volume | PIER Journals

Abstract

In this paper, a novel compact 4-port Vivaldi Multiple Input Multiple Output (MIMO) antenna is proposed for 5G wireless devices. The presented antenna has dimensions 40x40x1.6 mm³. The suggested antenna is fabricated on RT/Duroid dielectric material with dielectric constant of 2.2. The orthogonal arrangement of antenna elements and embedding slits between them result in enhanced isolation. The gain observed for the proposed antenna is 2.405 dB. The diversity performance of MIMO structure in terms of Envelop Correlation Coefficient (ECC < 0.02), Total Active Reflection Coefficient (TARC < -10 dB), Diversity Gain (DG > 9.998), Channel capacity Loss (CCL < 0.4) and Mean Effective Gain (MEG < 1 dB) is studied and analyzed. The simulated and measured results are in good agreement.

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Ms. Golla Ramyasree

Mr. Nelaturi Suman