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Pole Placement Design of Power Control Algorithms
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.
1999 (English)Report (Other academic)
Abstract [en]

Time delays reduces the performance of any controlled system. If neglected in the design phase, the system may even become unstable when using the designed controller. Several power control strategies have been proposed in order to improve the capacity of cellular radio systems, but time delays are usually neglected. Here, it is shown that the problems can be handled by considering the time delays in the design phase in order to choose the appropriate parameter values. Most popular algorithms can be seen as special cases of an integrating controller. This structure is extended first to a proportional integrating (PI)-controller and then further on to a general linear controller of higher orders. Corresponding design procedures are outlined based on techniques, such as pole placement, from the field of automatic control. The PI-controller is a very appealing choice of structure, with better performance compared to an I-controller and less complex than a higher order controller. The benefits are further illuminated by network simulations.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 1999. , 15 p.
Series
LiTH-ISY-R, ISSN 1400-3902 ; 2149
Keyword [en]
Cellular radio systems, Power control, Pole placement, Local loop design, Linear controllers
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-55707ISRN: LiTH-ISY-R-2149OAI: oai:DiVA.org:liu-55707DiVA: diva2:316444
Available from: 2010-04-30 Created: 2010-04-30 Last updated: 2014-09-22Bibliographically approved

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Gunnarsson, FredrikGustafsson, Fredrik

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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Language
  • de-DE
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  • en-US
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  • nn-NB
  • sv-SE
  • Other locale
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Output format
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