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信任评价的低能耗安全GEAR路由协义的研究

Hua YANG,Qianping WANG,Gang HAN,Rui ZHOU

Computer Engineering and Applications（2011）

Cited 3|Views16
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Abstract
针对GEAR路由协议所面临的安全威胁和节点能量有限的不足,利用信任评价机制和数据融合技术对其进行改进,提出了一种新的协议T-GEAR (Trust-GEAR,T-GEAR).该协议通过为节点增加信任度参数,使节点在选择下一跳节点时考虑了其信任值,降低了下一跳节点是攻击节点的可能性.此外,该协议还对目标区域内的信息传递进行了数据融合,在一定程度上降低了网络的能耗.实验仿真结果表明,与GEAR协议相比,T-GEAR协议延长了网络的生命周期,具有较高的包传输率和较低的丢包率,提高了网络的安全性.
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Key words
data fusion,Geographical and Energy Aware Routing(GEAR) protocol,secure routing,wireless sensor network,trust degree,trust evaluation mechanism
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