Statistical models for describing signal propagation in FSO systems in agriculture
2023
Gvozdić, Branko | Todorović, Jelena | Jakšić, Branimir | Živić, Jovana | Maksimović, Vladimir
FSO (Free Space Optics) is a communication technology that enables wireless gigabit data transmission in both directions (full-duplex). FSO communication refers to Line-of-Sight technology that transmits modulated visible or infrared rays through the atmosphere to establish optical communications. Application of FSO systems in IoT devices, remote sensing and production optimization in agriculture is emerging. Channel description using appropriate model for design of a high-performance communication link for an atmospheric FSO channel is of great importance. There are several models for the joint distribution of amplitudes, although none is universally accepted due to importance of atmospheric conditions. This paper provides an overview of the most popular statistical models for describing signal propagation in FSO systems: Gamma Gamma, Log-Normal, Negative Exponential, K-distribution, I-K distribution, Rice, Inverse-Gaussian, Double Weibull, Exponential Weibull, Double generalized Gamma distribution. Basic characteristics and mathematical models as a function of signal intensity are given. Also, for general models, reducing one model to another is given.
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出版者 University of Belgrade, Faculty of Agriculture, Belgrade, Serbia