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Coordinator: The Romanian Space Agency (ROSA)


  • S.C. Aerostar S.A.
  • S.C. Digital Bit S.R.L.
  • ASRC - Advanced Studies and Research Center
  • Polytechnic University of Bucharest 

Period: 36 months

Project director: Dr. Eng. TOMOIOAGA Tiberius Septimiu


The satellite navigation applications are increasingly widespread, coveringmore and more sectors of the economy, the estimates of the global market for products and services in this area reaching values ​​of hundreds of billion € in 2020.
The European satellite navigation system consists of GALILEO and EGNOS and will provide a global infrastructure for positioning in space and time.

At European level the research and development activities are permanently supported through the research framework programs within which were included various research topics in this area.

The main components to be developed within the project are: a GNSS test environment based on pseudolites (equipment for simulating the signals from navigation satellites), a navigation equipment prototype for complex environments based on GPS, accelerometers, magnetometers, gyroscopes and barometers for pedestrians and a program to assist navigation in complex environments based on three-dimensional digital models.

The technology will be one with dual use, highly beneficial for both the civil environment and for military and security environment.

Since the Global Positioning System (GPS) has become accessible to a larger user categories, the positioning in an absolute coordinates system (or the geolocation) has been found useful in a wide range of activities. For the areas where there is a direct sight to GPS satellites, this positioning technique provides an acceptable estimation (a few meters) of the user's position globally. However, inside buildings and in crowded urban environments, the geolocation has always been a challenge for several reasons. In general, the GPS signal is not strong enough to penetrate most materials. When an object directly obstruct the GPS satellites, the signal declines, limiting its usefulness in open spaces and making it unusable indoors. However, there is a growing demand for precise positioning in the crowded urban environments or covered areas, in addition to positioning in open spaces. Monitoring and tracking of a transport within a warehouse or inside a cargo ship is an example of very required commercial application. In military applications, this system can solve the "blue force tracking" problem, by knowing at any time where the allied forces are. These problems have no difficulties in open spaces, where systems can rely on GPS, but for indoors or in crowded urban environments there are not satisfactory solutions. The navigation in "GPS-denied" environments is also a requirement for military applications.

Project objectives:


  • The project will be done in four major steps:
  • Stage I: Studies and analysis over 4 months; deadline on 27.11.2007
  • Phase II: Design and modeling, lasting 11 months; deadline on 26.11.2008
  • Stage III: Development and implementation, lasting 12 months; deadline on 24.11.2009
  • Stage IV: Validation and testing, lasting nine months; deadline on 29.11.2010

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