With the fast development of next-generation wireless communication and radar sensing,
the millimeter-wave frequency band is becoming more and more important due to its rich …

A series-fed single-layer dual-circularly polarized slot array antenna fed by a stepped ridge
gap waveguide (RGW) is proposed at the 77-GHz band. The antenna generates dual …

A D-band waveguide diplexer, implemented by silicon micromachining using releasable
filling structure (RFS) technique to obtain high-precision geometries, is presented here 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 article, resonators based on air-filled rectangular cavity consisting of one perfect
magnetic conductor (PMC) wall and the rest of walls as the perfect electric conductor (PEC) …

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 …

This article analyzes thoroughly the dispersion and filtering features of periodic holey
waveguides in the millimeter-wave frequency range. Two structures are mainly studied …

This article discusses three integration and packaging techniques for gap waveguides and
monolithic microwave integrated circuits (MMICs) suitable for multilayer waveguide …

A dual-polarized wideband low-sidelobe slot array antenna for wireless communication
systems in the V-band is proposed in this work. The Taylor distribution is applied with each …

This article presents a theoretical and experimental comparative study of the different
multipactor threshold values obtained in the rectangular waveguide (RW) and the groove …