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Proceedings Paper

Transmitter diversity verification on ARTEMIS geostationary satellite
Author(s): Ramon Mata Calvo; Peter Becker; Dirk Giggenbach; Florian Moll; Malte Schwarzer; Martin Hinz; Zoran Sodnik
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Paper Abstract

Optical feeder links will become the extension of the terrestrial fiber communications towards space, increasing data throughput in satellite communications by overcoming the spectrum limitations of classical RF-links. The geostationary telecommunication satellite Alphasat and the satellites forming the EDRS-system will become the next generation for high-speed data-relay services. The ESA satellite ARTEMIS, precursor for geostationary orbit (GEO) optical terminals, is still a privileged experiment platform to characterize the turbulent channel and investigate the challenges of free-space optical communication to GEO. In this framework, two measurement campaigns were conducted with the scope of verifying the benefits of transmitter diversity in the uplink. To evaluate this mitigation technique, intensity measurements were carried out at both ends of the link. The scintillation parameter is calculated and compared to theory and, additionally, the Fried Parameter is estimated by using a focus camera to monitor the turbulence strength.

Paper Details

Date Published: 6 March 2014
PDF: 14 pages
Proc. SPIE 8971, Free-Space Laser Communication and Atmospheric Propagation XXVI, 897104 (6 March 2014); doi: 10.1117/12.2036554
Show Author Affiliations
Ramon Mata Calvo, Deutsches Zentrum für Luft- und Raumfahrt e.V. (Germany)
Peter Becker, Deutsches Zentrum für Luft- und Raumfahrt e.V. (Germany)
Dirk Giggenbach, Deutsches Zentrum für Luft- und Raumfahrt e.V. (Germany)
Florian Moll, Deutsches Zentrum für Luft- und Raumfahrt e.V. (Germany)
Malte Schwarzer, Cassidian Optronics GmbH (Germany)
Martin Hinz, Cassidian Optronics GmbH (Germany)
Zoran Sodnik, European Space Agency (Netherlands)

Published in SPIE Proceedings Vol. 8971:
Free-Space Laser Communication and Atmospheric Propagation XXVI
Hamid Hemmati; Don M. Boroson, Editor(s)

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