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Broadband Non-Geostationary Satellite Communication Systems: Research Challenges and Key Opportunities
Al-Hraishawi, Hayder; Chatzinotas, Symeon; Ottersten, Björn
2021IEEE International Conference on Communications
 

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Keywords :
NGSO satellites; satellite communications; research challenges
Abstract :
[en] Besides conventional geostationary (GSO) satellite broadband communication services, non-geostationary (NGSO) satellites are envisioned to support various new communication use cases from countless industries. These new scenarios bring many unprecedented challenges that will be discussed in this paper alongside with several potential future research opportunities. NGSO systems are known for various advantages, including their important features of low cost, lower propagation delay, smaller size, and lower losses in comparison to GSO satellites. However, there are still many deployment challenges to be tackled to ensure seamless integration not only with GSO systems but also with terrestrial networks. In this paper, we discuss several key challenges including satellite constellation and architecture designs, coexistence with GSO systems in terms of spectrum access and regulatory issues, resource management algorithms, and NGSO networking requirements. Additionally, the latest progress in provisioning secure communication via NGSO systems is discussed. Finally, this paper identifies multiple important open issues and research directions to inspire further studies towards the next generation of satellite networks.
Research center :
Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg
Disciplines :
Electrical & electronics engineering
Author, co-author :
Al-Hraishawi, Hayder  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Chatzinotas, Symeon  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Ottersten, Björn ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
External co-authors :
no
Language :
English
Title :
Broadband Non-Geostationary Satellite Communication Systems: Research Challenges and Key Opportunities
Publication date :
June 2021
Event name :
IEEE International Conference on Communications
Event place :
Montreal, Canada
Event date :
From 14-06-2021 to 23-06-2021
Audience :
International
Focus Area :
Security, Reliability and Trust
Name of the research project :
MEGALEO: Self-Organized Lower Earth Orbit Mega-Constellations
Funders :
FNR - Fonds National de la Recherche [LU]
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