IEEE_DSRC_Stds_Tutorial_03-10-02

DSRC_Stds_Update_02-10-02.PPT/02-10-02/bcash5.9GHzDEDICATEDSHORTRANGECOMMUNICATION(DSRC)STANDARDSDEVELOPMENTUPDATEDSRC_Stds_Update_02-10-02.PPT/02-10-02/bcash5.9GHzDSRCCONCEPT5.9GHzDSRC(DedicatedShortRangeCommunications)isashorttomediumrangecommunicationsservicethatsupportsbothPublicSafetyandPrivateoperationsinroadsidetovehicleandvehicletovehiclecommunicationenvironments.DSRCismeanttobeacomplementtocellularcommunicationsbyprovidingveryhighdatatransferratesincircumstanceswhereminimizinglatencyinthecommunicationlinkandisolatingrelativelysmallcommunicationzonesareimportant.DSRC_Stds_Update_02-10-02.PPT/02-10-02/bcashASTM5.9GHzDSRCSTANDARDSWRITINGGROUPPARTICIPATION•3-M•AASHTO•ACUNIA•AMTECH•ARINC•ARMSTRONGCOUNSULTING•ATHEROS•CALTRANS•DIAMLER-CHRYSLER•DENSO•GM•GTRI•HIGHWAYELECTRONICS•HITACHI•IDMICRO•IMEC•INTERSIL•ITS-A•JHU/APL•KINGCOUNTYMETROTRANSIT•MARKIV•MiCOMSpa•MICHIGANSTATEDOT•MITRETEK•MOTOROLA•NISSAN•N.Y.THRUWAYAUTHORITY•OKIELECTRIC•PATH•RAYTHEON•SIRIT•SUMITOMOELECTRIC•TECHNOCOM•TOSHIBA•TRANSCORE•VISTEON•WASHINGTONSTATEDOT•Wi-LANDSRC_Stds_Update_02-10-02.PPT/02-10-02/bcashASTM5.9GHzDSRCSTANDARDSDEVELOPMENTACTIVITYMEETINGSSINCEREPORTANDORDER•October1999•December1999•February2000•March2000•May2000•June2000•July2000•September2000•October2000•November2000•December2000•January2001•March2001•April2001•May2001MEETINGSSINCEREPORTANDORDER•June2001•July2001•August2001*•October2001•December2001•January2001•February2002MEETINGSCURRENTLYSCHEDULED•March2002•May2002•June2002*-TechnologySelectionMeetingDSRC_Stds_Update_02-10-02.PPT/02-10-02/bcash5.9GHzDSRCTECHNOLOGYSELECTION•TheinitialselectionbetweentheMotorolaentryandtheOFDMforumentrywasmadebytheASTME17.51DSRCStandardsWritingGrouponAugust24,2001.•THEWINNERwastheOFDMforumentry-IEEE802.11a/RAPhysicalLayerandtheIEEE802.11MediumAccessControl(MAC)Layer.(RA–RoadAccess)•ThewritinggroupselectionwasconfirmedbyletterballotvoteoftheLargerASTME17.51subcommitteeinOctober2001.•TheASTMDSRCSTDXXXX*willbeamodifiedversionofIEEE802.11awith10MHzwidechannelsinsteadof20MHzchannelsandhalfthedatarate.ItwillincludetheIEEE802.11MediumAccessControl(MAC)Layerwithnoanticipatedchanges.*-ASTMStandardnumbersareassignedonlywhencompleteDSRC_Stds_Update_02-10-02.PPT/02-10-02/bcashCURRENT5.9GHzDSRCARCHITECTURECONFIGURATIONLayer2LogicalLinkControl/(LLC)IEEE802.2ResourceManagerApplication/ISO????/IEEE????Layer1/2PhysicalLayer(PHY)w/MAC/LLCREFsASTMXXXXLayers3-7ApplicationLayerIEEEXXXXCHANNELMANAGERSystemManagementEntity(SME)ASTMYYYY5.9GHzNorthAmericanArchitectureSpecificationASTM????-A5.9GHzTestProcedureSpecificationASTM????-TLayer2MediumAccessControl(MAC)IEEE802.11-EstablishedStandardsandproceduresthatarereferencedasnecessary-Standardsthatmustbemodifiedorcompleted-StandardsthatmustbewrittenCOREDSRCARCHITECTUREOTHERNETWORKINTERFACEEXISTINGSTANDARDSLayer1PhysicalLayer/(PHY)IEEE802.11aResourceManagerApplication/Layers3-7IEEE1455DSRC_Stds_Update_02-10-02.PPT/02-10-02/bcashDSRCCAPABILITIESSPECTRUMUSEDDATARATECOVERAGEALLOCATIONSTATUSINTERFERENCEPOTENTIALMAXIMUMRANGECHANNELCAPACITYPOWER(Downlink)POWER(Uplink)12MHz(909.75to921.75MHz)0.5MbpsLargedistancesbetweencommunicationzonesNoprotectionMany900MHzPhones,ManyRailCarAEIReaders,ManySpreadSpectrumDevices,WindProfileRadars300ft(atrequired-30dBmsensitivity)1to2channelsNominallylessthan40dBm(10W)Nominallylessthan6dBm(4mW)75MHz6Mbps-27MbpsOverlappingcommunicationzonesneededandallowedPrimaryStatus(highprotection)SparselylocatedMilitaryRadars,VerySparselylocatedSatelliteUplinks1000m(~3000ft)7channelsNominallylessthan33dBm(2W)*Nominallylessthan33dBm(2W)*ITSRADIOSERVICEistheFCCPart90designationforthe915MHzand5.9GHzDSRCspectrum*Note-Asaspecialcaseupto44.77dBm(30W)maybeuseforqualifiedpublicsafetyapplications.902-928MHzBandPARAMETERS5850-5925MHzBand(inthedesignatedITSRADIOSERVICEbands)DSRC_Stds_Update_02-10-02.PPT/02-10-02/bcash5.9GHzDSRCBASICOPERATINGFACTORS•PUBLICSAFETYandPRIVATEAPPLICATIONSsharetheband•INTEROPERABILITY•LICENSEDOPERATION•PUBLICSAFETYINSTALLATIONPRIORITY•NON-MUTUALEXCLUSIVITYFORPRIVATEINSTALLATIONS•LIMITEDRANGEFORPRIVATEOPERATIONS•FREQUENCYCOORDINATORUSEDTOASSIGNLICENSESDSRC_Stds_Update_02-10-02.PPT/02-10-02/bcashCURRENT5.9GHzDSRCSTANDARDWRITINGGROUPACTIVITIES•DevelopingusagerulesandlicensingprocedurerecommendationsfortheFCC•ExpecttosubmitFCCrulerecommendationsinAprilandJune2002•DevelopingtheFinaldraftofthePhysicalandMACLayerStandards•ExpectedL1/L2standardcompletioninJune2002DSRC_Stds_Update_02-10-02.PPT/02-10-02/bcashNORTHAMERICAN5.9GHzDSRCOPERATIONALCONCEPT/BANDPLANDSRC_Stds_Update_02-10-02.PPT/02-10-02/bcash5.9GHzDSRCOPERATIONALCONCEPTINTRODUCTION5.9GHzDSRC(DedicatedShortRangeCommunications)isashorttomediumrangecommunicationsservicethatsupportsbothPublicSafetyandPrivateoperationsinroadsidetovehicleandvehicletovehiclecommunicationenvironments.DSRCismeanttobeacomplementtocellularcommunicationsbyprovidingveryhighdatatransferratesincircumstanceswhereminimizinglatencyinthecommunicationlinkandisolatingrelativelysmallcommunicationzonesareimportant.Thisbriefingout