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The objectives of this activity are:
(Airbus is credited for the picture)
The project aims at providing a tool capable of analysing realistic scenarios in terms of interference against GSO satellites and other NGSO systems. The challenge is to implement a tool (including the capability of using different mitigation techniques) that can be reused to completely design a constellation of up 5000 satellites and check the interference level over up to 1000000 points on Earth in a reasonable time.
The modular approach of the tool is a crucial requirement. In fact, even if the tool is used, in the project, to analyse a limited number of well-defined scenarios, its modularity allows to be reused and applied for future studies. In principle the user will have the basics that allow him to design his system, in terms of orbit altitude, number of satellites, orbital planes, phasing of the satellites, beam type, number of beams, operational strategy (mitigation techniques), and perform the relevant analysis. Moreover, the check for the interference can be conducted over up to 1000000 points on Earth in a reasonable time.
The tool aims at helping research and development activities related to NGSO satellite systems design . The capabilities of the tool that support the benefit, and that also set challenges, are:
The tool is composed of:
Although the tool is implemented to analyse specific scenarios that are defined at the beginning of the project, the modular approach of the software will make it reusable for different scenarios. Every step in the process has a different module:
The phases of the project are the following:
The milestones of the project are such that every step is reviewed carefully:
Currently the study is in the first phase. Scenarios are being analysed and detailed, in terms of geometry of the constellations, orbital parameters, antenna patterns and mitigation techniques to be used. At the same time, the preliminary scenarios characteristics are being translated in terms of design, to meet the challenging requirements.