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

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 simulato...

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Veröffentlicht in:Wireless personal communications 2023-07, Vol.131 (2), p.1381-1392
Hauptverfasser: Varma Penmatsa, Krishna Kanth, Narayanaswamy, Nagesh Kallollu
Format: Artikel
Sprache:eng
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Zusammenfassung: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.
ISSN:0929-6212
1572-834X
DOI:10.1007/s11277-023-10487-0