通信专业英文缩写名称简介

('.通信专业英文缩略语缩略语英语解释中文解释AAM/CMAdministrationModule/CommunicationModule管理和通信模块BBABCCHAllocationBCCH分配BAMBackAdministrationModule后管理模块BCCBTSColorCode基站色码BCCHBroadcastControlCHannel广播控制信道BCHBroadcastchannel(transportchannel)广播信道（传输信道）BIEBaseStationInterfaceEquipment基站接口设备BITSBuildingIntegratedTimingSupply大楼综合定时供给系统BMBasicModule基本模块BSBaseStation基站BS1AbisInterfaceAbis接口BSCBaseStationController基站控制器BSIUBaseStationInterfaceUnit基站接口单元BSSBaseStationSubsystem基站子系统BTSBaseTransceiverStation基站收发信台CCACellAllocation小区分配CBCHCellBroadcastChannel小区广播信道CCCountryCode国家码CCCHCommonControlChannel公共控制信道CCSCommonChannelSignaling共路信令方式CDUCombinerandDividerUnit合分路单元CGICellGlobalIdentification全球小区识别码CICCircuitIdentificationCode电路识别码CRCCyclicRedundancyCheck循环冗余校验CS-1CodeScheme-1编码模式－1（9.05kbit/s）CS-2CodeScheme-2编码模式－2（13.4kbit/s）CS-3CodeScheme-3编码模式－3（15.6kbit/s）教育资料.缩略语英语解释中文解释CS-4CodeScheme-4编码模式－4（21.4kbit/s）CTNCentralSwitchingNetworkBoard中央交换网板DDBFDatabaseFile数据库文件DPCDestination(Signaling)PointCode目的信令点编码DRXDiscontinuousReception非连续接收DTXDiscontinuousTransmission非连续性发射EE3ME3Sub-MultiplexerE3子复用设备EACExternalAlarmCollection外部告警采集ECSCEarlyClassmarkSendingControl早期类标发送控制EDUEnhancedDuplexerUnit增强型双工单元EFREnhancedfullratespeechcode增强型全速率语音编解码ESTEstablishment建立FFACCHFastAssociatedControlChannel快速随路控制信道FBCPhotoelectricConversionBoard光电转换板FBIOpticalFiberInterfaceBoard光接口板FPUFrameProcessingUnit帧处理单元FTCFullRateTranscoder全速率码变换器、全速率变码器FTPFileTransferProtocol文件传输协议FULRadioSignalingLink无线信令链路GGALMAlarmboard告警板GCKSClocksource时钟板GCTNCentralswitchingNetworkboard中心交换网板GEMAEmergencyActionboard双机倒换板GFBIFiberInterfaceboard光纤接口板GLAPLAPDProtocolProcessboardLAPD协议处理板GMC2Inter-ModuleCommunicationboard，模块通信板GMCCModuleCommunicationandControlboard模块通信控制板GMEMMemoryboard数据库接口板教育资料.缩略语英语解释中文解释GMPUMainProcessUnit主处理单元GNETSwitchingNetworkboard交换网板GNODNodeCommunicationBoard节点通信板GOPTLocalOpticalInterfaceBoard光纤通信板GPRSGeneralPacketRadioService通用分组无线业务GPSGlobalPositionSystem全球定位系统GSMGlobalSystemforMobileCommunications全球移动通信系统GSNTGSMSignalingSwitchingNetworkBoard信令交换网板HHDLCHigh-levelDataLinkControl高级数据链路控制HOHandover切换HPAHighmagnificationPowerAmplifierboard高增益功放板HSNHoppingSequenceNumber跳频序列号HWHighway母线IIDIDentification/IDentity识别INDIndication指示IOMUiSiteOperationandMaintenanceUnit操作维护单元板IPInternetProtocol互联网协议、网际协议LLAPDLinkAccessProtocolontheD-channelD信道上的链路访问协议LPN7CommonChannelSignalingProcessingBoard公共信道信令处理板MMAMobileAllocation移动台（频率）分配MAIOMobileAllocationIndexOffset移动分配索引偏移MCCMobileCountryCode移动国家码MCKMainClockboard主时钟板MFUMicrocellFrameUnit微蜂窝帧处理单元MMUMultiplicationandManagementUnit复用管理单元MNCMobileNetworkCode移动网编号、移动网编码MSMobileStation移动台(手机)MSCMobileSwitchingCenter移动交换中心MSMMSCSubratechannelMultiplexerMSC侧子复用板教育资料.缩略语英语解释中文解释MTPMessageTransferPart消息传递部分NNCCNetworkColorCode网络色码NSSNetworkSubSystem网络子系统OOMOprationandMaintenance操作维护OMCOperationandMaintenanceCenter操作维护中心OMLOperationandMaintenanceLink操作与维护链路OMUOperationandMaintenanceUnit操作维护单元OPCOriginatingPointCode源信令点编码PPbPbInterfacePb接口PBCCHPacketBroadcastControlChannel分组广播控制信道PBGTPowerBudget功率预算PBUPowerBoostUnit功率增强单元PCCCHPacketCommonControlChannel分组公共控制信道PCICPacketCircuitIdentityCode分组电路标识码PCMPulse-CodeModulation脉冲编码调制PCUPacketControlUnit分组控制单元PDHPlesiochronousDigitalHierarchy准同步数字系列PDTCHPacketDataTrafficChannel分组业务数据信道PLMNPublicLandMobileNetwork公用陆地移动（通信）网PMUPowerandEnvironmentMonitoringUnit电源环境监测板PSUPowerSupplyUnit供电单元PWCSecondaryPowerSupplyBoard二次电源板RRACHRandomAccessCHannel随机接入信道RSLRadioSignalingLink无线信令链路SSACCHSlowAssociatedControlChannel慢速随路控制信道SAPIServiceAccessPointIdentifier业务接入点标识SCCPSignalingConnectionControlPart信令连接控制部分SCUSimpleCombinerUnit简单合路单元SDCCHStand-aloneDedicatedControlChannel独立专用控制信道教育资料.缩略语英语解释中文解释SITESite站点SMSub-MultiplexerInterface子复用板SMBCBShortMessageServiceCellBroadcast短消息业务小区广播SMISub-MultiplexerInterface子复用板SPSignalingPoint信令点SS7SignalingSystemNumber7七号信令STPSignalingTransferPoint信令转接点TTATimingAdvance时间提前量TCTranscoder码变换器TCHTrafficCHannel业务信道TCSMTranscoderandSub-Multiplexer码变换与子复用单元（器）TEITerminalEquipmentIdentifier终端设备标识TESTransmissionExtensionpowerSupplyunit传输扩展供电单元TEUTransmissionExtensionUnit传输扩展单元TFOTandemFreeOperation免汇接运营TMUTiming/TransmissionandManagementUnit定时/传输管理单元TRAUTranscoder&RateAdaptationUnit码变换器/速率适配单元TRXTransceiver收发信机TSTimeslot时隙TSCTrainingSequenceCode训练系列号(编码）VVSWRVoltageStandingWaveRatio电压驻波比WWSWorkstation操作台A,AsubA-interfaceA接口ACAlternatingCurrent交流ACAccessClass(C0toC15)接入级别（C0到C15）ACCHAssociatedControlChannel随路控制信道ACELPAlgebraiccodeexcitationlinearprediction代数码激励线性预测ACOMAntennaCombiner天线合路器AGCHAccessGrantChannel接入允许信道教育资料.AM/CMAdministrationModule/CommunicationModule管理和通信模块ANSIAmericanNationalStandardInstitute美国国家标准组织APCAutomaticPowerControl自动功率控制APIApplicationProgramInterface应用程序接口APLAdvancedPhaseLocking高级时钟锁相ARFCNAbsoluteRadioFrequencyChannelNumber绝对射频信道号ASICApplicationSpecificIntegratedCircuit专用集成电路AuCAuthenticationCenter鉴权中心BBABCCHAllocationBCCH分配BAMBackAdministrationModule后管理模块BCCBTSColorCode基站色码BCCHBroadcastControlCHannel广播控制信道BCFBaseControlFunction基本控制功能BCHBroadcastchannel(transportchannel)广播信道BERBitErrorRate误码率BHCABusyHourCallAttempt忙时尝试呼叫BIEBasestationInterfaceEquipment(board)基站接口设备（板）BIOSBasicInputOutputSystem基本输入输出系统BITSBuildingIntegratedTimingSupply大楼综合定时供给系统BMBasicModule基本模块BPBurstPulse突发脉冲BQBadQuality质量差BSBaseStation基站BS1AbisInterfaceAbis接口BSCBaseStationController基站控制器BSICBaseStationIdentityCode基站识别码BSMUBaseStationInterfaceUnit基站接口单元BSSBaseStationSubsystem基站子系统BSSAPBaseStationSubsystemApplicationPart基站子系统应用部分BSSGPBaseStationSubsystemGPRSProtocol基站系统GPRS协议BSSMAPBaseStationSubsystemManagementApplicationPart基站子系统管理应用部分BSSOMAPBaseStationSubsystemOperationandMaintenanceApplicationPart基站子系统操作与维护应用部分BTSBaseTransceiverStation基站收发信台BTSMBaseTransceiverStationManagementBTS管理BVCBSSGPVirtualConnectionBSSGP虚拟连接CCACellAllocation小区分配CAMELCustomizedApplicationsforMobilenetworkEnhancedLogic移动网络增强逻辑的客户化应用教育资料.CBACellBarAccess小区禁止接入CBCCellBroadcastCenter小区广播中心CBCHCellBroadcastCHannel小区广播信道CBCCHCellBroadcastControlChannel小区广播控制信道CBQCellBarQualify小区禁止限制CBSMCellBroadcastShortMessage小区广播短消息CCCountryCode国家码CCCallingControl呼叫控制CCConnectionConfirm呼叫控制CCBCallControlBlock呼叫控制块CCBSCompletionofCallstoBusySubscribers遇忙回呼CCCHCommonControlChannel公共控制信道CCHControlChannel控制信道CCSCommonChannelSignaling共路信令方式CDCallDeflection呼叫偏移CDBCellBroadcastDatabase小区广播数据库CDUCombiningandDistributionUnit合分路单元CELPCodeExcitedLinearPrediction码激励线性预测CGICellGlobalIdentity小区全球识别码CICellIdentity小区识别CICCircuitIdentifyCode电路识别码CICCarrierInterfaceControllerboard载频接口控制器CIRCarriertoInterferenceRatio载干比CKSNCipheringKeySequenceNumber密钥序列号CKVClockDriveboard时钟驱动板CMConnectionManagement接续管理CPUCentralProcessingUnit中央处理单元CRConnectionRequest连接请求CRCCyclicRedundancyCheck循环冗余校验CROCellReselectOffset小区重选偏移CSCodingScheme（信道）编码方式CS-1CodeScheme-1编码模式－1（9.05kbit/s）CS-2CodeScheme-2编码模式－2（13.4kbit/s）CS-3CodeScheme-3编码模式－3（15.6kbit/s）CS-4CodeScheme-4编码模式－4（21.4kbit/s）CTNCentralSwitchingNetworkBoard中央交换网板DDBDataBase数据库DBFDatabaseFile数据库文件DBMSDatabaseManagementSystem数据库管理系统DCDirectCurrent直流DCCHDedicatedControlChannel专用控制信道DCLDiagnosticControlLink诊断控制链路教育资料.DDNDigitalDataNetwork数字数据网DLDownlink下行链路DLCDataLinkConnection数据链路连接DLCEPDataLinkConnectionEndPoint数据链路连接端点DLCEPIDataLinkConnectionEndPointIdentifier数据链路连接端点标识DLCIDigitalLinkConnectionIdentity数据链路连接标识DNSDomainNameServer域名服务器DPCDestination(Signaling)PointCode目的信令点编码DRDBMSDistributedRelationalDBMS分布式关系数据库管理系统DRXDiscontinuousReception(mechanism)不连续接收DSCDownlinkSignalingfaultCount下行信令故障计数DSPDigitalSignalProcessor数字信号处理器DTAPDirectTransferApplicationPart直接传输应用部分DTMFDualToneMulti-frequency双音多频（收号器）DTXDiscontinuoustransmission(mechanism)不连续发送（机制）EE-AbisEnhancedAbis增强型AbisE3ME3Sub-Multiplexer增强型E1子复用设备EAEarlyAllocation预分配EACExternalAlarmCollection外部告警采集ECEmergencyCall紧急呼叫ECSCEarlyClassmarkSendingControl早期类标发送控制ECTExplicitCallTransfer显示呼叫转移EDUEnhancedDuplexerUnit增强型双工单元EFREnhancedfullratespeechcode增强型全速率语音编解码EIREquipmentIdentityRegister设备识别寄存器EMExtendedMeasurement扩展测量EMCElectromagneticCompatibility电磁兼容性ESTEstablishment建立ETSEuropeanTelecommunicationStandard欧洲电信标准ETSIEuropeanTelecommunicationStandardInstitute欧洲电信标准组织FFACCHFastAssociatedControlCHannel快速随路控制信道FBCPhotoelectricConversionBoard光电转换板FBIOpticalFiberInterfaceBoard光接口板FCCHFrequencyCorrectionCHannel频率校正信道FCSFrameCheckSequence帧校验序列FDMAFrequencyDivisionMultipleAccess频分多址FHFrequencyHopping跳频FIRFinityImpulsionResponse有限冲击响应FNFrameNumber帧号FPUFrameProcessingUnit帧处理单元教育资料.FRFrameRelay帧中继FTAMFileTransferAccessandmanipulation文件传输、接入及使用FTCFullRateTranscoder码变换板FTPFileTransferProtocol全速率码变换器FUCFrameUnitController帧单元控制器FULRadioSignalingLink无线信令链路GG-AbisGPRSAbisGPRSAbisGALMAlarmboard告警板GCKSClocksource时钟板GCTNCentralswitchingNetworkboard中心交换网板GEMAEmergencyMessageAutomaticTransmissionSystem双机倒换板GFBIFiberInterfaceboard光纤接口板GGSNGatewayGPRSSupportNode网关GPRS支持节点GLAPLAPDProtocolProcessboardLAPD协议处理板GMC2Inter-ModuleCommunicationboard模块通信板GMCCModuleCommunicationandControlboard模块通信控制板GMEMMemoryboard数据库接口板GMMGPRSMobilityManagementGPRS移动性管理GMPUMainProcessingUnit主处理单元GMSCGatewayMobileSwitchingCenter关口局GMSKGaussianMinimumShift-frequencyKeying高斯滤波最小移频键控GNETIntra-moduleswitchingnetworkboard交换网板GNODNodeCommunicationBoard节点通信板GOPTLocalOpticalInterfaceBoard光纤通信板GPRSGeneralPacketRadioService通用分组无线业务GPSGlobalPositionSystem全球定位系统GPWSGSMSecondaryPowerboard二次电源板GSM，GSM900，GSM1800GlobalSystemforMobilecommunications全球移动通信系统，900MHz的GSM系统，1800MHz的GSM系统GSNGPRSSupportNodeGPRS支持节点GSNTGSMSignalingSwitchingNetworkBoard信令交换网板GTGlobalTitle全局码GTPGPRSTunnellingProtocolGPRS隧道协议HHC/HYCOMHybridCombiner混合桥型合路器HCSHierarchicalCellStructure小区分层结构HDLCHighlevelDataLinkControl高级数据链路控制HDSLHighspeedDigitalSubscriberLine高速数字用户线HLRHomeLocationRegister归属位置寄存器HOHandover切换HPAHighmagnificationPowerAmplifierboard高增益功放板教育资料.HSCHotSwapController热倒换控制器HSNHoppingSequenceNumber跳频序列号HWHighway高速通路IIDIDentification/IDentity识别IECInternationalElectrotechnicalCommission国际电工委员会IMEIInternationalMobilestationEquipmentIdentity国际移动终端设备标识IMSIInternationalMobileStationIdentity国际移动用户识别码INDIndication指示IOMUiSiteOperationandMaintenanceUnit操作维护单元板IPInternetProtocol互联网协议ISDNIntegratedServicesDigitalNetwork综合业务数字网ISOInternationalStandardOrganization国际标准化组织ISRInterruptService中断服务程序ISUPIntegratedServicesDigitalNetworkUserPart/ISDNUserPart（七号信令之）ISDN用户部分ITUInternationalTelecommunicationUnion国际电信联盟ITU-TInternationalTelecommunicationUnion-TelecommunicationStandardizationSector国际电信联盟-电信标准部IWFInter-workingFunction互连功能J--KLL2MLLayer2ManagementLink层2管理链路L3MMLayer-3MobilityManagement层三移动管理LALocationArea位置区LACLocationAreaCode位置区码（LAC）LAILocationAreaIdentity位置区标识LAPLinkAccessProtocol协议处理板LAPDLinkAccessProtocolontheD-channelD信道上的链路访问协议LAPDMAILLAPDMailBoxLAPD邮箱LAPDmLinkAccessProtocolontheDmchannelDm信道上的链路访问协议LLCLogicalLinkControl逻辑链路控制LMTLocalMaintenanceTerminal本地维护终端LNALowNoiseAmplifier低噪声放大器LPN7CommonChannelSignalingProcessingBoard公共信道信令处理板MMAMobileAllocation移动台（频率）分配MACMediaAccessControl媒质接入控制MAIOMobileAllocationIndexOffset移动分配索引偏移教育资料.MAPMobileApplicationPart移动应用部分MBRMultibandReport多频报告MCCMobileCountryCode移动国家码MCKMainClocKboard主时钟板MCPMultipleCommunication-ProtocolProcessor多重通信协议处理器MDCMessageDiscrimination消息鉴别MDSLMediumBit-rateDigitalSubscriberLoop中速数字用户环线MDTMessageDistribution消息分配MEMobileEquipment移动设备MFUMicrocellFrameUnit微蜂窝帧处理单元MMMobilityManagement移动性管理MMUMultiplicationandManagementUnit复用管理单元MNCMobileNetworkCode移动网号MNSMobileNetworkSignaling移动网信令MRMeasurementResult测量结果MRMeasurementReport测量报告MRPMultipleReusePattern多重复用方式MRTMessageRouting消息路由MSMobileStation测量报告MSCMobileservicesSwitchingCentre,MobileSwitchingCentre移动交换中心MSISDNMobileStationInternationalISDNNumber移动台国际ISDN号码MSMMSCSubratechannelMultiplexerMSC侧子复用板MTMobileTerminal移动终端MTBFMeanTimeBetweenFailure平均无故障时间MTPMessageTransferPart消息传输部分NNCNetworkControl网络控制NCCNetworkColorCode网络色码NCHNotificationChannel通知信道NENetworkEquipment网络设备NMNetworkManagement网络管理NSNetworkService网络服务NSENetworkServiceEntity网络服务实体NSSNetworkSubSystem网络子系统OO&M,OMOperations&Maintenance操作与维护OACSOOffAirCallSetup不占用空中通道的呼叫启动OAMOperationAdministrationandMaintenance运行管理和维护OMAPOperationandMaintenanceApplicationPart操作维护应用部分OMCOperations&MaintenanceCentre操作维护中心OMLOperationandMaintenanceLink操作与维护链路OMUOperations&MaintenanceUnit(board)操作维护单元（板）教育资料.OOPObjectOrientedProgramming面向对象的程序设计OPCOriginatingPointCode源信令点编码OPTOpticInterfaceboard光纤通信板OSOperationSystem操作系统OSIOpenSystemInterconnection开放系统互连模型PPAPowerAmplifier功率放大器PAGCHPacketAccessGrantChannel分组接入允许信道PBCCHPacketBroadcastControlChannel分组广播控制信道PBGTPowerBudget功率预算PBUPowerBoostUnit功率增强单元PbPbInterfacePb接口PbSLPCU-BSCSignalingLinkPCU-BSC间信令链路PCCCHPacketCommonControlChannel分组公共控制信道PCHPagingCHannel寻呼信道PCICPacketCircuitIdentityCode分组电路标识码PCMPulse-CodeModulation脉冲编码调制PCUPacketControlUnit分组控制单元PDProtocolDiscrimination协议识别码PDCHPacketDataChannel分组数据信道PDHPlesiochronousDigitalHierarchy准同步数字系列PDNPacketDataNetwork分组数据网PDPPacketDataProtocol分组数据协议PDTCHPacketDataTrafficChannel分组业务数据信道PIPeripheralInterface外设接口部件PINPersonalIdentityNumber个人识别码PLLPhaseLockedLoop锁相环路PLMNPublicLandMobileNetwork公用陆地移动网络PMUPowerandEnvironmentMonitoringUnit电源环境监测板PNCHPacketNotificationChannel分组通知信道POMUPacketOperation&MaintenanceUnit分组操作维护单元PONPassiveOpticalNetwork无源光网络PPCHPacketPagingChannel分组寻呼信道PRACHPacketRandomAccessChannel分组随机接入信道PSDNPublicSwitchedDataNetwork公用数据交换网PSIPacketSystemInformation分组系统消息PSKPhaseShiftKeying相移键控PSTNPublicSwitchedTelephoneNetwork公用电话交换网PSUPowerSupplyUnit供电单元PTPenaltyTime惩罚时间PTCCHPacketTimingadvanceControlChannel分组定时提前控制信道PTMPointToMultipoint点到多点PTM-MPointToMultipointMulticast点对多点广播教育资料.PTM-SCPointtoMultipointServiceCenter点到多点数据服务中心PTPPointToPoint点对点PWCSecondaryPowerSupplyBoard电源控制板QQoSQualityofService业务质量RRACHRandomAccessChannel随机接入信道REReestablishment呼叫重建RFRadioFrequency射频RLCRadioLinkControl无线链路控制RLMRadioLinkManagement无线链路管理RPE-LTPRegularPulseExcitation-LongTermPrediction规则脉冲激励-长期预测RPPURadioPacketProcessUnit无线分组处理单元RRRadioResource无线资源RSARivest-Shamir-Adleman通用关键子密码方法RSLRadioSignalingLink无线信令链路RTERadioTestEquipment天线测试设备RXReceiver/Reception收信机/接收RXLEVReceivedsignallevel接收信号等级RXQUALReceivedSignalQuality接收信号质量SSABMSetAsynchronousBalancedMode置异步平衡模式SACCHSlowAssociatedControlChannel慢速随路控制信道SACCH/C4SlowAssociatedControlChannel/SDCCH/4慢速随路控制信道/SDCCH/4SACCH/C8SlowAssociatedControlCHannel/SDCCH/8慢速随路控制信道/SDCCH/8SACCH/TSlowAssociatedControlCHannel/Trafficchannel慢速随路控制信道/业务信道SACCH/TFSlowAssociatedControlChannel/TrafficchannelFullrate慢速随路控制信道/全速率业务信道SAPServiceAccessPoint服务接入点SAPIServiceAccessPointIdentifier业务接入点标识SCCPSignalingConnectionControlPart信令连接控制部分SCHSynchronizationCHannel同步信道SCMGSCCPManagementSCCP管理SCUSimplecombiningUnit简单合路单元SDCCHStand-aloneDedicatedControlCHannel独立专用控制信道SDHSynchronousDigitalHierarchy同步数字系列SDUServiceDataUnit业务数据单元SGSNServingGPRSSupportNode服务GPRS支持节点教育资料.SIDSilenceDescriptor静噪指示SIGSignaling信令SIMSubscriberIdentityModule用户识别卡SITESite站点SLMSignalingLinkManagement信令链路管理SLSSignalingLinkSelection信令链路选择码SMSub-MultiplexerInterface子复用板SM-SCShortMessage-ServiceCenter短消息中心SMBCBShortMessageServiceCellBroadcast短消息业务小区广播SMCShortMessageCenter短消息中心SMISub-MultiplexerInterface子复用板SMSShortMessageService短消息业务SMS-GMSCShortMessageService-GatewayMSC短消息关口MSCSMS-IWMSCShortMessageServiceInterworkingMSC短消息互联MSCSMSCBShortMessageServiceCellBroadcast短消息小区广播SMUXSub-Multiplexer子复用器SNDCPSubNetworkDependentconvergenceProtocol子网相关的收敛协议SORSupportOptimizationRouting支持优选路由SPSignalingPoint信令点SRMSignalingRouteManagement信令路由管理SSSupplementaryService补充业务SS7SignallingSystemNo.7七号信令SSNSubSystemNumber子系统号STMSignalingTrafficManagement信令业务管理STPSignalingTransferPoint信令转接点TTATimingAdvance定时提前量TAITimingAdvanceIndex时间提前量索引TBFTemporaryBlockFlow临时数据块流TCTranscoder码变换器TCHTrafficChannel业务信道TCH/FAfullrateTCH全速率业务信道TCH/F2.4AfullratedataTCH(2.4kbit/s)全速率数据业务信道（2.4kbit/s）TCH/F4.8AfullratedateTCH(4.8kbit/s)全速率数据业务信道（4.8kbit/s）TCH/F9.6AfullratedataTCH(9.6kbit/s)全速率数据业务信道（9.6kbit/s）TCH/FSAfullrateSpeechTCH全速率话音业务信道TCITerminalInterfaceboard终端接口板TCPTransmissionControlProtocol传输控制协议TCSMTransCoder&Sub-Multiplexer码变换与子复用单元TDMATimeDivisionMultipleAccess时分多址TETerminalEquipment终端设备TEITerminalEquipmentIdentifier终端设备识别码TESTransmissionExtensionpowerSupplyunit传输扩展供电单元教育资料.TEUTransmissionExtensionUnit传输扩展单元TFITransportFormatIndicator传输格式指示TFOTandemFreeOperation免汇接运营TLLITemporaryLinkLevelIdentity临时链路等级标识TMSCTandemMobileSwitchingCentre汇接移动交换中心TMSITemporaryMobileSubscriberIdentifier临时移动用户标识符TMUTiming/TransmissionandManagementUnit定时/传输管理单元TNTimeslotNumber时隙号TNITerminalNetworkInterface终端网络接口部件TOTemporaryOffset临时偏移TRAUTranscoder&RateAdaptationUnit码变换器/速率适配单元TRXTransceiver(board)收发信机TSTimeslot时隙TSCTrainingSequenceCode训练系列号(编码）TUPTelephoneUserPart(SS7)电话用户部分UUAUnnumberedAcknowledge无编号证实UDPUserDatagramProtocol用户数据报协议UDTUnitData单位数据UIUnnumberedInformation(frame)无编号信息帧Um空中接口USFUplinkStateFlag上行链路状态标识USSDUnstructuredSupplementaryServiceData非结构化补充业务数据VVADVoiceActivityDetection话音激活检测VBSVoiceBroadcastService话音广播呼叫业务VEAVeryEarlyAllocation很早分配VGCSVoiceGroupCallService话音组呼业务VLRVisitorLocationRegister拜访用户位置寄存器VMVoiceMailbox语音邮箱VSATVerySmallApertureTerminal甚小天线卫星地球站WWDTWatchdogTimer看门狗WSWorkstation操作台XxDSLxDigitalSubscriberLinex数字用户线Y教育资料.Z爱尔兰表：某基站站型为S4/4/4。每个小区均配置了29个TCH信道。假设呼损率为2%，每用户平均忙时话务量为0.025Erl，结合下面的爱尔兰B表，计算得该基站可以容纳多少个用户？（D）每小区载波数TCH数话务量（Erl）2%5%162.272.962148.29.7332114.0316.1842921.0323.8253627.3330.65A、2493B、2503C、2513D、2523教育资料.单板英文简称单板名称GMCC模块间通信控制板GSNT信令交换网板GCTN中心交换网板GALM告警板E3M增强型E1子复用设备GFBI光纤接口板GMPU主处理单元GNET交换网板GNOD节点控制板GEMA双机倒换板LPN7七号信令处理板GLAPLAPD协议处理板GMC2双链路模块通信板GOPT光纤接口板GMEM数据库接口板CKV时钟驱动板教育资料.MSMMSC侧子复用板FTC码变换板BIE基站接口设备板SMI子复用板GCKS时钟板PWC电源控制板GPWS二次电源板TCI终端接口板-教育资料',)