Probabilistic Link Budget Analysis for Low Earth Orbit Satellites in the Optical Regime
Dhruv Shivkant, Shreyaans Jain, Rohit K Ramakrishnan

TL;DR
This paper introduces a probabilistic mathematical model to analyze and optimize the link budget of LEO optical satellite systems, accounting for atmospheric effects and their variability.
Contribution
It develops a dynamic, probabilistic framework for calculating link budgets considering atmospheric effects, improving accuracy for LEO optical satellite communication.
Findings
Model accurately predicts link loss probabilities under varying atmospheric conditions.
Simulations demonstrate the model's effectiveness in real-world scenarios.
Provides a tool for optimizing satellite link performance.
Abstract
Low Earth Orbit (LEO) optical satellite communication systems face performance challenges due to atmospheric effects such as scintillation, turbulence, wavefront distortion, beam spread, and jitter. This paper presents a comprehensive mathematical model to characterize these effects and their impact on signal propagation. We develop a methodology for dynamically calculating link budgets at any location and time by integrating these models into a probabilistic framework. The approach accounts for spatial and temporal variations in atmospheric conditions, enabling accurate estimation of link loss probabilities. Simulations validate the model's accuracy and applicability to real-world LEO satellite systems. This work offers a robust tool for optimizing link performance and enhancing the reliability of satellite networks, providing valuable insights for system designers and operators.
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Taxonomy
TopicsSatellite Communication Systems · Optical Wireless Communication Technologies · Spacecraft Design and Technology
