Wyniki wyszukiwania dla: SWITCHED POLARIZATION

• Implementation of spatial/polarization diversity for improved-performance circularly polarized multiple-input-multiple-output ultra-wideband antenna

  Publikacja

  • U. Ullah
  • I. Mabrouk
  • S. Kozieł
  • M. Al-hasan

  - IEEE Access - Rok 2020

  In this paper, spatial and polarization diversities are simultaneously implemented in an ultra-wideband (UWB) multiple-input-multiple-output (MIMO) antenna to reduce the correlation between the parallel-placed radiators. The keystone of the antenna is systematically modified coplanar ground planes that enable excitation of circular polarization (CP). To realize one sense of circular polarization as well as ultra-wideband operation,...

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• Dual polarization antennas for UHF RFID readers

  Publikacja

  • D. Duraj
  • K. Nyka
  • M. Rzymowski

  - Rok 2014

  This paper presents various concepts of switching polarization in patch antenna dedicated for UHF RFID readers. Proposed designs allow for switching between linear and circular polarization. The first design does not require electronic switching as the polarization can be changed by choosing one of two available feeding terminals. Two remaining designs use PIN diode or FET SPDT switch.

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