A Low-Sidelobe Circularly Polarized Continuous Beam-Scanning Array Using Double-Layer Rotated Structure for Ku-Band Satellite Communications

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

1 Scopus Citations
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Author(s)

  • Bo Hu
  • Peng Chen
  • Ke Zhang
  • Jun Xu
  • Xutao Yu

Detail(s)

Original languageEnglish
Pages (from-to)605-609
Journal / PublicationIEEE Antennas and Wireless Propagation Letters
Volume21
Issue number3
Online published31 Dec 2021
Publication statusPublished - Mar 2022

Abstract

In this letter, a low sidelobe level (SLL) circularly polarized (CP) beam-scanning array antenna based on double-layer rotated structure is proposed for Ku-band satellite communications. It is comprised by a 16 x 24 CP substrate integrated waveguide (SIW) slot antenna array and a rotatable feeding network. Detailed design methodology and working mechanism of the proposed antenna array are presented and analyzed, in particular, the method of achieving low SLL in Blass matrix design. A prototype was fabricated and measured, and the measured results indicate that an AR < 1.5 dB and a max SLL suppression of 19.4 dB at 11.95 GHz can be achieved. Its superiorities of low profile, low SLL, high gain, and continuous beam-scanning ability make the proposed array antenna a promising candidate for satellite communications.

Research Area(s)

  • Antenna arrays, Array antenna, circularly polarized (CP), Couplings, low sidelobe level (SLL), Phase shifters, Phased arrays, Satellite antennas, satellite communications, Slot antennas, substrate integrated waveguide (SIW), Transmission line matrix methods

Citation Format(s)

A Low-Sidelobe Circularly Polarized Continuous Beam-Scanning Array Using Double-Layer Rotated Structure for Ku-Band Satellite Communications. / Hu, Bo; Chen, Peng; Zhang, Ke; Xu, Jun; Yu, Xutao.

In: IEEE Antennas and Wireless Propagation Letters, Vol. 21, No. 3, 03.2022, p. 605-609.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review