摘要
对基于ZigBee的定位算法进行了研究,提出了改进的分步定位算法,并基于TI公司的CC2530,通过接收信号强度指示以及改进的分步定位法对节点进行定位实验。定位精度在1到4m之间。实验结果表明与经典定位算法相比,改进的分步定位法计算量更小,具有更高的定位精度,并能够降低环境噪声的影响。
Make some research on loca t ion a lgorithms of Z ig B e e , and put forwa rd the improv ed step b y step a lgorithm. U s e re-ceived signal strength indication and the imp ro v ed step b y step a lgorithm to loca te the ta g, b a sed on T e x a s Instruments＇ s CC 2530. Conduct some tests,and loca t ion a c cura cy ran g e from 1 meter to 4 meters. Th e results indicate that compared w ith the classic positioning algorithm, the improv ed step b y step a lgorithm has smaller amount o f ca lcu lat ion, has h igh er loca t ion a c cu-racy and decrease the inf lu ence of environment n o is e.Key words： indoor pos it ioning; R S S I ;s tep b y step algorithm
出处
《信息通信》
2017年第3期45-48,共4页
Information & Communications
关键词
室内定位
信号强度指示
分步定位法
indoor pos it ioning
R S S I
s tep b y step algorithm
