Space-Based ADS-B for Air Traffic Management

摘要

Automatic Dependent Surveillance Broadcast (ADSB) is a technology that enables Air Traffic Management (ATM) services by means of aircraft broadcasting signals including flight-related information on a regular basis. Terrestrial-based ADS-B infrastructure is already deployed as alternative or addon to radars. However, it is not feasible for remote, polar, and oceanic areas, accounting for about 90% of the world surface, where ATM procedures for non-radar airspace have to be followed. Space-based ADS-B is an innovative technology that bridges this gap by making use of satellites to provide global coverage. Thales Alenia Space Deutschland GmbH (TAS-D) is leading the "Space Based ADS-B In-Orbit Demonstration Payload Development for Air Traffic Surveillance" (SABIP) project under the framework of the European Space Agency (ESA) General Support Technology Program (GSTP). This project is mainly aimed at demonstrating the functionality of this technology under representative space environmental conditions, and verifying the link budget of this payload for the various ADS-B equipment onboard aircraft on different geo-locations under varying traffic scenarios. This paper analyses the mission requirements that drive payload and system layout and presents a payload design, which is being built for in-orbit demonstration. It highlights the operational aspects and challenges of this spacebased system and addresses the objectives of a preparatory demonstration mission. In addition, analysis, simulation tools and first results are presented underlining the technical feasibility of this new development.