QBT 2213-1996 地毯分类命名.pdf

《QBT 2213-1996 地毯分类命名.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、Designation:E2213–03StandardSpecificationforTelecommunicationsandInformationExchangeBetweenRoadsideandVehicleSystems—5GHzBandDedicatedShortRangeCommunications(DSRC)MediumAccess1Control(MAC)andPhysicalLayer(PHY)SpecificationsThisstandardisissuedunderthe®xeddesignationE2213;thenumberimmediatel

2、yfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.3Speci®cally,thisspeci®cationaccomplishesthe

3、follow-1.1Thisspeci®cation2describesamediumaccesscontroling:(MAC)andphysicallayer(PHY)speci®cationforwireless1.3.1Describesthefunctionsandservicesrequiredbyaconnectivityusingdedicatedshort-rangecommunicationsDSRCandIEEE802.11compliantdevicetooperateina(DSRC)services.Thisstandardisbasedonan

4、dreferstoIEEEhigh-speedmobileenvironment.Standards802.11,WirelessLANMediumAccessControland1.3.2ReferstoIEEE802.11MACprocedures.PhysicalLayerSpeci®cations,and802.11a,WirelessLAN1.3.3De®nesthe5.9GHzDSRCsignalingtechniqueandMediumAccessControlandPhysicalLayerSpeci®cationsinterfacefunctionstha

5、tarecontrolledbytheIEEE802.11High-SpeedPhysicalLayerinthe5GHzBand,withpermis-MAC.sionfromtheIEEEsociety.Thisspeci®cationismeanttobean1.3.4PermitstheoperationofaDSRCconformantdeviceextensionofIEEE802.11technologyintothehigh-speedwithinaDSRCcommunicationszonethatmaycoexistwithvehicleenvironm

6、ent.Aspresentedhere,thisspeci®cationmultipleoverlappingDSRCcommunicationzones.containsjustenoughinformationtoexplainthedifference1.3.5DescribestherequirementsandprocedurestoprovidebetweenIEEE802.11andIEEE802.11aoperatingparametersprivacyofuserinformationbeingtransferredoverthewirelessrequi

7、redtoimplementamostlyhigh-speeddatatransfermediumandauthenticationoftheDSRCorIEEE802.11serviceinthe5.9-GHzIntelligentTransportationSystemsconformantdevices.RadioService(ITS-RS)Band.Potentialoperationswithinthe2.ReferencedDocumentsUnlicensedNationalInformationI