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ITU-T M.1822 (02 2007) (英) Framework for services supported by IMT

ITU-T M.1822 (02 2007) (英) Framework for services supported by IMT

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时间：2019-10-18

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1、Rec.ITU-RM.18221RECOMMENDATIONITU-RM.1822FrameworkforservicessupportedbyIMT(2007)TABLEOFCONTENTSPage1Introduction....................................................................................................................22Scope.................................

2、.............................................................................................23RelatedITUdocuments..................................................................................................34Listofdefinitions,acronymsandabbreviations.............

3、................................................34.1Definitions..........................................................................................................34.2Acronymsandabbreviations........................................................................

4、......35Considerations................................................................................................................46Recommendation............................................................................................................52Rec.ITU-R

5、M.18221IntroductionInternationalMobileTelecommunications-Advanced(IMT-Advanced)systemsaremobilesystemsthatincludethenewcapabilitiesofIMTthatgobeyondthoseofIMT-2000.Suchsystemsprovideaccesstoawiderangeoftelecommunicationservicesincludingadvancedmobileservices,supportedb

6、ymobileandfixednetworks,whichareincreasinglypacket-based.IMT-Advancedsystemssupportlowtohighmobilityapplicationsandawiderangeofdataratesinaccordancewithuserandservicedemandsinmultipleuserenvironments.IMT-Advancedalsohascapabilitiesforhigh-qualitymultimediaapplicationsw

7、ithinawiderangeofservicesandplatformsprovidingasignificantimprovementinperformanceandqualityofservice.ThekeyfeaturesofIMT-Advancedare:–ahighdegreeofcommonalityoffunctionalityworldwidewhileretainingtheflexibilitytosupportawiderangeofservicesandapplicationsinacostefficie

8、ntmanner;–compatibilityofserviceswithinIMTandwithfixednetworks;–capabilityofinterworkingwithotherradioaccesssystems;–

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