Compact high gain 28, 38 GHz antenna for 5G communication

Abstract

ABSTRACT In this research paper, a miniaturized vertically polarized dual band antenna with its 2x2 MIMO configuration is proposed for 5G communication. The single antenna consists of an off-centered fed, concave-shaped patch surrounded by two mirror-image C-shaped strips. It works as a millimeter wave radiator for 28/38 GHz bands which provide the transmission at ultra-high speed with a gain of 7.46 dBi and 8.56 dBi and an efficiency of 77% and 91% at both frequency bands respectively. The antenna offers a small-scale size of 10 x 10 x 0.254 mm3 and the close compatibility of simulated and measured results shows the practical feasibility of the fabricated prototype for 5G handheld devices. It can be used for device to device communication at 28 GHz and 38 GHz can be used for 5G cellular communications with higher speed, connectivity and low latency. Apart from that an electrical equivalent circuit of the antenna based on its physical structure is designed using AWR software and its results are included and compared with the CST results. The low specific absorption value of 1.05/0.288W/kg at 28/38GHz and the appropriate results of various parameters for MIMO design confirm its relevance for the 5G MIMO applications.