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Practical Considerations for Channel Assignment in Wireless Mesh Networks
Karlstad University, Faculty of Economic Sciences, Communication and IT, Centre for HumanIT. Karlstad University, Faculty of Economic Sciences, Communication and IT, Department of Computer Science. (DISCO)
Karlstad University, Faculty of Economic Sciences, Communication and IT, Centre for HumanIT. Karlstad University, Faculty of Economic Sciences, Communication and IT, Department of Computer Science.
Karlstad University, Faculty of Economic Sciences, Communication and IT, Department of Computer Science. Karlstad University, Faculty of Economic Sciences, Communication and IT, Centre for HumanIT. (DISCO)ORCID iD: 0000-0002-9446-8143
Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering.
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2010 (English)In: GLOBECOM Workshops (GC Wkshps), 2010 IEEE, IEEE , 2010, p. 763-767Conference paper, Published paper (Refereed)
Abstract [en]

Abstract--- In multi-radio wireless mesh networks (WMNs) several radios can operate within one node simultaneously on different channels. Due to frequency selective fading and varying output powers of WLAN cards the received signal strength on channels in the U-NII band can differ by several dB. Furthermore, power leakage from neighboring channels in the frequency spectrum can cause adjacent channel interference (ACI). Using a IEEE 802.11a testbed, we experimentally evaluate the achievable throughput of a multi-radio mesh network in a string topology under the impact of ACI and channel heterogeneity. Our results show that for low PHY rates the channel separation is a good indicator for throughput. However, for high PHY rates the propagation properties of a specific channel also need to be considered. Based on the results we provide recommendations for designing channel assignment algorithms for IEEE 802.11-based WMNs

Place, publisher, year, edition, pages
IEEE , 2010. p. 763-767
Keywords [en]
KAUMesh, Wireless Mesh Networks, Adjacent Channel Interference, Testbed
National Category
Computer Sciences
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kau:diva-10024DOI: 10.1109/GLOCOMW.2010.5700426ISBN: 978-1-4244-8863-6 (print)OAI: oai:DiVA.org:kau-10024DiVA, id: diva2:493540
Conference
IEEE Broadband Wireless Access Workshop, held in conjunction with Globecom 2010
Available from: 2012-02-08 Created: 2012-02-08 Last updated: 2018-01-12Bibliographically approved

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No full text in DiVA

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Publisher's full texthttp://www.cs.kau.se/~pdely/papers/channelassignment.pdf

Authority records BETA

Dely, PeterCavalcanti de Castro, MarcelKassler, AndreasMoldsvor, Arild

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Dely, PeterCavalcanti de Castro, MarcelKassler, AndreasMoldsvor, Arild
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