Simultaneous Out-of-band Interference Rejection and Radiation Enhancement in an Electronic Product via an EBG Structure

Andrea Ruaro, Jesper Thaysen, Kaj Bjarne Jakobsen

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    Abstract

    This work presents an application of a planar electromagnetic band gap (EBG) structure with a perspective product implementation in the back of the mind. The focus is on the integration of such structure under the constraint of space and system coexistence. It is discovered that it is possible to achieve simultaneously both the enhancement of the antenna radiation efficiency and the shrinking of its dimensions, while making the device more resilient to out-of-band electromagnetic interference (EMI). The patterning of the ground plane allows, in fact, to effectively suppress higher-order resonances (alternatively, parallel plate noise) and decrease the radiation efficiency of the structure forbidding higher-order modes to propagate and subsequently be diffracted by the ground plane.
    Original languageEnglish
    Title of host publicationProceedings of the International Microwave Symposium (IMS 2014)
    Number of pages3
    PublisherIEEE
    Publication date2014
    DOIs
    Publication statusPublished - 2014
    Event2014 IEEE MTT-S International Microwave Symposium - Tampa, United States
    Duration: 1 Jun 20146 Jun 2014
    https://ieeexplore.ieee.org/xpl/conhome/6842514/proceeding

    Conference

    Conference2014 IEEE MTT-S International Microwave Symposium
    Country/TerritoryUnited States
    CityTampa
    Period01/06/201406/06/2014
    Internet address

    Keywords

    • Electromagnetic interference (EMI)
    • Electromagnetic compatibility (EMC)
    • Electromagnetic band gap (EBG)
    • Small antennas
    • Printed circuit boards (PCB)

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