• English
    • Deutsch
  • English 
    • English
    • Deutsch
  • Login
View Item 
  •   Home
  • Universität Ulm
  • Publikationen
  • View Item
  •   Home
  • Universität Ulm
  • Publikationen
  • View Item
JavaScript is disabled for your browser. Some features of this site may not work without it.

IR-UWB radar demonstrator for ultra-fine movement detection and vital-sign monitoring

Thumbnail
vts_8615_12759.pdf (1.167Mb)
11 S.

peer-reviewed

Veröffentlichung
2013-07-17
Authors
Schleicher, Bernd
Nasr, Ismail
Trasser, Andreas
Schumacher, Hermann
Wissenschaftlicher Artikel


Faculties
Fakultät für Ingenieurwissenschaften und Informatik
Abstract
In this paper an impulse-radio ultra-wideband (IR-UWB) hardware demonstrator is presented, which can be used as a radar sensor for highly precise object tracking and breath-rate sensing. The hardware consists of an impulse generator integrated circuit (IC) in the transmitter and a correlator IC with an integrating baseband circuit as correlation receiver. The radiated impulse is close to a fifth Gaussian derivative impulse with (sigma) = 51 ps, efficiently using the Federal Communications Commission indoor mask. A detailed evaluation of the hardware is given. For the tracking, an impulse train is radiated by the transmitter, and the reflections of objects in front of the sensor are collected by the receiver. With the reflected signals, a continuous hardware correlation is computed by a sweeping impulse correlation. The correlation is applied to avoid sampling of the RF impulse with picosecond precision. To localize objects precisely in front of the sensor, three impulse tracking methods are compared: tracking of the maximum impulse peak, tracking of the impulse slope, and a slope-to-slope tracking of the object’s reflection and the signal of the static direct coupling between transmit and receive antenna; the slope-to-slope tracking showing the best performance. The precision of the sensor is shown by a measurement with a metal plate of 1-mm sinusoidal deviation, which is clearly resolved. Further measurements verify the use of the demonstrated principle as a breathing sensor. The breathing signals of male humans and a seven-week-old infant are presented, qualifying the IR-UWB radar principle as a useful tool for breath-rate determination.
Date created
2013
Original publication
IEEE transactions on microwave theory ant techniques 61 (2013), S. 2076 - 2085
http://dx.doi.org/10.1109/TMTT.2013.2252185
Subject headings
[GND]: Radarsensor | Ultraweitband
[MeSH]: Diagnostic imaging
[Free subject headings]: Medical applications | Medical imaging | Ultra-wideband (UWB) circuit techniques | UWB communications | UWB signal generation and transmission
[DDC subject group]: DDC 620 / Engineering & allied operations
License
Standard
https://oparu.uni-ulm.de/xmlui/license_v3

Metadata
Show full item record

DOI & citation

Please use this identifier to cite or link to this item: http://dx.doi.org/10.18725/OPARU-2508

Schleicher, Bernd et al. (2013): IR-UWB radar demonstrator for ultra-fine movement detection and vital-sign monitoring. Open Access Repositorium der Universität Ulm und Technischen Hochschule Ulm. http://dx.doi.org/10.18725/OPARU-2508
Citation formatter >



Policy | kiz service OPARU | Contact Us
Impressum | Privacy statement
 

 

Advanced Search

Browse

All of OPARUCommunities & CollectionsPersonsInstitutionsPublication typesUlm SerialsDewey Decimal ClassesEU projects UlmDFG projects UlmOther projects Ulm

My Account

LoginRegister

Statistics

View Usage Statistics

Policy | kiz service OPARU | Contact Us
Impressum | Privacy statement