Abstract
In this paper, we present a method of QoS mapping between user’s preference on video quality and a required bandwidth to transport the video across the network. We first investigate the mapping method from QoS parameters to the required bandwidth on the network. For this purpose, we assume that the underlying network supports some bandwidth allocation mechanism, such as DBR service class in ATM, RSVP, IPv6 and so on. Then, for given QoS parameters in terms of spatial, SNR, and timely resolutions, the required bandwidth to support the MPEG-2 video transmission is determined by analyzing the traced MPEG-2 streams. We next consider the mapping method between QoS parameters and the user’s perceived video quality, which is quantified by MOS (Mean Opinion Score) evaluation. Based on the above results, we discuss a systematic method to estimate the required bandwidth to guarantee user’s preference on video quality.
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© 1997 Springer Science+Business Media Dordrecht
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Fukuda, K., Wakamiya, N., Murata, M., Miyahara, H. (1997). QoS Mapping between User’s Preference and Bandwidth Control for Video Transport. In: Campbell, A.T., Nahrstedt, K. (eds) Building QoS into Distributed Systems. IFIP — The International Federation for Information Processing. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35170-4_33
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DOI: https://doi.org/10.1007/978-0-387-35170-4_33
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