MCRA: A Multi-Charger Cooperation Recharging Algorithm Based on Area Division for WSNs
MCRA: A Multi-Charger Cooperation Recharging Algorithm Based on Area Division for WSNs
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MCRA：一种基于区域划分的无线传感器网络多充电机协作充电算法
DOI：
10.1109/access.2017.2727041
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发表时间：
2017-07
期刊：
影响因子：
3.9
通讯作者：
Wenbo Zhang
中科院分区：
文献类型：
--
作者：
Guangjie Han;Zhifan Li;Jinfang Jiang;Lei Shu;Wenbo Zhang
近年来无线充电技术的突破极大地促进了可充电无线传感器网络（WSNs）的发展。在许多应用中，为了提高无线传感器网络的寿命，需要提高移动充电器的充电效率和能量补充。无线传感器网络的充电路径优化方案已经得到了广泛的研究，但很少有人关注无线传感器在充电过程中的能量消耗及其在充电任务中的运动。本文分析了自动驾驶汽车的运动能耗与其向节点的能量传递之间的关系，提出了提高自动驾驶汽车充电效率的算法。我们将整个网络划分为不同的收费区域，并根据每个区域的不同情况提出了三种收费方案。mc之间合作收费的理念进一步提高了mc的收费效率。仿真结果表明了该算法在提高mc寿命和充电效率方面的优势。本文旨在提高无线传感器网络的寿命，降低充电节点的成本，从而在有限能量的应用中延长无线传感器网络的寿命。
Recent breakthroughs in wireless charging technologies have greatly promoted the development of rechargeable wireless sensor networks (WSNs). To improve the lifetime of WSNs in many applications, the charging efficiency of mobile chargers (MCs) and the energy supplement of MCs should be improved. Although optimized charging path schemes in WSNs have been studied extensively, little attention has been paid to determine the energy consumption of MCs while charging and their movement during the charging tasks. In this paper, we analyze the relationship of the movement energy consumption of MCs and their energy transfer to the nodes and put forward our algorithm for improving the charging efficiency of the MCs. We divide the entire network into different charging regions and propose three charging schemes based on different situations in each region. The idea of cooperation among the MCs to charge MCs further enhances the charging efficiency of the MCs. A simulation demonstrates the advantages of our algorithm for improving the lifetime and charging efficiency of the MCs. This paper aims to improve the lifetime of WSNs and to decrease the cost for charging nodes and results in a longer lifetime for WSNs in applications with limited energy.
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