Design and Development of Four Element Multiband MIMO Microstrip Antenna for LTE/5G Applications
| Authors | Varakumari Samudrala1, G. Smily Manasa1, R.V.V. Krishna2 C. Naga Phanindra1, D. Charan1, B. Bhanu Prakash1, K. Manjusha1, Banda Sai Sandeep3 |
| Affiliations |
1Department of Electronics and Communication Engineering, NRI Institute of Technology, Agiripalli, AP, India 2Department of Electronics and Communication Engineering, Aditya University, Surampalem, 533437 AP, India 3Department of Electronics and Communication Engineering, Koneru Lakshmaiah Education Foundation, Vaddeswarm,522302 AP, India |
| Е-mail | varakumari3@gmail.com |
| Issue | Volume 17, Year 2025, Number 2 |
| Dates | Received 12 February 2025; revised manuscript received 25 April 2025; published online 28 April 2025 |
| Citation | Varakumari Samudrala, G. Smily Manasa, et al., J. Nano- Electron. Phys. 17 No 2, 02024 (2025) |
| DOI | https://doi.org/10.21272/jnep.17(2).02024 |
| PACS Number(s) | 84.40.Ba |
| Keywords | LTE bands, Multiband LTE bands, Multiband, MIMO (18) . |
| Annotation |
A multiband Multiple Input Multiple Output (MIMO) antenna with four elements has been designed for LTE and 5G applications. The antenna consists of four planar elements with inset feeding, ensuring compactness and efficiency. It is constructed on an FR-4 substrate with a dielectric constant of 4.4, a thickness of 1.6 mm, and overall dimensions of 150 150 1.6 mm³. The design supports multiple frequency bands, operating at 2.4 GHz, 3.7 GHz, and 4.5 GHz, with |S11| ≤ – 10 dB. These bands correspond to LTE band 40 (2300-2400 MHz), LTE band 43 (3600-3800 MHz), and the 5G mid-band (4500-4900 MHz), ensuring broad coverage for modern wireless communication systems. The antenna exhibits excellent pattern diversity, providing robust signal reception and transmission with minimal interference. It achieves low Envelope Correlation Coefficient (ECC), ensuring efficient MIMO performance with minimal signal degradation. Additionally, the design maintains good gain, directivity, and over 33 dB isolation between ports, reducing cross-channel interference and improving overall system performance. The results confirm the antenna’s high efficiency and suitability for LTE/5G applications. Moreover, the structure is simple to fabricate, making it a practical choice for modern wireless communication systems that demand high performance, compactness, and cost-effective manufacturing. |
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List of References |
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