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    题名: Generalized Sequence-Based and Reverse Sequence-Based Models for Broadcasting Hot Videos
    作者: Yu,HF;Ho,PH;Yang,HC
    贡献者: 資訊工程研究所
    关键词: SEAMLESS CHANNEL TRANSITION;ON-DEMAND;RECEIVING SCHEME;POPULAR VIDEOS;SERVICE
    日期: 2009
    上传时间: 2010-06-29 20:14:11 (UTC+8)
    出版者: 中央大學
    摘要: It has been well recognized as an efficient approach for broadcasting popular videos by partitioning a video data stream into multiple segments and launching each segment through an individual channel simultaneously and periodically. Based on the design premises, some recent studies, including skyscraper broadcasting (SkB), client-centric approach (CCA), greedy disk-conserving broadcasting (GDB), and reverse fast broadcasting (RFB) schemes, etc., have been reported. To study the client segment downloading process, this paper first introduces an applicable sequence-based broadcasting model that can be used to minimize the required buffer size. By extending RFB, this paper further proposes a reverse sequence-based broadcasting model, which can generally improve the existing schemes such as SkB, CCA, GDB, and FB in terms of the relaxed client buffer size. To have a deeper understanding on the proposed reverse model, the upper bound of the client buffer requirement is obtained through a comprehensive analysis, which is proved to be much smaller than the conventional sequence model by 25% to 50%. Based on the proposed reverse model, a reverse sequence-based broadcasting scheme is developed for achieving smaller delay than CCA and GDB.
    關聯: IEEE TRANSACTIONS ON MULTIMEDIA
    显示于类别:[資訊工程研究所] 期刊論文

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