Article (Scientific journals)
Resource Dimensioning of Broadband Satellite Return Networks Affected by Spatially-Correlated Rain Fade
LACOSTE, Clément; Martins, Wallace A.; CHATZINOTAS, Symeon et al.
2024In IEEE Transactions on Aerospace and Electronic Systems, 60 (5), p. 6011 - 6036
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Keywords :
Multibeam satellites; rain attenuation; return link; satellite communications; Broadband Communication; Correlation; Multibeam satellite; Quality-of-service; Rain attenuation; Rain fades; Rain fading; Return link; Satellite broadcasting; Satellite communications; Aerospace Engineering; Electrical and Electronic Engineering; Satellites; Rain; Quality of service
Abstract :
[en] Rain attenuation is a major concern in satellite links operating in Ka-band, and fade mitigation comes at the expense of higher satellite resource consumption, such as bandwidth and power. An accurate estimation of these resources is essential for the satellite service providers' overall service pricing. However, the spatial correlation of rain fade introduces a high level of model complexity, such that its impact on resource consumption is currently unknown. This article proposes a satellite resource dimensioning process that accounts for such a correlation. First, broadband satellite networks and service level agreements are introduced along with existing dimensioning techniques. Then, a resource demand model is presented, from a single terminal to a system-wide point of view. Subsequently, the satellite resource dimensioning problem is formulated as a quantile estimation problem. A Monte Carlo process is proposed to solve the problem for a given relative confidence interval using spatially correlated rain fade sample generators. Finally, residential and enterprise broadband satellite simulation scenarios are thoroughly presented and numerical results are provided. Comparing these results against optimistic (independent) and pessimistic (fully correlated) rain fade assumptions found in existing dimensioning techniques, the proposed method shows that these techniques can be underestimated by up to 70% or overestimated by up to 60% of the satellite resource consumption.
Disciplines :
Computer science
Author, co-author :
LACOSTE, Clément  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust > SigCom > Team Symeon CHATZINOTAS
Martins, Wallace A.;  Université de Toulouse, Fédération ENAC ISAE-SUPAERO ONERA, Toulouse France
CHATZINOTAS, Symeon  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Emiliani, Luis D.;  Société Européenne des Satellites (SES), Betzdorf, Luxembourg
External co-authors :
yes
Language :
English
Title :
Resource Dimensioning of Broadband Satellite Return Networks Affected by Spatially-Correlated Rain Fade
Publication date :
2024
Journal title :
IEEE Transactions on Aerospace and Electronic Systems
ISSN :
0018-9251
eISSN :
1557-9603
Publisher :
Institute of Electrical and Electronics Engineers Inc.
Volume :
60
Issue :
5
Pages :
6011 - 6036
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Luxembourg National Research Fund
Funding text :
This work was supported by the Luxembourg National Research Fund (FNR) - RELICA project under Grant 14610745.
Available on ORBilu :
since 26 November 2024

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