Cross-layer quality assessment of scalable video services on mobile embedded systems

Kyungtae Kang, Won J. Jeon, Kyung Joon Park, Roy H. Campbell, Klara Nahrstedt

Research output: Contribution to journalArticle

Abstract

The recent development of high-speed data transmission over wireless cellular networks has enabled the delivery of multimedia broadcasting services to mobile users. These services involve a range of interactions among different system components, including the wireless channel, the network, and mobile devices, making it crucial for the service provider to verify the model, design, and behavior of a new service before it is deployed. However, previous studies have largely relied on network simulations or scaled experiments, and there has been little work on the sort of unified framework for quality-of-service (QoS) assessment, which considers the interactions between components, that we propose in this paper. Accurate models of the wireless channel, the network, and the data processing that takes place on an embedded system of a mobile client, are integrated within our framework, and allow us to predict several key system metrics and the quality of the video stream as it is perceived by users. Furthermore, different models of system components can be easily plugged in to extend this framework. As an example application, we analyze the performance of the process of decoding scalable videos on ARM-based mobile embedded systems in CDMA2000 wireless cellular networks.

Original languageEnglish (US)
Article number5499472
Pages (from-to)1478-1490
Number of pages13
JournalIEEE Transactions on Mobile Computing
Volume9
Issue number10
DOIs
StatePublished - Oct 1 2010

Fingerprint

Embedded systems
3G mobile communication systems
Metric system
Broadcasting
Mobile devices
Data communication systems
Decoding
Quality of service
Experiments

Keywords

  • Cross-layer quality assessment
  • mobile device
  • scalable video

ASJC Scopus subject areas

  • Software
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

Cross-layer quality assessment of scalable video services on mobile embedded systems. / Kang, Kyungtae; Jeon, Won J.; Park, Kyung Joon; Campbell, Roy H.; Nahrstedt, Klara.

In: IEEE Transactions on Mobile Computing, Vol. 9, No. 10, 5499472, 01.10.2010, p. 1478-1490.

Research output: Contribution to journalArticle

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