[1]黄春华 沈军.基于补偿系数的DV-Hop定位的改进算法[J].计算机技术与发展,2011,(06):81-84.
　HUANG Chun-hua,SHEN Jun.Improved DV-Hop Positioning Algorithm Based on Compensation Coefficient[J].,2011,(06):81-84.
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基于补偿系数的DV-Hop定位的改进算法()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2011年06期
页码:
81-84
栏目:
智能、算法、系统工程
出版日期:
1900-01-01

文章信息/Info

Title:
Improved DV-Hop Positioning Algorithm Based on Compensation Coefficient
文章编号:
1673-629X（2011）06-0081-04
作者:
黄春华1 沈军2
[1]桂林电子科技大学计算机科学与工程学院[2]桂林空军学院科研部
Author(s):
HUANG Chun-hua; SHEN Jun
[1]Dept.of Computer Science ＆ Engineering,Guilin University of Electronic Technology[2]Dept.of Scientific Research,Guilin Air Force Academy
关键词:
无线传感器网络; DV-Hop; 补偿系数; 定位算法
Keywords:
wireless sensor networks（WSN）;  DV-Hop;  compensation coefficient;  localization algorithm
分类号:
TP393
文献标志码:
A
摘要:
DV-Hop定位算法是一种重要的无需测距定位算法。在各向同性的密集网络中,它可以获得比较合理的定位精度,然而在随机分布的网络中,节点的定位误差较大。根据DV-Hop算法的定位过程,利用最小均方误差法对平均跳距进行改进,并考虑到传感器节点通常部署在非平面应用场景,通过补偿系数来校正未知节点到信标节点之间的估计距离,提出一种基于补偿系数的定位算法。仿真结果表明,在适当增加节点计算开销的条件下,改进算法的定位精度有明显改善,是一种可行的无线传感器网络节点定位解决方案
Abstract:
DV-Hop algorithm is one of the important range-free localization algorithms.It performs better in isotropic density senor networks,however,it brings larger location errors in random distributed networks.According to the localization principle of the DV-Hop algorithm,improve the estimation of average single hop distance by using the least equal square error,and revise the estimated distance between the unknown node and the anchor node with compensation coefficient considering the wireless sensors deployed in the non-planar application scenarios.This localization algorithm is based on compensation coefficient.Simulation results show that the improved algorithm has better locating performance in locating precision by increasing appropriate computation overhead,and is a feasible locating scheme in WSN in both random distributing and dynamic topology networks

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备注/Memo

备注/Memo:
军队装备科研项目（KJ08069）黄春华（1985-），女，广西玉林人，硕士研究生，研究方向为无线传感器网络节点定位技术沈军，教授，主要研究方向为无线传感器网络技术
更新日期/Last Update: 1900-01-01