This letter presents an 8× 8 dual-band shared-aperture array antenna operating in K-(19.5-
21.5 GHz) and Ka-band (29-31 GHz) using gap waveguide technology. Radiating elements …

In this letter, a filtering divider-fed magnetoelectric (ME) dipole antenna array using
embedded gap waveguide (GW) is investigated. The antenna array is fed by a fifth-order all …

This article proposes a novel all-metal mechanical phase shifter in gap waveguide
technology. The phase shifter is aimed at providing beam-scanning capabilities to …

A millimeter-wave high-gain dual-polarized antenna array with an enhanced bandwidth is
presented. An innovative air-filled differential feeding cavity loaded with a short-ended cross …

An ultrawideband circularly polarized (CP) planar array antenna built by new radiation
elements, the bold-C spiral elements, in millimeter-wave band is presented in this article …

An ultrawideband (UWB) full-metal planar array antenna based on a combination of ridge
gap waveguide (RGW) and E-plane groove gap waveguide (E-GGW) is presented for …

This letter presents a 4× 4 single-layer dual-band array antenna operating in the K-and Ka-
band using gap waveguide (GW) technology. Radiating elements consist of I-shaped slots …

In this paper a novel multi-layer slot array antenna based on printed ridge gap waveguide
(PRGW) technology with dual circular polarization (CP) at Ka band is proposed. This …

In this article, a differentially fed dual-polarized dielectric resonator antenna (DRA) subarray
excited by a substrate integrated waveguide (SIW) cavity is proposed. A#-shaped slot …

The millimeter-wave (mmWave) and sub-terahertz (sub-THz) bands have received much
attention in recent years for wireless communication and high-resolution imaging radar …