Comparative analysis of routing protocols for VoIP in a Wireless Mesh Backbone: a user perspective

Authors:
Saulo Queiroz;Arlen Nascimento;Edjair Mota;Leandro S. G. Carvalho;Edson Nascimento
Affiliations:
Computer Networks and Multimedia Group, Department of Computer Science, Federal University of Amazonas (UFAM), Manaus, Amazonas, Brazil.;Computer Networks and Multimedia Group, Department of Computer Science, Federal University of Amazonas (UFAM), Manaus, Amazonas, Brazil.;Computer Networks and Multimedia Group, Department of Computer Science, Federal University of Amazonas (UFAM), Manaus, Amazonas, Brazil.;Computer Networks and Multimedia Group, Department of Computer Science, Federal University of Amazonas (UFAM), Manaus, Amazonas, Brazil.;Computer Networks and Multimedia Group, Department of Computer Science, Federal University of Amazonas (UFAM), Manaus, Amazonas, Brazil
Venue:
International Journal of Internet Protocol Technology
Year:
2008

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Abstract

In this work we select AODV, OLSR and HWMP routing protocols and focus on how they can affect the Quality of user Experience (QoE) with respect to VoIP on a wireless backbone. We calculated QoE by using a reviewed version of the E-model. Since that parameter is strongly correlated with some stochastic network variables it presents stochastic behaviour too. So, we discuss important issues needed to estimate QoE based parameters in a trusty way. Results showed that the average QoE kept acceptable only under AODV routing as the number of VoIP traffic was increased in the network.