Price-based congestion control and local channel-link assignment for multi-radio wireless mesh networks

  • Authors:
  • Wonyong Yoon;Dongman Lee;Byoungheon Shin;Seon Yeong Han

  • Affiliations:
  • -;-;-;-

  • Venue:
  • Computers and Electrical Engineering
  • Year:
  • 2014

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Abstract

In multi-radio multi-channel wireless mesh networks, engineering the network capacity requires a complex cross-layer design. In this paper, in order to make the complex problem implementable in a distributed manner, we make a decoupling approach that breaks down the entire design space into routing and initial channel assignment, and distributed congestion control and local channel reassignment. We propose a unified priced-based framework for distributed congestion control and localized channel-link assignment algorithms. We demonstrate the convergence of the proposed algorithms with respect to different fairness objectives (i.e., proportional fairness and max-min fairness) via simulation on both grid and random topologies. The proposed algorithms achieve faster convergence with less overhead in the control and forwarding plane than previous multi-path based algorithms.