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首页> 外文期刊>Wireless communications & mobile computing >FLECH: Fuzzy Logic Based Energy Efficient Clustering Hierarchy for Nonuniform Wireless Sensor Networks
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FLECH: Fuzzy Logic Based Energy Efficient Clustering Hierarchy for Nonuniform Wireless Sensor Networks

机译：FLECH：非均匀无线传感器网络的模糊逻辑基于节能聚类层次结构

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摘要

Lifetime of Wireless Sensor Network (WSN) is an important issue which affects its implementation in various real time applications. The major factor behind the energy consumption in WSN is its data collection mechanism. The direct data transmission from each sensor node to the Base Station (BS) consumes more energy than other alternatives. Also it is unnecessary, due to redundant data transmission because of geographically closer nodes. Clustering is the best data collection architectural model for WSN since it takes care of in-network processing which handles redundant data within the network. The techniques used for the network having uniform node distribution are not suitable for the networks which have nonuniformly distributed nodes. This paper contributes a novel clustering algorithm: Fuzzy Logic Based Energy Efficient Clustering Hierarchy (FLECH) for nonuniform WSN. The clusters in FLECH are created using proper parameters which increases the lifetime of the WSN. Fuzzy logic in FLECH is wisely used to combine important parameters like residual energy, node centrality, and distance to BS for electing best suitable nodes as CH and increases the network lifetime. FLECH performance is verified in different scenarios and the results are compared with LEACH, CHEF, ECPF, EAUCF, and MOFCA. The simulation results clearly indicate the lifetime increase by FLECH over other algorithms and its energy conservation per round of data collection in the network.
机译：无线传感器网络（WSN）的生命周期是影响其在各种实时应用中实现的一个重要问题。无线传感器网络能耗的主要因素是其数据采集机制。从每个传感器节点到基站（BS）的直接数据传输比其他替代方案消耗更多的能量。此外，由于地理位置较近的节点导致了冗余数据传输，因此也没有必要这样做。集群是无线传感器网络最好的数据收集架构模型，因为它负责处理网络内的冗余数据。用于具有均匀节点分布的网络的技术不适用于具有非均匀分布节点的网络。本文提出了一种新的非均匀无线传感器网络分簇算法：基于模糊逻辑的能量有效分簇层次（FLECH）。FLECH中的簇是使用适当的参数创建的，这增加了无线传感器网络的寿命。FLECH中的模糊逻辑被明智地用于结合剩余能量、节点中心度和到基站的距离等重要参数，以选择最合适的节点作为CH，并增加网络寿命。FLECH的性能在不同的场景中得到验证，结果与LEACH、CHEF、ECPF、EAUCF和MOFCA进行了比较。仿真结果清楚地表明，与其他算法相比，FLECH算法的寿命增加了，并且在网络中每一轮数据采集都能节省能量。

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