ITU-R - International Telecommunication Union/ITU Radiocommunication Sector
Scope
"Introduction Under the framework of World Radiocommunication Conference 2012 Agenda item 1.19@ ""to consider regulatory measures and their relevance@ in order to enable the introduction of software-defined radio and cognitive radio systems@ based on the results of ITU-R studies@ in accordance with Resolution 956 (WRC-07)""@ ITU-R Working Party 1B has developed definitions of Software Defined Radio (SDR) and Cognitive Radio System (CRS) to assist in the conduct of studies and related preparations for the second session of the Conference Preparatory Meeting for WRC-12 (CPM11-2). To this effect this Report contains two sections to make clear the distinctions between SDR and CRS technologies. Sections One and Two of this Report establish@ respectively@ clear definitions of Software Defined Radio (SDR) and Cognitive Radio System (CRS) to provide common understanding and facilitate their use in an unambiguous way in ongoing work by the ITU-R."