MPEG: a video compression standard for multimedia applications
Communications of the ACM - Special issue on digital multimedia systems
An adaptive congestion control scheme for real time packet video transport
IEEE/ACM Transactions on Networking (TON)
What are the implications of long-range dependence for VBR-video traffic engineering?
IEEE/ACM Transactions on Networking (TON)
Video-on-demand services: efficient transportation and decompression of variable bit rate video
Video-on-demand services: efficient transportation and decompression of variable bit rate video
Simple and efficient models for variable bit rate MPEG video traffic
Performance Evaluation - Special issue on applied probability modelling in telecommunication
Validation and tuning of an MPEG-1 video model
ATM networks
RCBR: a simple and efficient service for multiple time-scale traffic
IEEE/ACM Transactions on Networking (TON)
IEEE/ACM Transactions on Networking (TON)
SAVE: an algorithm for smoothed adaptive video over explicit rate networks
IEEE/ACM Transactions on Networking (TON)
MPEG-2 sources: exploiting source scalability for an efficient bandwidth allocation
Multimedia Systems - Special issue: Multimedia authoring and presentation techniques
Asynchronous transfer of video
IEEE Communications Magazine
Study of the impact of MPEG-1 correlations on video-sources statistical multiplexing
IEEE Journal on Selected Areas in Communications
Feedback control mechanisms for real-time multipoint video services
IEEE Journal on Selected Areas in Communications
Markovian Characterisation of H.264/SVC Scalable Video
ASMTA '08 Proceedings of the 15th international conference on Analytical and Stochastic Modeling Techniques and Applications
A genetic approach to Markovian characterisation of H.264 scalable video
Multimedia Tools and Applications
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Constant quality VBR video transmission causes a low utilization of network resources due to rare high-rate periods. Source scalability (i.e., the codec generates streams corresponding to several quality levels) is a promising approach to achieve a higher bandwidth utilization with a negligible reduction of the quality perceived by a human observer. To study bandwidth allocation for VBR scalable sources a characterization of the traffic generated by these sources is required. In this paper we develop and validate a Markovian model to characterize a scalable MPEG source. Our model is obtained by extending (without any additional state-space complexity) a Markov model previously developed for constant-quality MPEG sources. At any time instant, the model generates, with the same precision of the constant-quality model, the size of the highest quality pictures and approximates the size of the pictures corresponding to the other quality levels. By exploiting this model we show that the source scalability approach significantly increases the utilization while maintaining the quality of the video signal close to the highest quality for most of the time.