关键路径优先WSNs负载均衡多路数据传输协议  

Critical path priority based load-balancing multi-path data transmission protocol for wireless sensor networks

作　　者：胡艳维[1] 秦拯[2] 张忠志[3] 

机构地区：[1]萍乡高等专科学校,江西萍乡337000 [2]湖南大学软件学院,湖南长沙410082 [3]东莞理工学院计算机学院,广东东莞523808

出　　处：《传感器与微系统》2010年第4期32-34,共3页Transducer and Microsystem Technologies

基　　金：国家"973"计划资助项目(2007CB310702);湖南省自然科学基金资助项目(09JJ3124);广东省自然科学基金资助项目(7007730);广东省科技计划资助项目(0711020400157)

摘　　要：由于无线传感器网络中节点能量有限,如何实现各节点负载均衡以延长网络生存周期是亟待解决的问题。利用关键路径优先原则提出一种多路径数据传输协议,快速选择适合路径并剔除不适合数据传输的路径,并用剩余能量均衡法为各传送路径分配数据,以有效均衡各节点能量,延长网络生存周期。仿真实验表明:算法显著延长了网络寿命,与其他多路径传输算法相比网络寿命延长超过37%。Because of the sensor nodes in wireless sensor networks （WSNs） are equipped with limited energy supply how to realize,load balance of the nodes and to prolong the networks lifetime are the burning question. A muhi-path data transmission protocol is proposed. To balance the load over the sensor nodes and extend the lifetime of the networks, the scheme uses critical path priority principle to select the suitable paths and delete the paths which are not suitable for data transmission, and assign the data for all the data transmission paths with residual energy balancing. Experimental results prove that the proposed scheme can significantly prolong lifetime of the network, prolong network lifetime longer than 37 % compared with some other existing multi-path data transmission algorithms.

关 键 词：负载均衡 关键路径优先 无线传感器网络 多路数据传输 

分 类 号：TP393.04[自动化与计算机技术—计算机应用技术]