Satellite Earth Stations and Systems (SES); Global Navigation Satellite System (GNSS) based location systems; Minimum performance and features (V1.1.1)
The present document addresses location systems combining telecommunication networks with Global Navigation Satellite System (GNSS) and other navigation technologies in order to deliver location based services. The analysis contained in the present document is intended to highlight the growing use of complex location systems in order to deal with the expansion of location based applications in a mass market. The objective is thus to demonstrate both relevancy and achievability of standardising a high-level architecture for these systems@ and the associated minimum performance. In order to achieve this objective@ the present document first provides a reminder of the types of applications which rely on location information provided by such systems in order to provide services. Secondly@ it describes these location systems@ in terms of key functions to be fulfilled (also called key features) and available enabling technologies at system components level (navigation sensors@ hybridization techniques). It also focuses on the definition of operation environments applicable to such systems (depending on the type of application). Finally@ preliminary location systems architecture@ interfaces and performances are defined. It is highlighted that the scope of this technical work specifically excludes standardisation of safety of life applications related to civil aviation@ which are already addressed through@ in particular@ Radio Technical Commission for Aeronautics (RTCA) standards.