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Reliability evaluation of wireless sensor networks using an enhanced OBDD algorithm
  • ISSN号:1005-8885
  • 期刊名称:《中国邮电高校学报:英文版》
  • 时间:0
  • 分类:TP212[自动化与计算机技术—控制科学与工程;自动化与计算机技术—检测技术与自动化装置] TM732[电气工程—电力系统及自动化]
  • 作者机构:[1]State Key Laboratory of Networking and Switching, Beijing University of Posts and Telecommunications, Beijing 100876, China, [2]State Key Laboratory of Wireless Mobile Communication, China Academy of Telecommunications Technology, Beijing 100083, China, [3]Information Engineering School, Southwest University of Science and Technology, Mianyang 621000, China
  • 相关基金:This work was supported by the National Natural Science Foundation of China (60672086), the Hi-Tech Research and Development Program of China (2007AA01Z2A 1, 2008AA01A316), the EUFPT Project EFIPSANS (215547), and the Foundation for Western Returned Chinese Scholars of the Ministry of Education.
中文摘要:

一个提高的订的二进制决定图(EOBDD ) 算法被建议评估无线传感器网络(WSN ) 的可靠性,基于普通原因失败(CCF ) 和在 WSN 的很多节点的考虑。当 CCE 根据随机的图和 WSN 的 CCF 模型发生时, EOBDD 算法分析普通原因事件(CCE ) 和网络结构。在与节点扩大构造原来的网络的订的二进制决定图(OBDD ) 以后,沿着这 OBDD 指导可靠性计算使用一套 OBDD 变量(SOV ) 。二关于 OBDD 罐头减少走 OBDD 构造和存储的费用。而且,有效 OBDD 结构和回锅肉丁表格能极大地减少同晶型体的冗余的计算。实验结果证明 EOBDD 能被用来高效地评估 WSN 的可靠性。

英文摘要:

An enhanced ordered binary decision diagram (EOBDD) algorithm is proposed to evaluate the reliability of wireless sensor networks (WSNs), based on the considerations of the common cause failure (CCF) and a large number of nodes in WSNs. The EOBDD algorithm analyzes the common cause event (CCE) and the network structure when CCE takes place according to the stochastic graph and the CCF model of WSNs. After constructing the ordered binary decision diagram (OBDD) of the original network with node expansion, it uses a set of OBDD variables (SOV) to guide reliability computations along this OBDD. The two steps about OBDD can decrease the cost of OBDD constructions and storage. Furthermore, the efficient OBDD structure and Hash tables can greatly decrease redundant computations of isomorphs. The experiment results show that the EOBDD can be used to evaluate the reliability of WSN efficiently.

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期刊信息
  • 《中国邮电高校学报:英文版》
  • 主管单位:高教部
  • 主办单位:北京邮电大学、南邮、重邮、西邮、长邮、石邮
  • 主编:LU Yinghua
  • 地址:北京231信箱(中国邮电大学)
  • 邮编:100704
  • 邮箱:jchupt@bupt.edu.cn
  • 电话:010-62282493
  • 国际标准刊号:ISSN:1005-8885
  • 国内统一刊号:ISSN:11-3486/TN
  • 邮发代号:2-629
  • 获奖情况:
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  • 被引量:127