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An Energy Efficient Distance-Aware Routing Algorithm with Multiple Mobile Sinks for Wireless Sensor Networks

机译：无线传感器网络中具有多个移动接收器的节能型距离感知路由算法

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摘要

Traffic patterns in wireless sensor networks (WSNs) usually follow a many-to-one model. Sensor nodes close to static sinks will deplete their limited energy more rapidly than other sensors, since they will have more data to forward during multihop transmission. This will cause network partition, isolated nodes and much shortened network lifetime. Thus, how to balance energy consumption for sensor nodes is an important research issue. In recent years, exploiting sink mobility technology in WSNs has attracted much research attention because it can not only improve energy efficiency, but prolong network lifetime. In this paper, we propose an energy efficient distance-aware routing algorithm with multiple mobile sink for WSNs, where sink nodes will move with a certain speed along the network boundary to collect monitored data. We study the influence of multiple mobile sink nodes on energy consumption and network lifetime, and we mainly focus on the selection of mobile sink node number and the selection of parking positions, as well as their impact on performance metrics above. We can see that both mobile sink node number and the selection of parking position have important influence on network performance. Simulation results show that our proposed routing algorithm has better performance than traditional routing ones in terms of energy consumption.
机译：无线传感器网络（WSN）中的流量模式通常遵循多对一模型。靠近静态接收器的传感器节点将比其他传感器更快地耗尽其有限的能量，因为它们将在多跳传输期间转发更多数据。这将导致网络分区，孤立的节点并大大缩短网络寿命。因此，如何平衡传感器节点的能耗是一个重要的研究课题。近年来，在无线传感器网络中使用宿移动性技术引起了很多研究关注，因为它不仅可以提高能源效率，而且可以延长网络寿命。在本文中，我们提出了一种用于WSN的具有多个移动接收器的节能距离感知路由算法，其中接收器节点将沿着网络边界以一定速度移动以收集监视的数据。我们研究了多个移动宿节点对能耗和网络寿命的影响，我们主要集中在移动宿节点编号的选择和停车位置的选择，以及它们对以上性能指标的影响。我们可以看到，移动宿节点数和停车位置的选择对网络性能都有重要影响。仿真结果表明，本文提出的路由算法在能耗方面优于传统路由算法。

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