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Robust precoding design for multibeam downlink satellite channel with phase uncertainty
KTH, School of Electrical Engineering (EES), Signal Processing. University of Luxembourg.ORCID iD: 0000-0002-3442-6566
KTH, School of Electrical Engineering (EES), Signal Processing.ORCID iD: 0000-0002-3599-5584
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2015 (English)In: ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, IEEE conference proceedings, 2015, 3083-3087 p.Conference paper (Refereed)Text
Abstract [en]

n 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The variations in channel due to phase noise introduced by on-board oscillators and the long round trip delay result in outdated channel information at the transmitter.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.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2015. 3083-3087 p.
Keyword [en]
Convex optimization, Phase Uncertainty, Robust Precoding, Satellite Channel, SDR
National Category
Signal Processing Telecommunications
URN: urn:nbn:se:kth:diva-181633DOI: 10.1109/ICASSP.2015.7178538ScopusID: 2-s2.0-84946080887ISBN: 9781467369978OAI: diva2:907558
40th IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2015, 19 April 2014 through 24 April 2014

QC 20160229

Available from: 2016-02-29 Created: 2016-02-02 Last updated: 2016-02-29Bibliographically approved

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Gharanjik, AhmadBengtsson, MatsOttersten, Björn
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