GSC Sentinel-2 PDGS SRD - emits - ESA

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ESA UNCLASSIFIED – For Official Use GSC Sentinel-2 PDGS SRD Issue 1 Revision 2 (draft) - 25.07.2010 GMES-GSEG-EOPG-RD-09-0028 page 46 of 204 The mission operation and unavailability plans generated by the FOS and the EDRS exploitation segment All PDGS internal configuration data for mission planning, acquisition, processing, archiving, quality control, data-access, etc. S2-PDGS-SYS-250 The PDGS shall be able to generate conflict-free mission plans covering the imageacquisition (for observation and calibration) and the downlink plans cascading from the systematic mission scenario and allowing for on-demand image-acquisition for both observation and calibration purposes. S2-PDGS-SYS-255 The PDGS shall ensure that all the mission plan activities respect the operational restrictions defined in the Spacecraft Safety Constraints File (SSCF). In addition, the PDGS shall ensure the traceability for all the mission plans wrt the version of the SSCF used for their generation. S2-PDGS-SYS-260 The PDGS shall be able to optimise the mission plan using load-balancing techniques amongst the Sentinel-2 constellation satellites. S2-PDGS-SYS-265 The PDGS shall be able to determine the feasibility of the high-level mission operation scenario wrt the MSI observation requirements according to the available ground-station network. S2-PDGS-SYS-270 The PDGS shall be able to plan ad-hoc data downlinks via the OCP and EDRS for testing purposes without interfering (e.g. data loss) with the core mission operations. S2-PDGS-SYS-275 The PDGS shall be able to verify the impact of OCP data transmission wrt simultaneous MSI imaging activities. S2-PDGS-SYS-280 The PDGS shall be able to constrain the X-Band downlink opportunities available for Sentinel-2 based on a pre-assignment resulting from a conflict analysis with other satellite missions (in particular Sentinel-1 and Sentinel-3). S2-PDGS-SYS-285 The PDGS shall be able to constrain the data-relay downlink opportunities available for Sentinel-2 via the OCP and EDRS based on a pre-assignment resulting from a conflict analysis with other satellite missions (in particular Sentinel-1). © ESA The copyright of this document is the property of ESA. It is supplied in confidence and shall not be reproduced, copied or communicated to any third party without written permission from ESA.
GSC Sentinel-2 PDGS SRD Issue 1 Revision 2 (draft) - 25.07.2010 GMES-GSEG-EOPG-RD-09-0028 page 47 of 204 S2-PDGS-SYS-290 The PDGS shall be able to constrain the opportunities of direct downlinks to the LGSs under direct visibility according to the satellite and ground-segment constraints. S2-PDGS-SYS-295 The PDGS shall be able to plan all the MSI nominal acquisitions and special acquisitions used for calibration. S2-PDGS-SYS-300 The PDGS shall be able to adapt the image-acquisition and downlink plans according to the planned unavailabilities of the space-segment, the FOS, the CGS, the LGS and the EDRS data-relay system. S2-PDGS-SYS-305 The PDGS shall be able to trigger data reception activities at CGSs and LGSs according to the downlink plan and the predicted satellite orbital data provided by the FOS. S2-PDGS-SYS-310 The PDGS shall be able to assess and report on the end-to-end PDGS operation performance and mission end-to-end performances covering the following activities: the overall assessment of the PDGS functioning and performance with respect to the plan; an assessment of the availability, reliability and quality of all PDGS services; an assessment of the product quality as cascading from processing algorithms, instrument and platform performances and calibration operations; a swift identification of the anomalies and bottlenecks in the system operations or design allowing to take preventive and corrective actions to solve the problems; a comprehensive assessment of the end-to-end mission performance including the PDGS, the FOS, the space segment and the EDRS system with-respect to the HLOP; a comprehensive monitoring of all product accesses from the mission users; a comprehensive recurrent reporting to the POM on the above including short-term to long-term trends viewpoints; a summary reporting to the users and to the CDS on the above. S2-PDGS-SYS-315 The PDGS shall ensure that all the generated Sentinel-2 products meet the product quality baseline defined in [OCD], are fully calibrated, validated and embed associated traceability information compliant with the CEOS/QA4EO guidelines. ESA UNCLASSIFIED – For Official Use © ESA The copyright of this document is the property of ESA. It is supplied in confidence and shall not be reproduced, copied or communicated to any third party without written permission from ESA.
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GSC Sentinel-2 PDGS SRD - emits - ESA

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