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Publication Detail
Narrow-beam azimuthally omni-directional millimetre-wave antenna using freeformed cylindrical woodpile cavity
  • Publication Type:
    Conference
  • Authors:
    Lee Y, Lu X, Hao Y, Yang S, Evans JRG, Parini CG
  • Publisher:
    INST ENGINEERING TECHNOLOGY-IET
  • Publication date:
    10/2010
  • Pagination:
    1491, 1499
  • Published proceedings:
    IET MICROWAVES ANTENNAS & PROPAGATION
  • Volume:
    4
  • Issue:
    10
  • Name of conference:
    20th Asia Pacific Microwave Conference
  • Conference place:
    Macau, PEOPLES R CHINA
  • Conference start date:
    19/12/2008
  • Conference finish date:
    20/12/2008
  • Print ISSN:
    1751-8725
  • Language:
    EN
  • Addresses:
    Lee, Y
    STFC Rutherford Appleton Lab
    Space Sci & Technol Dept
    Didcot
    OX11 0QX
    Oxon
    England
Abstract
A freeformed cylindrical electromagnetic bandgap (EBG) structure and its application for millimetre-wave antennas are presented. The cylindrical EBG structure is fabricated using the extrusion freeforming technique in which the design is downloaded directly to a building platform. The fabricated cylindrical woodpile exhibits bandgap characteristics around 95 GHz and is used for realising a resonant cavity antenna. The fabricated antenna achieves a narrow beam with 6.5 degrees measured half-power beam-width in the elevation plane without using an array configuration. The overall antenna gain is approximately 5 dBi at 94.2 GHz, suitable for future short-range gigabit wireless communications.
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