Overlay Cognitive Radio in Wireless Mesh Networks

  • Authors:
  • Ricardo Carvalho Pereira;Richard Demo Souza;Marcelo Eduardo Pellenz

  • Affiliations:
  • CPGEI, Curitiba, Brazil 80230-901;CPGEI, Curitiba, Brazil 80230-901;PPGIA, Curitiba, Brazil 80215-901

  • Venue:
  • Wireless Personal Communications: An International Journal
  • Year:
  • 2010

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Abstract

In this paper we apply the concept of overlay cognitive radio to the communication between nodes in a wireless mesh network. Based on the overlay cognitive radio model, it is possible to have two concurrent transmissions in a given interference region, where usually only one communication takes place at a given time. We analyze the cases of wireless mesh networks with regular and random topologies. Numerical results show that considerable network capacity gains can be achieved.