Survey on optimization methods for LEO-satellite-based networks with applications in future autonomous transportation

K Çelikbilek, Z Saleem, R Morales Ferre, J Praks… - Sensors, 2022 - mdpi.com
Future autonomous transportation is one of the most demanding application areas in terms
of connectivity, as it has to simultaneously meet stringent criteria that do not typically go …

A neural network‐based ionospheric model over Africa from Constellation Observing System for Meteorology, Ionosphere, and Climate and Ground Global Positioning …

D Okoh, G Seemala, B Rabiu… - Journal of …, 2019 - Wiley Online Library
The first regional total electron content (TEC) model over the entire African region (known as
AfriTEC model) using empirical observations is developed and presented. Artificial neural …

[HTML][HTML] Launch and deployment of distributed small satellite systems

NH Crisp, K Smith, P Hollingsworth - Acta Astronautica, 2015 - Elsevier
The rise in launch and use of small satellites in the past decade, a result of improved
functionality through technology miniaturisation and alternative design philosophies, has …

Storm‐time modeling of the African regional ionospheric total electron content using artificial neural networks

D Okoh, JB Habarulema, B Rabiu, G Seemala… - Space …, 2020 - Wiley Online Library
This paper presents the development of a storm‐time total electron content (TEC) model
over the African sector for the first time. The storm criterion used was| Dst|≥ 50 nT and Kp≥ …

A multi-objective optimization framework of constellation design for emergency observation

J Hu, H Huang, L Yang, Y Zhu - Advances in Space Research, 2021 - Elsevier
To meet the urgent needs of emergency observation missions, a well-designed constellation
is key to ensuring system performance. This paper presents a multi-objective optimization …

Deployment strategies of a satellite constellation for polar ice monitoring

M Pontani, P Teofilatto - Acta Astronautica, 2022 - Elsevier
This research considers a constellation of 16 satellites equipped with SAR sensors and
tailored to monitoring the polar ice evolution, with a suitable revisit time over the regions of …

[HTML][HTML] Optimization of constellation deployment using on-board propulsion and Earth nodal regression

G Di Pasquale, M Sanjurjo-Rivo, DP Grande - Advances in Space …, 2022 - Elsevier
Constellation deployment using on-board propulsion is a cost-effective way for distributing
multiple satellites into different orbital planes using a minimal number of launches. This …

Miniature microwave discharge ion thruster driven by 1 watt microwave power

H Koizumi, H Kuninaka - Journal of Propulsion and Power, 2010 - arc.aiaa.org
THE age of space exploration using self-propelled small spacecraft is approaching. In the
past decade, research and development of small spacecraft have advanced extensively …

Mars constellation design and low-thrust deployment using nonlinear orbit control

M Pontani, M Pustorino, P Teofilatto - The Journal of the Astronautical …, 2022 - Springer
This research addresses the design of a Mars constellation composed of 12 satellites and
devoted to telecommunications. While 3 satellites travel areostationary orbits, the remaining …

Develo** novel multi-plane satellite constellation deployment methods using the concept of nodal precession

H Mahdisoozani, M Bakhtiari, K Daneshjoo - Advances in Space Research, 2021 - Elsevier
Deployment of multi-plane satellite constellations has become a fresh challenge in the
space program missions since all the direct solutions including plane changing maneuvers …