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Antenna with Circular Polarization Composed of Bent Crossed Dipoles in a Cylindrical Cavity

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2013
Authors
Radnovic, Ivana
Nešić, Aleksandar
Ilic, Marina
Nešić, Dušan
Conference object (Published version)
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Abstract
The paper presents cavity backed printed antenna with circular polarization (CBACP). The antenna radiating elements are two crossed double bent dipoles that are printed on the dielectric substrate and have complex conjugated impedances. In order to diminish environmental influences the antenna is placed in the metallic cylindrical cavity. By using double bent dipoles the overall antenna dimensions are significantly reduced. CBACP is simulated and realized for operation around 5.9 GHz. Simulated and measured results show good agreement. Furthermore, investigation of cavity parameters and their effect on antenna characteristics has been carried out in order to achieve (a) minimal axial ratio, (b) maximal gain and aperture efficiency and (c) broader axial ratio bandwidth (AR LT 3 dB).
Keywords:
Circular polarization / cavity-backed antennas / printed antennas / orthogonal dipoles
Source:
11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting, 2013, 2, 440-444
Projects:
  • Reconfigurable, multi-band and scanned antennas based on metamaterials for wireless communication systems and sensors (RS-32024)

DOI: 10.1109/TELSKS.2013.6704416

WoS: 000428940800082

Scopus: 2-s2.0-84893586923
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/1373
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IHTM

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