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Autonomic Multimedia Transcoding Algorithm for Seamless Streaming Media of Mobile Clients  

Han, Woo-Ram (강원대학교 컴퓨터학부)
Heo, Nan-Sook (강원대학교 컴퓨터정보통신공학과)
Park, Chong-Myung (강원대학교 컴퓨터정보통신공학과)
Seo, Dong-Mahn (강원대학교 컴퓨터정보통신공학과)
Jung, In-Bum (강원대학교 컴퓨터정보통신공학과)
Publication Information
Journal of KIISE:Computing Practices and Letters / v.13, no.5, 2007 , pp. 260-270 More about this Journal
Abstract
Owing to the improved wireless communication technologies, it is possible to provide streaming service of multimedia with PDAs and mobile phones in addition to desktop PCs. Since mobile client devices have low computing power and low network bandwidth due to wireless network, the transcoding technology to adapt media for mobile client devices considering their characteristics is necessary. However, since mobile clients use wireless network and the wireless network have less stable bandwidth according to distance from AP and environments, it is hard to support stable QoS to mobile clients. In this paper, we propose a dynamic bit rate control method for transcoding in order to supprot stable QoS of streaming media service to mobile clients via wireless network. The proposed method is shown to serve seamless streaming media service with adaptive bit rate control according to state of wireless network in real time and to reduce transmission failure from experiment.
Keywords
transcoding; Network Adaptive QoS; mobile client; wireless; available bandwidth;
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