The revision to this Recommendation is giving an alternative for determining the spectrum utilization
efficiency (SUE) for various radiocommunication systems (mobile, point-to-point, etc.)
ITU-R SM.1046-2-2006 history
2017ITU-R SM.1046-2017 Definition of spectrum use and efficiency of a radio system
2006ITU-R SM.1046-2-2006 Definition of Spectrum Use and Efficiency of a Radio System Question ITU-R 47/1