Ever since humans began building, they’ve been building up. Throughout the millennia, our constructions have reached higher and higher into the sky, spurred by various motivations: religion, democracy ...

Abstract: A low-profile single-layer half-mode substrate integrated waveguide (HMSIW) filtering antenna with compact circuit size is presented in this brief. The antenna features simple structure and ...

Abstract: This article presents a general design method for the aperture-coupled linearly polarized (LP) and circularly polarized (CP) reconfigurable antennas. A novel double-ring-slot structure is ...