基于模糊梯度的无线传感器网络能量均衡路由协议  

Fuzzy Gradient based Energy Equilibrium Routing Protocol for Wireless Sensor Network

作　　者：李戈阳[1] 曹阳[1,2] 高洵[1] 唐娟[1] 

机构地区：[1]武汉大学电子信息学院,湖北武汉430072 [2]武汉大学软件工程国家重点实验室,湖北武汉430072

出　　处：《湖南大学学报（自然科学版）》2008年第12期83-87,共5页Journal of Hunan University:Natural Sciences

基　　金：教育部高等学校博士学科点专项基金资助项目(20040486049);国家自然科学基金重点项目子课题资助项目(60132030)

摘　　要：为了延长无线传感器网络的寿命,从均衡节点能量消耗的角度设计了基于模糊梯度的能量均衡路由协议.该协议对节点间的梯度值进行模糊分级,并将等级选择策略与质量评价函数相结合进行下一跳节点选择,以实现全局的能量均衡;设计并利用低能量节点的拒绝与推荐策略为低剩余能量节点进行负载分流,以实现局部能量均衡.仿真表明:该协议能更全面、合理地利用有限的资源,较大地延长网络寿命并降低节点的平均能耗.To prolong the lifetime of wireless sensor network, fuzzy gradient based energy equilibrium rout- ing protocol （FGEE） was designed. In FGEE, fuzzy gradient classification and quality evaluation function Based next-hop selecting strategy were devised to balance the energy consumption as a whole. Reject and recommend strategy of low energy node was applied to bypass the load, which could balance energy consumption locally. The simulation results showed that FGEE utilized the limited resources more thoroughly and rationally, pro- longed the network life to a large extent and decreased the average energy consumption.

关 键 词：无线传感器网络 能量均衡 模糊梯度 拒绝与推荐策略 下一跳节点 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]