5G NR sub-THz fiber-wireless integrated systems using polarization multiplexing-multiband technique and...

Area of Science:

• Telecommunications Engineering
• Optical Communications
• Wireless Communications

Background:

• Fifth generation (5G) new radio (NR) systems require enhanced capacity and spectral efficiency.
• Fiber-wireless integrated systems offer a promising solution for high-speed, long-haul communication.
• Polarization multiplexing and diversity schemes are crucial for improving system performance.

Purpose of the Study:

• To implement and demonstrate 5G NR fiber-wireless integrated systems.
• To evaluate the effectiveness of the polarization multiplexing-multiband technique and self-polarization diversity scheme.
• To assess the transmission performance of 5G NR sub-terahertz (THz) signals in integrated systems.

Main Methods:

• Implementation of fiber-wireless integrated systems utilizing polarization multiplexing-multiband technique.
• Application of a self-polarization diversity scheme for efficient polarization demultiplexing.
• Transmission of four 5G NR sub-THz signals with 32-quadrature amplitude modulation-orthogonal frequency-division multiplexing over a 20 km single-mode fiber, 1.6 km optical wireless, and 4/8/12 m 5G NR wireless link.

Main Results:

• Successful implementation of 5G NR fiber-wireless integrated systems.
• Demonstrated enhancement in transmission capacity and spectral efficiency using the polarization multiplexing-multiband technique.
• Achieved high aggregate data rates with low bit error rates and error vector magnitudes for transmitted sub-THz signals.
• Validated the robustness of the system to support cutting-edge 5G NR applications.

Conclusions:

• The developed fiber-wireless integrated system effectively transmits 5G NR sub-THz signals.
• The polarization multiplexing-multiband technique and self-polarization diversity scheme are crucial for high-performance wired-wireless communications.
• The system lays the foundation for meeting the evolving demands of future communication systems, enabling high-speed and long-haul connectivity.