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On the feasibility of distributed link-based channel assignment in wireless mesh networks

Published: 31 October 2011 Publication History

Abstract

In this paper we present an experimental evaluation of the distributed greedy algorithm (DGA) for distributed channel assignment in wireless mesh networks. The algorithm has the advantage of preserving the network topology by assigning channels to links instead of interfaces, thus being completely transparent to the routing layer. Our implementation is based on DES-Chan, a framework for the development of distributed channel assignment algorithms. We evaluate the performance in the DES-Testbed, a multi-radio wireless mesh network (WMN) with 98 nodes at the Freie Universität Berlin. We present a graph-theoretic analysis of the experiment results and measure the achieved throughput after the channel assignment. We discuss the feasibility of link-based channel assignment and show that the feature of the algorithm of being transparent to the routing layer is not always guaranteed. Additionally, we show the importance of using realistic interference models to fully exploit the performance gain by channel assignment in real network deployments.

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Cited By

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  • (2016)Distributed joint flow-radio and channel assignment using partially overlapping channels in multi-radio wireless mesh networksWireless Networks10.1007/s11276-015-0954-822:1(83-104)Online publication date: 1-Jan-2016
  • (2012)Measurement-based interference modeling using channel occupancy in wireless mesh networks2012 IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM)10.1109/WoWMoM.2012.6263717(1-6)Online publication date: Jun-2012

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Published In

cover image ACM Conferences
MobiWac '11: Proceedings of the 9th ACM international symposium on Mobility management and wireless access
October 2011
218 pages
ISBN:9781450309011
DOI:10.1145/2069131
  • General Chair:
  • Jose Rolim,
  • Program Chairs:
  • Jun Luo,
  • Sotiris Nikoletseas
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 31 October 2011

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Author Tags

  1. channel assignment
  2. link-based channel assignment
  3. wireless mesh networks

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View all
  • (2016)Distributed joint flow-radio and channel assignment using partially overlapping channels in multi-radio wireless mesh networksWireless Networks10.1007/s11276-015-0954-822:1(83-104)Online publication date: 1-Jan-2016
  • (2012)Measurement-based interference modeling using channel occupancy in wireless mesh networks2012 IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM)10.1109/WoWMoM.2012.6263717(1-6)Online publication date: Jun-2012

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