基于改进的LANDMARC算法的空间定位实验  

Spatial location Experiment Based on Improved LANDMARC

作　　者：马翠红[1] 丁建南[1] 杨友良[1] 孟凡伟[1] 

机构地区：[1]河北联合大学,河北唐山063009

出　　处：《河北联合大学学报（自然科学版）》2015年第1期83-89,共7页Journal of Hebei Polytechnic University:Social Science Edition

摘　　要：利用HIK-RFM104型UHF嵌入式读写模块和中电海康提供的圆极化天线,搭建了基于UHF RFID的直线式测距实验平台。在室内进行测距实验,应用MATLAB将在实验中测得的数据进行非线性拟合处理,得到RSSI与距离的转换模型。基于测距实验,对应用于平面的LANDMARC算法进行改进,使改进后的算法适用于空间定位系统。改进算法解决了基于平面的LANDMARC算法应用于空间时存在误差的问题,降低实验模型成本的同时,提高了空间定位精度。An ranging experiment platform based on HIK-RFM104 and circularly polarized antenna was constructed.Processing the data collected from the ranging experiment to get the transformation model from the RSSI to the distance by the function of MATLAB nonlinear fitting.Improved LANDMARC algo-rithm combined with the RSSI-distance model to make the LANDMARC algorithm be applied to the three-dimensional space.The improved algorithm eliminate the deviation caused by LANDMARC algorithm. This method not only reduced the costs but also improved the positioning accuracy.

关 键 词：RFID 超高频 RSSI测距LANDMARC算法 空间定位 

分 类 号：TP283[自动化与计算机技术—检测技术与自动化装置]