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查看详情ThispartofstandardGB/T20851specifiesthemainparameters,informationframe,theestablishmentandrevocationoftheprivatecommunicationlink,MediumAccessControl(MAC)sublayerandLogicalLinkControl(LLC)sublayerofthedatalinklayerinDedicatedShortRangeCommunication(DSRC)usedinElectronicTollCollection(ETC)system.
ThispartisapplicabletoETCsystemforhighwayandElectronicChargingSystemforurbanroads,andalsocanbereferedforAutomaticVehicleIdentification(AVI),vehicleentryandexitmanagementandotherfields.
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