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1 results

  • FSS-based triplate antenna design concept for wireless devices

  • Ashwini Kotrashetti, B. K Lande, Ajay Poddar
  • Journal:
    International Journal of Microwave and Wireless Technologies / Volume 14 / Issue 4 / May 2022
    Published online by Cambridge University Press:
    30 April 2021, pp. 492-501

  • Conventional multiband antennas suffer from strong interactions among different operating frequencies, complex configurations, low bandwidth, and reduced efficiencies. A design concept for a multibeam multiband antenna in wireless devices is proposed in this paper. The design concept provides a promising approach to augment transmission and reception. The principle of design involves a primary radiating element embedded in a triplate conformation which excites a passive array of multiple frequency secondary radiators, forming a frequency selective structure in triplate (FSST). The higher order mode behavior of the parent antenna characterizes the design of FSST placed in its nearfield. The mathematical modeling and analysis of the design methodology is also presented. As proof of concept, the proposed design methodology is validated with simulations and experiments at four unlicensed communication bands and the results are compared.