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Robust Uplink Resource Allocation in CDMA Cellular Radio Systems
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
2005 (English)Report (Other academic)
Abstract [en]

Radio resource management (RRM) in cellular radio system is an example of automatic control. The system performance may be increased by introducing decentralization, shorter delays and increased adaptation to local demands. However, it is hard to guarantee system stability without being, too conservative while using decentralized resource management. In this paper, two algorithms that both guarantee system stability and use local resource control are proposed for the uplink (mobile to base station). While one of the algorithms uses only local decisions, the other uses a central node to coordinate resources among different local nodes. In the chosen design approach, a feasible solution to the optimization problems corresponds to a stable system. Therefore, the algorithms will never assign resources that lead to an unstable system. Simulations indicate that the proposed algorithms also provide high capacity at any given uplink load level.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2005. , 16 p.
Series
LiTH-ISY-R, ISSN 1400-3902 ; 2703
Keyword [en]
Optimization, Communication, Robust
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-56040ISRN: LiTH-ISY-R-2703OAI: oai:DiVA.org:liu-56040DiVA: diva2:316902
Available from: 2010-04-30 Created: 2010-04-30 Last updated: 2014-06-23

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Geijer Lundin, ErikGunnarsson, FredrikGustafsson, Fredrik

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • 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
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  • asciidoc
  • rtf