Gradient index lens antennas find their application in modern wireless communication
including radar systems, satellite communication, etc. They can ensure highly directional …

Metamaterials (MTMs) are artificially engineered materials with unique electromagnetic
properties not occurring in natural materials. MTMs have gained considerable attention …

The presence of glide symmetries in periodic structures can introduce beneficial
modifications in their electromagnetic properties. The difference between glide and non …

Many frequency-selective surface (FSS) structures are based on the use of a single periodic
array of slot/apertures in a conducting sheet embedded in a layered medium. However, it is …

This article presents a dual-circularly polarized array antenna based on gap waveguide
technology operating at E-band. Double-grooved circular waveguide polarizers that utilize …

This article presents a novel application of the t-distributed Stochastic Neighbor Embedding
(t-SNE) clustering algorithm to the telecommunication field. t-SNE is a dimensionality …

This work presents a high-gain D-band slot array antenna with a corporate-fed distribution
network designed by the gap waveguide. The gap waveguide technology is employed for …

A dual-band fixed-frequency beam-scanning leaky-wave antenna (LWA) operating in C and
Ka bands is presented in this article, exhibiting a large-frequency-ratio property. A microstrip …

A wideband dual-polarized array based on gap waveguide technology using new feeding-
network topologies is proposed in this article for millimeter-wave (mm-Wave) applications …

A quad-polarization reconfigurable fixed-frequency beam-scanning leaky-wave antenna
(LWA) operating at millimeter-wave Ka-band is presented in this article. A low-loss groove …