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Backscatter Transponder Based on Frequency Selective Surface for FMCW Radar Applications

  • Identification data

    Identifier: imarina:5127984
    Handle: https://hdl.handle.net/20.500.11797/imarina5127984
    Authors:
    Lazaro, AntonioLorenzo, JavierVillarino, RamonGirbau, David
    Abstract:
    This paper describes an actively-controlled frequency selective surface (FSS) to implement a backscatter transponder. The FSS is composed by dipoles loaded with switching PIN diodes. The transponder exploits the change in the radar cross section (RCS) of the FSS with the bias of the diodes to modulate the backscattered response of the tag to the FMCW radar. The basic operation theory of the system is explained here. An experimental setup based on a commercial X-band FMCW radar working as a reader is proposed to measure the transponders. The transponder response can be distinguished from the interference of non-modulated clutter, modulating the transponder's RCS. Some FSS with different number of dipoles are studied, as a proof of concept. Experimental results at several distances are provided.

  • Others:

    Author, as appears in the article.: Lazaro, Antonio; Lorenzo, Javier; Villarino, Ramon; Girbau, David;
    Department: Enginyeria Electrònica, Elèctrica i Automàtica
    URV's Author/s: Girbau Sala, David / Lázaro Guillén, Antonio Ramon / Villarino Villarino, Ramón Maria
    Keywords: Transponder Rfld Rfid Frequency selective surface (fss) Fmcw radar
    Abstract: This paper describes an actively-controlled frequency selective surface (FSS) to implement a backscatter transponder. The FSS is composed by dipoles loaded with switching PIN diodes. The transponder exploits the change in the radar cross section (RCS) of the FSS with the bias of the diodes to modulate the backscattered response of the tag to the FMCW radar. The basic operation theory of the system is explained here. An experimental setup based on a commercial X-band FMCW radar working as a reader is proposed to measure the transponders. The transponder response can be distinguished from the interference of non-modulated clutter, modulating the transponder's RCS. Some FSS with different number of dipoles are studied, as a proof of concept. Experimental results at several distances are provided.
    Thematic Areas: Engineering, electrical & electronic Engenharias iv Electrical and electronic engineering
    licence for use: https://creativecommons.org/licenses/by/3.0/es/
    Author's mail: antonioramon.lazaro@urv.cat david.girbau@urv.cat ramon.villarino@urv.cat
    Author identifier: 0000-0003-3160-5777 0000-0001-7995-5536 0000-0001-9692-8943
    Record's date: 2024-10-26
    Papper version: info:eu-repo/semantics/publishedVersion
    Link to the original source: https://www.radioeng.cz/papers/2014-2.htm
    Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
    Papper original source: Radioengineering. 23 (2): 632-641
    APA: Lazaro, Antonio; Lorenzo, Javier; Villarino, Ramon; Girbau, David; (2014). Backscatter Transponder Based on Frequency Selective Surface for FMCW Radar Applications. Brno: Brno University of Technology
    Entity: Universitat Rovira i Virgili
    Journal publication year: 2014
    Publication Type: Proceedings Paper

  • Keywords:

    Electrical and Electronic Engineering,Engineering, Electrical & Electronic
    Transponder
    Rfld
    Rfid
    Frequency selective surface (fss)
    Fmcw radar
    Engineering, electrical & electronic
    Engenharias iv
    Electrical and electronic engineering

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