This study has been partially supported by the Luxembourg National Research Fund (FNR) under the projects FlexSAT (C19/IS/13696663), DIS-BuS (BRIDGES19/IS/13778945/DISBuS) and by the European Space Agency (ESA) under the activity FlexPreDem: Demonstrator of Precoding Techniques for Flexible Broadband Systems. Please note that the views of the authors of this study do not necessarily reflect the views of ESA.
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