搜索
目录1423ThedevelopmentofmobilecommunicationtechnologyWhatis5G?Whydoweneed5G?Researchstatusandchallengesof5G.1ThedevelopmentofmobilecommunicationtechnologySimulationofmobilecommunicationsystemDigitalmobilecommunicationsystemmultimediamobilecommunicationssystemBroadbandaccessanddistributionnetworksystem19801G2G3G4G199020062011Thedevelopmentofmobilecommunicationtechnology2Whatis5G?AnEnglishabbrevi-ation01AnEnglishabbreviationconvergednetwork02UNEAgreenenergynetwork03Agreenenergynetwork5GistheEnglishabbreviationof“Thefifthgenerationmobilecommunicationtechnology”Comparedwith2G,3Gand4G,5Gisnotindependentandbrand-new.Itisacombinationandfurtherdevelopmentofpresentmobilecommunicationtechnology.Besidesthespeedupgrade,5Gwillalsomeettherequirementsoflargebandwidth,superhighcapacity,superdensesite,superhighreliabilityandwheneverandwhereverpossibleaccess.Somedetailsabout5G3Whydoweneed5G?Thenecessityof5GWhydoesthevisionof5Gemerge？Mobilecommunicationhasprofoundlychangedpeople'slife,butpeople'spursuitforhigherperformanceofmobilecommunicationhasneverstopped.Inordertocopewiththefutureofmobiledatatrafficexplosivegrowth,theconnectionofmassivedevice,thecontinuousemergenceofvariousnewservicesandapplicationsscene,thefifthgenerationmobilecommunication(5G)systemwillemergeastimesrequire.5Gwillmakeinformationbreakthroughthelimitationoftimeandspace,providingexcellentinteractiveexperienceandimme-rsiveinformationfeastfortheuser.Throughtheseamlessfusionway,5Gwillclosethedistanceofallthings,realizetheintelligentinterconnectionbetweenmanandallthingsonearth.5Gwillprovidetheaccessrateoffiberlike,theusingexperienceof“zerodelay”,theabilitytoconnectbillionsofdevices,superhighfluxdensity,superhighconnectionnumberdensity,superhighmobilityandothermultiscenefavorableserviceandintelligentoptimizationofbusinessanduserperception.Atthesametime,5Gwillbringthenetworkoverahundredtimestheenergyefficiencyandultrahundredtimesthebitcostreduction.Finally5Gwillrealizethegeneralhopeof“Gettheinformationwheneveryouwantandallthingsonearthareatyourfingertips”.4Researchstatusandchallengesof5G.•Tomeetthedemandof5G,breakthroughinairinterfacetechnologyisnecessary.Butinnovationinnetworkarchitectureisalsosignificantandnecessarysoastorealizethevisionof5G.CentralizedordistributednetworkarchitectureThedividinglineofaccessnetworkandthecorenetworkTorealizenetworkconstructionorfunctionconfigurationTheinfluenceofNFVandSDNIMT-2020(5G)architectureisevolutionorrevolutionPart1Fiveopeningproblemondesigning5GnetworkarchitecturePart02Integrationof5GandWi-FiAngeneralintroductionofIntegrationof5GandWi-FiTheintegrationnetworkof5GandWi-Ficanwellsolvetheproblemofrapidgrowingwirelesstrafficanduserexperiencepursuitin5G.Integrationofmulti-radioaccesstechnology,multipleneedsandmultipleinternetwerestudiedtobecometheinevitabletrendforIMT2020(5G).Inthenetworkingof5GandWi-Fi,integrationofnetworkapplicationsceneandfusionnetworkingtechnologywereintroducedtobetheinevitabledemand,no-senseauthentication,networksecurity,greencommunicationwereproposedtobecomethekeytechnicalindications.IntegrationofnetworkingtechnologyrouteIntegrateWi-Fiintomobilecommunicationnetworkasawirelesstechnologyunderthecircumstanceofintegrationofavarietyofcellularnetwork.Torealizethemultipleaccessmodeofcorenetworkwithothercellulartechnologykeytechnicalindicationsno-senseauthentication,networksecurity,greencommunicationwereproposedtobecomethekeytechnicalindications.Somechallenges•Toworkwellinamultiserviceenvironmentwithseamlesshandovertechnology•Interferencesuppressiontechnology•Automaticadaptationtechnology•Securityproblems.Seamlessdockingofsecureprotocolwhenintegrating5GandWi-Fi.Part03Securityvisionof5GThesecuritykeytechnologiesLargedatasecurityin5G1Securityproblemsbroughtbycloudization,virtualizationandSoftwareDefinedNetwork,SDN2Thesecurityofmobileintelligentterminal3ResearchersTHANKYOUVERYMUCH2019ppt资料23欢迎批评指导！！放映结束！感谢聆听！THANKYOUFORWATCHING!