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Outer loop power control in a wideband CDMA system
1999 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The third generation mobile communication systems are based on Code Division Multiple Access (CDMA) technology. The Wideband CDMA technology is the European standard and will be a world standard for third generation cellular systems. One of the main features in a Wideband CDMA system is power control. The power control is divided into two parts: fast power control and outer loop power control. In this thesis an algorithm for the outer loop power control has been studied and evaluated by simulations in a Matlab simulator called CURT (CDMA UMTS Radio Network Simulator). Different parameter settings for this algorithm has been used and evaluated. Simulations have shown that a slow algorithm tracks FER target better and has a lower standard deviation than a fast algorithm, whereas with a fast algorithm a more effective regulation is obtained during too good quality conditions. Furthermore a theoretical value for the reverse link capacity has been derived and compared to a simulated value. Simulations have shown a capacity of 130 Erlangs in comparison to a theoretical value of 188 Erlangs.

Place, publisher, year, edition, pages
1999.
Keyword [en]
Technology, mobile communications, signal processing
Keyword [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-57159ISRN: LTU-EX--99/269--SELocal ID: dd88e88f-b44e-4e24-baf6-d880b7c1cf3bOAI: oai:DiVA.org:ltu-57159DiVA: diva2:1030546
Subject / course
Student thesis, at least 30 credits
Educational program
Civil Engineering programmes 1997-2000, master's level
Examiners
Note
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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Type fulltextMimetype application/pdf

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • 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
  • rtf