A Novel Design for Four-port Metamaterial SRR-loaded MIMO Antenna for 5G and Wireless Communication Applications
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https://doi.org/10.13052/2024.ACES.J.391204关键词:
5G, meta material structure, MIMO design, unit cell, wireless applications摘要
In this paper, a new high-polarization metamaterial structure design for a multiple-input, multiple-output (MIMO) antenna with robust isolation is introduced. The antenna design satisfies the requirements of C-band and S-band wireless communication networks up to sub-6 GHz 5G applications. The novel design of the antenna gets three frequency bands—5.8 GHz, 3.4 GHz, and 2.57 GHz—to be taken into consideration. After the integration of metamaterial components and without use of any further decoupling techniques, high isolation of more than 20 dB is achieved. By suppressing the propagation of surface waves, low-band resonators can reduce the mutual coupling between two higher bands. Ultimately, the initial coupling is canceled out using a split-ring resonator (SRR) to minimize coupling in the low band. The stated MIMO antenna has a maximum return loss of -13, -18, and -21 dB and a mutual coupling of -13, -18, and -21 dB. It covers the 2.5, 3.4, and 5.8 GHz bands, which are used for WLAN, LTE, and 5G. Within acceptable bounds, the envelope correlation coefficient is less than 0.01 and the total active reflection coefficient is less than -10 dB. The performance of MIMO antennas is observed practically and reported.
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