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An Energy Centric Cluster-Based Routing Protocol for Wireless Sensor Networks

机译：无线传感器网络基于能量中心簇的路由协议

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摘要

Clustering is an effective way to prolong the lifetime of a wireless sensor network (WSN). The common approach is to elect cluster heads to take routing and controlling duty, and to periodically rotate each cluster head’s role to distribute energy consumption among nodes. However, a significant amount of energy dissipates due to control messages overhead, which results in a shorter network lifetime. This paper proposes an energy-centric cluster-based routing mechanism in WSNs. To begin with, cluster heads are elected based on the higher ranks of the nodes. The rank is defined by residual energy and average distance from the member nodes. With the role of data aggregation and data forwarding, a cluster head acts as a caretaker for cluster-head election in the next round, where the ranks’ information are piggybacked along with the local data sending during intra-cluster communication. This reduces the number of control messages for the cluster-head election as well as the cluster formation in detail. Simulation results show that our proposed protocol saves the energy consumption among nodes and achieves a significant improvement in the network lifetime.
机译：群集是延长无线传感器网络（WSN）寿命的有效方法。常见的方法是选举群集头承担路由和控制职责，并定期轮换每个群集头的角色以在节点之间分配能耗。但是，由于控制消息开销而耗散了大量能量，这导致网络寿命缩短。本文提出了一种以能量为中心的基于簇的无线传感器网络路由机制。首先，根据节点的较高等级选择簇头。等级由剩余能量和距成员节点的平均距离定义。在数据聚合和数据转发的作用下，簇首充当下一轮簇首选举的看守人，在簇内通信期间，簇的信息会随本地数据一起被back带。这减少了用于簇头选举以及详细形成簇的控制消息的数量。仿真结果表明，该协议节省了节点间的能耗，并显着提高了网络寿命。

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