摘要
为减小DV-Hop算法在无线传感器网络节点定位中的误差,针对DV-Hop中平均每跳距离的计算方式进行了改进,利用蛙跳算法来求解平均每跳距离,使其更接近实际值,从而提高最终定位结果的精确度。仿真结果表明,改进DV-Hop算法在不增加硬件开销的基础上,能有效提高定位精确度,降低定位误差,具有较好的稳定性,是一种实用的无线传感器网络节点定位方案。
In order to reduce the node localization error of DV-Hop algorithm in Wireless Sensor Network(WSN),a calculation method of average distance per hop was adjusted by using the shuffled frog leaping algorithm.The improved DV-Hop algorithm makes the average distance per hop closer to the actual value,thereby reducing the localization error.The simulation results indicate that the improved DV-Hop algorithm reduces localization error effectively and has good stability without additional devices;therefore,it is a practical localization solution for WSN.
出处
《计算机应用》
CSCD
北大核心
2011年第4期922-924,1002,共4页
journal of Computer Applications
基金
四川师范大学青年基金资助项目(10QNL04)
关键词
无线传感器网络
定位
DV-HOP算法
蛙跳算法
平均每跳距离
Wireless Sensor Network(WSN)
localization
DV-Hop algorithm
shuffled frog leaping algorithm
average one-hop distance