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Improved Performance Using Nonlinear Components in 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]

When employing power control algorithms in real systems there are anumber of problems that have to be considered, of which some are addressed in this work. It is probably impossible to solve the problems using a linear controller, and as an extension, various nonlinear components and their applicability are discussed. Problems due to hardware and external constraints have been identified in previous work, and here anti-reset windup techniques are reviewed and employed. Previous proposals can be seen as special cases. Sometimes it is desirable to employ several algorithms in parallel, and then use a device to state priorities, i.e., to switch between the algorithms. The applicability of switches and selectors are described and exemplified as proposed solutions to the low interference problem, where a C/I balancing algorithm causes a user to use a too low a power. The benefits of using the proposed nonlinear components are further illustrated by network simulations.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 1999. , 10 p.
Series
LiTH-ISY-R, ISSN 1400-3902 ; 2148
Keyword [en]
Cellular radio systems, Power control, Anti-reset windup
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-55706ISRN: LITH-ISY-R-2148OAI: oai:DiVA.org:liu-55706DiVA: diva2:316443
Available from: 2010-04-30 Created: 2010-04-30 Last updated: 2014-09-08Bibliographically approved

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Gunnarsson, FredrikGustafsson, Fredrik

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CiteExportLink to record
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Citation style
  • apa
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Language
  • de-DE
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  • nn-NB
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