![]() ![]() In order to address all the communication needs, the architecture of the final system shall comprise of different segments to provide mobile and fixed communications, all types of IP based services, large terminals mounted on vehicles or maritime platforms and handheld terminals, etc. Even among these new features, several alternatives will be envisaged, from a satellite fully dedicated to Public Safety communications to complementary hosted payloads. Terrestrial networks are not in SAGA's scope, but the necessary interoperability and compatibility between the two types of communication means have a direct impact on the satellite segment definition.įurthermore hybrid systems, composed of a satellite segment and a terrestrial one, may be envisaged at system level as one possible option.Īmong the promising solutions identified, we will consider a large panel of possible solutions and associated architecture, from optimised usage of existing system to the definition of new features. Mobile communication includes all types of platforms: maritime platforms, aircraft (including UAVs), terrestrial vehicles and pedestrians. The communication capability comprises fixed communications (FSS), mobile communications (MSS) and Data Relay functionality (DRS), with some restrictions, as this capability is already covered by the EDRS programme. In terms of mission cycle, a focus will be done on the Response phase, including early warning and restoration phases. Missions are considered inside and outside Europe. The missions considered to assess the user's requirements comprise of a complete set of the typical Public Safety missions: Natural or man-made Disaster, Emergency events, Border Control operations and Peace Keeping operations. SAGA's scope is represented in the following figure, including the interoperability with terrestrial segment. To synthesize the technical and programmatic outcomes and to present a roadmap.To present a critical view on the concept of operations, governance and services provisioning schemes that can be envisaged for the future,.To identify the key stakeholders and their willingness to play a role in a potential future programme,.Based on these criteria, a down-selection should be performed, To identify the most promising solutions to fulfil the potential gap identified and to derive a list of trade-off criteria to evaluate the added-value, advantages and drawback of each solution.To present a synthetic and clear assessment of the users' communication requirements, validated by the end-users themselves,.In order to fully address the necessity and feasibility of a future satellite communication programme for Public Safety and Security, SAGA will focus on a large set of issues from technical to programmatic, political and business challenges. And finally, the actions necessary to be undertaken to ensure its feasibility will be identified in a roadmap. The feasibility and key challenges associated to each solution will be deeply analysed from both a technical and non-technical point of view. The objective is to synthesize the end-users' requirements in order to provide a clear view of the most promising solutions to answer to these needs. SAGA capitalizes on previous studies in the frame of Public Safety satellite communication capability to assess the potential interest of a future programme, in line with the 6th Space Council and the ESDP expectations. ![]()
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