End-to-end data collection, handling and processing for JUICE RPWI LP: from hardware to L1a science data products

We present the implementation of different science mode settings and overall data flow of JUICE/RPWI instrument with focus on LP subunit. We begin with describing the reconfigurable hardware architecture and the usage of sequencers in science data acquisition. Introduction of sequencers, along with three FPGA-s, improve the subunit coordination and maximize the scientific value of collected data, especially during planned time-critical phases like icy moon flybys. 16 default sequencers and 16 default configurations per subunit can be set as active at given time, but more can be stored and loaded on-board. After the data acquisition, data processing and telemetry packing procedures are performed first by on-board software (FSW) and then unpacking with possible further processing is performed by ground segment (GS) software. Several algorithms handle LP on-board data processing, compression, organization, telemetry (TM) packing, which is sent from Data Processing Unit (DPU) using SpaceWire interface and then transferred to the ground for further processing in the GS. For certain use-cases, triggering and downlinking procedures are used. The JUICE/RPWI GS software is designed to unpack and convert custom-made instrument telemetry into Planetary Data System 4 (PDS4) compliant Common Data Format (CDF) files. The current state (TM-to-L1a) of the GS pipeline and further processing steps are described in the end.