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Martin Varela

Researcher at VTT Technical Research Centre of Finland

Publications -  67
Citations -  2096

Martin Varela is an academic researcher from VTT Technical Research Centre of Finland. The author has contributed to research in topics: Quality of experience & Quality of service. The author has an hindex of 19, co-authored 64 publications receiving 1833 citations. Previous affiliations of Martin Varela include French Institute for Research in Computer Science and Automation & Swedish Institute of Computer Science.

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Challenges of QoE management for cloud applications

TL;DR: Technical challenges emerging from shifting services to the cloud are discussed, as well as how this shift impacts QoE andQoE management, with a particular focus on multimedia cloud applications.
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QoE beyond the MOS: an in-depth look at QoE via better metrics and their relation to MOS

TL;DR: The limitations of MOS are put forward, other statistical tools that provide a much more comprehensive view of how quality is perceived by the users are presented, and the results of several subjective studies with these tools are analyzed.
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Definition of QoE Fairness in Shared Systems

TL;DR: It is argued that neither QoS fairness nor Jain’s fairness index meet all of the desirable QoE-relevant Properties, which are met by the proposed inline-formula, so the proposed index may be used to compareQoE fairness across systems and applications, thus serving as a benchmark for QOE management mechanisms and system optimization.
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A Survey of Emerging Concepts and Challenges for QoE Management of Multimedia Services

TL;DR: QoE management is addressed in the context of ongoing developments, such as the move to softwarized networks, the exploitation of big data analytics and machine learning, and the steady rise of new and immersive services.