Nonline-of-sight error mitigation in mobile location

被引：232

作者：

Cong, L ^{[1
]}

Zhuang, WH

机构：

[1] UTStarcom, Res & Dev, SE, NIT, Hangzhou 310053, Peoples R China

[2] Univ Waterloo, CWC, Dept Elect & Comp Engn, Waterloo, ON N2L 3G1, Canada

来源：

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2005年 / 4卷 / 02期

基金：

加拿大自然科学与工程研究理事会;

关键词：

angle of arrival (AOA); mobile location; nonline-of-sight (NLOS) propagation; time difference of arrival (TDOA); wideband code-division multiple-access (CDMA) cellular systems;

D O I：

10.1109/TWC.2004.843040

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The location of mobile terminals has received considerable attention in the recent years. The performance of mobile location systems is limited by errors primarily caused by nonline-of-sight (NLOS) propagation conditions. We investigate the NLOS error identification and correction techniques for mobile user location in wireless cellular systems. Based on how much a priori knowledge of the NLOS error is available, two NLOS mitigation algorithms are proposed. Simulation results demonstrate that with the prior information database, the location estimate can be obtained with good accuracy even in severe NLOS propagation conditions.

引用

页码：560 / 573

页数：14

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