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Split Ring Loaded Quad Port MIMO Antenna for LTE-46/LTE-U Bands of Sub-6 GHz

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Abstract

For 5G applications, a novel 4-port linearly polarized multiple inputs multiple outputs (MIMO) proximity coupled antenna is presented and discussed. The orthogonal arrangement of the antenna components enables us to achieve more than 30 dB isolation. FEM-based Ansys high frequency structure simulator (HFSS) electromagnetic solver is used for the modeling and simulation of this module. The suggested antenna works at a single frequency band, 5.35–5.60 GHz, thereby addressing the critical sub-6 GHz regions for 5G outdoor applications. The significant difference between co-polarization and cross-polarization levels justifies the radiation attributes of the antenna. The envelope correlation coefficient and diversity gain are calculated to justify its MIMO antenna performance. At resonating frequency, positive gain value and radiation efficiency of more than 80% are recorded. Fabricated antenna results are found in consonance with the simulated results.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, S.R.K.R. Engineering College, Bhimavaram, Andhra Pradesh, India

    Krishna Kanth Varma Penmatsa

  2. Department of Electronics and Communication Engineering, Nagarjuna College of Engineering and Technology, Bangalore, India

    Nagesh Kallollu Narayanaswamy

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  1. Krishna Kanth Varma Penmatsa
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  2. Nagesh Kallollu Narayanaswamy
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Contributions

Conceptualization and methodology [NKN]; writing—revised draft preparation: [KKVP]; Analysis and investigation: [KKVP]; writing—original draft preparation and supervision: [NKN].

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Correspondence to Nagesh Kallollu Narayanaswamy.

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Varma Penmatsa, K.K., Narayanaswamy, N.K. Split Ring Loaded Quad Port MIMO Antenna for LTE-46/LTE-U Bands of Sub-6 GHz. Wireless Pers Commun 131, 1381–1392 (2023). https://doi.org/10.1007/s11277-023-10487-0

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