Performance evaluation of MPEG-4 video streaming over UMTS networks using an integrated tool environment


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Lo, Anthony and Heijenk, Geert and Niemegeers, Ignas (2005) Performance evaluation of MPEG-4 video streaming over UMTS networks using an integrated tool environment. In: 2005 International Symposium on Performance Evaluation of Computer and Telecommunication Systems, SPECTS 2005, 24-28 July 2005, Philadelphia, PA, USA (pp. pp. 676-682).

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Abstract:Universal Mobile Telecommunications System (UMTS) is a third-generation mobile communications system that supports wireless wideband multimedia applications. This paper investigates the video quality attained in streaming MPEG-4 video over UMTS networks using an integrated tool environment, which comprises an MPEG-4 encoder/decoder, a network simulator and video quality evaluation tools. The benefit of such an integrated tool environment is that it allows the evaluation of real video sources compressed using an MPEG-4 encoder. Simulation results show that UMTS Radio Link Control (RLC) outperforms the unacknowledged mode. The latter mode provides timely delivery but no error recovery. The acknowledged mode can deliver excellent perceived video quality for RLC block error rates up to 30% utilizing a playback buffer at the streaming client. Based on the analysis of the performance results, a self-adaptive RLC acknowledged mode protocol is proposed.
Item Type:Conference or Workshop Item
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Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/65635
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