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Optimization of Channel Assignment and Access Point Transmit Power for Minimizing Contention in Wireless LANs
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, The Institute of Technology. Ericsson Research, Ericsson AB, Stockholm, Sweden.
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, The Institute of Technology.
2007 (English)In: 5th International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks and Workshops, 2007. WiOpt 2007., Limassol, Cyprus: IEEE , 2007, 1-10 p.Conference paper, Published paper (Refereed)
Abstract [en]

We study the problem of optimizing AP configuration in wireless LANs. In particular, we address the issue of simultaneous planning and optimization of access point (AP) transmit power and channel assignment in the network. We aim at improving network performance in terms of reduced contention in the network by controlling the coverage range of APs and minimizing adjacent channel interference. One of the advantages of our model is that it is not limited to a case when only non-overlapping channels are considered but allows us to deal with any channel set that may also include overlapping adjacent channels. By our model, a higher priority is given to solutions in which neighboring APs with large overlapping coverage areas have larger channel distance. Numerical solutions are compared to a reference network configuration with fixed uniform AP power levels and a channel assignment minimizing coverage overlap of APs operating on the same channel. Our numerical experiments demonstrate that AP transmit power control jointly optimized with the channel assignment can significantly improve network performance in terms os contention and interference distribution.

Place, publisher, year, edition, pages
Limassol, Cyprus: IEEE , 2007. 1-10 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-42187DOI: 10.1109/WIOPT.2007.4480061ISI: 000256557600031Local ID: 61238ISBN: 978-1-4244-0960-0 (print)ISBN: 978-1-4244-0961-7 (print)OAI: oai:DiVA.org:liu-42187DiVA: diva2:263042
Conference
5th International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks and Workshops, Limassol, Cyprus, 16-20 April 2007
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2014-04-22Bibliographically approved

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Siomina, IanaYuan, Di

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CiteExportLink to record
Permanent link

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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