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Radar chart: scanning for satisfactory QoE in QoS dimensions

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4 Author(s)

The ongoing convergence of QoE and QoS studies to give a thorough understanding of the end user has posed numerous exciting possibilities for network and multimedia researchers. However, there is not yet a proper visualization tool that is able to map the many-to-one relationship between QoS metrics and QoE, leaving researchers speechless in the cacophony of traditional two-dimensional diagrams. Although mostly employed in qualitative analysis, we found the radar chart, with a few tweaks, surprisingly suitable for the purpose. In this article, we present our adaptation of the radar chart, and demonstrate in a voice-over-IP context its use in single- and cross-application performance analysis, application recommendation, and network diagnosis.

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Network, IEEE  (Volume:26 ,  Issue: 4 )