基于稳定性控制的自适应MANET分簇策略
首发时间:2017-05-31
摘要:(1)移动无线Ad Hoc网络是一种由若干移动性节点组成的,不依赖于任何固定设备的临时网络。在移动无线Ad Hoc网络中,频繁的节点移动、不佳的节点分布将减少簇的生存时间,并增加通信开销,而这些问题会降低簇的稳定性。针对上述问题,本文提出了基于稳定性控制的自适应MANET分簇策略(SCA)。在文中,我们首先推导出簇的期望生存时间模型与簇的可靠性通信度量模型。在此基础上,我们设计了簇首的稳定性度量模型进行簇首选择。此外,我们同样给出了分簇的维护机制。实验结果表明,本文提出的分簇策略在稳定性指标方面有很好的表现,并在一定程度上降低了通信开销。
关键词: 移动无线Ad Hoc网络 分簇 期望生存时间 可靠性通信度量 维护机制
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An adaptive clustering strategy for MANET based on stability control
Abstract:Mobile wireless Ad Hoc network(MANET) is a temporary network,which is composed of a number of mobile nodes and do not depend on any fixed equipment. In MANET,frequent node motion、bad node distribution will reduce the clusters' survival time、communication quality and increase the communication overhead. All of these problems will decrease the stability of clusters. Focusing on these problems, we put forward an adaptive clustering strategy for MANET based on stability control(SCA). Firstly, we derive the cluster's expected survival time model and reliable communication metric model. Based on these two models, we design the cluster's stability metric model as the measurable indicator of cluster head selection. Besides that, we also give a maintenance mechanism of clustering. The experimental results show that our proposed clustering strategy has good performance on stability indicators. Besides that, it can reduce the communication overhead in some degree.
Keywords: MANET clustering expected survival time reliable communication metric maintenance mechanism
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