RoF-based indoor distributed antenna system that can simultaneously support 5G mmWave and 6G terahertz services

Area of Science:

• Telecommunications Engineering
• Optical Communications
• Wireless Networks

Background:

• The telecommunication industry is advancing towards ultra-high frequencies (millimeter wave and sub-terahertz bands) for wireless communications.
• High-frequency electromagnetic waves present significant physical challenges for wireless systems.
• Fiber-optic networks are crucial for overcoming these challenges in mobile networks.

Purpose of the Study:

• To present a novel radio-over-fiber (RoF)-based distributed antenna system (DAS).
• To investigate the feasibility of supporting multiple next-generation wireless services simultaneously.
• To enhance the accessibility and performance of future mobile networks.

Main Methods:

• Development of a multi-service DAS architecture utilizing RoF technology.
• Experimental validation of the proposed system's performance.
• Integration of 5G mmWave and 6G sub-THz services within a single optical link.

Main Results:

• The RoF-based DAS effectively supports both 5G mmWave and 6G sub-THz services concurrently.
• The system demonstrates enhanced practicality and transmission performance.
• The cascade architecture allows for scalable indoor network deployment.

Conclusions:

• The proposed RoF-based multi-service DAS is a feasible solution for future wireless networks.
• This technology enables simultaneous support for diverse high-frequency services.
• The system offers a practical and scalable approach for next-generation mobile network infrastructure.