Compact Dual Band MIMO Printed Monopole Antenna
Year: 2025
Type: article
Abstract: This paper presents the design of a compact MIMO (Multiple input Multiple output) antenna which resonates at dual band frequencies (2.4 GHz and 5.4 GHz). The U-shaped resonator is incorporated to reduce mutual coupling at 5.4 GHz (achieving - 32 dB isolation), while the rectangular slot structure effectively minimizes mutual coupling at 2.4 GHz (achieving -28 dB isolation). The return loss is below -15 dB at both frequency bands, ensuring excellent impedance matching. These design elements enhance antenna performance and improve isolation between MIMO elements. The simulated results demonstrate that the proposed U-shaped resonator and rectangular slot structure effectively reduce mutual coupling between array elements at the two operating frequency bands, making the MIMO antenna a promising solution for future 5G smartphones, IoT devices like smart home automation systems, industrial IoT (IIoT) sensors, healthcare monitoring devices, and wearable electronics, and Wi- Fi applications.
Authors: Poulami Ghosh, Shradha Takawane, Ishan Burchunde, Ganesh N. Gaikwad, Rajesh Singh
Language: English
Topic: Antenna Design and Analysis
Subfield: Aerospace Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W6949734096
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