Authors - Miroslav Cech, Rastislav Roka Abstract - Private 5G networks require a reliable, high-capacity, and secure transport infrastructure, especially in industrial and critical applications. Free Space Optics is a promising solution enabling multi-gigabit transmissions with low latency and increased physical security. The article analyses the possibili ties of integrating FSO technology into Standalone Non-Public Network and Public Network Integrated Non-Public Network architectures and evaluates the role of FSO links as a transport or interconnection layer and their impact on la tency, reliability, and security for 5G services such as eMBB, URLLC, and mMTC. The article then summarizes current research trends, including the use of artificial intelligence and machine learning to optimize FSO-based transmission.
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