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18.4.2014 : 20:10

CEPT/ECC WG Spectrum Engineering (SE), project team SE43

The ECC WGSE (Spectrum Engineering) has set up a special project dealing with cognitive radio matters. The SE43 was set up in May 2009 and finished its work in January 2011 by completing the ECC Report “Technical and Operational Requirements for the Possible Operation of Cognitive Radio Systems in the ‘White Spaces’ of the Frequency Band 470-790 MHz”. The WG SE adopted the ECC Report 159 on white space devices for publication, in January 2011. This report can be downloaded from the undefinedCEPT/ECC website.

The main focus of the report is, as the title suggest, on coexistence with incumbent or primary systems. It contains definitions of “White Space”, cognitive radio and introduces the term “White Space Device” – WSD. The latter being the term used for the cognitive radio unit. The definition of “White Space” is taken from CEPT Report 24 “Technical considerations regarding harmonisation options for the Digital Dividend “ The report defines different scenarios for CR operation in terms of WSD types (personal/portable, home/office and public access points) and also discusses the three well known types of cognitive techniques: spectrum sensing, geo-location and beacons.

The report is focussed on protection of four possible incumbent systems: broadcast systems (BS), Program making and special events (PMSE), radio astronomy (RAS) and aeronautical radio navigation systems (ARNS). Comprehensive data on possible sensing and separation distances are given, and ends in operational and technical characteristics for white spaces devices to operate in the band. An estimate of available white space is also included.

Technical relevance to QoSMOS

The requirements of the draft report from SE43 are of high importance for QoSMOS. It is expected that the report will be basis for a future recommendation for cognitive radio operation in Europe, a recommendation which most regulators most probably will endorse. It also forms the basis of the current process to issue a mandate for the development of a standard for CRS. 

Status and outlook for QoSMOS

The work in SE43 was completed by the end of 2010. The public consultation did give an opportunity to QoSMOS to comment on the draft. QoSMOS did take the requirements into account when designing parts of the QoSMOS system.