基于分层的WSN非均匀模糊分簇路由

基于分簇拓扑的无线传感器网络中常出现的＂热区＂问题,文章提出一种非均匀分簇的无线传感器网络多跳路由协议,基本思路是将网络划分为宽度不等的层来构建非均匀的簇,路由算法按轮运行。结合剩余能量和密集度,利用Mamdani模糊推理进行层内的簇首选择,构建层间路由树让簇首以多跳方式与基站进行通信。仿真结果表明该算法能够有效缓解＂热区＂问题,延长网络存活时间。

Unequal fuzzy Clustering Protocol for Wireless Sensor Networks Based on Level Model

In order to alleviate the ＂hot spot＂ problem for Wireless Sensor Network base on clustering.We proposed an unequal clustering routing protocol for wireless sensor network.We assume that network is divided in to n radial level with the BS at the center to build the unequal clusters.Algorithm is running by round.First,it takes the residual energy and intensity as the important index;use the fuzzy inference system to selection cluster head in every level.The cluster head to communicate with the base station by multi-hop way.Simulation results show that the algorithm can effectively alleviate the ＂hot spot＂ issues,and extend the network lifetime.