基于均匀分簇的无线传感器网络寿命最大化理论分析传感技术学报.pdfVIP

第 22 卷 　第 10 期 传 感 技 术 学 报 Vol . 22 　N o . 10 2009 年 10 月 CHIN ES E J OU RNAL O F S EN SORS AND AC TUA TORS Oct . 2009 Theoretical Analysis of Maximum L if etime f or Unif orm Cl usterBased Wireless Sensor Net works M A M i ng , L I U A nf eng Col leg e of I nf orm at ion S cience an d Eng i neeri ng , Cent ral S out h Uni vers ity , Changs ha 4 10083 , Chi na Abstract :A significant goal of ro uting p rotocol for wirele ss sen sor net wor k s i s to balance ener gy co n sump tion of sen sor no de s and t hu s to p rolon g net wor k lif etime . Thi s p ap er conduct s a t heoretical analy si s of maximum lifetime for wirele ss sen sor net wor k s ba sed on unifor m clu st ering . On t hi s ba si s ,an imp roved da t a t ran smi ssion mo de i s p ropo sed ,w hich equalize s ener gy con sump tion of sen sor no de s eff ectively and t hu s ext ends net wor k lif etime significant ly . Simulation s show t hat rea so nable selection of t he op timal clu st er ra diu s ,w hen net wor k radiu s i s det er mined , can maximize net wor k lifetime . Aft er t he imp rovement of dat a t ran smi ssion mo de t he maximum net wor k lifetime i s increa sed by 13 % co mp ared wit h it s lif etime before imp rovement . Finally ,t he f ut ure re search focu sing on t hi s area i s point ed out . Key words :wireless sensor networks ;uniform clu stering ;maximum network lifetime ,data transmission mode EEACC :6150 P 基于均匀分簇的无线传感器网络寿命最大化理论分析 马 　明,刘安丰 中南大学信息科学与工程学院 ,长沙 4 10083 摘 　要 :无线传感器网络路由协议的一个重要 目标是均衡节点能量消耗并延长网络寿命 。基于均匀分簇的无线传感器