简介：Thispaperfocusesontheauthors'contributionstoITU-TtodevelopthenetworkmodelingforthesupportofIN/Internetinterworking.Followinganintroductiontobenchmarkinterworkingservices,thepaperdescribestheconsensusenhancedDFParchitecture,whichisreachedbasedonIETFreferencemodelandtheauthors'proposal.Thentheproposedinformationflowsforbenchmarkservicesarepresentedwithneworupdatedflowsidentified.Finallyabriefdescriptionisgiventoimplementationtechniques.

简介：Oneofthemainrequirementsofcognitiveradiosystemsistheabilitytodetectthepresenceoftheprimaryuserwithfastspeedandpreciseaccuracy.Toachievethat,apossibletwo-stagespectrumsensingschemeissuggestedinthispaper.Morespecifically,afastspectrumsensingalgorithmbasedontheenergydetectionisintroducedfocusingonthecoarsedetection.Acomplementaryfinespectrumsensingalgorithmadoptsone-ordercyclostationarypropertiesofprimaryuser'ssignalsintimedomain.Sincetheone-orderfeaturedetectionisperformedintimedomain,thereal-timeoperationandlow-computationalcomplexitycanbeachieved.Also,itdrasticallyreduceshardwareburdensandpowerconsumptionasopposedtotwo-orderfeaturedetection.Thesensingperformanceoftheproposedmethodisstudiedandtheanalyticalperformanceresultsaregiven.Theresultsindicatethatbetterperformancecanbeachievedinproposedtwo-stagesensingdetectioncomparedtotheconventionalenergydetector.