Progress In Electromagnetics Research C
ISSN: 1937-8718
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By N. Ojaroudi Parchin, Y. I. A. Al-Yasir, H. J. Basherlou, and R. A. Abd-Alhameed

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This study proposes a low-profile dual-band MIMO patch antenna array with improved isolation for 4G-LTE and 5G wireless communications. The proposed antenna design contains two closely-spaced coaxial-fed patch antennas with U-shaped slots to generate dual-band operation at 2.6/3.6 GHz 4G/5G bands. The mutual coupling between MIMO elements can be reduced simultaneously at both operation bands by employing a pair of C-shaped parasitic structures with different sizes between the radiating patches. The results show that the isolation between the antenna ports has been enhanced by about 13 dB and 10 dB at the operation frequencies with the presence of the proposed parasitic structures. The simulation and measurements of the proposed antenna design have been provided to verify the performance of the design.

N. Ojaroudi Parchin, Y. I. A. Al-Yasir, H. J. Basherlou, and R. A. Abd-Alhameed, "A Closely Spaced Dual-Band MIMO Patch Antenna with Reduced Mutual Coupling for 4G/5G Applications," Progress In Electromagnetics Research C, Vol. 101, 71-80, 2020.

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