• DocumentCode
    2054744
  • Title

    Broadband circularly polarized cavity-backed antenna

  • Author

    Joseph, Ronald ; Nakao, Syuhei ; Fukusako, Takeshi

  • Author_Institution
    Dept. of Comput. Sci. & Electr. Eng., Kumamoto Univ., Kumamoto, Japan
  • fYear
    2010
  • fDate
    21-24 Nov. 2010
  • Firstpage
    426
  • Lastpage
    430
  • Abstract
    The design and experimental investigation of a circularly polarized antenna with circular slot for broadband characteristics is proposed. The horizontal and vertical probes of the L-shaped probe, which is a key element to generate circular polarization, are separated in the structure, contrary to the concept of having joined probes. Another novelty of placing stubs in the slot, which are attached to the ground plane, is proposed to improve the axial ratio (AR) characteristics of the antenna by around 10%. Unidirectional patterns can be obtained by having a cavity of height Ig/4 behind the antenna and is effective when no stubs are placed in the slot.
  • Keywords
    antenna radiation patterns; broadband antennas; L-shaped probe; axial ratio characteristics; broadband circularly polarized cavity-backed antenna; horizontal probe; unidirectional patterns; vertical probes; broadband characteristics; cavity; circularpolarization; separated L-probes;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    TENCON 2010 - 2010 IEEE Region 10 Conference
  • Conference_Location
    Fukuoka
  • ISSN
    pending
  • Print_ISBN
    978-1-4244-6889-8
  • Type

    conf

  • DOI
    10.1109/TENCON.2010.5686682
  • Filename
    5686682
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2054744