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移动P2P流媒体中的数据调度算法 被引量：2

Data Scheduling Algorithm in Mobile P2P Streaming
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摘要 为了解决移动网络中分层流媒体的数据调度问题,提出了一种新的应用于移动网络P2P(Peer-to-Peer)流媒体的数据调度算法——二维数据调度算法。该算法将流媒体数据块分别使用二维坐标进行标注(块坐标和层坐标),数据调度过程中数据块的调度顺序由其二维坐标确定。仿真结果表明,二维数据调度算法能保证移动终端上的流媒体的顺畅播放;无用包率减小,使无线网络中带宽得到有效地利用;对层订阅抖动具有较好的抑制作用,确保流媒体质量稳定。 In Mobile Network,a new data scheduling scheme named two-dimension data scheduling scheme was propsoed to be used in wireless mobile P2P（Peer-to-Peer） streaming to address the scheduling issue in layered streaming.In the scheme,each data in the streaming was marked with two-dimensional coordinates（blcok coordinate and layer coordinate）,and the scheduling order of the data is determined by its two-dimensional coordinates.The main contribution of our scheme comes in three-fold： it can assure the fluency of vedio＇s playback on the mobile terminal;making best use of the wireless bandwidth with minishing the useless packet ratio;achieving a low subscription ratio which brings the quality of the streaming＇s stability.
作者 张勇 何娜娜 夏海轮
机构地区 江苏省邮电规划设计院通信信息技术研究院 北京邮电大学信息与通信工程学院
出处 《吉林大学学报（信息科学版）》 CAS 2010年第6期570-575,共6页 Journal of Jilin University（Information Science Edition）
基金 江苏省自然科学基金资助项目(2009469)
关键词 移动P2P流媒体 分层编码 数据调度 mobile peer-to-peer（P2P） streaming layered coding data scheduling
分类号 TN301.2 [电子电信—物理电子学]
  • 相关文献

参考文献10

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二级参考文献19

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共引文献12

同被引文献18

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引证文献2

二级引证文献8

吉林大学学报（信息科学版）
2010年 第6期

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