WSN中基于博弈论的节点功率控制算法  

Based on game theory algorithm in nodes power control of WSN

作　　者：滕志军 吕金玲 张力[1] 郭力文 TENG Zhi-jun;LU Jin-ling;ZHANG Li;GUO Li-wen(School of Information Engineering,Northeast Electric Power University,Jilin Jilin 132012,China)

机构地区：[1]东北电力大学信息工程学院,吉林吉林132012

出　　处：《控制理论与应用》2018年第5期717-721,共5页Control Theory & Applications

基　　金：国家自然科学基金项目(51277023);国家自然科学基金青年科学基金项目(61501107);吉林省教育厅"十三五"科学研究规划项目(JJKH20180439KJ)资助~~

摘　　要：针对如何降低无线传感器网络中节点传输的能量消耗,延长网络生存周期,本文将博弈论引入WSN功率控制中,综合考虑节点的剩余能量、发射功率等因素构建效用函数,将剩余能量较大的节点作为下一跳节点,连接其他节点并承载较多的传输任务.节点在通信过程中以功率博弈算法作为策略方案,不断调整各自的策略,提高信息传输的准确率,并证明该算法纳什均衡的存在.仿真结果表明,与传统分布式功率控制算法相比,该算法通过控制节点传输功率实现了降低能耗的目的,能更快迭代出最优发射功率,并得到较大的信干比.In this paper, game theory is applied to the WSN power control to reduce the energy consumption of the point transmission and prolong the lifetime of the network. The utility function is constructed by considering the residual energy and the transmitted power of the node. The remaining energy larger node is as the next hop node, which connects other nodes and takes more transmission tasks. In the communication process, the nodes take power control game algorithm as strategy and constantly adjust their strategies to improve the accuracy of information transmission. Nash equilibrium is proved to exist in the algorithm. Simulation results show that this algorithm can realize the purpose of reducing the energy consumption of wireless sensor network through the control of node transmission power, calculating the optimal transmit power faster, and getting the higher signal interference ratio compared with traditional distributed power control algorithm.

关 键 词：无线传感器网络 博弈论 功率控制 纳什均衡 能耗 

分 类 号：TN99[电子电信—信号与信息处理]