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The key objectives of the A3M project are:
Based on the upcoming market needs the development of innovative core technologies for high integrated transmit and receive modules, especially designed for active antenna applications, are key. In general, the target areas are data applications in the GEO and MEO space segment and LEO mega constellation purposes. Compared to traditional amplifier equipment the key challenges are the request for very compact RF modules with optimized efficiency to minimize the power dissipation within the active antenna. However, the different mission profiles, e.g. GEO vs. LEO mega constellation, provide different performance and cost requirements.
Over various workshops and co-engineering sessions with our major customers and from various request for proposals, Tesat sees the trend towards active antennas for GEO and MEO applications. With the TESAT core capabilities within passive and active equipment, we are able to provide mass and footprint optimized RF modules, for implementation into a highly integrated active antenna.
The advantage of a system with active antennas is the enormous flexibility to generate the needed beams for a dedicated business case. Especially for service providers, an active antenna provides the flexibility to change the complete frequency plan and associated spot beams.
The high level architecture of each amplifier section consists of:
The housing and RF transition itself consists of:
The active RF magazine itself consists of:
Mainbus & TM/TC interface
The project is divided into 5 main work packages:
The project 4 main milestones are:
MS1: Kick-off Meeting at the beginning of the project (T0 + 0 months)
MS2: Progress Meeting after finalisation of WP3000 (T0 + 4 months)
MS3: PDR after finalisation of WP2000 and WP3000 (T0 + 6 months)
MS4: Final presentation at the end of the project (T0 + 9 months)
Feasibility study ongoing.