计算机工程2013，Vol.39Issue(7)：119-122,4.DOI:10.3969/j.issn.1000-3428.2013.07.027
一种抑制非视距传播误差的混合定位算法
A Hybrid Location Algorithm with Non-line of Sight Transmission Error Mitigation
徐英凯 1曹洁 1陈晓群2
作者信息
- 1. 兰州理工大学计算机与通信学院,兰州730050
- 2. 上海良相智能化工程有限公司,上海201100
- 折叠
摘要
Abstract
The Non-line of Sight(NLOS) transmission error is the main difficulty for mobile user location in cellular wireless communication system.So a novel Time Difference of Arrival(TDOA)/Angle of Arrival(AOA) wireless position scheme based on the two step Kalman filter is proposed.The estimate of the Kalman filter is used to calculate the variance of NLOS,and it adjusts the Kalman filter parameters and mitigate the NLOS error of measurement.These preprocessed measurements are input to the hybrid location estimator implemented by Extended Kalman Filter(EKF).Experimental results show that this algorithm can mitigate the NLOS error,and compared with Chan algorithm,it can improve the positioning accuracy.关键词
无线定位/卡尔曼滤波器/非视距传播/到达时间差/混合定位/到达角Key words
wireless position/ Kalman filter/ Non-line of Sight(NLOS) transmission/ Time Difference of Arrival(TDOA)/ hybrid location/ Angle of Arrival(AOA)分类
信息技术与安全科学引用本文复制引用
徐英凯,曹洁,陈晓群..一种抑制非视距传播误差的混合定位算法[J].计算机工程,2013,39(7):119-122,4.
