| 改进DV—Hop定位算法在随机传感器网络中的研究 |
| |
| 引用本文： | 李白莉,徐玉斌,李俊吉.改进DV—Hop定位算法在随机传感器网络中的研究[J].太原重型机械学院学报,2011(2):85-89. |
| |
| 作者姓名： | 李白莉 徐玉斌 李俊吉 |
| |
| 作者单位： | 太原科技大学计算机科学与技术学院,太原030024 |
| |
| 基金项目： | 太原科技大学青年基金（20093017） |
| |
| 摘 要： | DV—Hop定位算法是一种典型的无需测距定位算法。DV—Hop定位算法在各向同性的密集网络中，可以得到比较合理的定位精度，然而在随机分布的网络中，节点定位误差较大。针对随机传感器网络中节点分布不规则的特点，在传统DV-Hop算法的基础上采用了跳数修正和多变的平均跳距离法两个改进措施，提出了一种改进的DV—Hop定位算法。仿真结果表明，提出的改进算法可大大地提高随机传感器网络中节点的定位精度。
|
| 关 键 词： | DV—Hop定位算法 随机传感器网络 节点定位 |
Study on the Improved DV-Hop Localization Algorithms in Random Sensor Networks |
| |
| LI Bai-li,XU Yu-bin,LI Jun-ji.Study on the Improved DV-Hop Localization Algorithms in Random Sensor Networks[J].Journal of Taiyuan Heavy Machinery Institute,2011(2):85-89. |
| |
| Authors: | LI Bai-li XU Yu-bin LI Jun-ji |
| |
| Affiliation: | ( School of Computer Science and Technology, Taiyuan University of Science and Technology ,Taiyuan 030024, China ) |
| |
| Abstract: | DV-Hop algorithm is a typical range-free localization algorithm. The algorithm can get more reasonable localization accuracy in isotropic density sensor networks. However, it has larger localization errors in randomly distributed networks. According to the characteristics of irregularity of nodal point in random sensor networks,on the.basis of traditional DV-Hop algorithm, this paper adopts two measures ： the amend of hop number and Diversified Average Hopsize. An improved DV-Hop algorithm was put forward. The simulation results show that such improved algo- rithms can greatly enhance the localization accuracy of the unknown nodes in random sensor networks. |
| |
| Keywords: | DV-Hop localization algorithms random sensor networks node localization |
| 本文献已被 维普 等数据库收录！ |
