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oai:recercat.cat:2117/101632026-01-30T08:02:12Zcom_2072_1033col_2072_452950

An overview of quality of experience measurement challenges for video applications in IP Networks Serral Gracià, René Cerqueira, E Curado, Marilia Yannuzzi, Marcelo Monteiro, Edmundo Masip Bruin, Xavier Universitat Politècnica de Catalunya. Departament d'Arquitectura de Computadors Universitat Politècnica de Catalunya. ANA - Grup d'Arquitectures Avançades de Xarxes Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telemàtica i xarxes d'ordinadors::Serveis telemàtics i de comunicació multimèdia Àrees temàtiques de la UPC::Informàtica::Arquitectura de computadors Computer networks protocols Multimedia contents User satisfaction QoE Measurements Challenges Internet protocols Quality of service IP networks Sistemes multimèdia Qualitat dels serveis The increase in multimedia content on the Internet has created a renewed interest in quality assessment. There is however a main difference from the traditional quality assessment approaches, as now, the focus relies on the user perceived quality, opposed to the network centered approach classically proposed. In this paper we overview the most relevant challenges to perform Quality of Experience (QoE) assessment in IP networks and highlight the particular considerations necessary when compared to alternative mechanisms, already deployed, such as Quality of Service (QoS). To assist on the handling of such challenges we first discuss the different approaches to Quality of Experience assessment along with the most relevant QoE metrics, and then we discuss how they are used to provide objective results about user satisfaction. Peer Reviewed Postprint (author’s final draft) 2010-06-01 Conference report Serral, R. [et al.]. An overview of quality of experience measurement challenges for video applications in IP Networks. A: International Conference on Wired/Wireless Internet Communications. "8th International Conference on Wired/Wireless Internet Communications". Luleå: Springer, 2010, p. 252-263. 978-3-642-13315-2 https://hdl.handle.net/2117/10163 10.1007/978-3-642-13315-2 eng http://creativecommons.org/licenses/by-nc-nd/3.0/es/ Open Access Attribution-NonCommercial-NoDerivs 3.0 Spain 12 p. application/pdf Springer