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Adaptive coding for OFDM based systems using generalized concatenated codes
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
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2005 (English)In: VTC2005-SPRING: 2005 IEEE 61ST VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-5, PROCEEDINGS, 2005, 649-653 p.Conference paper, Published paper (Refereed)
Abstract [en]

Orthogonal Frequency Division Multiplexing (OFDM) is considered to be a promising candidate for future high-speed wireless communication systems. In this paper we present an adaptive coding scheme for OFDM based systems using generalized concatenated codes. We study the performance of HIPERLAN/2 after encoding with the proposed coding scheme and compare it to the standard convolutional coding scheme currently used. The criteria of our study is the optimization of the throughput. Through the adaptive scheme, we propose a modulation selection based on the average quality of the channel, and a code assigning method for the different sub-channels, that adapts to the channel conditions. We argue that the proposed scheme protects the information better than the ones in the conventional systems, since the latter do not take advantage of the individual sub-channel condition. Our simulations show that lower packet error rate can be accomplished for even higher throughput.

Place, publisher, year, edition, pages
2005. 649-653 p.
Series
IEEE VTS Vehicular Technology Conference Proceedings, ISSN 1090-3038
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-42819ISI: 000232179300136Scopus ID: 2-s2.0-26444478183ISBN: 0-7803-8887-9 (print)OAI: oai:DiVA.org:kth-42819DiVA: diva2:447581
Conference
61st IEEE Vehicular Technology Conference Location: Stockholm, SWEDEN Date: MAY 30-JUN 01, 2005
Note
QC 20111012Available from: 2011-10-12 Created: 2011-10-12 Last updated: 2011-10-12Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
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