Design and Optimization of a Plant-Structured MIMO Antenna for Advanced Wireless Wi-Fi 6E Systems
| Authors | Francis Mulagani1, K. Vasu Babu2, Sudipta Das3 , Praveen Mallik1, Anusha Rani Medarametla1 |
| Affiliations |
1School of Electronics and Electrical Engineering, Lovely Professional University, Phagwara, Punjab, India 2Department of ECE, BVRIT Hyderabad College of Engineering for Women, Telangana, India 3Department of ECE, IMPS College of Engineering and Technology, West Bengal, India |
| Е-mail | vasubabuece@gmail.com |
| Issue | Volume 18, Year 2026, Number 3 |
| Dates | Received 10 March 2026; revised manuscript received 20 June 2026; published online 26 June 2026 |
| Citation | Francis Mulagani, K. Vasu Babu, et al., J. Nano- Electron. Phys. 18 No 3, 03027 (2026) |
| DOI | https://doi.org/10.21272/jnep.18(3).03027 |
| PACS Number(s) | 84.40.Ba |
| Keywords | Antenna (6) , Wi-Fi 6E and IoT systems, Return loss, Channel capacity loss, Mutual coupling, MIMO system. |
| Annotation |
This study introduces a compact plant-structured MIMO antenna developed for modern wireless applications, including Wi-Fi 6E and IoT Systems. The design structure is implemented on substrate of FR-4 with a small footprint as 45 mm 20 mm, which makes it well suited for miniaturized wireless devices. The antenna resonates at 6.98 GHz with IBW of 1.8 GHz (5.5-7.3 GHz) effectively covering the upper C-band band for Wi-Fi 6E and IoT Systems. The achieved simulated S11 result of − 19.33 dB verifies good matching of impedance characteristics. The mutual coupling within MIMO elements is limited to − 19.89 dB (S21) demonstrating efficient isolation performance. An inter-element spacing of 6.5 mm is preserved to further minimize electromagnetic interaction. Important MIMO performance indicators such as Total Active type Reflection Coefficient (TARC), Channel type Capacity Loss (CCL), Diversity related Gain (DG) and Envelope Correlation type Coefficient (ECC) are comprehensively analyzed. All evaluated MIMO parameters remain within the standard acceptable limits confirming dependable wireless system operation. The obtained results reveal excellent diversity behavior, minimal correlation and enhanced channel capacity. Therefore, designed plant-structured MIMO system serves as a strong for compact, efficient and reliable for Wi-Fi 6E and IoT Systems. |
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List of References |
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