无线传感器网络节点包转发策略重复博弈分析

Journal of Jinan University(Natural Science & Medicine Edition)(2009)

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Abstract
针对无线传感器网络节点影响网络可用性与整体性能的自私行为,建立了一种传感器网络节点包转发策略的重复博弈模型.利用节点与邻居节点的重复博弈过程,理性节点采取合作策略,确保背离的自私节点参与合作;证明了该无限重复博弈模型可达到纳什均衡,能够有效地促进节点自发合作.仿真结果表明,在当前最优包转发概率下,节点之间合作获得增强,节点不愿采取背离策略,网络整体效用接近理想状态.
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Key words
Wireless Sensor Network(WSN),Nash equilibrium,packet forwarding,Game Theory,selfish node
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