Herein a circularly-polarized (CP) quad-band compact microstrip antenna is proposed. Its
design involves one annular ring radiator having eight symmetrical slots along its boundary …

Introduction: The emergence of electromagnetic wave pollution as a new form of pollution in
human society is attributed to the advancements in communication technology and the …

In this article, an asymmetric coplanar waveguide (CPW)-fed dual-band ENG-TL antenna
with gain enhancement using complementary closed ring resonators (CCRRs) has been …

A dual-band microstrip patch antenna (MPA) based on a polarization conversion
metasurface structure was designed. By etching the complementary split ring resonator …

In this paper, an ultra-miniaturized triple-band antenna based on an epsilon negative
transmission line (ENG-TL) approach is presented. The proposed antenna has a …

Here presents a new miniaturized tri‐wideband antenna loaded with metamaterial meander
lines. The antenna consists of a rectangular radiation patch loaded with two compact …

For 5G applications, a compact inset coupled-fed high bandwidth triangle antenna is
demonstrated. A large bandwidth can be achieved by combining the inset and coupling …

Metamaterial absorbers (MMAs) becoming important devices for recent electronic systems.
The electromagnetic qualities of these MMAs will be more influenced for the microwave …