Abstract
Internet videoconferencing has emerged as a viable medium for communication and entertainment. However, its widespread use is being challenged. This is because videoconference end-users frequently experience perceptual quality impairments such as video frame freezing and voice dropouts due to changes in network conditions on the Internet. These impairments cause extra end-user interaction effort and correspondingly lead to unwanted network bandwidth consumption that affects user Quality of Experience (QoE) and Internet congestion. Hence, it is important to measure and subsequently minimize the extra end-user interaction effort in a videoconferencing system. In this paper, we describe a novel active measurement scheme that considers end-user interaction effort and the corresponding network bandwidth consumption to provide videoconferencing interaction QoE measurements. The scheme involves a “Multi-Activity Packet-Trains” (MAPTs) methodology to dynamically emulate a videoconference session’s participant interaction patterns and corresponding video activity levels that are affected by transient changes in network conditions. Also, we describe the implementation and validation of the Vperf tool we have developed to measure the videoconferencing interaction QoE on a network path using our proposed scheme.
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This work has been supported in part by The Ohio Board of Regents.
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© 2007 IFIP International Federation for Information Processing
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Calyam, P., Haffner, M., Ekici, E., Lee, CG. (2007). Measuring Interaction QoE in Internet Videoconferencing. In: Krishnaswamy, D., Pfeifer, T., Raz, D. (eds) Real-Time Mobile Multimedia Services. MMNS 2007. Lecture Notes in Computer Science, vol 4787. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-75869-3_2
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DOI: https://doi.org/10.1007/978-3-540-75869-3_2
Publisher Name: Springer, Berlin, Heidelberg
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