Reference : Robust Precoding Design for Multibeam Downlink Satellite Channel with Phase Uncertainty

	Document type :	Scientific congresses, symposiums and conference proceedings : Paper published in a book
	Discipline(s) :	Engineering, computing & technology : Electrical & electronics engineering
	To cite this reference:	http://hdl.handle.net/10993/20396

Title :	Robust Precoding Design for Multibeam Downlink Satellite Channel with Phase Uncertainty
Language :	English
Author, co-author :	Gharanjik, Ahmad [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Shankar, Bhavani [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Arapoglou, Pantelis-Daniel [Ajilon for ESA - European Space Agency > ESTEC > Communications System Engineer]
	Bengtsson, Mats [KTH Royal Institute of Technology > School of Electrical Engineering > Associate Professor]
Publication date :	19-Apr-2015
Main document title :	40th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2015
Peer reviewed :	Yes
On invitation :	No
Audience :	International
Event name :	40th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2015
Event date :	19-3-2015 to 24-3-2015
Event organizer :	IEEE
Event place (city) :	Brisbane
Event country :	Australia
Keywords :	[en] Robust Precoding ; Satellite Channel ; Phase Uncertainty
Abstract :	[en] In this work, we study the design of a precoder on the user downlink of a multibeam satellite channel. The variations in channel due to phase noise introduced by on-board oscillators and the long round trip delay result in outdated channel information at the transmitter. The phase uncertainty is modelled and a robust design framework is formulated based on availability and power constraints. The optimization problem is cast into the convex paradigm after approximations and the benefits of the resulting precoder are highlighted.
Research centres :	Interdisciplinary Centre for Security, Reliability and Trust (SnT)
Funders :	Fonds National de la Recherche - FnR
Target :	Researchers ; Professionals ; Students ; Others
Permalink :	http://hdl.handle.net/10993/20396

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