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Cognitive Radio Techniques for Satellite Communication Systems
Univ Luxembourg, SnT Securityandtrust Lu, Luxembourg, Luxembourg.ORCID iD: 0000-0003-2298-6774
2013 (English)In: 2013 IEEE 78TH VEHICULAR TECHNOLOGY CONFERENCE: (VTC FALL), 2013Conference paper (Refereed)
Abstract [en]

The usable satellite spectrum is becoming scarce due to continuously increasing demand for broadcast, multimedia and interactive services. In this context, cognitive satellite communications has received important attention lately in the research community. Exploring efficient spectrum sharing techniques for enhancing spectral efficiency in satellite communication has become an important research challenge. In this paper, we study the main aspects of satellite cognitive communications and present possible practical scenarios for hybrid/dual cognitive satellite systems. Furthermore, suitable cognitive techniques for the considered scenarios are identified. More specifically, Spectrum Sensing (SS), interference modeling, and beamforming techniques are discussed for hybrid cognitive scenario and SS, interference alignment, and cognitive beamhopping techniques are discussed for dual satellite systems. This paper concludes by providing interesting open research issues in this domain.

Place, publisher, year, edition, pages
, IEEE Vehicular Technology Conference Proceedings, ISSN 1550-2252
Keyword [en]
Cognitive satellite communications, Dual satellite systems, Spectrum sensing, Underlay
National Category
Signal Processing
URN: urn:nbn:se:kth:diva-138990DOI: 10.1109/VTCFall.2013.6692139ISI: 000330585400117ScopusID: 2-s2.0-84893333715ISBN: 978-1-4673-6187-3OAI: diva2:682147
2013 IEEE 78th Vehicular Technology Conference, VTC Fall 2013; Las Vegas, NV, United States, 2-5 September, 2013

QC 20140612

Invited Paper.

Available from: 2013-12-23 Created: 2013-12-23 Last updated: 2014-06-12Bibliographically approved

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Ottersten, Björn
Signal Processing

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