Peak and leading edge detection for time-of-arrival estimation in band-limited positioning systems

被引：22
|
作者：
Sharp, I.
Yu, K.
Guo, Y. J.
机构：
[1] CSIRO ICT Centre, Wireless Technologies Laboratory
来源：
IET COMMUNICATIONS | 2009年 / 3卷 / 10期
关键词：
WIRELESS; LOCALIZATION; ALGORITHM; LOCATION;
D O I：
10.1049/iet-com.2008.0637
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 performance of the peak and leading edge detection methods for time-of-arrival (TOA) estimation in band-limited systems is examined. Analytical expressions for the detection performance in the presence of both random noise and multipath interference are derived. A dimensionless performance factor is presented that allows simple comparisons of the TOA estimation algorithms. These equations allow the performance tradeoff analysis to be undertaken without the need for simulations. It is shown that the leading edge detection method has significantly better multipath mitigation characteristics than the peak detection one, but at the expense of inferior noise performance.
引用
收藏
页码：1616 / 1627
页数：12
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