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A Framework for External Interference-Aware Distributed Channel Assignment

Author

Listed:
  • Felix Juraschek

    (Humboldt Universität zu Berlin, Germany)

  • Mesut Günes

    (Freie Universität Berlin, Germany)

  • Bastian Blywis

    (Freie Universität Berlin, Germany)

Abstract

DES-Chan is a framework for experimentally driven research on distributed channel assignment algorithms in wireless mesh networks. DES-Chan eases the development process by providing a set of common services required by distributed channel assignment algorithms. A new challenge for channel assignment algorithms are sources of external interferences. With the increasing number of wireless devices in the unlicensed radio spectrum, co-located devices that share the same radio channel may have a severe impact on the network performance. DES-Chan provides a sensing component to detect such external devices and predict their future activity. As a proof of concept, the authors present a reference implementation of a distributed greedy channel assignment algorithm. The authors evaluate its performance in the DES-Testbed, a multi-transceiver wireless mesh network with 128 nodes at the Freie Universität Berlin.

Suggested Citation

  • Felix Juraschek & Mesut Günes & Bastian Blywis, 2011. "A Framework for External Interference-Aware Distributed Channel Assignment," International Journal of Wireless Networks and Broadband Technologies (IJWNBT), IGI Global, vol. 1(4), pages 40-54, October.
    • Handle: RePEc:igg:jwnbt0:v:1:y:2011:i:4:p:40-54
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