• Bandwidth limitations of ultra high frequency-radio frequency identification tags 

      Zamora González, Gerard; Paredes Marco, Ferran; Herraiz Martínez, Francisco Javier; Martín Antolín, Ferran; Bonache Albacete, Jordi (16/07/2013)
      Fundamental bandwidth limitations on the design of ultra high frequency (UHF) radio frequency identification (RFID) tags are investigated. This study was conducted by considering the optimum equivalent-circuit network ...
    • Chipless RFID system based on magnetoinductive-wave (MIW) delay lines 

      Herraiz Martínez, Francisco Javier; Ugarte Muñoz, Eduardo; Segovia Vargas, Daniel; Paredes Marco, Ferran; Zamora González, Gerard; Martín Antolín, Ferran; Bonache Albacete, Jordi (Sin editorial (Nagoya, Japón), 29/10/2012)
      A novel fully passive and electromagnetic chipless radiofrequency identification (RFID) system is proposed. The system is based on printed tags implemented with magnetoinductive-wave (MIW) delay lines. Such lines are ...
    • Dual-band printed dipole antenna loaded with open complementary split-ring resonators for wireless applications 

      Herraiz Martínez, Francisco Javier; Paredes Marco, Ferran; Zamora González, Gerard; Martín Antolín, Ferran; Bonache Albacete, Jordi (01/04/2012)
      In this article, a printed dipole antenna loaded with open complementary split ring resonators is proposed. The integration of these particles inside the dipole structure provides dual-band behavior. Furthermore, a ...
    • Dual-band RFID tags based on folded dipole antennas loaded with spiral resonators 

      Paredes Marco, Ferran; Zamora González, Gerard; Herraiz Martínez, Francisco Javier; Martín Antolín, Ferran; Bonache Albacete, Jordi (Sin editorial (Tucson, Estados Unidos de América), 05/03/2012)
      The purpose of this paper is to demonstrate the possibility of implementing folded dipole antennas operative at two closely spaced frequencies of interest, for instance, in ultra-high-frequency radio frequency identification ...
    • Dual-band UHF-RFID tags based on meander-line antennas loaded with spiral resonators 

      Paredes Marco, Ferran; Zamora González, Gerard; Herraiz Martínez, Francisco Javier; Martín Antolín, Ferran; Bonache Albacete, Jordi (25/07/2011)
      The purpose of this letter is to implement dual-band tags for ultrahigh-frequency (UHF) radio frequency identification (RFID) applications operative in Europe and the US. Since the regulated bands of UHF-RFID in Europe ...
    • Free-space and on-metal dual-band tag for UHF-RFID applications in Europe and USA 

      Paredes Marco, Ferran; Zamora González, Gerard; Zuffanelli, Simone; Herraiz Martínez, Francisco Javier; Martín Antolín, Ferran; Bonache Albacete, Jordi (01/09/2013)
      In this paper, we present an UHF-RFID tag mountable on metallic surfaces and capable to operate in the assigned frequency bands in Europe (866-869 MHz) and USA (902-928 MHz). Due to the proximity of these frequency bands, ...
    • Fundamental mode leaky-wave-antenna (LWA) using slot line and split-ring-resonator(SRR)-based metamaterials 

      Zamora González, Gerard; Zuffanelli, Simone; Paredes Marco, Ferran; Herraiz Martínez, Francisco Javier; Martín Antolín, Ferran; Bonache Albacete, Jordi (28/10/2013)
      A new composite right/left-handed (CRLH) slotline leaky-wave antenna (LWA) is proposed. The antenna, implemented by loading a slotline with split-ring resonators (SRRs), is designed to exhibit a balanced dispersion relation, ...
    • Multiband printed monopole antennas loaded with OCSRRs for PANs and WLANs 

      Herraiz Martínez, Francisco Javier; Zamora González, Gerard; Paredes Marco, Ferran; Martín Antolín, Ferran; Bonache Albacete, Jordi (22/12/2011)
      Multiband printed monopole antennas loaded with open complementary split-ring resonators (OCSRRs) are presented. The OCSRRs, modeled as parallel LC resonant tanks, act as high-impedance elements at their resonance frequencies, ...
    • Printed magnetoinductive-wave (MIW) delay lines for chipless RFID applications 

      Herraiz Martínez, Francisco Javier; Paredes Marco, Ferran; Zamora González, Gerard; Martín Antolín, Ferran; Bonache Albacete, Jordi (01/11/2012)
      A novel fully passive and electromagnetic chipless radiofrequency identification (RFID) system is proposed. The system is based on printed tags implemented with magnetoinductive-wave (MIW) delay lines. Such lines are ...
    • Recent advances in multiband printed antennas based on metamaterial loading 

      Paredes Marco, Ferran; Zamora González, Gerard; Zuffanelli, Simone; Herraiz Martínez, Francisco Javier; Martín Antolín, Ferran; Bonache Albacete, Jordi (09/07/2012)
      It is shown that printed antennas loaded with metamaterial resonators can be designed to exhibit multiband functionality. Two different antenna types and metamaterial loading are considered: (i) printed dipoles or monopoles ...