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2014 | OriginalPaper | Buchkapitel

27. Perception of Quality Changes in Wireless Networks

verfasst von : Blazej Lewcio, Sebastian Möller

Erschienen in: Quality of Experience

Verlag: Springer International Publishing

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Abstract

Over the top services so far discussed in this book, such as speech and video telephony, gain the attention of mobile users, who nowadays do not expect the connectivity only, but also demand for Quality of Experience (QoE). In this sense, the concept of an “always best connected” mobile user faces new challenges. Nomadic use of services and heterogeneity of technology make it impossible to constantly provide the highest transmission quality. As a matter of fact, intelligent management of quality is required and to be successfully in doing so, QoE in heterogeneous networks must be explored and user perception of changing quality must be understood. This chapter addresses user perception of quality while using speech and video telephony in heterogeneous wireless networks. It is in particular focused on user perception of quality changes due to switching between networks, codecs, and encoding bit rates during an ongoing transmission. This knowledge is inevitable for a perception-based design of service and mobility management in modern networks.

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Vorheriges Kapitel Recognition Tasks

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Titel: Perception of Quality Changes in Wireless Networks
verfasst von: Blazej Lewcio
Sebastian Möller
Verlag: Springer International Publishing
Buch: Quality of Experience
Print ISBN: 978-3-319-02680-0

Electronic ISBN: 978-3-319-02681-7

Copyright-Jahr: 2014
DOI: https://doi.org/10.1007/978-3-319-02681-7_27