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

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

CLC Number: 

• TP301.6