无线通信5G介绍英文论文-A-Brief-Introduction-About-5G-Network

-1-ABriefIntroductionAbout5GNetworkJiaAbstractWiththerapiddevelopmentofwirelesstechnologies,theconceptoftheFifthGeneration(5G)wirelesscommunicationsystemstartedtoemerge.Butmostpeopleknowlittleabout5G，includingsomeaspectsof5Gwirelesscommunicationnetworks,justlikewhat5Gisabout:whatarethebuildingblocksofcore5Gsystemconcept,whatarethemainchallengesandhowtotacklethem.Besides,Anumberofcountriesandorganizationsworkingon5G,5GdevelopmentsituationinChinaisofconcerntoeveryone,Chinaalsoneedstohaveitsownplaceinsuchacompetitiveenvironment.Keywords:5GNetwork,history,Coreconcept,Challenges,Solutions,Inchina-2-TableofContent1.Introduction.................................................................................................................-3-2.Researchanddevelopmenthistory.............................................................................-3-3.CoreConcept..............................................................................................................-4-4.ChallengesandSolutions............................................................................................-5-4.15GTransportChallenge........................................................................................-6-4.25GTransportChallengeandsomeSolutions........................................................-7-4.3MachinetoMachineCommunication...................................................................-7-4.3CoreNetworkVirtualisation.................................................................................-8-4.4Summary...............................................................................................................-8-5.5GInChina.................................................................................................................-9-5.5.1Whitepaper........................................................................................................-9-5.5.25Gstandards......................................................................................................-9-5.5.3Chinacommunicationscompanies....................................................................-9-5.5.4Summary..........................................................................................................-10-6.Conlusion..................................................................................................................-10-7.Acronyms..................................................................................................................-11-8.References.................................................................................................................-11--3-1.Introduction5G(Fifth-generationmobilecommunications)isanewgenerationofmobilecommunicationmobilecommunicationsystemsfor2020,withhighspectralefficiencyandlowpowerconsumption,intermsoftransferrateandresourceutilizationimprovementover4Gsystem10times,itswirelesscoverageperformanceanduserexperiencewillbesignificantlyimproved.5Gwillbecloselyintegratedwithotherwirelessmobilecommunicationtechnology,constituteanewgenerationofubiquitousmobileinformationnetwork,tomeetfuturemobileInternettraffic1000xdevelopmentneedsin10years.[1]InthispaperIwillshowyousomelatestresearchanddevelopmenthistory,whatarethebuildingblocksofcore5Gsystemconcept,whatarethemainchallengesandhowtotacklethemfirstly.IntherestofpaperIwillshowhow5GdevelopmentinChinainrecentyearsandmyconclusionafterresearchliterature.2.ResearchanddevelopmenthistoryFebruary2013,theEUannouncedthatitwouldgrant50millioneurostoacceleratethedevelopmentof5Gmobiletechnology,planstolaunchamaturestandardin2020.[2][3]May13,2013,SouthKorea'sSamsungElectronicsCo.,Ltd.announcedthatithassuccessfullydevelopedthe5thgenerationmobilecommunication(5G)coretechnology,whichisexpectedtobeginin2020tocommercialization.Thetechnologycantransmitdataatultra-highfrequency28GHzto1Gbpspersecondspeed,andthemaximumtransmissiondistanceofupto2km.Incontrast,thecurrentfourthgenerationLongTermEvolution(4GLTE)andservicesofonlythetransmissionrate75Mbps.Priortothetransmissionbottleneckiswidelybelievedthatatechnicalproblem,whileSamsungElectronicsistheuseof64adaptivearrayantennaelementstransmissiontechnologytocrackthisproblem.Comparedwiththetransmissionspeedof4GtechnologyinSouthKorea,5Gtechnologyishundredsoftimesfaster.Usingthistechnique,downloadahigh-definition(HD)moviejustneed10seconds.Backin2009,Huaweihaslaunchedtheearlyresearchrelatedtechnologies,andtoshowtheprototypeofthe5Gbaseinlateryears.InNovember6,2013,Huaweiannouncedthatitwouldinvest$600millionin2018forthe5Gtechnologydevelopmentandinnovation,andpredictedthatuserswillenjoy20Gbpscommercial5Gmobilenetworksin2020.May8,2014,theJapanesetelecomoperatorNTTDoCoMoannouncedofficially,Ericsson,Nokia,Samsungandothersixmanufacturerstoworktogether,begantestingoverride1000timesthanexisting4Gnetworksthecarryingcapacityofthehigh-speednetwork5Gnetwork,thetransmissionspeedisexpectedto10Gbps.Outdoortestingscheduledtocommencein2015,andexpectstobeginoperationsin2020.[3]-4-March1,2015,theBriti