Effects of Saturation for High-Throughput Satellite Buses

Journal article (2019)

Authors

J. Carvajal Godínez Space Engineering
J. Guo Space Systems Egineering
E.K.A. Gill Space Engineering
Research Group
Space Systems Egineering
Copyright: © 2019 J. Carvajal Godínez, J. Guo, E.K.A. Gill
DOI: https://doi.org/10.1109/TAES.2019.2940341
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Published Date

2019

Language

English

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Research Group

Space Systems Egineering

Abstract

Bus saturation is deemed as one of the primary causes of delays in the data propagation between spacecraft components. However, the conditions under which bus congestion can affect measurements variability were not well characterized before. This paper presents a bus saturation model and a set of experiments to characterize the bus performance of satellite missions for different traffic load, data rate, and synchronization periods. The results showed an increase of measurements variance of up to 18% caused by bus saturation. Additionally, an algorithm was proposed to reduce the data delay by controlling the saturation on the communication channel at the operational level.

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