Looking back on the development of metamaterials in the past 20 years, metamaterials have
gradually developed from three-dimensional complex electromagnetic structures to a two …

In this paper, a Mercedes-Benz logo antenna with a metal plate located at an optimized
distance from the proposed antenna is introduced as a wearable antenna to operate in the …

In this paper, linearly polarized (LP) and circularly polarized (CP) filtering dielectric
resonator antennas (DRAs) are presented. They have conducting loops inside them …

Filtering antennas or filtennas realize both antennas and filter functions in a single structure
with the sole purpose of reducing losses and size in the design of a radio system. This article …

Wireless communication has witnessed rapid developments in the last few decades. To
further improve the performance of wireless radio-frequency (RF) systems, emphasis has …

Filtering modules are essential devices of modern microwave systems given their capability
to improve the signal-to-noise ratio of the received signal or to eliminate the unwanted …

In this paper, a novel technique to design a broadband circularly polarized dielectric
resonator antenna (DRA) with a lattice structure is proposed for the first time. Two resonant …

This work presents a fully analytical method for obtaining equivalent circuit models (ECMs)
that predict the magnitude and phase of scattering parameters for reflectarray (RA) and/or …

A wideband circularly polarized (CP) pyramidal horn antenna (PHA) is proposed. A+ 45° or-
45° rotated spoof surface plasmon polariton (SSPP) waveguide, which serves as a circular …

An electrically small, high-directivity, Yagi-configured, near-field resonant parasitic (NFRP)
antenna with four reconfigurable polarization states is presented. The antenna is composed …