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Robust Precoding Design for Multibeam Downlink Satellite Channel with Phase Uncertainty
Gharanjik, Ahmad; Shankar, Bhavani; Arapoglou, Pantelis-Daniel et al.
2015In 40th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2015
Peer reviewed
 

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Keywords :
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The variations in channel due to phase noise introduced by on-board oscillators and the long round trip delay result in outdated channel information at the transmitter.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 center :
Interdisciplinary Centre for Security, Reliability and Trust (SnT)
Disciplines :
Electrical & electronics engineering
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
External co-authors :
yes
Language :
English
Title :
Robust Precoding Design for Multibeam Downlink Satellite Channel with Phase Uncertainty
Publication date :
19 April 2015
Event name :
40th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2015
Event organizer :
IEEE
Event place :
Brisbane, Australia
Event date :
19-3-2015 to 24-3-2015
Audience :
International
Main work title :
40th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2015
Peer reviewed :
Peer reviewed
Funders :
FNR - Fonds National de la Recherche [LU]
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