【英文标准名称】:Roadtransportandtraffictelematics-Dedicatedshortrangecommunication(DSRC)-DSRCdatalinklayer-Mediumaccessandlogicallinkcontrol
【原文标准名称】:道路运输和交通远程信息处理技术.专用短程通信(DSRC).DSRC数据链路层.媒体存取和逻辑链路控制
【标准号】:BSEN12795-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-05-30
【实施或试行日期】:2003-05-30
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisEuropeanStandard:—definestheDataLinkLayerofDSRC;—ispositionedwithrespecttootherrelatedstandardsbythelayersdefinedinOSIBasicReferenceModel[ENISO/IEC7498-1]asadoptedforDSRC;—supportsbroadcastandhalf-duplextransmissionmodes;—supportsavarietyoffixedequipmentconfigurations.Itsupportsconfigurationswhereonefixedequipmentcommunicateswithonemobileequipmentunit,aswellasconfigurationswhereonefixedequipmentcancommunicatewithseveralmobileequipmentunits;—takesintoaccountthatthemobileequipmentcommunicateswiththefixedequipmentwhilepassingthroughalimitedcommunicationzone;—definesneitheranyspecificconfigurationnorthelayoutofthecommunicationzone;—doesnotdefinetowhatextentdifferentinstancesoffixedequipment,operatinginthevicinityofeachother,needtobesynchronisedwitheachother;—definesparameterstobeusedinnegotiationprocedurestakingplacebetweenfixedequipmentandmobileequipment.Bydefiningtwodistinctsublayers,namelythemediumaccesscontrolsublayerandthelogicallinkcontrolsublayer,thisstandarddefines:a)mediumaccesscontrolproceduresforthesharedphysicalmedium;b)addressingrulesandconventions;c)dataflowcontrolprocedures;d)acknowledgementprocedures;e)errorcontrolprocedures;f)servicesprovidedtoapplicationlayer.TheMACsublayerisspecifictotheDSRC.TheLLCservicesofferedareunacknowledgedandacknowledgedconnectionlessservicesbasedon[ISO/IEC8802-2].Figure1illustratestheglobaldataflowbetweentheelementsoftheDSRCstack,(Physical,DataLinkandApplicationLayers)andtheapplication.NOTEFordefinitionsofthetermsusedinFigure1see[ENISO/IEC7498-1].
【中国标准分类号】:R07
【国际标准分类号】:35_100_20;35_240_60
【页数】:50P;A4
【正文语种】:英语