Sensing Ionospheric Disturbances In Communication Systems Using UHF Electromagnetic Propagation Models
DOI:
https://doi.org/10.31838/NJAP/07.02.28Keywords:
Ionospheric Disturbances, UHF Propagation, Electromagnetic Modeling, Space Weather, Signal Degradation, Communication Systems, Ionospheric SensingAbstract
As in other ranges, UHF communication is affected by the ionosphere, but it is crucial in long-distance communication due to the reflection of electromagnetic waves within the ionosphere. However, solar flares, geomagnetic storms, and other irregular changes in the electron density of the ionosphere can significantly diminish the quality of the signal and disrupt communication systems. This research focuses on the use of UHF models of electromagnetic propagation to identify and study the disturbances in the ionosphere. The model considers data from both ground-based receivers and satellites, accounting for changes in signal delay, attenuation, and phase shift due to ionospheric perturbations. The approach taken is to combine the propagation models with the ionospheric parameters, thereby increasing the sensitivity, detection, and resolution of the area. Achievement of the desired objectives, including recognizing varying patterns of disturbances and predicting their effects on communication links, has been attained using the simulation results. This study aims to enhance the efficacy of space-weather early warning systems, as well as space-based emergency communication systems, aviation control systems, and military command systems. Mitigation of the negative results can be achieved through adaptive communication protocols informed by the research findings. The primary merit of this framework is that it enables the measurement of ionospheric conditions, thereby improving the effectiveness of communication using electromagnetic waves.
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