Wireless charging sensor network total utility maximization method

一种无线充电传感器网络总效用最大化方法

Abstract

The invention provides a wireless charging sensor network total utility maximization method. The method comprises following steps of determining an optimal data rate of nodes; finding out a node fusion outward link rate according to the optimal data rate of the nodes; determining the average energy consumption of the nodes in data transmission and receiving; determining a link allocation flow rate; determining the electric quantity supplemented for the nodes; and determining the delay time of data collection. The method has following several advantages that a mobile collector directly performs energy transmission through wireless energy transmission, so that energy transmission is not affected by environment change any more, such as weather change and seasonal change; on approaching the nodes, the mobile collector can have stable high charging rate, thereby guaranteeing high efficient data service; and due to the mobility of the mobile collector, the router burden of the sensor can be relieved, so that the energy can be saved and the network life cycle can be prolonged.
本发明提供了一种无线充电传感器网络总效用最大化方法,包括如下步骤:确定节点的最优数据率;根据节点的最优数据率找到节点融合向外链接的速率;确定节点在数据传输和接收的平均能量消耗;确定链路分配的流速;确定为节点补充的电量;确定数据收集的延迟时间。本发明具有以下几个优势:第一,通过无线能量传送移动收集器直接进行能量传送,能量传送不再受环境变化影响,如天气和季节性变化。第二,只要移动收集器靠近节点,就可以得到稳定的高的充电速率,保证了高效的数据服务。第三,移动收集器的移动性可以减轻传感器的路由负担,因此可以节约能量延长网络生命周期。

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