Abstract
The metamaterial inspired novel CPW fed MIMO antenna design works based on the principle of non bianisotropic- split-ring resonator and amalgamation of hexagonal open ring resonator (Hex-ORR) thereby resulting in a miniaturized antenna with dimensions of \(47.4 \times 31.7 \times 1.6\) \(\textrm{mm}^3\). The two NB-SRR antennas are placed in opposite directions with an edge distance of 0.022\({\lambda _0}\). To eliminate the bianisotropic property of the split ring resonator which produces the effect of anisotropy and cross polarization. the NB-SRR is proposed in which the rings are aligned together from end to end of the metal strip, which helps in improvising the bandwidth to a higher frequency. This antenna holds decent for the Sub-6 GHz 5G application covering bandwidth of 983.5 MHz (3.7887–2.8052 GHz) and 551.6 MHz (6.3834–5.3818 GHz) with center frequency of 3 GHz and 6 GHz, respectively. The lower frequency band is produced using hex-ORR, and a higher frequency band is provided using NB-SRR. The size of the antenna is optimized by considering the Non Bianisotropic-SRR size minor than the resonant wavelength. The average isolation loss between the antenna elements is \(-25\) dB, the radiation gain is 5 dBi, and the efficiency is 97%. The proposed MIMO antenna parameters such as ECC, CCL, and TARC are also examined, and the results indicate that the proposed antenna design is a good candidate for Sub-6 GHz 5G applications.
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Yugender Mood and R. Pandeeswari contributed equally to this work.
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Mood, Y., Pandeeswari, R. A Novel SRR Metamaterial Inspired CPW-Fed Dual Band MIMO Antenna for Sub-6 GHz 5G Application. Wireless Pers Commun 130, 1277–1293 (2023). https://doi.org/10.1007/s11277-023-10331-5
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DOI: https://doi.org/10.1007/s11277-023-10331-5