5G的详细介绍与前景展望(英文版).ppt

,目录,1,4,2,3,Thedevelopmentofmobilecommunicationtechnology,Whatis5G?,Whydoweneed5G?,Researchstatusandchallengesof5G.,5,Fi,G,Wi,1,Thedevelopmentofmobilecommunicationtechnology,Simulationofmobilecommunicationsystem,Digitalmobilecommunicationsystem,multimediamobilecommunicationssystem,Broadbandaccessanddistributionnetworksystem,Thedevelopmentofmobilecommunicationtechnology,2,Whatis5G?,01AnEnglishabbreviation,02UNE,03Agreenenergynetwork,5GistheEnglishabbreviationof“Thefifthgenerationmobilecommunicationtechnology”,Comparedwith2G,3Gand4G,5Gisnotindependentandbrand-new.Itisacombinationandfurtherdevelopmentofpresentmobilecommunicationtechnology.,Besidesthespeedupgrade,5Gwillalsomeettherequirementsoflargebandwidth,superhighcapacity,superdensesite,superhighreliabilityandwheneverandwhereverpossibleaccess.,Somedetailsabout5G,3,Whydoweneed5G?,Thenecessityof5G,Whydoesthevisionof5Gemerge？,Mobilecommunicationhasprofoundlychangedpeopleslife,butpeoplespursuitforhigherperformanceofmobilecommunicationhasneverstopped.Inordertocopewiththefutureofmobiledatatrafficexplosivegrowth,theconnectionofmassivedevice,thecontinuousemergenceofvariousnewservicesandapplicationsscene,thefifthgenerationmobilecommunication(5G)systemwillemergeastimesrequire.,5Gwillpenetrateintoallareasofthesocietyinthefuture,constructsanall-wavecustomer-focusinformationecologysystem.,5Gwillmakeinformationbreakthroughthelimitationoftimeandspace,providingexcellentinteractiveexperienceandimme-rsiveinformationfeastfortheuser.Throughtheseamlessfusionway,5Gwillclosethedistanceofallthings,realizetheintelligentinterconnectionbetweenmanandallthingsonearth.,5Gwillprovidetheaccessrateoffiberlike,theusingexperienceof“zerodelay”,theabilitytoconnectbillionsofdevices,superhighfluxdensity,superhighconnectionnumberdensity,superhighmobilityandothermultiscenefavorableserviceandintelligentoptimizationofbusinessanduserperception.,Atthesametime,5Gwillbringthenetworkoverahundredtimestheenergyefficiencyandultrahundredtimesthebitcostreduction.Finally5Gwillrealizethegeneralhopeof“Gettheinformationwheneveryouwantandallthingsonearthareatyourfingertips”.,4,Researchstatusandchallengesof5G.,Tomeetthedemandof5G,breakthroughinairinterfacetechnologyisnecessary.Butinnovationinnetworkarchitectureisalsosignificantandnecessarysoastorealizethevisionof5G.,01,Centralizedordistributednetworkarchitecture,02,Thedividinglineofaccessnetworkandthecorenetwork,03,Torealizenetworkconstructionorfunctionconfiguration,04,TheinfluenceofNFVandSDN,05,IMT-2020(5G)architectureisevolutionorrevolution,Part1Fiveopeningproblemondesigning5Gnetworkarchitecture,Theintegrationnetworkof5GandWi-Ficanwellsolvetheproblemofrapidgrowingwirelesstrafficanduserexperiencepursuitin5G.Integrationofmulti-radioaccesstechnology,multipleneedsandmultipleinternetwerestudiedtobecometheinevitabletrendforIMT2020(5G).,Inthenetworkingof5GandWi-Fi,integrationofnetworkapplicationsceneandfusionnetworkingtechnologywereintroducedtobetheinevitabledemand,no-senseauthentication,networksecurity,greencommunicationwereproposedtobecomethekeytechnicalindications.,IntegrateWi-Fiintomobilecommunicationnetworkasawirelesstechnologyunderthecircumstanceofintegrationofavarietyofcellularnetwork.Torealizethemultipleaccessmodeofcorenetworkwithothercellulartechnology,no-senseauthentication,networksecurity,greencommunicationwereproposedtobecomethekeytechnicalindications.,Somechallenges,ToworkwellinamultiserviceenvironmentwithseamlesshandovertechnologyInterferencesuppressiontechnologyAutomaticadaptationtechnologySecurityproblems.Seamlessd