通信革命5G英文演讲讲义.docx
- 文档编号:24235017
- 上传时间:2023-05-25
- 格式:DOCX
- 页数:8
- 大小:476.09KB
通信革命5G英文演讲讲义.docx
《通信革命5G英文演讲讲义.docx》由会员分享,可在线阅读,更多相关《通信革命5G英文演讲讲义.docx(8页珍藏版)》请在冰豆网上搜索。
通信革命5G英文演讲讲义
通信革命5G英文演讲讲义
LT
UniversityofBristolZhangZhaoHan
幻灯片1
Goodmorning,ladiesandgentleman.Mypresentationtitleis“howcould5Gchangepeople’slife?
”.Iwaswondering,didyouwanttotouchyourphonetocheckwhethertherewasanincomingcallwhenyouheardtheringtone.Ifyoudid,itmeansthemobilephoneistheveryimportantthinginyourlife.Andthewaypeoplecommunicatewitheachotherhasbeenchangeddramatically.
幻灯片2
Einsteinsaidthat"Ineverthinkaboutthefuture—itcomessoonenough.“Andhewasright.So,I'mheretoaskyoutothinkof howthefutureishappeningnow.
幻灯片3
Overthepast200years,theworldhasexperiencedtwomajorwavesofinnovation.First,theIndustrialRevolutionbroughtusmachinesandfactories,railways,electricity,airtravel,andourliveshaveneverbeenthesame.
幻灯片4
Thenthecommunicationrevolutionbroughtuscomputingpower,datanetworks,accesstoinformationandcommunication,andourliveshaveneverbeenthesame.
幻灯片5
Intherecentyears,duetotheincreasinguserdemand,wirelesscommunicationnetworkshasbeendevelopingconstantly.From2Gto3G,thetechnicalrevolutionhasmadebigchangestopeople’slifeandwork.Andrightnow,4Gnetworksinmostcountrieshavealreadyadoptedinthebusiness.
Fortunately,accordingtotheexistingtechnology,thehighestwirelessspeedhasalreadyreached150Mbps(megabitpersecond).ItmeansthevideosonYouTubecanbewatchedsmoothly.Averagespeedsisfasterthanmostpeople'shomebroadband.Asaresult,thereisanargumentthatitisnoneedtoupgradecurrentcommunicationsystem,becauseexistingnetworkshavealreadybeenabletomeetthedailyneeds;andtheresearchanddevelopmentexpensesfor5Gwillincreasetheconsumers’burden.
幻灯片6
However,ifwecomparethewirelessspeedtotheheightinreallife.From2Gto5G,youcanseethemhere.2Gislikeagrasshopper,3Gislikeabordercollie,andeven4Gisjustlikea5-storybuilding.Asthe5-srorybuildingcannotmeetourdemandinreallife,4Gwillnotmeetourcommunicationdemandinnestfewyears.Weneedkhalifatower,the5G.
幻灯片7
Ofcause,5Gcanmeetourdemand.Becauseitcanprovidethehighspeedwithlowlatency.therateof10-100Gigabitpersecond,itis4G’s100-1000times.Andwithitsultralowlatency,only2to5millisecond,itcanprovidetheexcellentuserexperience.
Second,Internationaltelecomorganizationpointsoutthatthenumberofconnecteddeviceswillreach50billionby2020.Atthattime,eachpersonmayhavethesmartglasses,thesmartphone,theiPad,thelaptop,andthesmartwatch.Alloftheseneedtotheinternet.Withthelimitedbandwidthresource,currentnetworkscannotaccommodatesomanyintelligentterminals.Andthisisalsoabigchallengefor5G.
Lastbutnotleast,5Ghastheabilitytointegrateexistingsystemsseamlessly,includingWi-Fi(WirelessFidelity),LTEandHSPA(HighSpeedPacketAccess).Inthiswayitcanmaximizetheuseofexistingresourcesandincreaseredundancyinsurance.
幻灯片8
Next,wemoveontowhat5Gcoulddo,inanotherword,how5Gcouldchangeourlives.Thankstothelowlatencyandhugecapacity,5Gwouldallow,forexample,real-timeshortmessagestobesenttocitizens’smartphonesimmediatelywhentheearthquakeorothernaturaldisastersaredetected.Citizenscanusethesesecondstoturnoffallopenflamestopreventfiredisaster,andtoopenanexit(doorsorwindows)incaseofdeformationcausedbyearthquakes.
幻灯片9
Anditcanalsobeusedtothehighspeedrailwayemergencysystem.Withthelowlatency‘shelp,thetraincanbrakeafter2millisecondwhentheearthquakewasdetected.
幻灯片10
Moreover,theinternetofthingsisanotherbenefitfrom5G.The5G’sgoaliseverythingcouldconnecttotheinternet.Thistechnologycouldhelptheairports.
幻灯片11
Today,10percentofallflights cancellationsanddelays arecausedbyunscheduledmaintenanceevents. Somethinggoeswrongunexpectedly. Thisresultsinsixbillionpoundsincosts fortheairlineindustrygloballyeveryyear.
幻灯片12
nottomentiontheimpactonallofus:
stress,inconvenience, missedmeetingsaswesithelplessly inanairportterminal.
幻灯片13
Sohowcantheinternetofthingshelphere?
5Gcandevelopapreventivemaintenancesystem whichcanbeinstalledonanyaircraft. It'sself-learningandabletopredictissues thatahumanoperatorwouldmiss. Theaircraft,whileinflight, willcommunicatewithtechniciansontheground. Bythetimeitlands,theywillalreadyknow ifanythingneedstobeserviced. Asystemlikethiscanprevent over60thousanddelaysandcancellationseveryyearinEurope, helpingsevenmillionpassengers gettotheirdestinationsontime.
幻灯片14
However,the5G,theinternetofthings,cannotonlybenefitthebigcompany,butalsothecommonperson.AprofessorofMIT,bringthesensorstohishouse.Thesensorsconnectedtointernetcanfeelpeoplearoundthem,andthenopentherecorderandcameratorecordhisson’slife.Hisson,afterthefirstbirthday, wouldsay"gaga"tomeanwater. Andoverthenexthalf-year, heslowlylearnedtherightpronunciationof"water." Sowe'regoingtolookthroughhalfayear inabout40seconds. Novideohere, soyoucanfocusonthesound,anewkindofjourney:
gagatowater.Finally,hesucceed,didn’the?
Thesensorscanrecordeverytimeofus,sowecanlookbacktofindourhappiness.Ordootherusefulthings.
幻灯片15
ThelastpointIwanttopresentiscloudcomputing.5G’sdownloadspeedismuchfasterthancurrentharddisks'speed.Whichmeanstraditionalstoragedevicesmaylosetheirstatusin5Gtimeandwouldbereplacedbythe“Cloud”.
幻灯片16
Sothatismypresentation.Hereistheq&atime,Iwouldveryappreciatetoansweryourquestions.
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 通信 革命 英文 演讲 讲义
![提示](https://static.bdocx.com/images/bang_tan.gif)