regions has led to very few contributions dealing with the fundamental scintillation mitigation problem, being of paramount importance in safety critical applications and advanced integrity receivers. The goal of this paper is twofold, first to … Show more

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Cited by 24 publications
(18 citation statements)
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“…An expression can be obtained using a fourth‐order Taylor approximation of the time‐varying phase evolution as θd,k=θ0+2πfalse(fd,kkTs+fr,kk2Ts2/2+fj,kk3Ts3/6Doppler4.ptdynamicsfalse),where θ0 (rad) is a random constant phase value, fd,k (Hz) the carrier Doppler frequency shift, fr,k (Hz/s) the Doppler frequency rate, and fj,k (Hz/s2) the Doppler acceleration. Notice that the phase can be expressed recursively as θd,kfd,kfr,kfj,k=12πTIπTI2πTI3/301TITI2/2001TI0001θd,k1fd,k1fr,k1fj,k1,which is very convenient for state‐space formulations of the tracking problem (Vilà‐Valls, Closas, Fernández‐Prades, & Curran, 2018). Lower o...…”
Section: Background On Gnss and Ionospheric Scintillationmentioning
confidence: 99%
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“…An expression can be obtained using a fourth‐order Taylor approximation of the time‐varying phase evolution as θd,k=θ0+2πfalse(fd,kkTs+fr,kk2Ts2/2+fj,kk3Ts3/6Doppler4.ptdynamicsfalse),where θ0 (rad) is a random constant phase value, fd,k (Hz) the carrier Doppler frequency shift, fr,k (Hz/s) the Doppler frequency rate, and fj,k (Hz/s2) the Doppler acceleration. Notice that the phase can be expressed recursively as θd,kfd,kfr,kfj,k=12πTIπTI2πTI3/301TITI2/2001TI0001θd,k1fd,k1fr,k1fj,k1,which is very convenient for state‐space formulations of the tracking problem (Vilà‐Valls, Closas, Fernández‐Prades, & Curran, 2018). Lower o...…”
Section: Background On Gnss and Ionospheric Scintillationmentioning
confidence: 99%
“…(2013) and later extended in Vilà‐Valls, Closas, and Fernández‐Prades (2015b) and Vilà‐Valls et al. (2015a, 2018), where the scintillation physical phenomena is mathematically modeled as an autoregressive (AR) process, and embedded into the state‐space formulation, which allows decoupling both phase contributions of interest. This method has been tested using both synthetic and real data, providing very promising performance results.…”
Section: Scintillation Mitigationmentioning
confidence: 99%
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