Design of wireless mesh networks for aggregating traffic of fast moving users

  • Authors:
  • Filip De Greve;Filip De Turck;Ingrid Moerman;Piet Demeester

  • Affiliations:
  • Ghent University, Ghent, Belgium;Ghent University, Ghent, Belgium;Ghent University, Ghent, Belgium;Ghent University, Ghent, Belgium

  • Venue:
  • Proceedings of the 4th ACM international workshop on Mobility management and wireless access
  • Year:
  • 2006

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Abstract

In this paper, we examine wireless mesh networks and present a theoretical model for evaluating the expected throughput for fast moving users. We propose intelligent techniques for improving the throughput: distribution of neighbour nodes over the available wireless interfaces and distributed channel assignment for minimising the interference. Evaluations show that the neighbour nodes should be equally distributed over the wireless interfaces based on the relative difference in hop count to the closest gateway. We also present load-aware techniques which dynamically adapt the nodes according to the current traffic conditions. Load-aware techniques are able to achieve larger throughput but in many cases gain margins are smaller than expected. It is also shown that a poor choice in neighbour interface binding or channel assignment technique leads to a decreased performance in such away that adding interfaces or channels would not further improve the throughput.