Experimental Analysis of a Time-Dependent FSO System under Summer Conditions in South Korea

In this study, the time-dependent performance of free-space optical (FSO) communication is investigated through a practical experiment. Employing an experimental setup spanning 400 m in an outdoor environment, we measure bit error rate (BER) utilizing BERT (bit error rate tester) automatically, while recording corresponding weather conditions. The experimental results demonstrate that BER performance shows better performance during period without sunlight, indicating a critical role of sunlight. Moreover, the impact of temperature and rainfall on FSO performance is observed. Our practical approach, conducted outdoors and using automated equipment, contribute to a deeper understanding of FSO communication under diverse weather conditions.