Design of a Dual-Circularly-Polarized Stacked Patch Antenna for SOTM application at Ka-band

Salvatore Liberto, George Goussetis, Andrew Christie

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

3 Citations (Scopus)

Abstract

A dual-circularly-polarized stacked patch antenna subarray block for satellite on the move (SOTM) applications at Ka-band is presented. The proposed multilayer antenna is designed for the downlink band operating in the region of 18 to 20 GHz with compliant scan performance up to ± 40° in both E- and H- planes. The subarray includes a highly integrated miniaturised 90° hybrid such that the antenna can operate in switchable circular polarisation. It also includes an integrated power splitting network based on Wilkinson. The antenna element size is 8.0 mm x 8.0 mm x 2 mm and achieves an impedance bandwidth and circular polarization bandwidth (3-dB axial ratio) of 2 GHz (18 - 20) GHz.

Original languageEnglish
Title of host publication14th European Conference on Antennas and Propagation (EuCAP)
PublisherIEEE
ISBN (Electronic)9788831299008
DOIs
Publication statusPublished - 8 Jul 2020
Event14th European Conference on Antennas and Propagation 2020 - Copenhagen, Denmark
Duration: 15 Mar 202020 Mar 2020

Conference

Conference14th European Conference on Antennas and Propagation 2020
Abbreviated titleEuCAP 2020
Country/TerritoryDenmark
CityCopenhagen
Period15/03/2020/03/20

Keywords

  • Branch-Line Coupler
  • Dual-Circularly-polarized stacked patch
  • highly-integrated
  • phased array
  • Phased Arrays
  • SOTM
  • surface wave
  • WPD

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Signal Processing
  • Instrumentation
  • Radiation

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