2023. Performance Analysis of a DPSK-based High-Speed Spectral-Efficient FSO System under Different Weather Conditions: DPSK-BASED HIGH-SPEED SPECTRAL-EFFICIENT FSO SYSTEM . Journal of Scientific & Industrial Research (JSIR). 82, 06 (Jun. 2023), 629–641. DOI:https://doi.org/10.56042/jsir.v82i06.1796.