21-oneweb卫星系统介绍

OneWebGlobalAccessRickWangOct201654%oftheworldhasnoInternetaccess54%oftheworldhasnoInternetaccessWorldAverage 53.6%DevelopingCountries 65.9%DevelopedCountries 18.7%-FiguresbasedonInternationalTelecommunicationsUnion’sestimatesfor2015TheUnconnectedandUnderservedworld%ofunconnectedhouseholdsTheUnconnectedandUnderservedworld$Population/Coverage0%100%InfrastructurecostOneWebRuralfibre4,000$/kmProhibitivecoststodeployfibreinruralareasSatellitesolutionsprovide“coverage”andare“costeffective”OneWebisheretobridgetheDigitalDivideWorldClassGroupofPartnersandShareholders648satellitesby2020-initialdeploymentLowEarthOrbit-1,200km18orbitalplanesKu-bandandKa-bandspectrumGlobalcoverageLowfreespacepropagationdelays(8to16ms)OneWeb’sGlobalConstellationKu-bandFSSallocationSpace-to-Earth10.7-12.75GHzEarth-to-space14.0-14.5GHzEfficientuseofspectrum16beamsCapacityperbeam~400Mbps1100km1100kmOneWebSatelliteCapacity–Ku-bandOneWebcoverageOneWebsatellitecoverageServiceArea:1100x1100kmSatelliteCapacity:~7.5GbpsOneWebglobalcoverageTotalsystemcapacityapprox5TerabpsSpeed:Volume:Latency:Coverage:Downloadupto50MbpsUploadupto25Mbps10to150+GBpermonthRoundtrip<50msHighelevationangles(>50degrees)ComparabletoterrestrialinternetservicesOneWeb’sBroadbandQualitySatelliteNetworkPortalKa-bandKu-bandAccesslinkServicelinkFeederlinkSatelliteUserTerminalUserDeviceOneWebCoreOneWebSystemArchitectureSatelliteBroadbandFemptocellsCellularBackhaul(macro-cell)EnterpriseVerticalMarketsSMEsHome,Schools,HospitalsOneWebWillServeThreeMarketSegmentsSatelliteTerminalsAeroterminalbyRockwellCollinsTerminalsforpremisesorFixedlocationsTerminalTrucksandTrainsTerminalforShipsSmall,lowcostandquicktobuildsatellitesHighvolumeproductionSimplesatellitesSize:~1cubicmeter,~150kgLifetime:7+yearsDe-orbitcapabilityJointVentureOneWebSatelliteManufacturing50-70gatewaysitesaroundtheworld500+antennasLowpowerandfastchipsetOneWebGroundNetwork21Soyuz+optionsPilotslaunch2018Constellationdeploymentfrom2018-2020Lauchers-Arianespace39VirginGalacticlaunchesImmediateaccesstospaceDirectorbitinsertionLaunchers–VirginGalacticUserLink–Ku-bandFSSAllocationsSpace-to-Earth:10.7–12.75GHz Earth-to-space:14.0–14.50GHz: FeederandTT&CLink–Ka-bandFSSAllocationsSpace-to-Earth:17.7–20.2GHz: Earth-to-space:27.5–30.0GHz: ITURadioRegulationsArt22–EPFDlimitsprotectGSOsystemsAllowance10%ofUnavailabilityforexample:10%of0.1unavailability=0.01Availability99.9%dropsto99.89%OneWebmeetstheEPFDlimitsAvoidsin-lineinterferenceSpectrumandProtectionofGSOsystemsCleanSpaceOperatingatasafeorbit(1200km)Positionalknowledgeofsatellites(byGPSandradars)In-orbitflightcoordination&SpacedatasharingManeuverabilityanddeorbitingofsatelliteHighreliabilityofdeo