A novel energy efficient vice Cluster Head routing protocol in Wireless Sensor Networks

Tawfik Abdel Hakam Hassan, G. Selim, R. Sadek
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引用次数: 9

Abstract

In Wireless Sensor Networks (WSN) with a clustered hierarchical structure, Cluster-Head (CH) nodes are considered the interface between the leaf normal sensors and the Base Station (BS). The energy dissipation of the sensors, whatever their type, can be optimized by a load balancing in the packet TX/RX process in order to prolong the network lifetime and minimize the advertisement phase time for cluster head selection in each round of the LEACH-C protocol. This paper proposes a routing protocol for LEACH_C WSN in which the system lifetime can be extended by assigning a vice cluster head (VCH) to each of the CHs. Unlike other different VCH based protocols, the assigned VCH doest not remain in the idle state and receive its responsibility by the death of the CH, rather the VCH shares the TX/RX load with its CH in order to balance the load distribution, shortly after the death of the CH a VCH is fully loaded until a new VCH receives the TX load. The simulation results confirm that the theoretically expected results. The functionality of the proposed protocol is tested under different simulation conditions such as the size of the WSN field and the results of simulation prove that the proposed protocol prolongs the network lifetime as expected.
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无线传感器网络中一种新型节能副簇头路由协议
在具有聚类分层结构的无线传感器网络(WSN)中,簇头(CH)节点被认为是叶子法向传感器与基站(BS)之间的接口。无论哪种类型的传感器,都可以通过数据包TX/RX过程中的负载平衡来优化其能量消耗,以延长网络生命周期并最小化每轮LEACH-C协议中簇头选择的公告阶段时间。本文提出了一种LEACH_C无线传感器网络的路由协议,该协议通过为每个簇头分配一个副簇头(VCH)来延长系统的生存期。与其他不同的基于VCH的协议不同,分配的VCH不会保持在空闲状态,并在CH死亡时接收其责任,而是VCH与其CH共享TX/RX负载以平衡负载分配,在CH死亡后不久,VCH被完全加载,直到新的VCH接收TX负载。仿真结果证实了理论预期的结果。在WSN字段大小等不同的仿真条件下对所提协议的功能进行了测试,仿真结果证明所提协议如预期的那样延长了网络生存期。
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