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如何有效利用节点能量并延长网络的生存期是研究无线传感器网络的一个核心问题。对比拓扑控制策略,能量有效路由策略以及休眠管理的研究,提出有效能量最小化策略(MEPP)。该策略结合前3种类型策略的特点,在网络中活动节点和传输能耗配置的基础上,将降低节点能耗视为求解一般最优化问题。最后给出一个有效能量最小化策略的算法,达到延长网络生存期的目的。
How to effectively use the node energy and extend the lifetime of the network is one of the core issues in wireless sensor networks. Compared with the topological control strategy, energy efficient routing strategy and dormancy management, this paper proposes an effective energy minimization strategy (MEPP). Based on the characteristics of the first three types of strategies, this strategy reduces the energy consumption of nodes as a general optimization problem based on the configuration of active nodes and transmission energy consumption in the network. Finally, an effective energy minimization strategy is given to achieve the purpose of prolonging network lifetime.