Workshop on "Cognitive Radios and Networks for Spectrum Coexistence of Satellite and Terrestrial Systems" (CogRaN-Sat)

Frequency sharing studies during the last decade have focused strongly on terrestrial domain. Currently frequency sharing studies have been extended from terrestrial domain to satellite bands as well. However, use of these techniques in satellite communications has still been relatively unexplored area. The purpose of the keynote is to discuss about the possibilities to use frequency sharing techniques in satellite communications in a wide scale, and to define several application scenarios and use cases in different frequency bands. In addition, some promising techniques are reviewed and future study items given.

The Digital Agenda for Europe (DAE) sets forth ambitious requirements for broadband communications, in which Satellite Communications (SatCom) play a major role. In this context, spectrum sharing techniques offer unprecedented opportunities to increase capacity and reduce costs in order to allow SatCom to meet the DAE objectives. Among other application scenarios, Cognitive Radio (CR) techniques exploitation in Ka-band are a promising approach for technical, regulatory and standardization reasons. In particular the coexistence between Fixed Satellite Service (FSS) and Broadcasting Satellite System (BSS)/Fixed Service (FS) links would introduce significant benefits in non-exclusive frequency bands. Aim of the keynote is to give an insight on the benefits of applying CR techniques to Ka-band hybrid terrestrial/satellite scenario by focusing the attention on the major achievements that have been reached in the FP7 CoRaSat project, and by tracing a way forward for both technical and application scenarios.