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分簇式无线传感器网络睡眠调度机制研究 被引量：2

Research on Sleeping Scheduling in Clustered Wireless Sensor Networks
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摘要 提出了一个容忍节点失效和时间同步误差的簇内睡眠调度算法ICSS(Intra-Cluster Sleeping scheduling),该算法不需要外部的精确时间同步机制,对不同类型的节点采用不同的调度机制,在对时间同步的估计中考虑了误差和更新.仿真实验显示在密集部署的网络环境中,该睡眠调度算法在满足网络传输性能的情况下,相对于无同步的固定时间间隔调度和有同步的固定时间间隔调度,网络生存周期分别提高了16.7%和10.5%. An algorithm which can tolerate the failure of nodes and time synchronization is proposed in this paper, which is termed as ICSS （ Intra-Clnster Sleeping scheduling）. The algorithm does not require extemal precise synchronization mechanism. It gives different scheduling mechanisms for different types of nodes, and considers the failure and update of synchronization. The simulation results show that in the dense deployment networks, the algorithm meet the transmission performance and increase the node lifetime 16.7 % and 10.5 % respectively compared to the fixed time-interval scheduling without synchronization and the fixed time-interval scheduling with synchronization.
作者 孟中楼 王殊 赵峰 王骐
机构地区 华中科技大学电子与信息工程系 华中科技大学计算机科学与技术学院
出处 《微电子学与计算机》 CSCD 北大核心 2009年第7期9-12,16,共5页 Microelectronics & Computer
基金 国家985工程项目 中国博士后科学基金项目(20070410282)
关键词 无线传感器网络 睡眠调度 分簇 时间同步 能量有效 wireless sensor networks sleeping scheduling clustering time synchronization energy efficiency
分类号 TP393 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献7

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二级参考文献8

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共引文献7

同被引文献21

  • 1Jennifer Yick, Biswanath Mukherjee, Dipak Ghosal. Wireless sensor network survey[J ]. Computer Networks, 2008,52 (12) : 2292 - 2330.
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  • 9HEINZELMAN W, CHANDRAKASAN A, BALAKRISHNAN H. An application-specific protocol architecture for wireless micro-sensor networks[J]. IEEE Transactions on Wireless Communications, 2002, 1(4): 660-670.
  • 10YOUNIS O, FAHMY S. Distributed clustering in ad-hoc sensor networks: A hybrid energy-efficient approach[C]//Proc 13th Joint Conf on IEEE Computer and Communications Societies. Chicago, USA, 2004: 629-640.

引证文献2

二级引证文献2

微电子学与计算机
2009年 第7期

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