Precoding, Scheduling and Link Adaptation in Mobile Interactive Multibeam Satellite Systems

Vazquez, Miguel-Angel; Shankar, Bhavani; Kourogiorgas, Charilaos; Arapoglou, Pantelis-Daniel; Icolari, Vincenzo; Chatzinotas, Symeon; Panagopoulos, Athanasios; Perez-Neira, Ana

doi:10.1109/JSAC.2018.2832778

Reference : Precoding, Scheduling and Link Adaptation in Mobile Interactive Multibeam Satellite S...


	Document type :	Scientific journals : Article
	Discipline(s) :	Engineering, computing & technology : Electrical & electronics engineering
	Focus Areas :	Security, Reliability and Trust
	To cite this reference:	http://hdl.handle.net/10993/36427

Title :	Precoding, Scheduling and Link Adaptation in Mobile Interactive Multibeam Satellite Systems
Language :	English
Author, co-author :	Vazquez, Miguel-Angel []
	Shankar, Bhavani [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Kourogiorgas, Charilaos []
	Arapoglou, Pantelis-Daniel []
	Icolari, Vincenzo []
	Chatzinotas, Symeon [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Panagopoulos, Athanasios []
	Perez-Neira, Ana []
Publication date :	May-2018
Journal title :	IEEE Journal on Selected Areas In Communications
Publisher :	IEEE
Volume :	36
Issue/season :	5
Special issue title :	Special Issue on Satcom
Pages :	971 - 980
Peer reviewed :	Yes (verified by ORBi^lu)
Audience :	International
ISSN :	0733-8716
Keywords :	[en] Precoding Scheduling Link Adaptation ; multibeam ; mobile channel
Abstract :	[en] This paper deals with the problem of precoding, scheduling and link adaptation in next generation mobile interactive multibeam satellite systems. In contrast to the fixed satellite services, when the user terminals move across the coverage area, additional challenges appear. Due to the time varying channel, the gateway has only access to a delayed version of the channel state information (CSI) which can eventually limit the overall system performance. However, in contrast to general multiuser multipleinput- multiple-output terrestrial systems, the CSI degradation in multibeam mobile applications has a very limited impact for typical fading channel and system assumptions. Under realistic conditions, the numerical results show that precoding can offer an attractive gain in the system throughput compared to conservative frequency reuse allocations.
Target :	Researchers ; Professionals
Permalink :	http://hdl.handle.net/10993/36427
DOI :	10.1109/JSAC.2018.2832778

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