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Adaptive Filtering Applied to an Uplink Load Estimate in WCDMA
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.
2003 (English)Report (Other academic)
Abstract [en]

In the uplink of a WCDMA system, a natural choice of resource quantity is the uplink noise rise, i.e., total received power over noise power. Unfortunately this quantity is hard to measure and estimates are often noisy. This paper focuses on relative load which is closely related to the noise rise. Model-based signal processing with change detection techniques is herein used to suppress noise and minor oscillations while being alert on fast load changes. The time varying model identified in the process can also be used for prediction of future values, something which resource management algorithms can benefit from.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2003. , 7 p.
Series
LiTH-ISY-R, ISSN 1400-3902 ; 2545
Keyword [en]
Adaptive filters, Power systems modeling, Signal processing, Broadband networks
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-55873ISRN: LiTH-ISY-R-2545OAI: oai:DiVA.org:liu-55873DiVA: diva2:316661
Available from: 2010-04-30 Created: 2010-04-30 Last updated: 2014-07-29Bibliographically approved

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Geijer Lundin, ErikGunnarsson, FredrikGustafsson, Fredrik

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CiteExportLink to record
Permanent link

Direct link
Cite
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
  • text
  • asciidoc
  • rtf