计算机工程 ›› 2008, Vol. 34 ›› Issue (19): 107-108,.doi: 10.3969/j.issn.1000-3428.2008.19.037

• 网络与通信 • 上一篇    下一篇

基于信号强度的无线局域网匹配定位算法

魏洪兴,王晓晖,王田苗   

  1. (北京航空航天大学机器人研究所,北京 100083)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2008-10-05 发布日期:2008-10-05

WLAN Matching Location Algorithm Based on Signal Strength

WEI Hong-xing, WANG Xiao-hui, WANG Tian-miao   

  1. (Robotics Institute, Beijing University of Aeronautics and Astronautics, Beijing 100083)
  • Received:1900-01-01 Revised:1900-01-01 Online:2008-10-05 Published:2008-10-05

摘要: 基于信号强度的匹配定位是无线网络定位的主要方法,包括离线训练和在线定位2个阶段。该文对在线定位阶段的传统定位算法进行了改进,选取定位匹配过程中概率较大的若干点,根据概率大小计算加权系数,进行加权运算以完成定位。实际环境下的定位实验验证该算法可以明显提高定位精度。

关键词: 无线局域网, 信号强度, 定位算法

Abstract: Matching location based on signal strength is the primary method of Wireless LAN(WLAN) location, which includes offline training phase and online location determination phase. This paper improves the traditional algorithm of offline location determination phase. By selecting some greater probability points for location, it calculates the position with coefficients that comes from probability. Experimental results demonstrate that the algorithm can improve the accuracy of location obviously.

Key words: Wireless LAN(WLAN), signal strength, location algorithm

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