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2024-09-24
A Compact Four Port MIMO Antenna for n261 Millimeter Wave Band Applications
By
Progress In Electromagnetics Research M, Vol. 129, 33-41, 2024
Abstract
This article introduces a compact design for a four-element MIMO antenna for millimeter-wave (mmWave) communications for specifically n261 band having range from 27.5 GHz to 28.35 GHz with a bandwidth of 850 MHz. The single antenna structure uses a rectangular patch having four diamond-shaped slots in the feed-plane. On the ground plane, a dumbbell-shaped slot is positioned below the rectangular patch. A Rogers RT/Duroid 5880 substrate with ultra-thin thickness is used in this design. The optimized design for four-port MIMO antenna has small size with dimensions of 20 mm × 19 mm × 0.254 mm. The MIMO parameters such ECC is less than 0.011, and DG is greater than 9.90 dB in the mentioned band, which are within tolerance limits. The isolation between neighbouring MIMO elements is also less than -19.5 dB.
Citation
Reena Aggarwal, Ajay Roy, and Rajeev Kumar, "A Compact Four Port MIMO Antenna for n261 Millimeter Wave Band Applications," Progress In Electromagnetics Research M, Vol. 129, 33-41, 2024.
doi:10.2528/PIERM24080201
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