Position, navigation, and timing (PNT) through low earth orbit (LEO) satellites: A survey on current status, challenges, and opportunities

FS Prol, RM Ferre, Z Saleem, P Välisuo, C Pinell… - IEEE …, 2022 - ieeexplore.ieee.org
More and more satellites are populating the sky nowadays in the Low Earth orbits (LEO).
Most of the targeted applications are related to broadband and narrowband …

Global‐scale ionospheric tomography during the March 17, 2015 geomagnetic storm

FS Prol, T Kodikara, MM Hoque, C Borries - Space Weather, 2021 - Wiley Online Library
The correct representation of global‐scale electron density is crucial for monitoring and
exploring the space weather. This study investigates whether the ground‐based Global …

A tomographic method for the reconstruction of the plasmasphere based on COSMIC/FORMOSAT-3 data

FS Prol, MM Hoque - IEEE Journal of Selected Topics in …, 2022 - ieeexplore.ieee.org
A tomographic method has been developed for reconstructing the topside ionospheric and
plasmaspheric electron density distribution using total electron content (TEC) measurements …

The potential of LEO-PNT mega-constellations for Ionospheric 3-D imaging: a Simulation Study

FS Prol, A Smirnov, S Kaasalainen… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
The rapid increase of the number of low Earth orbit (LEO) satellites brings up the possibility
of LEO satellite missions transmitting dedicated signals for positioning, navigation, and …

Global Three‐Dimensional Ionospheric Tomography by Combination of Ground‐Based and Space‐Borne GNSS Data

D Mei, X Ren, H Liu, X Le, S Xiong, X Zhang - Space Weather, 2023 - Wiley Online Library
The inhomogeneous distribution of Global Navigation Satellite System (GNSS) data is a
significant problem for global GNSS computerized ionospheric tomography (CIT). By …

Challenges of global-scale ionospheric tomography using GNSS: A brief overview

FS Prol - 2022 3rd URSI Atlantic and Asia Pacific Radio …, 2022 - ieeexplore.ieee.org
Challenges of Global-Scale Ionospheric Tomography using GNSS: A brief overview Page 1 3rd
URSI AT-AP-RASC, Gran Canaria, 29 May – 3 June 2022 Challenges of Global-Scale …

Ionospheric tomography for SWARM satellite orbit determination using single-frequency GNSS data

FS Prol, A Pignalberi, A Smirnov, M Pezzopane… - GPS Solutions, 2025 - Springer
Ionospheric tomography offers three-dimensional (3D) description of the electron density
distribution, enabling the direct incorporation of electron density data into the slant total …

[HTML][HTML] Validation of the NeQuick model, Ensemble Kalman filter and SMART+ based estimations of the topside ionosphere and plasmasphere

T Gerzen, D Minkwitz, M Schmidt, S Rudenko - Advances in Space …, 2024 - Elsevier
In this work, we analyse the performance of an Ensemble Kalman filter (EnKF) approach, the
simultaneous multiplicative column normalized method SMART+ and the NeQuick model to …

A new climatological electron density model for supporting space weather services

MM Hoque, N Jakowski, FS Prol - Journal of Space Weather and …, 2022 - swsc-journal.org
The ionosphere is the ionized part of the Earth's atmosphere, ranging from about 60 km up
to several Earth radii, whereas the upper part above about 1000 km height up to the …

Topside ionosphere and plasmasphere modelling using GNSS radio occultation and POD data

FS Prol, MM Hoque - Remote Sensing, 2021 - mdpi.com
A 3D-model approach has been developed to describe the electron density of the topside
ionosphere and plasmasphere based on Global Navigation Satellite System (GNSS) …