RFID based location in closed rooms -: Implementation of a location algorithm using a passive UHF-RFID system

被引:0
|
作者
Schoenegger, Christoph [1 ]
Stadlmann, Burkhard [1 ]
Wernle, Michael E. [1 ]
机构
[1] Univ Appl Sci Upper Austria, Stelzhamerstr 23, A-4600 Wels, Austria
来源
ICINCO 2008: PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON INFORMATICS IN CONTROL, AUTOMATION AND ROBOTICS, VOL ICSO: INTELLIGENT CONTROL SYSTEMS AND OPTIMIZATION | 2008年
关键词
passive RFID; location; RFID-standard-components; positioning system; RSSI value;
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 a new concept for determining the location of an RFID-tag without any additional hardware. For this positioning system standard RFID components with passive RFID-tags within the UHF range are used. The measurement is based on a location algorithm which makes use of the RSSI value of the UHF reader. The RSSI value is the return signal strength indicator and, as it is shown in the paper in hand, this signal correlates to the distance between the RFID tag and the antenna of the reader. This positioning system is especially useful indoors, where other positioning systems may not work. For this reason it could prove very useful in various logistics applications. The maximum distance from antenna to the tag is approximately between 0.5 m and 3 m. To this end a special algorithm is used to obtain stable calculation results. A minimum of two antennas is needed to get a two-dimensional location.
引用
收藏
页码:135 / +
页数:2
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