计算机工程 ›› 2012, Vol. 38 ›› Issue (9): 90-92.doi: 10.3969/j.issn.1000-3428.2012.09.027

• 网络与通信 • 上一篇    下一篇

基于四面体模型的三维加权质心定位算法

王 帅1,于劲松1,梁 沛1,田学稳2   

  1. (1. 北京航空航天大学自动化科学与电气工程学院,北京 100191;2. 中航工业直升机设计研究所,江西 景德镇 333001)
  • 收稿日期:2011-06-27 出版日期:2012-05-05 发布日期:2012-05-05
  • 作者简介:王 帅(1988-),男,学士,主研方向:无线传感器网络;于劲松,副教授、博士;梁 沛,学士;田学稳,工程师
  • 基金项目:
    航空科学基金资助项目(20100751010)

Three-dimensional Weighed Centroid Localization Algorithm Based on Tetrahedral Model

WANG Shuai   1, YU Jin-song   1, LIANG Pei   1, TIAN Xue-wen   2   

  1. (1. School of Automation Science and Electrical Engineering, Beihang University, Beijing 100191, China; 2. AVIC Helicopter Research and Development Institute, Jingdezhen 333001, China)
  • Received:2011-06-27 Online:2012-05-05 Published:2012-05-05

摘要: 针对三维空间中未知节点的定位问题,提出基于四面体模型的三维加权质心定位算法。利用锚节点组成四面体,依据未知节点与锚节点间的距离大小,采取加权求和定位未知节点,利用接收信号强度指示器的数据信息对加权系数进行修正。仿真结果表明,该算法的定位精度较高。

关键词: 无线传感器网络, 三维加权质心, 四面体模型, 接收信号强度指示器

Abstract: In order to solve the problem of locating unknown nodes in three-dimensional space, this paper proposes a three-dimensional weighed centroid localization algorithm based on tetrahedral model. The tetrahedron consists of four anchor nodes. The unknown nodes are located according to the distances between unknown nodes and anchor nodes, which are weighted sum. It uses the data information of Received Signal Strength Indicator(RSSI) to revise weighting factor. Simulation results show that the localization accuracy of the algorithm is high.

Key words: Wireless Sensor Network(WSN), three-dimensional weighted centroid, tetrahedral model, Received Signal Strength Indicator(RSSI)

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