IEEE Future Networks World Forum
On-Demand through 15 November 2022

TUT12: LEO Satellite-based Communication Systems: A Novel Modelling Technique


We are witnessing an unprecedented boost in the space industry. The significant technological advances in the low earth orbit (LEO) satellites industry have opened the door to a new realm of LEO-based applications. One key application is providing internet broadband services to people everywhere around the globe, which is considered a significant step towards resolving the digital divide problem. The main driver to achieving such satellite-based global connectivity is deploying large numbers of LEO satellites at a set of altitudes, ranging from 300 km to 1500 km, to ensure that every part of the earth will be covered by at least one satellite at all times. Given that we have multiple competing companies launching various constellations with diverse altitudes and numbers of satellites, we can envision a set of spheres concentric with the earth with large numbers of LEO satellites distributed on the surfaces of each of these spheres. Due to the fundamental difference between these novel communication systems, especially the spatial distribution of the communication nodes, and the typical terrestrial communication networks, we need to think of creative techniques to analyze such communication systems mathematically. In this tutorial, we discuss a recently proposed mathematical framework that enables tractable analysis of LEO satellite-enabled communication systems while capturing the influence of satellites’ numbers and altitudes and the spatial distribution of earth stations. Firstly, we describe how this stochastic geometry-based framework is modeled and discuss its accuracy. Next, we provide a detailed example of where this framework can be used for coverage analysis. We then introduce and discuss integrated space-aerial-terrestrial networks. Finally, we discuss how this framework can be used to study routing and end-to-end latency analysis in such networks. Realistic values from existing constellations, such as OneWeb and Starlink, are further used as case studies in this tutorial.


Mustafa A. Kishk, IEEE Member 

Short Bio: Mustafa A. Kishk [S’16, M’18] is an Assistant Professor in the Electronic Engineering Department at Maynooth University, Ireland. Before that, he was a postdoctoral research fellow in the communication theory lab at KAUST. He received his B.Sc. and M.Sc. degree from Cairo University in 2013 and 2015, respectively, and his Ph.D. degree from Virginia Tech in 2018. His current research interests include UAV-enable communication systems and satellite communications.


Mohamed-Slim Alouini, IEEE Fellow

Short Bio: Mohamed-Slim Alouini [S’94-M’98-SM’03-F’09] was born in Tunis, Tunisia. He received the Ph.D. degree in Electrical Engineering from the California Institute of Technology (Caltech), Pasadena, CA, USA, in 1998. He served as a faculty member in the University of Minnesota, Minneapolis, MN, USA, then in the Texas A&M University at Qatar, Education City, Doha, Qatar before joining KAUST, Thuwal, Makkah Province, Saudi Arabia as a Professor of Electrical Engineering in 2009. His current research interests include the modeling, design, and performance analysis of wireless communication systems.


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