摘要
提出了一种基于最小二乘准则的室内三维定位方法。利用小波分析理论对非视距(NLOS)环境下的信号到达时间(TOA)进行去噪,然后结合残差加权算法计算定位点初始估计值。仿真结果表明:该室内定位方法在NLOS传播情况下达到了很好的定位精度。
A three-dimensional localization method based on the least squares criterion is proposed in this paper. The wavelet analysis theory is used to denoise the time of arrival（TOA） in the not-line-of-sight （NLOS） environment. Then the residual weighting algorithm is used to calculate the initial estimated value of the localization point. It is shown that the indoor positioning method achieves a good positioning accuracy under NLOS propagation.
作者
李倩宇
李英祥
吴珊
张颖
LI Qianyu;LI Yingxiang;WU Shan;ZHANG Ying(College of Communication Engineering, Chengdu University of Information Technology, Chengdu 610203, China)
出处
《系统仿真技术》
2018年第2期118-122,共5页
System Simulation Technology
关键词
室内定位
小波变换
非视距(NLOS)
残差加权
indoor positioning
wavelet analysis
not-line-of-sight（NLOS）
residual weighting
