ORIGINAL RESEARCH article
Front. Phys.
Sec. Optics and Photonics
Volume 13 - 2025 | doi: 10.3389/fphy.2025.1568555
Integrating MIMO and RoF Technologies Offering Low-Latency for High-Capacity 5G Networks
Provisionally accepted
- 1Nanjing University of Information Science and Technology, Nanjing, Jiangsu Province, China
- 2Qurtuba University of Science and Information Technology, Dera Ismail Khan, Pakistan
- 3Jouf University, Sakakah, Al Jawf, Saudi Arabia
- 4Nanjing University of Aeronautics and Astronautics, Nanjing, Liaoning Province, China
- 5Taif University, Ta'if, Saudi Arabia
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The demand for emerging IoT applications continues to grow, putting unprecedented pressure on the current 5G communication systems. These systems lack the advanced multiple input multiple output (MIMO) transmission capabilities and struggle to deliver the high data rates, extensive bandwidth, and low latency required by users; there is a need for innovative solutions that can enhance the existing 5G communication infrastructure. The integration of wavelength division multiplexing (WDM) based MIMO and radio over fiber (RoF) technologies offers a promising approach to overcoming these challenges. This paper proposes a WDM-based MIMO system combined with a RoF model for enhancing the performance of 5G communication system. Further, we have utilized the offset quadrature amplitude modulation (OQAM) multicarrier signals for robust MIMO transmission within this integrated framework. Quantitative analysis has been conducted by taking 119 and 132 Gbps data signals across 3 × 3 MIMO model by incorporating antennas with varying polarization characteristics. Detailed results have demonstrated the proposed system's scalability and its substantial capacity for data handling, confirming the enhanced performance benefits achieved through the WDM-MIMO-RoF integration and suggesting avenues for future research and development in next-generation communication systems.
Keywords: MIMO based QAM multicarrier transmissions, WDM based MIMO, 5G communication system, WDM based MIMO-RoF link, RoF (radio over fiber)
Received: 30 Jan 2025; Accepted: 14 Apr 2025.
Copyright: © 2025 Ullah, Ali, Armghan, Afsar and Alshamrani. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Farman Ali, Qurtuba University of Science and Information Technology, Dera Ismail Khan, Pakistan
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