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Multiuser Scheduling over Rayleigh Fading Channels
KTH, Superseded Departments, Signals, Sensors and Systems.
Faculty of Computer Science Department of Information Technology University of Vaasa FIN-65101, Vaasa, FINLAND.
2003 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Forthcoming wideband wireless systems are supposed to support services with loose delay requirements, which allows for scheduling of data. In this work we investigate fast transmission scheduling for downlink CDMA over a Rayleigh fading channel. For a logarithmic relation between the channel quality and the effective transmission rate, merely scheduling one user at a time may not result in maximum channel utilization. Therefore, we analyze the benefits of scheduling several users at a time with a suggested scheduler, containing regular CDMA as a special case. We consider a resource fair scheduler with the objective to asymptotically allocate the same amount of energy to all users. We derive the scheduling gain on closed-form and determine its limit values for both high and low average channel quality. The results show that the better the average channel quality becomes, the more users should be allowed to transmit simultaneously.

Place, publisher, year, edition, pages
New York: IEEE , 2003. 158-162 p.
Series
IEEE Global Telecommunications Conference (Globecom), ISSN 1930-529X
National Category
Computer and Information Science
Research subject
SRA - ICT
Identifiers
URN: urn:nbn:se:kth:diva-27824DOI: 10.1109/GLOCOM.2003.125822ISI: 000189451400032ISBN: 0-7803-7974-8 (print)OAI: oai:DiVA.org:kth-27824DiVA: diva2:382616
Conference
IEEE Global Telecommunications Conference (GLOBECOM 03) San Francisco, CA, DEC 01-05, 2003
Note
QC 20110110Available from: 2011-01-03 Created: 2011-01-03 Last updated: 2011-01-10Bibliographically approved

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CiteExportLink to record
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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
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