YujiNakamurapdf智能交通世界大会ITS智慧城市社区人工智能AI物联网IT报告课件教案Word下载.docx

YujiNakamurapdf智能交通世界大会ITS智慧城市社区人工智能AI物联网IT报告课件教案Word下载.docx

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YujiNakamurapdf智能交通世界大会ITS智慧城市社区人工智能AI物联网IT报告课件教案@#@YujiNakamura.pdf智能交通世界大会ITS智慧城市社区人工智能AI物联网IT报告课件教案@#@n010*********平成21年22年23年24年25年26年27年05001,0001,5002,0002,5003,000Increaseinsubscriberstoultra-high-speedbroadbandservicesinJapan-87.25millionsubscriberstoultra-high-speedmobilebroadbandservices（asofMar.31,2019）,anincreaseofapproximately1.6timesinoneyear.-InFY2019,thenumberofsubscriberstoultra-high-speedmobilebroadbandservicessurpassedthenumbertofixed-lineservicesMobileservicesFTTH（opticalfiber）subscriptionssurpassedDSLsubscriptionsinJune2008andnowaccountforabouttwo-thirdsofallfixed-linebroadbandsubscriptionsSubscriptionsto3.9Gmobilephone（LTE）accessservicesincreasedapproximately1.5timesoverthepreviousyear.[subscriptions,in10softhousands][subscriptions,in10softhousands]Opticalfiber26.61millionFTTHovertakesDSLinJune2008CATV6.43millionDSL3.75millionFWA10,000Note:

@#@SomecarrierschangedthecalculationmethodforCATVaccessservicesattheendofMarch2010andtheendofMarch2019Note:

@#@FWA:

@#@FixedWirelessAccessNote:

@#@DSL:

@#@DigitalSubscriberLineAsofMarch.31,2019AsofMarch.31,20193.9Gmobilephones（LTE）BWA3.9Gmobilephones（LTE）67.78millionIncreasedapprox.1.5timesinoneyearBWA19.47million20192019200320042005200620072008200920102019201920192019200920102019201920192019Fixed-lineservices320192019FTTHDSLCATVFWAWorldsMostAdvancedICTInfrastructure（mobile）InJapan,threemobilephonecarriershavebeeninvestingatotalof\15.1trillioninfacilitiesover10years.Asaresult,Japanwasthefirstcountryintheworldtoachieve100-percentpopulationcoveragefor3G.ThepresentLTEpopulationcoveragerateforthethreecarriersisover90percent（asofMarch2019,basedonself-reportingbythecarriers）.Forcomparison,theU.S.coveragerateis86percent（December2019）andtheEUcoveragerateaverages26percent（Germany:

@#@around50percent,U.K.:

@#@lessthan20percent,France:

@#@lessthan10percent）（December2019）.ThecoveragerateislowintheU.K.evenfor3G,whichhasyettoreach90percent（November2019）.Ratioof3GmobilephonesubscriptionsamongallmobilesubscriptionsAchievingahighLTEpopulationcoveragerateinJapanwithlargefacilityinvestments（asofDec.31,2019）Source:

@#@OECDCommunicationsWhitePaper2019Note:

@#@TheU.K.ratioof3Gmobilephonesubscriptionsamongallmobilesubscriptionswas52.4percent.（Source:

@#@TeleGeography）100%100%95%80%77%72%69%59%54%48%48%45%44%40%40%39%39%25%25%16%10%4%0%20%40%60%80%100%日本スロベニア韓国デンマークアイルランド米国スウェーデンオーストラリアオーストリアカナダトルコギリシャOECDフランスイタリアイスラエルスイスドイツポルトガルエストニアハンガリーチェコJapanSloveniaSouthKoreaDenmarkIrelandU.S.SwedenAustraliaAustriaCanadaTurkeyFranceGreeceOECDItalyIsraelCzechSwitzerlandGermanyPortugalEstoniaHungary4IncreaseinMobileCommunicationsTrafficinJapan-ThenumberofsmartphonesubscribersonMarch31,2019was68.50million（anincreaseofapproximately2.6timesoverthreeyears）.-Becauseoftheincreaseinsmartphoneusersandotherreasons,theaveragemonthlymobilecommunicationstraffic（persecond）hasrisenmorethan4timesinthreeyears,reaching1032.3GbpsinJune2019.5274.3328.9349.0422.0469.8546.4586.2671.7729.9822.4871.8969.01032.3020040060080010001200H24.06H25.03H25.12H26.09H27.06（Gbps）206324252528298532763751396544354750520952935629592901000201930004000500060007000H24.06H25.03H25.12H26.09H27.06（bps）Overa4-timesincreaseinthreeyearsAbouta3-timesincreaseinthreeyearsAveragetrafficpersubscriberAveragemonthlytrafficJune2019June2019Mar.2019Sep.2019Dec.2019Mar.2019June2019Sep.2019Dec.2019Mar.2019June2019Sep.2019Dec.2019June2019Sep.2019Dec.2019Mar.2019June2019Sep.2019Dec.2019Mar.2019June2019Sep.2019Dec.2019Mar.2019June20196TheFutureofWirelessSystems19902019201020201980（bps）10k1G100M10M1M100kAnalogtransmissions9.6Kbps1G（analog）VoicePDCcdmaOne28.8Kbps64KbpsPacketcommunications2G（movetodigital）W-CDMA384KbpsCDMA20191xEV-DO2.4MbpsHSDPAHSUPA14.4MbpsE-mailStillimages（cameras）BrowsersVideo3G（IMT-2019）3.5GLTE100MbpsLTE-Advanced3.9G1Gbps4GCommunicationspeedswillincreasebyabout10,000timesin30years（year）IntroductionofOFDMAandMIMOincreasedcapacity10G5GMovefromTDMAtoCDMAincreasedcapacity75Gmobilecommunicationssystems:

@#@fromRDandstandardizationtodeploymentUltrafastspeedsandultralowlatencySimultaneousconnectionswithadiverserangeofdevices,suchassensornetworks1000timesthesystemcapacityofcurrentLTE100timesthenumberofconnecteddevicesofcurrentLTEPeakspeedsofover10GbpsLatencyoflessthan1msec（wirelessaccessnetworks）LowerpowerconsumptionItisimportanttoensureevenbroaderfrequencybandstorealizefastercommunicationsandtohandle1000timesthetrafficof2010levels5Gandsubsequentsystemsdonotuseonlysignalsonasinglefrequencyband.Instead,theycombinesignalsfrommultiplefrequencybands,rangingfromlowVHF-bandfrequenciestohighmillimeter-bandfrequencies.Thispermitsflexibleradiospectrumuse,inwhichthebestusagemethodisselecteddependingonthelocation,time,andapplication,andrealizesmorestablecommunications.Requirementsfor5GIssuesaheadofthesmoothstandardizationanddeploymentof5GTheFutureofRadioSpectrumUsageinJapanConvenientsocietySustainablesocietyIncreaseindustrialcompetitivenessConvenientandsaferoadtransportsystems

（1）Quantitativeandqualitativeexpansionofmobilecommunications4Gand5GmobilecommunicationsystemsrealizecommunicationspeedsonaparwithopticalfiberWearablesandmanyothertypesofdevicesarecommonplace

（2）Expansionofmachine-to-machinecommunications（M2MandIoT）withouthumanmediationEverythinginsocietycanbeconnectedwirelessly（IoE）Expandeduseoftheradiospectrumabroadrangeoffields（SmartGrids,SmartCities,SmartHomes,etc.）（3）Advancesintheuseofhigh-definitionvideoandconvergencewithcommunicationservicesViewing4KvideowhiletravelingontabletsandotherdevicesiscommonplaceConvergenceofactualandvirtualspaces,augmentedreality,experiencesharing（4）AssuranceofsafetyandsecurityutilizingwirelesscommunicationsystemsHandleagingpublicinfrastructureandmaintenancewithM2MSafedrivingassistanceandautonomousdrivingusingnext-generationITSSecurityanddisasterresponseusingquasi-zenithsatellitesandG-spaceinformation（5）RealizationofefficiencyresponsesinthepublicsectorLifelines,broadcasting,andcommunicationmeansareensuredduringdisastersAdvancesinfrequencysharingtorealizeeffectiveresponses（6）AdvancesinradiospectrumusageoutsideofcommunicationsApplicationsinradar,positioning,andsensorringsWirelesspowertransmissionsystemsarecommonplaceNewformsofradiospectrumusageSpecificapplicationsSafeandsecuresocietyServicesandcontentdistributionprovidedovermobilebroadbandwillincreaseviaadiverserangeofcommunicationdevices,includingsmartphones,tablets,andwearables.Awidevarietyofservicesandbusinessesthatusetheradiospectrumwillgrowandbecomecommonplace.ApplicationsoftheradiospectrumforindustrialefficiencyandinmedicineandtheenvironmentwillexpandwiththeuseofM2M,IoT,andsensornetworks.8ITSDevelopmentinJapanETCTargetdetectionsysteminfront-On-vehicleradarsystemusingradiowaves,supersonicwavesandinfraredray,andcamera-Detectingvehiclesandobstaclesinfront-Warning,emergencybrake,keepinginter-vehicledistanceObstaclesdetectionsystemaroundvehicle-radarsystemusingradiowavesandsupersonicwaves,andcamera-DetectingobstaclesandwarningDSSS（DrivingSafetySupportSystems）-V2V,V2IandV2Pcommunicationsvia700MHzbandradiowavesProbeinformation-Probeinformationcollectionbyeachcarmaker-ProvidingeachuserswithtrafficinformationITSbasedonICTVICS（VehicleInformationandCommunicationSystem）-Since1996-trafficinformationthroughFM-multiplexbroadcasting,radiobeaconsandinfraredbeacons-over47millionvehiclesasofJune2019DSRC（DedicatedShortRangeCommunication）ETC（ElectronicTollCollection）since2019-over66millionvehiclesasofMay2019ITSSpotsince2019-About1600locationsmainlyonexpresswaysnationwide-ProvidingdriverswithsafedrivingsupportinformationEnhancementofITSbyeffectiveuseofInformationCommunicationTechnology10ITSRadiocommunicationsinJapan

（1）ElectronicTollCollectionSystem（ETC）RoadsideBroadcasting（Highwayradio）700MHzITS（AdvancedDriverAssistanceSystems）AvoidingVehicleCollisionsbyvehicle-to-vehiclecommunications.左から合流車、注意ITSspotsprovideinformationdetectedbyroadsidesensors.DedicatedShortRangeCommunication（DSRC・ITSSpot）

（1）Textdisplaytype（3）Mapdisplaytype

（2）SimplifiedGraphicdisplaytypeVehicleInformationandCommunicationSystem（VICS）76～90MHz755.5～764.5MHz2.5GHz5770～5850MHz1620kHz76～77GHz78～81GHz60～61GHz22～29GHz

（2）SimplifiedGraphicdisplaytypekHzGHzMillimeterWaveRadar24/26GHzBandUWBRadaror79GHzBandHigh-resolutionRadar76GHzBandLong-distanceRadar11ITSRadiocommunicationsinJapan

（2）SpectrumServiceIntroductiontimeRoadsideBroadcasting（HighwayRadio）1620kHzProvideTrafficinformationSince1980VICS（VehicleInformationandCommunicationsSystem）76-90MHz（FMmultiplexbroadcasting）2.5/5.8GHz（Radiobeacon）ProvideTrafficinformationEnactedin1994ETC（ElectronicTollCollection）5.8GHzCollecthighwaytollEnactedin1997DSRC（DedicatedShortRangeCommunication）5.8GHzProvidevariousinformationEnactedin2019（Revisedin2007）700MHzITS（AdvancedDriverAssistanceSystems）760MHzProvidesafetyinformationEnactedin2019Millimeter-waveradar24/26GHz60/76GHz79GHzDetectobstaclesEnactedin2010Enactedin1997Enactedin201912OutlineofAdvancedDriverAssistance