An Energy Efficient Data Gathering in Dense Mobile Wireless Sensor Networks

R. Velmani, B. Kaarthick
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引用次数: 26

Abstract

Amidst of the growing impact of wireless sensor networks (WSNs) on real world applications, numerous schemes have been proposed for collecting data on multipath routing, tree, clustering, and cluster tree. Effectiveness of WSNs only depends on the data collection schemes. Existing methods cannot provide a guaranteed reliable network about mobility, traffic, and end-to-end connection, respectively. To mitigate such kind of problems, a simple and effective scheme is proposed, which is named as cluster independent data collection tree (CIDT). After the cluster head election and cluster formation, CIDT constructs a data collection tree (DCT) based on the cluster head location. In DCT, data collection node (DCN) does not participate in sensing, which is simply collecting the data packet from the cluster head and delivering it into sink. CIDT minimizes the energy exploitation, end-to-end delay and traffic of cluster head due to transfer of data with DCT. CIDT provides less complexity involved in creating a tree structure, which maintains the energy consumption of cluster head that helps to reduce the frequent cluster formation and maintain a cluster for considerable amount of time. The simulation results show that CIDT provides better QoS in terms of energy consumption, throughput, end-to-end delay, and network lifetime for mobility-based WSNs.
密集移动无线传感器网络中的高能效数据采集
随着无线传感器网络(wsn)对现实世界应用的影响越来越大,人们提出了许多关于多路径路由、树、聚类和聚类树的数据收集方案。无线传感器网络的有效性仅取决于数据采集方案。现有的方法无法分别在移动性、流量和端到端连接方面提供保证可靠的网络。为了解决这类问题,提出了一种简单有效的聚类独立数据收集树(CIDT)方案。在簇头选举和簇形成后,CIDT根据簇头位置构建数据收集树(DCT)。在DCT中,数据采集节点(DCN)不参与感知,只是简单地从簇头收集数据包并将其发送到sink。CIDT最大限度地减少了由于使用DCT传输数据而造成的能源消耗、端到端延迟和簇头流量。CIDT在创建树形结构时提供的复杂性较低,树形结构维护簇头的能量消耗,有助于减少频繁的簇形成,并在相当长的时间内维护一个簇。仿真结果表明,CIDT在能量消耗、吞吐量、端到端延迟和网络生命周期方面为基于移动性的wsn提供了更好的QoS。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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