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Avoiding Interruptions - QoE Trade-offs in Block-coded Streaming Media Applications

Author(s)
Parandehgheibi, Ail; Medard, Muriel; Shakkottai, Srinivas; Ozdaglar, Asuman E.
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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Abstract
We take an analytical approach to study Quality of user Experience (QoE) for media streaming applications. We use the fact that random linear network coding applied to blocks of video frames can significantly simplify the packet requests at the network layer and avoid duplicate packet reception. We model the receiver's buffer as a queue with Poisson arrivals and deterministic departures. We consider the probability of interruption in video playback (buffer underflow) as well as the number of initially buffered packets (initial waiting time) as the QoE metrics. We explicitly characterize the optimal trade-off between these metrics by providing upper and lower bounds on the minimum initial buffering required to achieve certain level of interruption probability for different regimes of the system parameters. Our bounds are asymptotically tight as the file size goes to infinity. Further, we show that for arrival rates slightly larger than the play rate, the minimum initial buffering remains bounded as the file size grows. This is not the case when the arrival rate and the play rate match.
Date issued
2010-07
URI
http://hdl.handle.net/1721.1/61965
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Journal
IEEE International Symposium on Information Theory Proceedings (ISIT), 2010
Publisher
Institute of Electrical and Electronics Engineers
Citation
ParandehGheibi, A. et al. “Avoiding interruptions - QoE trade-offs in block-coded streaming media applications.” Information Theory Proceedings (ISIT), 2010 IEEE International Symposium on. 2010. 1778-1782. © Copyright 2010 IEEE
Version: Final published version
Other identifiers
INSPEC Accession Number: 11446023
ISBN
978-1-4244-7891-0
978-1-4244-7890-3

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