Research Throughput of the Free-Spase Optical Communication Systems

The performance indicators of free-space optical telecommunications networks (FSO) based on optical spectral technologies such as wavelength division multiplexing and dense multiplexing systems were analyzed. The information, frequency, and energy efficiencies of the FSO communication system were investigated. To study FSO using efficient modulation methods, a structural and functional diagram of a modem using L-PPM modulation was developed. Based on this research, a new approach for calculating the throughput performance of an FSO communication system using efficient modulation methods is proposed. These calculation methods are used to derive important formulas for estimating the transfer characteristics and signal-to-noise-to-rate of an FSO communication system.