Advanced fade countermeasures for DVB-S2 systems in railway scenarios

Authors:
Stefano Cioni;Cristina Párraga Niebla;Gonzalo Seco Granados;Sandro Scalise;Alessandro Vanelli-Coralli;María Angeles Vázquez Castro
Affiliations:
ARCES, University of Bologna, Bologna, Italy;German Aerospace Center, Institute of Communications and Navigation, Wessling, Germany;Department of Telecommunications and Systems Engineering, Universitat Autònoma de Barcelona, Bellatera, Barcelona, Spain;German Aerospace Center, Institute of Communications and Navigation, Wessling, Germany;ARCES, University of Bologna, Bologna, Italy;Department of Telecommunications and Systems Engineering, Universitat Autònoma de Barcelona, Bellatera, Barcelona, Spain
Venue:
EURASIP Journal on Wireless Communications and Networking
Year:
2007

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Abstract

This paper deals with the analysis of advanced fade countermeasures for supporting DVB-S2 reception by mobile terminals mounted on high-speed trains. Recent market studies indicate this as a potential profitable market for satellite communications, provided that integration with wireless terrestrial networks can be implemented to bridge the satellite connectivity inside railway tunnels and large train stations. In turn, the satellite can typically offer the coverage of around 80% of the railway path with existing space infrastructure. This piece of work, representing the first step of a wider study, is focusing on the modifications which may be required in the DVB-S2 standard (to be employed in the forward link) in order to achieve reliable reception in a challenging environment such as the railway one. Modifications have been devised trying to minimize the impact on the existing air interface, standardized for fixed terminals.