Novel topology of Fabry-Perot electronically steerable leaky-wave antenna

Raúl Guzmán-Quirós*, José Luis Gómez-Tornero, María García-Vigueras, Andrew R. Weily, Y. Jay Guo

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

3 Citations (Scopus)

Abstract

A novel topology of electronically-steerable one-dimensional Fabry-Perot leaky-wave antenna (LWA) is proposed. The structure is based on a host parallel-plate waveguide (PPW) which encloses a Fabry-Perot cavity created by two printed-circuits boards (PCB): a top planar partially reflective surface (PRS) and a bottom tunable high impedance surface (HIS) loaded with varactors. The control of the scattering properties of the bottom tunable HIS by the variation of the varactors' capacitance enables control of the Fabry-Perot cavity resonance and thus the scanning of the antenna pointing angle from broadside towards the endfire direction at a fixed frequency. Full-wave simulations obtained with commercial finite element method solver (HFSS) demonstrate as a proof of concept a continuous scanning range of the pointing angle from 5° to 50° at a design frequency of 5.6 GHz.

Original languageEnglish
Title of host publicationProceedings of the 6th European Conference on Antennas and Propagation (EuCAP)
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages224-228
Number of pages5
ISBN (Print)9781457709180
DOIs
Publication statusPublished - 2012
Externally publishedYes
Event6th European Conference on Antennas and Propagation, EuCAP 2012 - Prague, Czech Republic
Duration: 26 Mar 201230 Mar 2012

Other

Other6th European Conference on Antennas and Propagation, EuCAP 2012
CountryCzech Republic
CityPrague
Period26/03/1230/03/12

Keywords

  • frequency selective surfaces
  • high impedances surfaces
  • Leaky-wave antennas (LWA)
  • reconfigurable antennas

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