307475cwts-specs-021系统Iub接口技术规范：层1

TechnicalSpecificationofIMT-DSFDD(WCDMA)SystemIubInterface：Layer1IMT-DSFDD（WCDMA）系统Iub接口技术规范：层120XX-XX-XX发布20XX-XX-XX实施中华人民共和国信息产业部科学技术司印发通信标准参考性技术文件I目次前言........................................................................................................................................................................II1范围.........................................................................................................................................................................12引用标准.................................................................................................................................................................13定义和缩略语.........................................................................................................................................................24.层1.........................................................................................................................................................................24.1概述......................................................................................................................................................................24.2层1描述..............................................................................................................................................................24.3来自高层的需求..................................................................................................................................................34.4层1提供的服务..................................................................................................................................................34.5到管理平面的接口..............................................................................................................................................4II前言本通信标准参考性技术文件主要用于无线接入网。本文基于3GPP制订的Release-99(2000年9月份版本)技术规范，具体对应于TS25.431V3.0.0。本参考性技术文件由信息产业部电信研究院提出。本参考性技术文件由信息产业部电信研究院归口。本参考性技术文件起草单位：信息产业部电信传输研究所本参考性技术文件主要起草人：盛蕾、续合元、徐京皓、徐菲本参考性技术文件2001年1月首次发布。本参考性技术文件委托无线通信标准研究组负责解释。1IMT-DSFDD（WCDMA）系统Iub接口技术规范：层1TechnicalSpecificationofIMT-DSFDD（WCDMA）SystemIubInterface：Layer1通信标准参考性技术文件1范围本参考性技术文件规定了Iub接口技术规范的物理层实现部分，它基于3GPP制订的Release-99(2000年9月份版本)技术规范，具体对应于TS25.430V3.0.0。2引用标准下列标准所包含的条文，通过在本标准中引用而成为本标准的条文。本标准出版时，所示版本均为有效。所有标准都会被修订，使用本标准的各方应探讨使用下列标准最新版本的可能性。[1]ITU-TRecommendationI.432.2(8/96):ISDNUser-Networkinterfaces,Layer1Recommendations,155520kbit/sand622080kbit/soperation.[2]ITU-TRecommendationI.432.3(8/96):ISDNUser-Networkinterfaces,Layer1Recommendations,1544kbit/sand2048kbit/soperation.[3]ITU-TRecommendationG.703(10/98):Physical/electricalcharacteristicsofhierarchicaldigitalinterfaces.[4]ITU-TRecommendationG.704(10/98):Synchronousframestructuresusedat1544,6312,2048,8448and44736kbit/shierarchicallevels.[5]ITU-TRecommendationG.957(7/95):Opticalinterfacesforequipmentsandsystemsrelatingtothesynchronousdigitalhierarchy.[6]ITU-TRecommendationI.432.1(8/96):ISDNUser-Networkinterfaces,Layer1Recommendations,Generalcharacteristics.[7]ITU-TRecommendationG.823(3/93):Thecontrolofjitterandwanderwithindigitalnetworkswhicharebasedonthe2048kbit/shierarchy.[8]ITU-TRecommendationG.824(3/93):Thecontrolofjitterandwanderwithindigitalnetworkswhicharebasedonthe1544kbit/shierarchy.[9]ITU-TRecommendationG.825(3/93):Thecontrolofjitterandwanderwithindigitalnetworkswhicharebasedonthesynchronousdigitalhierarchy(SDH).[10]ITU-TRecommendationG.826(8/96):Errorperformanceparametersandobjectivesforinternational,constantbitratedigitalpathsatorabovetheprimaryrate.[11]ITU-TRecommendationI.361(11/95):B-ISDNATMlayerspecification.[12]ATMForumAF-PHY-0016.000(9/94):DS1PhysicalLayerSpecification.[13]ATMForumAF-PHY-0064.000(9/96):E1PhysicalLayerInterfaceSpecification.2[14]ATMForumAF-PHY-0086.001(2/99):InverseMultiplexingforATM(IMA)SpecificationVersion1.1.[15]ITU-TRecommendationG.751(11/88):Digitalmultiplexequipmentsoperatingatthethirdorderbitrateof34368kbit/sandthefourthorderbitrateof139264kbit/sandusingpositivejustification.[16]ATMForumAF-PHY-0130.00(10/99):ATMonFractionalE1/T1.3定义和缩略语ATMAsynchronousTransferMode异步传输格式BERBitErrorRate比特差错率IMAInverseMultiplexingonATMATM反向复用PDHPlesiochronousDigitalHierarchyPlesiochronous数字等级PMDPhysicalMediaDependent物理介质独立SDHSynchronousDigitalHierarchy同步数字等级SDUServiceDataUnit业务数据单元TCTransmissionConvergence传输集中4.层14.1概述层1的主要功能如下所示：-到物理介质的接口；-小区的描述；-线性时钟提取能力；-层1告警的提取和产生；-顺序的传递；-质量控制的传输。4.2层1描述层1的参考配置应与IUT-T建议I.432.1一致：物理层分成：-物理媒质独立(PMI)子层；-传输集中(TC)子层，由ITU-T建议I.432.1定义。PMD应至少符合下面一种标准：-ETSISTM-4(622Mb/s)interfaceaccordingtoI.432.2[1]withopticalS-1.1interfaceaccordingtoG.957[5].-SONETSTS-12c(622Mb/s)interfaceaccordingtoANSI,T1.105-1995withopticalmultimode.-SONETSTS-3c(155Mb/s)interfaceaccordingtoANSI,T1.105-1995withopticalmultimode.-ETSISTM-1(155Mb/s)interfaceaccordingtoI.432.2[1]withelectricalinterface(CMI)toG.703[3].-ETSISTM-1(155Mb/s)interfaceaccordingtoI.432.2[1]withopticalS-1.1interfaceaccordingtoG.957[5].-ITUSTS-1(51Mb/s)interfaceaccordingtoANSI,T1.105-1995withelectricalinterface.-ITUSTM-0(51Mb/s)inter