Improving Ranging Accuracy by Two-Step TOA Estimation for UWB Radio

被引：0
|
作者：
Fukao, Chizu [1 ]
Sasaki, Masaya [1 ]
Ohno, Kohei [1 ]
Itami, Makoto [1 ]
机构：
[1] Tokyo Univ Sci, Dept Appl Elect, Chiba 2788510, Japan
来源：
2008 INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY AND ITS APPLICATIONS, VOLS 1-3 | 2008年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper discusses a raging technique of Ultra Wide-band (UWB) system. The Energy Detection (ED) and Matched Filter (MF) are common techniques as UWB pulse detection methods in TOA (Time of Arrival) ranging system. The two-step TOA estimation is combined the ED and the MY The two-step detection enables higher ranging accuracy than the ED with the simpler receiver structure than the MF. In this paper, the modified two-step estimation is investigated. A dual window and a sampling interval compensation technique axe proposed in the ED and the MF, respectively. The performances of MAE (Mean Absolute Error) are improved in the IEEE802.15.4a system.
引用
收藏
页码：726 / 730
页数：5
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