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    Wyświetlanie 1-3 z 3
    Tytuł:
    The Idea of Enhancing Directional Energy Radiation by a Phased Antenna Array in UHF RFID System
    Autorzy:
    Jankowski-Mihułowicz, P.
    Kawalec, D.
    Węglarski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/227164.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    RFID
    phased antenna array
    interrogation zone
    Opis:
    The interrogation zone IZ is the most important parameter when RFID systems are considered. Its predictability is determined by the construction and parameters of antenna built in a read/write device. The IZ should be of sufficient size and appropriate to requirements established for an application of object automated identification. The method of shaping an antenna radiation pattern provides effective yet unconventional opportunities in this area. The idea and practical solution of the phased antenna array dedicated to UHF read/write devices are presented in the paper. On the basis of tests carried out, the authors pointed out the possibility of using developed devices for the synthesis of a determined IZ in anti-collision RFID system.
    Źródło:
    International Journal of Electronics and Telecommunications; 2016, 62, 2; 115-120
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Interrogation zone determination in HF RFID systems with multiplexed antennas
    Autorzy:
    Jankowski-Mihułowicz, P.
    Węglarski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/141107.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    anti-collision identification
    interrogation zone
    multiplexed antennas
    RFID
    Opis:
    The operation of an anti-collision RFID system is characterized by the interrogation zone which should be estimated in any direction of 3D space for a group of electronic transponders. The interrogation zone should be as large as possible. However, the many problems in this area are due to the fact that energy can be transferred to transponders only on a limited distance. The greatest flexibility in developing RFID applications and shaping the interrogation zone can be achieved using the system with an antenna multiplexer. Therefore the problem of the interrogation zone determination in HF RFID systems with two orthogonal RWD antennas is presented in the paper. The perceived issues have been effectively dealt with and the solution has been proposed on the basis of the elaborated model. Conducted studies have been used to develop the software tool JankoRFIDmuxHF in the Mathcad environment. The research results are analysed in an example system configuration. The specialized measuring stand has been used for experimental verification of the identification efficiency. The convergence of the measurements and calculations confirms a practical usefulness of the presented concept of interrogation zone determination in anti-collision systems. It also shows the practical utility of the developed model and software tools.
    Źródło:
    Archives of Electrical Engineering; 2015, 64, 3; 459-470
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Using the phased array antenna to increase geometric size of the interrogation zone in a UHF RFID system
    Autorzy:
    Jankowski-Mihułowicz, P.
    Kawalec, D.
    Węglarski, M.
    Lichoń, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/141093.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    phased array antenna
    anti-collision identification
    interrogation zone
    RFID
    Opis:
    An attempt to increase the geometric size of the interrogation zone in UHF RFID systems with a phased array antenna is presented in this paper. The interrogation zone should be as large as possible. However, energy can be transferred to transponders only to a limited distance. The greatest flexibility in developing RFID applications and shaping the interrogation zone can be achieved using a phased array antenna. The perceived issues have been effectively dealt with and the solution has been proposed on the basis of an elaborated model. Conducted studies have been used to develop a software tool in the Mathcad environment. The research results are analyzed in detail for different system configurations and can be implemented in practical projects to be developed in cooperation with the industry.
    Źródło:
    Archives of Electrical Engineering; 2017, 66, 4; 761-772
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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