| 摘要: |
| 针对无线传感器网络DV-Hop定位算法中信标节点与未知节点之间的平均跳距估算误差较大的问题,提出一种改进的DV-Hop算法并进行仿真检验。改进后的算法对传统算法中节点每跳距离选取进行了调整,还采用加权平均法计算节点平均每跳距离。仿真结果表明,改进的DV-Hop算法显著提高未知节点的定位精度。 |
| 关键词: 无线传感器网络 DV-Hop定位算法 平均每跳距离 |
| DOI： |
| 投稿时间：2011-11-10修订日期：2011-12-05 |
| 基金项目: |
|
| An Improved DV-Hop Localization Algorithm for Wireless Sensor Networks |
|
PENG Gang, LIU Rong
|
| (Guilin Air-Force Academy, Guilin, Guangxi, 541003, China) |
| Abstract: |
| In order to solve the problem of large error in the estimation on the average hop distance between beacon nodes and unknown nodes, which in the DV-Hop localization algorithm for wireless sensor networks, an improved DV-Hop localization algorithm and simulation experiment are proposed. In the new algorithm, the calculation of average hop distance is improved and the average hop distance based on weighted disposal is refined. Simulation results demonstrate that the localization accuracy of unknown nodes is improved effectively in the new algorithm. |
| Key words: wireless sensor networks DV-Hop localization algorithm the average hop distance |
