A High Gain and Wideband Dual Port-Based Metamaterial MIMO Antenna for 5G Applications
摘要
This paper introduces a dual-band MIMO antenna designed for 5G applications, utilizing metamaterial technology to enhance key performance metrics, particularly gain. The main aim is to develop a highly efficient antenna that addresses the challenges of conventional MIMO designs in the millimeter-wave frequency range. The antenna features a compact dual-patch design with six-unit cell metamaterial split ring resonators, excited by microstrip feeding lines on a Roger RT/duroid 5880 substrate (48 × 18.6 × 0.79 mm3). It operates efficiently in the 22.6–25.3 GHz and 26.3–29.1 GHz frequency bands, achieving gains of 9.36 dBi at 23.5 GHz and 10.15 dBi at 29 GHz, with isolation exceeding −20 dB with a minimal inter- antenna distance of 4 mm. Besides, the Envelope Correlation Coefficient (ECC) and Diversity Gain (DG) are simulated to further demonstrate the MIMO antenna suitability for 5G requirements. Simulations with HFSS and CST confirm the antenna's effectiveness, highlighting its potential to enhance data transmission rates and reliability in 5G networks.