A low-cost ultra-wideband indoor ranging technique

被引：0
|
作者：
De Angelis, A. [1 ]
Dionigi, M. [1 ]
Moschitta, A. [1 ]
Carbone, P. [1 ]
机构：
[1] Univ Perugia, Dept Elect & Informat Engn, I-06125 Perugia, Italy
来源：
2007 IEEE INSTRUMENTATION & MEASUREMENT TECHNOLOGY CONFERENCE, VOLS 1-5 | 2007年
关键词：
geolocation; indoor ranging; time-of-flight; ultra-wideband;
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 presents the development of a low-cost indoor ranging technique based on Time-Of-Arrival (TOA) estimation, using Short-Pulse Ultra-Wideband (UWB) signals. The realized system includes two identical UWB transceiver devices, in which the receiver section is based on a tunnel diode detector and the pulse generation is performed by a common bipolar transistor driven in avalanche mode. An indirect measurement of the distance between the devices is obtained by measuring the frequency of the generated pulse train. A theoretical model of the system is described and a statistical analysis is presented, including the evaluation of the Cramer-Rao Lower Bound (CRLB) on the distance estimation. Furthermore the principle of operation of the realized system prototypes is described, along with some implementation issues. Finally experimental results are shown and discussed.
引用
收藏
页码：1308 / 1313
页数：6
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