全球6G与D2D候选频段进展分析及中国频谱研究展望白皮书

ABSTRACTThiswhitepaperprovidesananalysisofglobal progressandstrategictrendsinidentifyingcandidatespectrumbandsfor6GandDirect-to-Device(D2D)satelliteconnectivityandproposesourviewsonstudyof6GandD2DspectrumforChina FutureForumSpectrumWG FutureForumWhitePaperonAnalysisofGlobalProgresson6GandD2DCandidateFrequencyBands,andPerspectivesonStudyofChina’sSpectrum Contents ExecutiveSummary.........................................................................................................41China5G-Adevelopment..............................................................................................52GlobalMobileDevelopmentTrends..............................................................................63SpectrumisthekeytomakesuremobilenetworktosupportAIapplications..............74BackgroundofFutureForumSpectrumWhitePaper...................................................75Globalstatusofstudyoncandidatebandsof6G.........................................................75.1Europe....................................................................................................................75.1.1RSPG..............................................................................................................75.1.2CEPT/ECClevelofwork:...............................................................................105.2U.S.......................................................................................................................125.2.1LegislativeandRegulatoryContext...............................................................125.2.2SpectrumSupplyPipelineObjectives............................................................135.2.3UpperCBand(3.98–4.2GHz):PrimaryNear- TermIMTCandidate.............135.2.4EmergingFederalMid- BandCandidatesBeyondCBand............................145.2.5InstitutionalRolesandResourcing................................................................145.2.6ImplicationsforIMTand6GPlanning............................................................145.3Japan...................................................................................................................155.3.1MICBeyond5GPropositionStrategy2.0......................................................155.3.2MIC/RadioRegulatoryCouncilFrequencyReorganizationActionPlan(FY2025Version)....................................................................................................165.4India.....................................................................................................................175.4.1TheBharat6GVisionStatement...................................................................175.4.2IndiaSpectrumRoadmapfor6Gservices.....................................................185.5GCC.....................................................................................................................195.6Africa....................................................................................................................195.73GPPStatus.........................................................................................................206GlobalstatusofstudyoncandidatebandsforD2D................................................216.1Europe..................................................................................................................216.1.1ECCReport373...........................................................................................21 6.1.2RSPGOpinionoftheEU-levelpolicyapproachtosatelliteDirect-to-DeviceconnectivityandrelatedSingleMarketissues.......................................................226.1.3ECMandatetostudyfeasibilityofanddevelopofleastrestrictiveharmonizedtechnicalconditionsfortheuseofEU-harmonizedfrequencybandsforterrestrialwirelesssystemsprovidingelectroniccommunicationservicebysatellitesystemprovidingdirecttodeviceIMTconnectivity............................................................236.1.4CEPTWorkonD2D-IMT...............................................................................246.1.5WRC-27AI1.13.............................................................................................256.1.6D2DMarketDevelopmentLandscape...........................................................256.1.7EvolutionofSpectrumUsageTrends............................................................266.1.8CurrentStatusofRegulatoryFrameworkDevelopmentfromadministrations266.1.9Developmenttrendsandchallenges.............................................................276.2U.S.......................................................................................................................286.2.1FCCSupplementalCoveragefromSpace(SCS)Framework.......................286.2.2AuthorizedFrequenciesandTechnicalParameters.......................................296.3Japan...................................................................................................................296.3.1Japan’s-D2Dcommerciallaunch......................................................