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Media-aware and Quality-guaranteed Rate Adaptation Algorithm for Scalable Video Streaming  

Jung, Young-H. (삼성전자 네트워크 사업부)
Kang, Young-Wook (연세대학교 전기전자공학부)
Choe, Yoon-Sik (연세대학교 전기전자공학부)
Abstract
We propose a quality guaranteed scalable video streaming service over the Internet using a new rate adaptation algorithm. Because video data requires much more bandwidth rather than other types of service, therefore, quality of video streaming service should be guaranteed while providing friendliness with other service flows over the Internet. To successfully provide this, we propose a framework for providing quality-guaranteed streaming service using two-channel transport layer and rate adaptation of scalable video stream. In this framework, baseline layer for scalable video is transmitted using TCP transport for minimum qualify service. Enhancement layers are delivered using TFRC transport with layer adaptation algorithm. The proposed framework jointly uses the status of playout buffer in the client and the encoding rate of layers in media contents. Therefore, the proposed algorithm can remarkably guarantee minimum quality of streaming service rather than conventional approaches regardless of network congestion and the encoding rate variation of media content.
Keywords
Scalable Video;
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