Low-frequency localization and identification system with zigbee network

A. Ropponen*, Matti Linnavuo, R. Sepponen

*Corresponding author for this work

    Research output: Contribution to journalArticleScientificpeer-review

    9 Citations (Scopus)


    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.).

    Original languageEnglish
    Pages (from-to)75-93
    Number of pages19
    JournalInternational Journal on Smart Sensing and Intelligent Systems
    Issue number1
    Publication statusPublished - Mar 2011
    MoE publication typeA1 Journal article-refereed


    • Elderly care
    • Localization
    • Low frequency
    • Near-field imaging
    • RFID
    • ZigBee

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