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

页码：726 / 730

页数：5

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