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一种DTN节点自定位方案及其性能分析 被引量：5

Performance analysis of a node self-locating scheme in DTN routing algorithms
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摘要 在节点的移动规律无法预知的情况下,针对"移动空间(MobySpace)"中DTN(Delay Tolerant Network)概率路由算法中节点预先定位问题,提出了一种自我定位方案.该方案能够在节点移动的过程中根据一个修正因子不断对节点坐标进行调整,最后使坐标收敛到一个可用的范围.实验证明,该方案可以通过一个合适的修正因子确保路由算法具有很好的稳定性和可移植性. Probabilistic route algorithm of DTN （Delay Tolerant Network） in ＂MobySpace＂ needs to locate the node in advance. But it is hard to know in advance how a node moves. A scheme of self-location, in which all coordinates of a node are adjusted gradually by adjusting parameter while the node is moving, is proposed in this paper. Finally all coordinates will fluctuate in a usable range. The simulation shows that the scheme is able to find a proper value of adjusting parameter to make the routing algorithm in DTN stable and transplantable.
作者 王行甫 卫平青 苗付友 熊焰
机构地区 中国科学技术大学计算机科学技术系
出处 《中国科学院研究生院学报》 CAS CSCD 2008年第3期367-371,共5页 Journal of the Graduate School of the Chinese Academy of Sciences
基金 国家自然科学基金(60673111 60573044) 安徽省自然科学基金(070412045 050420211) 中国科学技术大学青年基金资助
关键词 DTN 自定位 路由 概率 DTN, self-locating, route, probability
分类号 TP393.2 [自动化与计算机技术—计算机应用技术]
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参考文献6

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  • 3Jérémie Leguay, Timur Friedman, Vania Conan. DTN routing in a mobility pattern space. In:Proceeding of the 2005 ACM SIGCOMM Workshop on Delay-tolerant Networking.2005. 276 - 283.
  • 4Sushant Jain, Kevin Fall, Rabin Patra. Routing in a delay tolerant network. In: Proceedings of the 2004 Conference on Applications, Technologies, Architectures, and Protocols for Computer Communications. SESSION: Wireless and Delay-tulerant Networks, 2004. 145 - 158.
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同被引文献62

  • 1郑炜,王澄.延迟容忍网络中的路由算法研究[J].信息技术,2007,31(7):68-70. 被引量：7
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引证文献5

二级引证文献12

中国科学院研究生院学报
2008年 第3期

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