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      A 60 GHz beam-steering reconfigurable antenna

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      Author(s)
      Khalat, A.
      Towfiq, Md. A.
      Cetiner, B. A.
      Ceylan, Ö.
      Bıyıklı, Necmi
      Date
      2016
      Source Title
      2016 IEEE International Symposium on Antennas and Propagation (APSURSI)
      Electronic ISSN
      1947-1491
      Publisher
      IEEE
      Pages
      1279 - 1280
      Language
      English
      Type
      Conference Paper
      Item Usage Stats
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      Abstract
      We present the design, microfabrication, and characterization of a multifunctional reconfigurable antenna (MRA) with beam steering capability operating at 60 GHz band (59-66 GHz). The MRA provides 3 different beam directions pertaining to: θ {-30°,0°,30°}; φ = 90° based on reconfigurable parasitic layer approach. The structure consists of three layers namely, feed, driven antenna and reconfigurable parasitic layers. The first two layers use RF and microfabrication process compatible quartz (ϵr = 3.9, tanδ = 0.0002) substrate while parasitic layer is formed on a low-cost pyrex (ϵr = 4.9, tanδ = 0.01) material with air cavities formed underneath. The upper surface of pyrex has 3×3 rectangular shaped metallic pixels, four of which are interconnected by means of switching. By judiciously controlling the switch status the beam-steering is accomplished. The simulated impedance and gain characteristics show ∼ 15% bandwidth over which the maximum realized gain remains relatively flat around ∼ 7.2 dB for all modes of operation. © 2016 IEEE.
      Permalink
      http://hdl.handle.net/11693/37482
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/APS.2016.7696347
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      • National Magnetic Resonance Research Center (UMRAM) 301
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