Monitoring and Mitigation of Ionospheric Anomalies for GNSS-Based Safety Critical Systems: A review of up-to-date signal processing techniques

J Lee, YTJ Morton, J Lee, HS Moon… - IEEE Signal Processing …, 2017 - ieeexplore.ieee.org
The ionosphere has been the most challenging source of error to mitigate within the
community of global navigation satellite system (GNSS)-based safety-critical systems. Users …

Markov Chain‐Based Stochastic Modeling of Deep Signal Fading: Availability Assessment of Dual‐Frequency GNSS‐Based Aviation Under Ionospheric Scintillation

AK Sun, H Chang, S Pullen, H Kil, J Seo… - Space …, 2021 - Wiley Online Library
Deep signal fading due to ionospheric scintillation severely impacts global navigation
satellite system (GNSS)‐based applications. GNSS receivers run the risk of signal loss …

Future dual-frequency GPS navigation system for intelligent air transportation under strong ionospheric scintillation

J Seo, T Walter - IEEE Transactions on Intelligent …, 2014 - ieeexplore.ieee.org
GPS technology is essential for future intelligent air transportation systems such as the Next
Generation Air Transportation System (NextGen) of the United States. However, observed …

Equatorial scintillation amplitude fading characteristics across the GPS frequency bands

Y Jiao, D Xu, Y Morton, C Rino - Navigation: Journal of The …, 2016 - Wiley Online Library
Deep signal fading during ionospheric scintillation possesses a threat to GNSS signal
tracking and degrades position, navigation, and timing solution accuracy. Understanding the …

Low-latitude scintillation occurrences around the equatorial anomaly crest over Indonesia

P Abadi, S Saito, W Srigutomo - Annales Geophysicae, 2014 - angeo.copernicus.org
We investigated low-latitude ionospheric scintillation in Indonesia using two GPS receivers
installed at Bandung (107.6° E, 6.9° S; magnetic latitude 17.5° S) and Pontianak (109.3° E …

A deep fading assessment of the modernized L2C and L5 signals for low-latitude regions

LA Salles, A Moraes, B Vani, J Sousasantos… - GPS Solutions, 2021 - Springer
When plasma instabilities arise in the post-sunset time, the so-called ionospheric plasma
bubbles may develop, causing amplitude fades and phase oscillations, decreasing the …

Impacts of ionospheric scintillations on GPS receivers intended for equatorial aviation applications

AO Akala, PH Doherty, CS Carrano… - Radio …, 2012 - ieeexplore.ieee.org
This study examines the impacts of ionospheric scintillations on GPS receivers that are
intended for equatorial or transequatorial aviation applications. We analyzed GPS data that …

A USRP2-based reconfigurable multi-constellation multi-frequency GNSS software receiver front end

S Peng, Y Morton - GPS Solutions, 2013 - Springer
We present a multi-constellation multi-band GNSS software receiver front end based on
USRP2, a general purpose radio platform. When integrated with appropriate daughter …

Multifractality due to long-range correlation in the L-band ionospheric scintillation S 4 index time series

HJ Tanna, KN Pathak - Astrophysics and Space Science, 2014 - Springer
The earth's ionosphere is well recognized as a dynamical system and non-linearly coupled
with the magnetosphere above and natural atmosphere below. The shape and time …

A multifrequency GPS signal strong equatorial ionospheric scintillation simulator: algorithm, performance, and characterization

Y Jiao, D Xu, CL Rino, YT Morton… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper presents a physics-based, data-consistent, multifrequency GPS scintillation
signal simulator. The simulator is based on the two-component power-law phase screen …