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      Distributed joint flow-radio and channel assignment using partially overlapping channels in multi-radio wireless mesh networks

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      Author(s)
      Ulucinar, A. R.
      Korpeoglu, I.
      Date
      2016
      Source Title
      Wireless Networks : the journal of mobile communication, computation and information
      Print ISSN
      1022-0038
      Publisher
      Springer
      Volume
      22
      Issue
      1
      Pages
      83 - 104
      Language
      English
      Type
      Article
      Item Usage Stats
      220
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      278
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      Abstract
      Equipping mesh nodes with multiple radios that support multiple wireless channels is considered a promising solution to overcome the capacity limitation of single-radio wireless mesh networks. However, careful and intelligent radio resource management is needed to take full advantage of the extra radios on the mesh nodes. Flow-radio assignment and channel assignment procedures should obey the physical constraints imposed by the radios as well as the topological constraints imposed by routing. Varying numbers of wireless channels are available for the channel assignment procedure for different wireless communication standards. To further complicate the problem, the wireless communication standard implemented by the radios of the wireless mesh network may define overlapping as well as orthogonal channels, as in the case of the IEEE 802.11b/g family of standards. This paper presents Distributed Flow-Radio Channel Assignment, a distributed joint flow-radio and channel assignment scheme and the accompanying distributed protocol in the context of multi-channel multi-radio wireless mesh networks. The scheme’s performance is evaluated on small networks for which the optimal flow-radio and channel configuration can be computed, as well as on large random topologies.
      Keywords
      Channel assignment
      Distributed algorithms
      Flow-radio assignment
      IEEE 802.11
      Multi-radio wireless mesh networks
      Mobile telecommunication systems
      Parallel algorithms
      Standards
      Topology
      Wireless mesh networks (WMN)
      Wireless telecommunication systems
      Channel assignment
      Channel assignment scheme
      Flow-radio assignment
      Multi-radio wireless mesh networks
      Multiple wireless channels
      Radio resource management
      Wireless communication standards
      MESH networking
      Permalink
      http://hdl.handle.net/11693/36895
      Published Version (Please cite this version)
      http://dx.doi.org/10.1007/s11276-015-0954-8
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      • Department of Computer Engineering 1510
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