International Journal For Multidisciplinary Research

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A Compact Dual-Band 28/38 GHz Two-port MIMO Antenna for 5G mm-wave Applications

Author(s) T. Vasantha Likitha, G. Kalyani, A. Elisamma
Country India
Abstract This paper introduces a novel dual-band multiple-input multiple-output (MIMO) antenna is designed for applications of 28/38 GHz 5G mm-wave wireless communication. The proposed antenna is made on Rogers RT5880 material and has dimensions of 7 mm x 15 mm x 0.8 mm. The MIMO antenna employs rectangular slots positioned identically within the patch, along with the y-shaped slots in the ground, to achieve resonant frequencies at 28GHz and 38 GHz. To improve the isolation between each MIMO element, a rectangular slot is strategically positioned in between them. The designed dual-element MIMO antenna functions effectively at resonant frequencies of 28 GHz and 38 GHz and the isolation between its components is > 25 dB. The proposed antenna achieves return loss of -22dB at 28GHz and -24dB at 38 GHz, peak gains of 4.9 dBi at 28 GHz and 2.7 dBi at 38 GHz and the radiation efficiency of >75% within the operational frequency bands. The designed antenna results an envelope correlation coefficient (ECC) below 0.005 and diversity gain (DG) of almost 10 dB. The designing and simulation of the MIMO antenna are carried out through CST Software.
Keywords 5G mm-wave, multiple input multiple output, isolation, wireless networks, DG and ECC
Field Engineering
Published In Volume 6, Issue 2, March-April 2024
Published On 2024-04-18
Cite This A Compact Dual-Band 28/38 GHz Two-port MIMO Antenna for 5G mm-wave Applications - T. Vasantha Likitha, G. Kalyani, A. Elisamma - IJFMR Volume 6, Issue 2, March-April 2024. DOI 10.36948/ijfmr.2024.v06i02.17691
DOI https://doi.org/10.36948/ijfmr.2024.v06i02.17691
Short DOI https://doi.org/gtrfkn
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