1. ONERA, The French Aerospace Lab, Theoretical and Applied Optics Department, Châtillon Cedex 92322, France
2. CNES, DCT/RF/ITP, 18, av. Edouard Belin, 31401 Toulouse Cedex 9, France
3. OCA-Géoazur, 2130, Route de l’Observatoire, Saint-Vallier-de-Thiey 06460, France
4. National Institute of Information and Communications Technology, Space Communication Systems Laboratory, 4-2-1 Nukui-Kitamachi, Koganei, Tokyo 184-8795 Japan