计算机科学 ›› 2018, Vol. 45 ›› Issue (11A): 315-319.
王自强, 林辉
WANG Zi-qiang, LIN Hui
摘要： 采用无线能量传输技术的移动充电在无线可充电传感网的能量供给中扮演着重要角色。现有相关研究通常忽略了节点在等待充电时的能耗,简化对节点剩余能量阈值的假设,容易使节点耗尽能量而暂停工作。针对这一问题,文中提出一种新的移动充电策略,建立一种节点剩余能量预测模型以匹配节点的充电需求,分别构建了带权路径最小化以及基于带权路径的能量分配最大化问题,并分别采用遗传算法与线性规划对两者进行求解。通过仿真对所提移动充电策略进行了评估并与现有研究进行了对比。结果显示,所提移动充电策略有更高的移动充电能效,可维持网络长期正常工作。
中图分类号:
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