Distributed network utility maximization in wireless networks with a bounded number of paths

  • Authors:
  • André Schumacher;Harri Haanpää

  • Affiliations:
  • Helsinki University of Technology, Helsinki, Finland;Helsinki University of Technology, Helsinki, Finland

  • Venue:
  • Proceedings of the 3nd ACM workshop on Performance monitoring and measurement of heterogeneous wireless and wired networks
  • Year:
  • 2008

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Abstract

We consider the fair multicommodity flow problem in multihop wireless networks. We optimize the flow between a number of source-destination pairs to achieve a fair allocation of network resources while satisfying node capacity constraints. To account for the limitations of wireless devices, we use a path-based formulation and allow only a bounded number of paths between each source-destination pair. We develop a dual decomposition based distributed algorithm for solving the problem, show the optimality of a stationary solution, and compare the performance of the algorithm with a centralized branch-and-bound method.