Reference : On-Board Precoding in a Multiple Gateway Multibeam Satellite System

	Document type :	Scientific congresses, symposiums and conference proceedings : Paper published in a book
	Discipline(s) :	Engineering, computing & technology : Electrical & electronics engineering
	Focus Areas :	Security, Reliability and Trust
	To cite this reference:	http://hdl.handle.net/10993/38115

Title :	On-Board Precoding in a Multiple Gateway Multibeam Satellite System
Language :	English
Author, co-author :	Joroughi, Vahid [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Shankar, Bhavani [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Maleki, Sina [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Chatzinotas, Symeon [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Grotz, Joel [SES S.A]
	Ottersten, Björn [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Publication date :	2018
Main document title :	Proceedings of IEEE VTC Fall 2018
Peer reviewed :	Yes
Event name :	IEEE VEHICULAR TECHNOLOGY CONFERENCE
Event date :	29-08-2018
Keywords :	[en] Beamforming ; Mobile Satellite Systems ; Multibeam Satellite Systems ; On Board Processing ; Precoding ; Multiple Gateway System
Abstract :	[en] This paper present On-Board Precoding (OBP) for a multiple gateway multibeam satellite system where full frequency reuse pattern is employed at both user and feeder links. By reducing the Channel State Information (CSI) roundtrip delay to half, OBP offers significant benefits in the emerging multiple gateway scenario in terms of lower gateways coordination. However, two critical issues need to be addressed: (a) interference in both user and feeder links is the bottleneck of the whole system and employing interference mitigation techniques is essential, (b) clear push towards non-adaptive (fixed) payload implementation, leading to low computationally complex satellite architectures. In order to fulfill requirements (a) and (b), this paper studies the impact of employing a fixed OBP technique at the payload which is sufficiently robust to the variations in both user and feeder link channels. In addition to (a) and (b), the provided simulation results depict the performance gain obtained by our proposed OBP with respect to the conventional interference mitigation techniques in multiple gateway multibeam systems.
Target :	Researchers ; Professionals ; Students
Permalink :	http://hdl.handle.net/10993/38115
FnR project :	FnR ; FNR11504382 > Bjorn Ottersten > PROSAT > On-board processing techniques for high throughput satellites > 01/01/2017 > 31/12/2019 > 2016

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