基于综合故障的无线传感器网络无标度容错拓扑模型研究
发布时间：2019-03-06 12:11
【摘要】：针对无线传感器网络实际应用中遇到的环境损毁和能量耗尽的问题,本文首先对网络综合故障进行建模,获取满足综合故障容忍能力和网络生命期双重需求的网络节点度和节点度上限值的取值规律,并结合由无标度特征导出的两者关系,从而求得最优节点度上限值,最终引入关于节点度上限值的适应度函数,提出了容忍环境损毁和能量耗尽综合故障的无标度容错拓扑演化模型.仿真实验结果表明,该模型演化生成的无标度拓扑对环境损毁和能量耗尽具有较好的容错性,并能够有效地延长网络生命期.
[Abstract]:In order to solve the problems of environment damage and energy depletion in the practical application of wireless sensor networks (WSNs), this paper first models the integrated faults of WSNs. The optimal upper limit value of node degree is obtained by combining the relationship derived from scale-free features, and the upper limit value of network node degree and node degree satisfying the double requirements of comprehensive fault tolerance ability and network lifetime are obtained, and the optimal upper limit value of node degree is obtained by combining the relationship derived from scale-free features. Finally, the fitness function of the upper limit of node degree is introduced, and a scale-free fault-tolerant topology evolution model for tolerance of environmental damage and energy depletion is proposed. The simulation results show that the scale-free topology generated by the model has good fault tolerance for environmental damage and energy depletion, and can effectively prolong the lifetime of the network.
【作者单位】： 燕山大学电气工程学院;燕山大学信息科学与工程学院;
【基金】：河北省自然科学基金(批准号:F2012203179,F2014203239)资助的课题~~
【分类号】：TP212.9;TN929.5
本文编号：2435512
[Abstract]:In order to solve the problems of environment damage and energy depletion in the practical application of wireless sensor networks (WSNs), this paper first models the integrated faults of WSNs. The optimal upper limit value of node degree is obtained by combining the relationship derived from scale-free features, and the upper limit value of network node degree and node degree satisfying the double requirements of comprehensive fault tolerance ability and network lifetime are obtained, and the optimal upper limit value of node degree is obtained by combining the relationship derived from scale-free features. Finally, the fitness function of the upper limit of node degree is introduced, and a scale-free fault-tolerant topology evolution model for tolerance of environmental damage and energy depletion is proposed. The simulation results show that the scale-free topology generated by the model has good fault tolerance for environmental damage and energy depletion, and can effectively prolong the lifetime of the network.
【作者单位】： 燕山大学电气工程学院;燕山大学信息科学与工程学院;
【基金】：河北省自然科学基金(批准号:F2012203179,F2014203239)资助的课题~~
【分类号】：TP212.9;TN929.5
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