Achieving long reading ranges with passive wireless intermodulation sensors

Pekka Pursula, Nadine Pesonen, Jinsong Song, llkka Marttila, Ville Viikari

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    5 Citations (Scopus)


    This paper presents a system architecture combining batteryless wireless intermodulation sensors and their associated reader, and analyses the achievable read range of such sensor-reader system. The computed read range is compared to those provided by harmonic and passive UHF RFID sensor systems. Effects of both reader thermal noise and third-order distortion by the reader itself on the read range of the system are considered, by means of theoretical analysis, simulations and measurements. The presented reader with a distortion-limited sensitivity of ?70 dBm at the receiver input provides a 7 m measured and a 9 m simulated read range
    Original languageEnglish
    Title of host publication2014 IEEE RFID Technology and Applications (RFID-TA) Conference
    PublisherIEEE Institute of Electrical and Electronic Engineers
    ISBN (Electronic)978-1-4799-4680-8
    Publication statusPublished - 2014
    MoE publication typeA4 Article in a conference publication
    EventIEEE RFID Technology and Applications (RFID-TA) Conference - Tampere, Finland
    Duration: 8 Sept 20149 Sept 2014


    ConferenceIEEE RFID Technology and Applications (RFID-TA) Conference
    Abbreviated titleRFID-TA


    • intermodulation
    • passive mixer
    • wireless sensor


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