[1] Connectivity Business Area, VTT Technical Research Centre of Finland Ltd, Oulu, Finland
[2] Fairspectrum Ltd, Turku, Finland
[3] Telecom Systems, Airbus Defence and Space, Toulouse, France
[4] Future Project Division, Telecom Technologies, Products and Systems Department, Directorate of Telecommunications & Integrated Application, European Space Research and Technology Center (ESTEC), Noordwijk, Netherlands