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| 基于在线评估的无线Mesh网流媒体缓存 | |
| 引用本文： | 杜旭,左冬红,陈俊,江诗怡. 基于在线评估的无线Mesh网流媒体缓存[J]. 电子学报, 2011, 39(7): 1523-1529 |
| 作者姓名： | 杜旭 左冬红 陈俊 江诗怡 |
| 作者单位： | 华中科技大学电子与信息工程系,湖北武汉,430074 |
| 基金项目： | 国家自然科学基金(No.60773193); 武汉市晨光计划基金(No.200850731351) |
| 摘 要： | 针对无线Mesh网的特点,本文研究了媒体片段副本密度的理想最佳分布与流媒体片段流行度空间分布、节点能力以及节点稳定性之间的关系,提出了基于副本稳定性补偿的缓存优化算法.相应的,为了及时准确地了解各个地点的节点行为特性,本文提出了基于年龄分布分析的可靠性评估算法.进而本文提出了一种轻量级的全分布式的流媒体缓存策略实施方案... |
| 关 键 词： | 无线mesh网 流媒体缓存 参数在线评估 |
| 收稿时间： | 2010-05-14 |
Online-Estimation Based Streaming Media Replication Over Wireless Mesh Network |
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| DU Xu,ZUO Dong-hong,CHEN Jun,JIANG Shi-yi. Online-Estimation Based Streaming Media Replication Over Wireless Mesh Network[J]. Acta Electronica Sinica, 2011, 39(7): 1523-1529 | |
| Authors: | DU Xu ZUO Dong-hong CHEN Jun JIANG Shi-yi |
| Affiliation: | DU Xu,ZUO Dong-hong,CHEN Jun,JIANG Shi-yi(Department of Electronics and Information,Huazhong University of Science and Technology,Wuhan,Hubei 430074,China) |
| Abstract: | In view of the characteristics of Wireless Mesh Network(WMN),this paper investigates the relationship between the ideal optimal density of replicas over the space and the popularity spatial distribution of the media segments together with the capacity and reliability of the nodes,and then proposes a reliability repairing based replication optimization algorithm.Accordingly,to timely and accurately understand the characteristics of the nodes at various locations,this paper proposes a reliability estimation a... |
| Keywords: | wireless mesh streaming media replication online estimation |
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