Initial Report on System Aspects of Flexible Spectrum Use----winner+

Inthisdocument,wepresenttheWINNER+initialreportonsystemaspectsofflexiblespectrumuse.ThedocumentpresentspreferredspectrumuseinWINNER+andDigitalDividendconcepts.Inaddition,specificinnovativetechniquesrelatedtointra-operatorsharingandfemto-cells,gametheoreticalassessmentofspectrumpricing,sel