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Cognitive beamhopping for spectral coexistence of multibeam satellites
SnT - securityandtrust.lu, University of Luxembourg, L-2721, Luxembourg.ORCID iD: 0000-0003-2298-6774
2013 (English)In: Future Network and MobileSummit 2013 Conference Proceedings, 2013, 6633575- p.Conference paper, Published paper (Refereed)
Abstract [en]

The usable satellite spectrum is becoming scarce due to continuously increasing demand for broadcast and multimedia services. In this context, we consider the problem of enhancing spectral efficiency in multibeam satellite networks. The spectral coexistence scenario of two multibeam satellites over a common coverage area is studied with a primary satellite having larger beams and a secondary satellite having smaller beams. Furthermore, a novel cognitive beamhopping satellite system is proposed. The system performance of the proposed system is evaluated and compared with that of conventional multibeam and beamhopping systems in terms of system throughput. It is shown that the proposed system significantly enhances the spectral efficiency in comparison to other systems. Moreover, the scenario of the presence of multiple secondary users within an inactive primary beam is considered with power control on the secondary transmission. The system performance is evaluated by considering partial and full frequency sharing approaches. It is noted that the total spectral efficiency increases with the number of secondary users in the full frequency reuse approach.

Place, publisher, year, edition, pages
2013. 6633575- p.
Keyword [en]
Bandwidth, Context, Interference, Niobium, Power control, Satellite broadcasting, Satellites, Beamhopping, Multibeam Satellites, Spectral Coexistence
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-139010Scopus ID: 2-s2.0-84890041074ISBN: 978-190582437-3 (print)OAI: oai:DiVA.org:kth-139010DiVA: diva2:682122
Conference
2013 Future Network and Mobile Summit, FutureNetworkSummit 2013; Lisbon, Portugal, 3-5 July, 2013
Note

QC 20140617

Available from: 2013-12-23 Created: 2013-12-23 Last updated: 2014-06-17Bibliographically approved

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Ottersten, Björn

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf