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Insights from Experimental Research on Distributed Channel Assignment in Wireless Testbeds

Author

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  • Felix Juraschek

    (Freie Universität Berlin, Germany)

  • Mesut Günes

    (Freie Universität Berlin, Germany)

  • Matthias Philipp

    (Freie Universität Berlin, Germany)

  • Bastian Blywis

    (Freie Universität Berlin, Germany)

Abstract

This article presents the DES-Chan framework for experimental research on distributed channel assignment algorithms in wireless mesh testbeds. The implementation process of channel assignment algorithms is a difficult task for the researcher since common operating systems do not support channel assignment algorithms. DES-Chan provides a set of common services required by distributed channel assignment algorithms and eases the implementation effort. The results of experiments to measure the channel characteristics in terms of intra-path and inter-path interference according to the channel distance on the DES-Testbed are also presented. The DES-Testbed is a multi-radio WMN with more than 100 nodes located on the campus of the Freie Universität Berlin. These measurements are an important input to validate common assumptions of WMNs and derive more realistic, measurement-based interference models in contrast to simplified heuristics.

Suggested Citation

  • Felix Juraschek & Mesut Günes & Matthias Philipp & Bastian Blywis, 2011. "Insights from Experimental Research on Distributed Channel Assignment in Wireless Testbeds," International Journal of Wireless Networks and Broadband Technologies (IJWNBT), IGI Global, vol. 1(1), pages 32-49, January.
    • Handle: RePEc:igg:jwnbt0:v:1:y:2011:i:1:p:32-49
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