Ku-Mobile: Satellite Broadcast to Vehicles using available Infrastructure
- Paper number
IAC-07-B2.I.03
- Author
Dr. Harald Ernst, European Space Agency (ESA)/ESTEC, The Netherlands
- Coauthor
Mr. Rolv Midthassel, European Space Agency (ESA)/ESTEC, The Netherlands
- Coauthor
Mr. Sandro Scalise, German Aerospace Center (DLR), Germany
- Year
2007
- Abstract
With more than 10 million customers, mobile satellite radio has been a huge success in the US. This has inspired new interest also in Europe. However, the infrastructure costs for the two US systems, XM-Radio and Sirius-Satellite-Radio, have been in the range of 1 billion dollar each, to ensure good reception by using multiple high-power satellites and hundreds of terrestrial repeaters. In Europe, the challenge was to build a system with similar or better service quality, but using a single standard TV-satellite (e.g. ASTRA 1A) and without terrestrial repeaters. For achieving this goal a new concept is proposed, which is based on a change of paradigm concerning radio service and its distribution. The central aspect is the surrender of the principle of continuous connection between sender and receiver. Instead, a file-based approach is used and its effects on the system are studied. For this, file-oriented error correction schemes are used and their capabilities in the land-mobile satellite channel analyzed. The proposed scheme has been implemented and results for demonstrations rides in the vicinity of Munich and Copenhagen are shown. Allover the system proved a very good reception probabilities and the possibility to provide service even in city environments. Note: The paper could also fit to the "Advanced Systems" Session
- Abstract document