LOW-FREQUENCY LOCALIZATION AND IDENTIFICATION SYSTEM WITH ZIGBEE NETWORK

被引:5
|
作者
Ropponen, A. [1 ]
Linnavuo, M. [1 ]
Sepponen, R. [1 ]
机构
[1] Aalto Univ, Sch Sci & Technol, Appl Elect Res Unit, PL 13340, Aalto 00076, Finland
来源
INTERNATIONAL JOURNAL ON SMART SENSING AND INTELLIGENT SYSTEMS | 2011年 / 4卷 / 01期
关键词
localization; Elderly care; RFID; Low frequency; ZigBee; Near-field imaging;
D O I
10.21307/ijssis-2017-427
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Location awareness is important in health care. One way of generating this is a low-frequency radio frequency identification (RFID) location system that has been developed. The system tracks RFID tags with a quad antenna matrix that is placed under the floor surface. The tag can be also used to receive alarms and send acknowledgements via a ZigBee network. This article discusses the requirements of this kind of a tag, its structure, and its location accuracy. The demonstrated RFID system can locate people and items inside the building with an accuracy of 1.1 +/- 0.5 m (S.D.).
引用
收藏
页码:75 / 93
页数:19
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