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网络编码技术在分布式内容分发中的应用 被引量：1

Network Coding in Decentralized Content Distribution
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摘要 结合图论及有限域运算的相关知识,详细阐述了网络编码技术的编解码原理、优点及其应用领域.针对分布式内容分发系统,讨论比较了分别采用不编码、纠删码和网络编码三种方式对数据进行处理的优缺点,并且从理论分析和仿真实验两方面验证了网络编码在内容分发领域的优越性能.最后,指明了未来网络编码在实际应用中的发展方向. Based on the graph theory and finite field operation, this paper introduces the principle of network coding and its applications. For a decentralized content distribution network, three coding mechanisms including uncoded distribution, erasure coding based distribution and network coding based distribution are discussed. The excellent performance of network coding based content distribution is demonstrated with both theoretic analysis and computer simulation experiments. Key issues in practical network coding are presented.
作者 邹君妮 李乐扬 谭冲
机构地区 上海大学通信与信息工程学院
出处 《上海大学学报（自然科学版）》 CAS CSCD 北大核心 2007年第4期465-470,共6页 Journal of Shanghai University:Natural Science Edition
基金 国家高技术研究发展计划(863计划)资助项目(2006AA01Z322)
关键词 网络编码 对等网络 内容分发 组播 network coding P2P content distribution muhicast
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献11

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同被引文献20

  • 1黄佳荃,张圣.基于网络编码法的网络信息交换算法研究[J].武汉理工大学学报（信息与管理工程版）,2006,28(7):33-36. 被引量：1
  • 2熊志强,黄佳庆,刘威,杨宗凯.无线网络编码综述[J].计算机科学,2007,34(3):6-9. 被引量：23
  • 3BHAGWAT P, BHATTACHARYA P, KRISHNA A, et al. Enhancing throughput over wireless LANs using channel state dependent packet scheduling[A]. IEEE Conference on Computer Communications, Fifteenth Annual Joint Conference of the IEEE Computer Societies (IN- FOCOM '96) [C]. San Francisco, CA, USA, 1996. 1133-1140.
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  • 5WANG J F, ZHAI H Q, FANG Y G. Opportunistic packet scheduling and media access control for wireless lans and multi-hop ad hoe networks[A]. Proc of IEEE Wireless Communications and Networking Conference (WCNC'04)[C]. Atlanta, GA, USA, 2004. 1234-1239.
  • 6AHLSWEDE R, CAI N, LI S Y R, et al. Network information flow[J]. IEEE Trans Inform Theory, 2000, 46(4): 1204-1216.
  • 7LI S Y R, YEUNG R W, CAIN. Linear network coding[J]. IEEE Transactions on Information Theory, 2003, 49(2): 371-381.
  • 8HO T, KOETTER R, MEDARD M, et al. The benefits of coding over routing in a randomized setting[A]. Proceedings of IEEE International Symposium on Information Theory[C]. Yokohama, Japan, 2003. 442-447.
  • 9DEB S, EFFROS M, HO T, et al. Network coding for wireless applications: a brief tutorial[A]. Proceedings of IWWAN[C]. London, U K, 2005.
  • 10FRAGOULI C, WIDMER J, BOUDEC J Y L. On the benefits of network coding for wireless applications[A]. 4th International Symposium on Modeling and Optimization in Mobile, Ad hoc and Wireless Networks[C]. Boston, Massachusetts, 2006. 1-6.

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上海大学学报（自然科学版）
2007年 第4期

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