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      Optically reconfigurable planar monopole antenna for cognitive radio application

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      Author
      Ali, A.
      Topalli, K.
      Ramzan, M.
      Alibakhshikenari, M.
      Khan, Talha Masood
      Altıntaş, Ayhan
      Colantonio, P.
      Date
      2019
      Source Title
      Microwave and Optical Technology Letters
      Print ISSN
      0895-2477
      Publisher
      Wiley Periodicals, Inc.
      Volume
      61
      Issue
      4
      Pages
      1110 - 1115
      Language
      English
      Type
      Article
      Item Usage Stats
      106
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      55
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      Abstract
      Frequency reconfigurable antenna is one of the important elements needed for cognitive radio application. Such antenna can be designed using highly resistive (HR) silicon (Si) operating as an optical switch. This letter presents a novel frequency reconfigurable planar monopole antenna suitable for cognitive radio application. The antenna is designed using HR Si working as an optical switch. The main idea behind the design of antenna is the redistribution of surface current on the antenna while changing the state of Si switches optically from high resistance to low resistance. The antenna is highly compact and uses only two switches for multiband reconfiguration. It is switchable on 1.9 GHz, 2.75 GHz, 3.7 GHz, 4.1 GHz, 4.6 GHz, 4.8 GHz, and 7.6 to 11 GHz frequency bands. Simulated and measured results are presented for the antenna. To the best of authors knowledge, this is the first multiband optically reconfigurable planar monopole antenna.
      Keywords
      Cognitive radio
      High‐resistive (HR) silicon
      Low‐resistive (LR) silicon
      Multiband
      Optical excitation
      Planar monopole antenna
      Reconfigurable
      Permalink
      http://hdl.handle.net/11693/53252
      Published Version (Please cite this version)
      https://doi.org/10.1002/mop.31678
      Collections
      • Communications and Spectrum Management Research Center (ISYAM) 22
      • Department of Electrical and Electronics Engineering 3597
      • Institute of Materials Science and Nanotechnology (UNAM) 1831
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