Software-defined testbed for next generation navigation transponders
Stefano Speretta (TU Delft - Aerospace Engineering)
Chris Verhoeven (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Dominic Dirkx (TU Delft - Aerospace Engineering)
Visweswaran Karunanithi (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Mark Bentum (Eindhoven University of Technology)
Odysseas Votsis (Eindhoven University of Technology)
Antonio Miraglia (HKV Lijn in Water - Delft)
Jeroen Rotteveel (HKV Lijn in Water - Delft)
Marco Alvarez (HKV Lijn in Water - Delft)
Hong Yang Oei (HKV Lijn in Water - Delft)
Alberto Busso (European Space Agency (ESA))
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Abstract
This paper presents a software-defined testbed to perform hardware-in-The-loop test of miniaturized coherent transponders. Such a setup has been designed to minimize the access threshold for future users, heavily relying on available open source applications and commercial hardware, targeting future coherent transponders for interplanetary CubeSats. The paper presents the overall architecture of the testbed, a tradeoff to select the most suited development framework and the detailed design of the different blocks. Upcoming interplanetary CubeSat missions that would require a coherent transponder are also presented to highlight the need sof such a system. Software qualification, given the use of third-party software with multiple developers, was also addressed to guarantee performances can be consistent and reliable.