A millimeter-wave near-field-focused (NFF) full 2-D frequency-scanning antenna array is
presented in this article. The proposed antenna is achieved by combining an NFF ridged …

This paper presents a novel design of a low-loss, reconfigurable broadband phase shifter
based on groove gap waveguide (GGW) technology. The proposed phase shifter consists of …

This paper presents a compact and low-loss V-band waveguide phase shifter based on
glide-symmetric pin configuration. This kind of higher symmetry permits the control and …

This paper proposes a new concept of designing compact high precision millimeter-wave
wideband variable phase shifters. The phase shifter is implemented with a stacked shim with …

In this brief, we present a low-loss mechanically reconfigurable phase shifter implemented in
gap-waveguide technology for mm-wave frequencies. The proposed design gives a …

In this letter, a novel wideband comparator for W-band circularly polarized (CP) monopulse
antenna is proposed and analyzed. The comparator mainly consists of four 3 dB waveguide …

Two types of low-loss mechanically reconfigurable phase shifters at E-band based on gap
waveguide (GW) technology, the GW slow wave and the GW width-variation, are proposed …

The accurate analysis and the characterization of guided-wave structures are important
steps in the design of microwave and optical systems. A numerical methodology based on a …

Differential phase shifters are common circuits in communication systems where a fixed
phase difference between two points within the circuit is required. Among the available …

A reconfigurable phase shifter in waveguide composed by glide-symmetric holey unit cells is
presented in this paper. The hole depths of this kind of holey unit cell are modified to allow a …