Efficient Data Uploads to Satellite Formations by Rateless Codes and Adaptive Tracking

The uplinks from ground stations to CubeSats typically support only low data rates. Additionally, the noise level in orbit is relatively high in the frequency bands used. Therefore, the upload of high amounts of data, e.g. software updates, can take a long time. Especially in case of satellite forma...

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Bibliographic Details
Published in2021 IEEE Space Hardware and Radio Conference (SHaRC) pp. 1 - 4
Main Authors Freimann, Andreas, Petermann, Timon, Dobler, Holger, Scheuermann, Bjorn, Schilling, Klaus
Format Conference Proceeding
LanguageEnglish
Published IEEE 17.01.2021
Subjects
Adaptation models
rateless coding
Satellite broadcasting
satellite formations
Software
Software algorithms
Space vehicles
UHF
Uplink
Wireless communication
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Summary:The uplinks from ground stations to CubeSats typically support only low data rates. Additionally, the noise level in orbit is relatively high in the frequency bands used. Therefore, the upload of high amounts of data, e.g. software updates, can take a long time. Especially in case of satellite formations where updates need to be delivered to multiple satellites. We propose to make use of wireless broadcasts, rateless codes, and adaptive tracking algorithms to implement efficient data uploads to satellite formations. In this paper, we present appropriate algorithms and evaluate their performance for the CloudCT satellite formation scenario by discrete-event simulations based on detailed models of the system and in-orbit measurements.
DOI:10.1109/SHaRC51853.2021.9375848