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A pruning scheduler for multi-user clustered OFDM systems
KTH, Superseded Departments, Signals, Sensors and Systems.
KTH, Superseded Departments, Signals, Sensors and Systems.
2004 (English)In: VTC2004-FALL: 2004 IEEE 60TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-7: WIRELESS TECHNOLOGIES FOR GLOBAL SECURITY, NEW YORK: IEEE , 2004, 1048-1052 p.Conference paper, Published paper (Refereed)
Abstract [en]

Multi-user diversity is meant to work in a cell with several active users, relying on the increased probability that at least one of the users will have a high SNR. When using clustered OFDM with multi-user diversity, the system can admit too many users, defeating the multi-user effect. We present a scheduling scheme that overcomes this disadvantage by using a simple on-off waterfilling. We analyze the performance of the system when the feedback is not reliable and the average SNR is very low (0 dB). Our proposed scheduling algorithm increases the number of successful users by a factor of three over a coded system with one user per OFDM symbol.

Place, publisher, year, edition, pages
NEW YORK: IEEE , 2004. 1048-1052 p.
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-44738ISI: 000227931901058Scopus ID: 2-s2.0-17144411572ISBN: 0-7803-8521-7 (print)OAI: oai:DiVA.org:kth-44738DiVA: diva2:451495
Conference
60th IEEE Vehicular Technology Conference Location: Los Angeles, CA Date: SEP 26-29, 2004
Note
QC 20111026Available from: 2011-10-26 Created: 2011-10-25 Last updated: 2011-11-02Bibliographically approved

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