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   Articles with "ionospheric scintillation" as a keyword



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Methodology to estimate ionospheric scintillation risk maps and their contribution to position dilution of precision on the ground

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recommendations! Published in 2020 at "Journal of Geodesy"

DOI: 10.1007/s00190-020-01344-0

Abstract: Satellite-based communications, navigation systems and many scientific instruments rely on observations of trans-ionospheric signals. The quality of these signals can be deteriorated by ionospheric scintillation which can have detrimental effects on the mentioned applications. Therefore,… read more here.

Keywords: methodology; ground; ionospheric scintillation; scintillation ... See more keywords
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Tuning a Kalman filter carrier tracking algorithm in the presence of ionospheric scintillation

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recommendations! Published in 2017 at "GPS Solutions"

DOI: 10.1007/s10291-016-0597-y

Abstract: Strong ionospheric electron content gradients may lead to fast and unpredictable fluctuations in the phase and amplitude of the signals from Global Navigation Satellite Systems (GNSS). This phenomenon, known as ionospheric scintillation, is capable of… read more here.

Keywords: ionospheric scintillation; kalman filter; scintillation; carrier tracking ... See more keywords
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Investigation of ionospheric scintillation effects on BDS precise point positioning at low-latitude regions

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recommendations! Published in 2018 at "GPS Solutions"

DOI: 10.1007/s10291-018-0728-8

Abstract: We present a study on the effects of ionospheric scintillation on BeiDou Navigation Satellite System (BDS) precise point positioning (PPP) at low-latitude regions. The analysis was carried out using BDS data collected by a newly… read more here.

Keywords: low latitude; bds precise; ionospheric scintillation; precise point ... See more keywords
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Ionospheric scintillation intensity fading characteristics and GPS receiver tracking performance at low latitudes

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recommendations! Published in 2019 at "GPS Solutions"

DOI: 10.1007/s10291-019-0835-1

Abstract: Ionospheric scintillation refers to rapid fluctuations in signal amplitude/phase when radio signals propagate through irregularities in the ionosphere. The occurrence of ionospheric scintillation can severely degrade the Global Navigation Satellite System (GNSS) receiver tracking loop… read more here.

Keywords: intensity fading; ionospheric scintillation; scintillation; receiver tracking ... See more keywords
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Better thresholds and weights to improve GNSS PPP under ionospheric scintillation activity at low latitudes

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recommendations! Published in 2019 at "GPS Solutions"

DOI: 10.1007/s10291-019-0924-1

Abstract: Ionospheric scintillation can degrade the global navigation satellite system (GNSS) measurement quality and even result in loss of signal lock, thus degrading the accuracy and reliability of GNSS precise point positioning (PPP). To reduce the… read more here.

Keywords: strategy; ionospheric scintillation; gnss ppp; scintillation ... See more keywords
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Ionospheric scintillation forecasting model based on NN-PSO technique

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recommendations! Published in 2017 at "Astrophysics and Space Science"

DOI: 10.1007/s10509-017-3144-6

Abstract: The forecasting and modeling of ionospheric scintillation effects are crucial for precise satellite positioning and navigation applications. In this paper, a Neural Network model, trained using Particle Swarm Optimization (PSO) algorithm, has been implemented for… read more here.

Keywords: ionospheric scintillation; scintillation; pso; scintillation forecasting ... See more keywords
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Detection of ionospheric scintillation effects using LMD–DFA

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recommendations! Published in 2017 at "Acta Geophysica"

DOI: 10.1007/s11600-017-0058-1

Abstract: The performance and measurement accuracy of global navigation satellite system (GNSS) receivers is greatly affected by ionospheric scintillations. Rapid amplitude and phase variations in the received GPS signal, known as ionospheric scintillation, affects the tracking… read more here.

Keywords: scintillation effects; ionospheric scintillation; scintillation; using lmd ... See more keywords
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Statistical evaluation of GLONASS amplitude scintillation over low latitudes in the Brazilian territory

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recommendations! Published in 2017 at "Advances in Space Research"

DOI: 10.1016/j.asr.2017.09.032

Abstract: Abstract The ionospheric scintillation, generated by the ionospheric plasma irregularities, affects the radio signals that pass through it. Their effects are widely studied in the literature with two different approaches. The first one deals with… read more here.

Keywords: ionospheric scintillation; glonass; statistical evaluation; scintillation ... See more keywords
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Multicomponent Analysis of Ionospheric Scintillation Effects Using the Synchrosqueezing Technique for Monitoring and Mitigating their Impact on GNSS Signals

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recommendations! Published in 2018 at "Journal of Navigation"

DOI: 10.1017/s0373463318000929

Abstract: Ionospheric scintillation effects degrade satellite-based radio communication/navigation links and influence the performance of Global Navigation Satellite Systems (GNSS). An adaptive wavelet-based decomposition technique, Synchrosqueezing Transform (SST), with a Detrended Fluctuation Analysis (DFA) algorithm has been… read more here.

Keywords: technique; scintillation effects; analysis; ionospheric scintillation ... See more keywords
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Assessing LoRa for Satellite-to-Earth Communications Considering the Impact of Ionospheric Scintillation

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recommendations! Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2020.3022433

Abstract: Since the appearance of 5G, Internet of Things (IoT) has gained an increased interest, with multiple technologies emerging and converging to cover different user needs. One of the biggest challenges today is to have global… read more here.

Keywords: scintillation; earth; assessing lora; satellite earth ... See more keywords
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Mitigation of Ionospheric Scintillation Effects on GNSS Signals Using Variational Mode Decomposition

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recommendations! Published in 2017 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2016.2644723

Abstract: This letter addresses the problem of ionospheric scintillation effects on the global navigation satellite system (GNSS) signals. Severe scintillations degrade the signal intensity below the fade margin of the GNSS receiver, resulting in failure of… read more here.

Keywords: scintillation effects; ionospheric scintillation; scintillation; mitigation ... See more keywords