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Automated Planning of CPICH Power for enhancing HSDPA Performance at Cell Edges with Preserved Control of R99 Soft Handover
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, The Institute of Technology.
2008 (English)In: IEEE International Conference on Communications, 2008. ICC '08., Piscataway, NJ, USA: IEEE , 2008, 2936-2940 p.Conference paper, Published paper (Refereed)
Abstract [en]

We present and demonstrate a novel approach for automated planning of common pilot channel (CPICH) power in mobile networks with co-existing HSDPA and R99 services. CPICH power allocation greatly influences the cell coverage pattern. A conventional strategy is to uniformly allocate a constant proportion of the total power to CPICH. We study non-uniform CPICH and optimize its allocation for enhancing HSDPA performance. We focus on HSDPA performance at cell edges, where user throughput is typically very low. Our approach is based on a linear-integer mathematical model; solving the model results in a power allocation that both ensures CPICH coverage and optimizes HSDPA performance at cell edges. Moreover, the model allows for precise control of soft handover (SHO) regions for R99 service. Experimental results show that our approach yields significant enhancement of HSDPA performance at cell edges with preserved R99 SHO control.

Place, publisher, year, edition, pages
Piscataway, NJ, USA: IEEE , 2008. 2936-2940 p.
Series
IEEE International Conference on Communications, ISSN 1550-3607
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-42188DOI: 10.1109/ICC.2008.553ISI: 000259505002043Local ID: 61239ISBN: 978-1-4244-2075-9 (print)ISBN: 978-1-4244-2075-9 (print)OAI: oai:DiVA.org:liu-42188DiVA: diva2:263043
Conference
IEEE International Conference on Communications, Beijing, China, 19-23 May 2008
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2014-04-22Bibliographically approved

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Chen, LeiYuan, Di

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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