QoS routing in multi-hop wireless networks: a new model and algorithm

  • Authors:
  • Antonio Capone;Luca Coletti;Marco Zambardi

  • Affiliations:
  • Politecnico di Milano, Milano, Italy;Siemens Mobile Communications S.p.A, Cinisello Balsamo – Milan, Italy;Siemens Mobile Communications S.p.A, Cinisello Balsamo – Milan, Italy

  • Venue:
  • QoS-IP'05 Proceedings of the Third international conference on Quality of Service in Multiservice IP Networks
  • Year:
  • 2005

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Abstract

The definition of new radio network topologies and deployment concepts capable of providing a ubiquitous radio coverage area for beyond 3G systems is one of the main objectives of the WINNER project [1]. Within this context, routing and forwarding algorithms for infrastructure-based multi-hop networks are investigated. We first present a new mathematical model of the routing problem in infrastructure-based multi-hop wireless networks that takes into account QoS requirements considering bandwidth constraints. Since the characteristics of such new networks allow to control the path selection of each flow, we then propose a new routing algorithm based on a heuristic. Finally, to show the performance of the proposed algorithm several simulation results are presented.