AN IMPROVED DV-HOP POSITIONING ALGORITHM BASED ON HOP DISTANCE CORRECTION

被引:0
作者
Wang, Yujian [1 ]
Qian, Kaiguo [2 ]
机构
[1] Kunming Univ, Sch Informat & Technol, Kunming 650214, Peoples R China
[2] Kunming Univ, Dept Phys Sci & Technol, Kunming 650214, Peoples R China
来源
2014 11TH INTERNATIONAL COMPUTER CONFERENCE ON WAVELET ACTIVE MEDIA TECHNOLOGY AND INFORMATION PROCESSING (ICCWAMTIP) | 2014年
关键词
Wireless sensor network (WSN); DV; -; Hop; Node localization; Positioning error; WIRELESS SENSOR NETWORKS;
D O I
暂无
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
In traditional DV-Hop localization algorithm, the average estimation hop distance is greater influence for the distribution of beacon nodes, which causes high positioning error. A new algorithm is proposed to improve this disadvantage. The new improved algorithm uses the hyperbolic method to locate the unknown node position. This way eliminates the cumulative error and improves the positioning accuracy. Simulation experiments show that the positioning error of improved algorithm is better than DV - Hop algorithm that reduced by 15% or so, and the best case, the positioning error decreases to 15%, meets the demand of sensor network localization accuracy.
引用
收藏
页码:415 / 418
页数:4
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