Abstract
This paper presents a two-element multiband multi-input multi-output (MIMO) antenna system for 4G/5G and IoT applications. It consists of two T-shaped structures each with a bandwidth of 350MHz, and more than operating frequencies at 2.8GHz to 4.0GHz, respectively. The antenna is a new 1X2 phased array elliptical inverted T-shaped slotted sectored patch antenna with defected ground structure (DGS) that can resonate at projected ultra-wide tetra band frequencies of 2.8GHz to 4.0GHz with high gain and beam-steering capabilities. The top and bottom edges of mobile PCBs with high gain are equipped with 1X2 phased arrays. The antenna features four ultra-wide bands, with a maximum gain of 8.5dB, according to modeling results: 2.8GHz to 4.0GHz. The suggested millimeter wave antenna is especially well suited to cellular infrastructures and might be a contender for 5G mobile applications in the future. The main goal of this paper is to design a microstrip patch antenna for millimeter wave mobile communication using basic microstrip conductor technology and line calculation analysis using the HFSS. In this form, the antenna's input reflection coefficients, or S11 parameter, are −29.08dB decibels at a resonant frequency of 3.8GHz. In the simulation of the S11 parameter for the center frequency, the gain is high as 8.5 dB.
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