Extracting ionospheric phase scintillation indicator from GNSS observations with 30-s sampling interval in the high-latitude region

Zhao, Dongsheng; Zhang, Xueli; Li, Wang; Wang, Qianxin; Hancock, Craig M.; Li, Chendong; Roberts, Gethin Wyn; Zhang, Kefei

doi:10.1007/s10291-023-01418-4

Cited by 5 publications

(2 citation statements)

References 30 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Due to the higher Fresnel frequency and the larger scope of ionospheric irregularities in the polar region than those in the low-latitude region, phase scintillations are more often observed than amplitude scintillations in the polar region (Jiao and Morton 2015;Priyadarshi et al 2018), making the study of the ionospheric scintillation in the high-latitude region is usually represented by the phase scintillation index, e.g. Zhao et al (2021). However, recent studies have shown that the amplitude and phase scintillations can be roughly equivalent in some regions of the auroral oval (Wang et al 2016).…”

Section: Introductionmentioning

confidence: 99%

Statistical study on the characterization of phase and amplitude scintillation events in the high-latitude region during 2014–2020 based on ISMR

Zhao

Wang

et al. 2022

Advances in Space Research

View full text Add to dashboard Cite

Section: Introductionmentioning

confidence: 99%

Statistical study on the characterization of phase and amplitude scintillation events in the high-latitude region during 2014–2020 based on ISMR

Zhao

Wang

et al. 2022

Advances in Space Research

View full text Add to dashboard Cite

“…Scintillation parameters can be generated from data with a frequency of at least 1 Hz [15][16][17][18]. Thus, scintillation parameters can be obtained from standard geodetic receivers.…”

Section: Introductionmentioning

confidence: 99%

Mitigating the Scintillation Effect on GNSS Signals Using MP and ROTI

Hancock

Veettil

et al. 2022

Remote Sensing

View full text Add to dashboard Cite

Ionospheric scintillation is one of the main error sources of Global Navigation Satellite System (GNSS) positioning. The presence of scintillation may result in cycle slips, measurement errors or even losses of lock on satellites, eventually leading to complete failure of positioning. Typically, scintillation parameters S4 and σϕ are used to characterize amplitude and phase scintillation, respectively. However, the scintillation parameters can only be generated from data with a frequency of at least 1 Hz. Rate of change of total electron content index (ROTI) is often used as a proxy for scintillation parameters, which can be obtained from 1/30 Hz data. However, previous research has shown the inefficiency of ROTI to represent scintillation. Therefore, the multipath parameter (MP) has been proposed as another proxy for scintillation parameters, which can also be obtained from 1/30 Hz data. In this paper, both MP and ROTI (standard parameters) were used to mitigate scintillation effects on precise point positioning (PPP). To evaluate the effectiveness of MP and ROTI in mitigating scintillation effects, S4 and σϕ were also used for comparison and validation. Three strategies are proposed: (1) remove all observations from the satellite that is most affected by scintillation; (2) remove the scintillation-affected observations; (3) weight the measurement noise matrix in the Kalman Filter (KF) process. The results show that the observation removal and weighting strategies are considerably more effective than the satellite removal strategy. The results also show that the improvement of PPP outputs reaches 93.1% and the performance of standard parameters is comparable to that of scintillation parameters in the observation removal and weighting strategies.

show abstract

Usability analysis of the amplitude scintillation index S4c derived from BDS-3 observations

Li,

Luo,

Yue

et al. 2023

Advances in Space Research

View full text Add to dashboard Cite

Extracting ionospheric phase scintillation indicator from GNSS observations with 30-s sampling interval in the high-latitude region

Cited by 5 publications

References 30 publications

Statistical study on the characterization of phase and amplitude scintillation events in the high-latitude region during 2014–2020 based on ISMR

Statistical study on the characterization of phase and amplitude scintillation events in the high-latitude region during 2014–2020 based on ISMR

Mitigating the Scintillation Effect on GNSS Signals Using MP and ROTI

Usability analysis of the amplitude scintillation index S4c derived from BDS-3 observations

Contact Info

Product

Resources

About