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Statistical Analysis of OFDMA Assignments
2008 (English)In: IEEE International Symposium on Wireless Communication Systems. 2008. ISWCS '08., IEEE conference proceedings, 2008, 16-20 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this paper we investigate statistical properties of IP optimal subcarrier assignments in the down-link of an OFDMA cell. Essentially, we show that such subcarrier assignments do have ¿hidden¿ statistical properties which can be exploited to design an extremely simple assignment strategy. We investigate such statistical properties and the corresponding performance of the simple assignment rules regarding a specific, well-known, NP-hard assignment problem. Although our approach is ¿light-weight¿ in complexity, the strategy provides a significant performance gain compared to static assignments. Finally, we investigate our approach also for other optimization problems in the context of multi-user OFDMA assignments.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2008. 16-20 p.
National Category
Communication Systems Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-136795DOI: 10.1109/ISWCS.2008.4726009ISBN: 978-1-4244-2489-4 (print)OAI: oai:DiVA.org:kth-136795DiVA: diva2:677195
Conference
8th IEEE International Symposium on Wireless Communication Systems 2008 (ISWCS 2008),Reykjavik
Note

QC 20131213

Available from: 2013-12-09 Created: 2013-12-09 Last updated: 2013-12-13Bibliographically approved

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fulltext(1899 kB)80 downloads
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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • 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