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The first objective of the project is to review the satellite trunking markets so as to identify the usages and their trends, to forecast the size of these markets and their specificities by 2025 and thus be able to define the technical requirements of a future system.
The second objective consists, after having made the relevant trade-offs, of designing satellite systems able to respond competitively to the requirements of these trunking services. The development and exploitation of these systems will have to use innovative techniques and technologies to offer competitive solutions.
The last objective is to establish, after an analysis of the existing gaps, the technological roadmaps enabling the European and Canadian industry to propose attractive and competitive solutions by a 2025 timeframe
The key challenges of the project are :
LEO/MEO constellations provide a true global coverage (incl. polar regions) with a low latency, low energy link budget and small satellites manufactured in series. Two products are identified: a 24-satellite MEO constellation and a 70-satellite LEO constellation.
The Business model is an “Mbps Model”: the satellite operator, owner of the constellation including the gateway stations and the distribution network (feeder segment), wholesales capacity (in GByte) to several specialized Service Providers.
Both constellations are profitable for delivered Gbyte wholesale prices of the same order of magnitude as that identified as affordable by service providers after 2025.
The MEO satellite payload provides 175 agile spot beams (36MHz, 25dBW/MHz, 9dB/K) totalizing a 6.3GHz throughput. Its main features are a Sunflower flat Active Antennas and a Digital Transparent Processor with embedded Digital Beam Forming for agile spot beam generation.
The LEO satellite payload provides 350 agile spot beams (36MHz, 16dBW/MHz, 4,4dB/K) totalizing a 12.6GHz throughput. Its main features are an Active antenna (DRA) with a Digital Beam Forming, a full regenerative OBP and two optical Inter-Satellite Links.
The solution to meet the needs of the two most promising market segments (aeronautical & maritime) by 2025 is :
The project proposes the design and optimization of two systems:
The project is organized in four tasks. Task 1 is the market review and definition of the requirements. Task 2 is the identification of relevant system architecture and technologies. Task 3 is a detailed system design and the recognition of the key technologies. Task 4 includes the gap analysis and the establishment of the recommended roadmaps.