A Single High Gain and Narrow-Beam Folded Dipole Antenna for Millimeter-Wave Applications

Abstract

Millimeter wave applications are expanding, such as the 5th generation mobile communication system (5G), imaging technologies and RF sensors. Since wavelengths of millimeter waves are shorter than those of microwaves, it is necessary to increase radiation gains of antennas in order to secure the same communication distance as microwaves. For increasing antennas’ radiation gains, making beams narrow is effective. And the narrow beam width is necessary for high resolution imaging technologies.