基于信任评价的低能耗的数据聚融算法

作者:高翔;甘昕艳;秦川 刊名:计算机工程与设计 上传者:胡宁生

【摘要】针对无线传感网络(wireless sensor networks,WSNs)的数据聚融问题,提出一种基于信任评价的低能耗的数据聚融算法,记为RDFT.构建逻辑拓扑,将监测区域划分为不同监护程度的子区域.传感节点在传输数据前,评估感测数据的信任值,只有可信度高于阈值的数据才允许传输;在传输数据时,节点利用距离、能量和链路质量信息计算上行节点的转发资本值,选择具有最高资本值的节点作为下一跳转发节点.仿真结果表明,RDFT算法在能耗、端到端传输时延方面的性能均优于同类算法SFEB、RAG.

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2018年4月 计算机工程与设计 Ap r.2018 第39卷第4期 C()MPUTER ENGINEERING AND DESIGN V01.39 No.4 基于信任评价的低能耗的数据聚融算法 高翔,甘昕艳,秦川 (广西中医药大学计算机教学部,广西南宁530200) 摘要:针对无线传感网络(wireless sensor networks,WSNs)的数据聚融问题,提出一种基于信任评价的低能耗的数据 聚融算法,记为RDFI"。构建逻辑拓扑,将监测区域划分为不同监护程度的子区域。传感节点在传输数据前,评估感测数 据的信任值,只有可信度高于闽值的数据才允许传输;在传输数据时,节点利用距离、能量和链路质量信息计算上行节点 的转发资本值,选择具有最高资本值的节点作为下一跳转发节点。仿真结果表明,RDFT算法在能耗、端到端传输时延方 面的性能均优于同类算法SFEB、RAG。 关键词:无线传感网;数据聚融;信任评价;可信度;转发资本 中图法分类号:TP393 文献标识号:A文章编号:1000—7024(2018)04—1047—06 doi:10.16208/j.issnl000—7024.2018.04.026 Trust evaluation based low consumption data fusaggregation algorithm for wireless sensor networks GAO Xiang,GAN Xin-yan,QIN Chuan (Department of Computer Teaching,Guangxi University of Chinese Medicine,Nanning 530200,China) Abstract:For data aggregation in wireless sensor networks(WSNs),reliable data based data fusaggregation and transmission (RDFT)algorithm was proposed.Logic topology was constructed,and the interesting area was divided into several different re— liable sub-regions.Sensor node computed the reliable value of sensing data before transmitting the sensing data.Only data with reliable values that were bigger than the threshold were transmitted.When transmitting data,nodes computed the forwarding capital of downstream node according tO the distance,energy and link.The node with maximum forwarding capital was selected to be next—hop forwarding node.Simulation results show that RDFT algorithm outperforms the similar SFEB and RAG algo— rithms in terms of energy consu

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