ERICSSON英文缩写查询AbisGSMinterfacestandarddefiningattributesofthecommunicationbetweenBSCandBTS. GSM接口标准：定义BSC与BTS之间的通讯属性
ACAlternatingCurrent交流电
ACBAlarmCollectionBoard告警收集板
ACCHAssociatedControlChannel相关控制信道ACCUAlternatingCurrentConnectionUnit交流电接线单元
A/DconverterAnalogtoDigitalconverter模数转换器AGCHAccessGrantChannel接入准许信道
Airconditioner(Activecooler)Oneversionoftheclimateunit.（有源冷却器）空调设备AISAlarmIndicationSignal告警指示信号
ALNAAntennaLowNoiseAmplifier天线低噪放大器
AMApplicationModule应用模块
AMPSAdvancedMobilePhonesystem高级移动电话系统
AntennaDiversity天线分极接收
AdaptiveEqualizati适应性均衡
AOApplicationObject应用对象
AocAdviceOfCharge计费通知
APSIApplicationPlatformServicesInterface应用平台业务接口ARAEAntennaRelatedAuxiliaryEquipment天线相关辅助设备
VKa3S:Architecture
体系结构
ARFCNAbsoluteRadioFrequencyChannelNumber绝对无线电频率信道数
ARUActiveReplaceableUnit有源可替换单元ASICApplicationSpecificIntegratedCircuit特定用途集成电路AstraASICintheTRUTRU中的一种特定用途集成电路ATAlphanumericTerminal文字数字终端
AUCAuthenticationCenter鉴权中心
BatBattery电池
BBBatteryBox电池（组）箱
BBSBatteryBackupStand电池备份架
m9`6G`:A2U7u X BCCBTSColorCodeBTS 色码
BCHBroadcastChannel广播信道
BCCHBroadcastControlChannel广播控制信道Downlinkonlybroadcastchannelforbroadcastofgeneralinformationatabasestation,onabasestationbasis. BDMBatteryDistributionModule电池分配模块TheBDMisanIDMwithabatteryandalocalprocessor.
BERBitErrorRate比特误差率
BFUBatteryFuseUnit电池保险单元
BHCABusyHourCallAttempt忙时试呼次数
BGWBillingGateway计费关口BmDenotesafullratetrafficchannel指示一个全速率话务信道
BPCBasicPhysicalChannel基础物理信道Denotestheairinterfacetransportvehicleformedbyrepetitionofonetimesloton oneormoreradiofrequencychannels.
BSBaseStation基站
BSCBaseStationController基站控制器GSMnetworknodeforcontrolofoneormoreBTSs. BSCSimBaseStationControllerSimulator基站控制器模拟器BSICBaseStationIdentityCode基站身份码BSSBaseStationSubSystem基站子系统GSMnetworklogicalunitcomprisingoneBSCandoneormoreBTSs. BTSBaseTransceiverStation基站收发信台GSMnetworkunitoperatingonasetofradiofrequencychannelsinonecell. BurstAportionofdigitalinformation,thephysicalcontent,
thatistransferredwithinthetimeintervalofonetimeslot.
Burst脉冲Aportionofdigitalinformation,thephysicalcontent, thatistransferredwithinthetimeintervalofonetimeslot.
数字信息的一部分，在一个时隙的时间间隔传输物理内容
N M+ BusyMode 忙模式
CabinetThephysicalhousingofabasestation.一个基站的物理机架CBCHCellBroadcastChannel小区广播信道ThisisadownlinkonlychannelusedbytheGSMdefinedSMSCBfunction.
E/W `E
| [ f/CCCountryCode 国家代码
CCCHCommonControlChannel公共控制信道Channelcombiningthefollowingcommoncontrolchannels:
PCHPagingChannel
RACHRandomAccessChannel
AGCHAccessGrantChannel
CCITTInternationalTelephoneandTelegraphConsultativeCommittee国际电话与电报顾问委员会
CCUClimateControlUnit气候控制单元
CCSCommonChannelSignalingSubsystem共路信令子系统
CDMACodeDivisionMultipleAccess码分多路接入
CDRChargingDataRecording计费数据记录
CallDataRecord呼叫数据记录
CDUCombiningandDistributionUnit合成分频单元
CEConformite´Europe´enne
Cell小区AnareaofradiocoverageidentifiedbytheGSMnetwork
bymeansofthecellidentity.
CFCentralFunctions主函数
ChannelThecommontermchanneldenotesthevirtualconnection, consistingofphysicalandlogicalchannelsbetweenBSSandMS,
duringacallinprogress.->LogicalChannel->PhysicalChannel CFBCallForwardingOnMobileSubscriberBusy遇忙呼转
CFUCallForwardingUnconditional无条件呼转
ChannelCoding信道编码
ChannelCombinati
Aphysicalchannelonanairinterface
carriesadefinedsetoflogicalchannels.
在空气中携带一组定义了逻辑信道的物理信道
ChannelDecoder信道解码器ChannelgroupAchannelgroupisagroupofdedicatedlogicalchannelstoaspecificMS.
一信道组是手机专用的一组逻辑信道
CHSChargingSubsystem计费子系统
CGICellGlobalIdentity小区全球识别码
Ciphering加密
CLMClockModules时钟模块
CMDDigitalRadioCommunicationTester数字式无线电通讯测试器
CME20CellularMobileEuropeEricssonGSMsystem欧洲爱立信GSM蜂窝移动通讯系统
\-CME20Ericssondigitallandmobiletelecommunicationsystem
basedontheGSMstandards.$? `2lmFG
\-CME201EricssonGSMsystemcomprisingEricssonequipmentonly.
CMRUCentralMainReplaceableUnit.MainRU. TheRBSisphysicallyconnectedtotheBaseStationController(BSC)viatheCMRU.'scQ jyS5Ll)R ThereisonlyoneCMRUineachRBS.中央主替换单元
CMS40CellularMobileSystemEricssondigitallandmobiletelecommunication systembasedontheJointTechnicalCommittee(JTC)specificationforPCS1900.
ComprCompressor压缩机
CONLAPDconcentratorD信道链路接入程序集中器LAPDconcentrationisusedtoreducethenumberofrequiredphysicallinks
betweentheBSCandBTS.
D信道链路接入程序集中器用来减少BSC与BTS之间的物理链接
ConfigConfiguration配置6A/Sa$DU9S Y
Co-sitingCo-sitingistooperatetheradiobasestationinGSMtogetherwiththeradio basestationinTotalAccessCommunication
System(TACS)orNordicMobileTelephonesystem(NMT)onthesamesite bysharingcommonequipment.
CPUCentralProcessingUnit中央处理器
CSACanadianStandardsAssociation加拿大标准协会CSESConsecutiveSeverelyErroredSecond
CSUChannelServiceUnit信道服务单元
CUCombiningUnit(RUinCDU_D)合成器
CUGClosedUserGroup闭合用户组
CWCallWaiting呼叫等待
DADigitalAnalysis号码分析
DannieASICintheTRU
DBDataBase数据库
DCDirectCurrent直流电
DCCDigitalCrossConnector数字式十字形连接器
DCCHDedicatedControlChannel专用控制信道Dedicatedcontrolchannelscarrysignallingdata.专用控制信道携带信号数据DCEDataCommunicationEntity数据通信实体
DCSDigitalCommunicationSystemInternationalstandardfor1800MHzbasedontheGSMstandard.
数据通信子系统。为1800MHzGSM制定的数字通讯系统国际标准
DDTMADualDuplexerTowerMountedAmplifierThistypeneedsonlyonecombinedTX/RXfeeder fromtheBTStotheTMA.–>DTMA–>RTMA–>TMA–>BTS
DIPDIgitalPath数字通道ThenameofthefunctionusedforsupervisionoftheconnectedPCMlines.
DixieASICintheTRU
DMDegradedMinute下降边缘
DMRUDistributedMainReplaceableUnit.分布式主替换单元_5Pc!_ar~7s N"E IfaMainRUissubordinatedtotheCMRU,itissaidtobedistributed.
DownlinkSignallingdirection,fromthesystemtotheMS.信号传输的方向，从系统到手机DPDigitalPath数字路径
DPXDuplexer双工器
DS1DigitalSignallevel1(1544kbit/s)数字信号层1
DSPDigitalSignalProcessor数字信号处理器
DTDataTranscript数据副本
DTEDataTerminalEntity数据终端实体
DTMADuplexTMA双工塔放DTMAissimilartotheoldALNAexceptfordifferentcharacteristics.
–>DDTMA–>RTMA–>TMA
DUDistributionUnit(RUinCDU_D)分频器
DuplexDistance双工间距
DXDirectExchange直接交换
DXUDistributionSwitchUnit信号分配转换单元-H5u3mU+v YF DXXEricssonCellularTransmissionSystemincludingNMS爱立信蜂窝传输系统
E1ShortforG.7032048kbit/sPCMlink
E-GSMExtendedGSM扩展GSM
EACUExternalAlarmConnectionUnit外部告警连接单元
ECUEnergyControlUnit能源控制单元
ECPOOL回声抑制器池
EC1ExternalConditionMapClass11级外部条件
y-DF1{EC2ExternalConditionMapClass22级外部条件
EEPROMElectricallyErasableProgrammableRead-OnlyMemory电可擦除只读存储器EFRSpeechCoderEnhancedFullRateSpeechCoder增强型全速率话音编码器EIREquipmentIdentityRegister设备鉴别寄存器
EMExtensionModules扩展模块
EMCElectroMagneticCompatibility电磁兼容性
EMFElectroMotiveForce电动势
ENVEnvironmental环境7E W%EGB]#\ ESErroredSecond误差片
ESBExternalSynchronizationBus外同步总线
ESDElectroStaticDischarge放电
ESOEricssonSupportOffice爱立信支持办事处
ETCExchangeTerminalCircuit交换机终端电路
ETSI欧洲电信标准协会
EXTExternal外部
FACCHFastAssociatedControlChannel快速相关控制信道MainsignallingchannelinassociationwithaTCH.
FadingDi
FCCFederalCommunicationsCommission美国通信委员会FCCHFrequencyCorrectionChannel频率校正信道
FCOMBFilterCOMBiner滤波合成器
FCSFrameCheckSequence帧校验序列
FCUFanControlUnit风扇控制器 eWc7Z1N(rI FDLFacilityDataLink简易数据链路
FDMAFrequencyDivisionMultipleAccess频分多路接入
/] F; FERFrameErasureRatio 掉帧率
FIUFanInterfaceUnit风扇接口单元FMSFileManagementSubsystem文件管理子系统FrequencyHopping跳频FSFunctionSpecification功能说明
FSCFieldSupportCentre磁场激励支持中心
FUFilterUnit(RUinCDU_D)滤波器8\ zYI-mR_;e FudFilterUnitwithduplexer(RUinCDU_D)双工滤波器
FXUFutureExpansionUnit预留扩展单元
G01MOmodelforRBS200.
G12MOmodelforRBS2000.
GMSKGaussianMinimumShiftKeying高斯最小频移键控
GPSGlobalPositionSystem全球定位系统GSMGlobalSystemforMobilecommunicationsInternationalstandardfor
aTDMAdigitalmobilecommunicationsystem.
Originally,GSMwasanabbreviationforGroupSpecialMobile, whichisaEuropeanmobilelecommunicationinterestgroup,establishedin1982.
全球移动通信系统
GSSGroupSwitchingSubsystem群交换子系统#Oi$@B-LhzyN fg GUIGraphicalUserInterface图形用户界面
HCOMBHybridCOMBiner混合合成器
HDLCHighlevelDataLinkControl高级数据链路控制HDSLHighbitrateDigitalSubscriberLine高速率数字用户线路HeatExchangerOneversionoftheclimateunit散热器
HEUHeatExchangerUnit热交换器
HLINHighLevelIN高电平输入
HLOUTHighLevelOUT高电平输出
HLRHOMELOCATIONREGISTER归属位置寄存器HMSHeatManagementSystem热管理系统
HSNHoppingSequenceNumber跳频序列号
HumHumidity温湿度
HWHardware硬件
HWUHardwareUnit硬件单元
AnHWUconsistsofoneormoreSEs.AnHWUisafunctionalunitwithintheRBS. TheHWUiseitheractive(equippedwithaprocessor)
orpassive(withoutprocessor).
ICIntegratedCircuit集成电路
IDIdentification身份识别
IDBInstallationDataBase安装数据库
IDMInternalDistributionModule内部分配模块IECInternationalElectricCommission国际电工委员会
IMEIInternationalMobileStationEquipmentIdentity国际移动台设备识别码
IMSIInternationalMobileSubscriberIdentity国际移动用户身份识别码INIntelligentNetworks智能网2ip }5ttY7}7T INITInitial首写字母
/KL d.A INTInternal 内部4f7{ fy"lb1k
I/OInput/Output(I/O)System输入/输出系统
IRInfraRed红外线
ISInterfaceSwitch接口开关
ISDNIntegratedServicesDigitalNetwork,综合服务数字网
ISPInternet服务提供者
IWDInterWorkDescription交互属性
IWFInterworkingFunction交互工作功能
I1AInternalFaultMapClass1A1A级内部故障
I1BInternalFaultMapClass1B1B级内部故障9~9h9r$h If5K
I2AInternalFaultMapClass2A2A级内部故障
JTCJointTechnicalCommittee联合技术委员会
KcCommunicationKey通信密钥
KiIdentityKey身份密钥
LALocationArea位置区
LACLocationAreaCode位置区代码
LAILocationAreaIdentity位置区编号
LAPDLinkAccessProceduresonD-channelD信道链路接入程序
LAPDisthedatalinklayer(layer2)protocolusedforcommunication betweentheBSCandtheBTSontheAbisinterface.
Abislayer2issometimesusedsynonymouslywithLAPD.
LBOLineBuildOut线增益
LEDLightEmittingDiode发光二极管
LLBLineLoopBack环线背板
LNALowNoiseAmplifier低噪放大器
@ q LocalbusThelocalbusofferscommunication
在DXU和TRU\ECU之间提供通讯的局域总线
betweenacentralmainRU(DXU)anddistributedmainRUs(TRUandECU). LocalmodeWhentheRUisinRUmodeLocalitisnotpreparedforBSCcommunication.
本地模式
Local/RemoteswitchUsingtheLocal/Remoteswitch, anoperatororderstheRUtoenterLocalorRemotemode.本地/远端开关!Zje L+RV#Y9W LogicalChannelAlogicalchannelrepresentsaspecifiedportionoftheinformationcarryingcapacityofaphysicalchannel.
GSMdefinestwomajorcategoriesoflogicalchannels:TCHsTrafficCHannels, forspeechoruserdataCCHsControlCHannels,forcontrolsignalling.
->PhysicalChannel->ChannelCombination LogicalRUAunitwhichcanbereferredto,butisnotasinglephysicalunit.
TherearethreedifferentkindsoflogicalRUs:
1.Buses
2.Antennas
3.Environment
F oa
G LOFLossOfFrame 帧损耗
LOSLossOfSignal信号损耗
LSLinkset链路集
MagazineAmagazineisareservedspaceinthecabinet,whichmayholdoneormoreRUs.
k` j MainRUAmainreplaceableunitisareplaceableunitthatcontainsoneormoreprocessors, towhichsoftwarecanbedownloadedfromtheBSC.
MAPMobileApplicationPart移动应用部分
Mapping映射
MASMaintenanceSubsystem维护子系统
MCCMobileCountryCode国家移动代码
MCSMan-MachineCommunicationSubsystem人机通信子系统
MHSModificationHandlingSystemEricssontroublereportdatabase n}L9n-j 修正处理系统爱立信故障报告数据库
MINMobileIN移动智能网
MMIMan-MachineInterface人机界面
MOManagedObject管理对象
MSMobileStation移动台
MSCMobileservicesSwitchingCentre移动服务交换中心
GSMnetworkunitforswitching, routingandcontrollingcallstoandfromthePublicSwitchedTelephoneNetwork(PSTN)andothernetworks. MSINMobileSubscriberIdentificationNumber移动用户识别号
MSISDNMobileSubscriberISDNNumber移动用户ISDN号MSRNMobileStationRoamingNumber移动台漫游号
MSTPMobileStationTestPoint移动台测试点
MTPMessageTransferPart消息传送部分MultidropTwoormoreRBSsareconnectedinachaintothesametransmissionsystem.
两个或更多的基站被连接到同一条传输系统上AlltherelevanttimeslotsaredroppedoutbyeachRBS. (Thisfunctionissometimecalledcascading.)
MultipathFading多径衰落
NASNetworkAccessServer接入服务器
NDCNationalDestinationCode国内目的码
NMCNetworkManagementCenter网络管理中心NMSEricssonNetworkManagementSysteminDXX在DXX中的爱立信网管系统NominalPowerThenominalpoweristhepowerleveldefinedwhenconfiguringthetransceiver.
标称功率
标称功率是当配置收发器时定义的功率电平
NSNetworkSynchronization网同步1p5p:}B,E zh+h
NSSNetwork&SwitchingSubsystem网络和交换子系统u^#A%d F,NCa NterminalNeutralterminalinaACmainsconnection.
在交流干线接线中的零线（中性接线端）
O&MOperationandMaintenance操作和维护Generaltermforactivitiessuchasconfiguration,
utilizationofchannels(frequencybands),cellplanning,stemsupervision, hardwareandsoftwaremaintenance,subscriberadministration,etc. OMCOperationandMaintenanceCentre操作和维护中心
OMLOperationandMaintenanceLinkLayer2communicationlinkforoperation andmaintenanceservicesonAbis.
操作和维护连接层
2
OMSOperationAndMaintenanceSubsystem操作和维护子系统
OMTOperationandMaintenanceTerminal操作和维护终端TheOMTisaterminalthatsupportsfunctionsforhandlingtheRBSonsite. TheterminalcanbeaportablePC.
OperationOperationisthenormal,everydayrunningoftheRBSwithfullfunctionality.
运转正常，日常基站运行所有的函数
OPIOPerationalInstructions操作手册
OSIOpenSystemInterconnection开放系统互连OSSOperationMaintenanceSupportSystem运行维护支持系统5` vv_+ PAGCHPagingAndAccessGrantChannel寻呼和接入准许信道
PagingMessage寻呼消息
P-GSMPrimaryGSM PassiveRUApassivereplaceableunithasaverylowlevelofintelligence
andisindepe
PathLoss路径损耗
PCHPagingCHannel
DownlinkonlysubchannelofCCCHforsystempagingofMSs.->CCCH
PCMPulseCodeModulation脉冲调制编码s.T!j/K Gin5{%w
PCSPersonalCommunicationServices个人通信服务
PCUPacketControlUnit信息包控制单元PEterminalProtectiveEarthterminalinaACmainsconnection.
在交流主干
PFWDPowerForward前向功率
PhysicalChannel物理信道Anairinterfacephysicalchannelcarriesoneormorelogicalchannels. Aphysicalchannelusesacombinationoffrequencyandtimedivisionmultiplexingandisdefinedasasequenceofradiofrequencyc hannelsandtimeslots.
->TDMAframe->Logicalchannel
PINPersonalIdentificationNumber个人身份号码
PLBPayloadLoopBack有效负载环路板
PLMNPublicLandMobileNetwork公众陆地移动网
Anetwork,establishedandoperatedbyanadministrationoritslicensedoperator(s), forthespecificpurposeofprovidinglandmobilecommunicationservicestothepublic. Itprovidescommunicationpossibilitiesformobileusers.
Forcomunicationbetweenmobileandfixedusers,
interworkingwithafixednetworkisnecessary.
Plug-In插件程序/可拆卸的
PPEPersonalProtectiveEquipment专用保护设备
PREFLPowerReflected反向功率
Protocol协议n)h Of8f\
U+L ?,yv PSTN(PublicSwitchedTelephoneNetwork 公共开关电话网络
PSUPowerSupplyUnit电源单元
PUKPIN解锁码
PWUPowerUnit电源单元
RARouteAnalysis路由分析
RateAdaptation(RA)速率适配
RACHRandomAccessChannel随机接入信道UplinkonlysubchannelofCCCHforMSrequestforallocationofadedicatedchannel.->CCCH RAIRemoteAlarmIndication远端告警指示
RAMRandomAccessMemory随机存储器
RayleighFading瑞利衰落8v}Z kx
RBERRadioBitErrorRatio无线比特误差率
RBSRadioBaseStation无线基站
AllequipmentformingoneormoreEricssonbasestations.->BTS
RERegisterFunction寄存器功能
RemotemodeWhentheRUisinRUmodeRemote,alinkisestablishedbetweentheBCSandthecentralmainRU.远端模式A7p v7{ taO
RFRadioFrequency射频
RFCHRadioFrequencyChannel射频信道Aradiofrequencycarrierwithitsassociatedbandwidth.
RFTLRadioFrequencyTestLoop射频测试回路
RLCRepairLogisticCentre维修中心
RMPResourceModulePlatform资源模块平台
Roaming漫游
RPRegionalProcessors局域处理器
RPSRegionalProcessorSubsystem局域处理器子系统
R-stateReleasestate释放状态
RTMAReceiverTMA接收塔放
RTMAhasnoduplexers.ItisusedforamplificationoftheRXsignal.–>DDTMA–>DTMA–>TMA
RUReplaceableUnit可替换单元
AnRUconsistsofoneormoreHWUs.AnRUmaybereplacedbyanotherRUofthesametype.TheRUisthesmallestunitthatcanbeh andledonsite.
RXReceiver接收器
RXAReceiverantennabranchA接收天线支路A
RXBReceiverantennabranchB接收天线支路B q'i7Z7M'B
RXDReceiverDivider接收器分频
RXDAReceiverDividerAmplifier接收器分频放大
RXLEVMeasureofsignalstrengthasdefinedinGSM05.08:8.1.4
RXQUALMeasureofsignalqualityasdefinedinGSM05.08:8.2.4
SACCHSlowAssociatedControlChannel慢速相关控制信道
SCHSynchronizationChannel同步信道
SCCPSignallingConnectionControlPart信令连接控制部分
SCPServiceControlPoint业务控制节点
SDCCHStandaloneDedicatedControlChannel独立专用控制信道Maindedicatedsignallingchannelontheairinterface,
mainlyusedforcalllocatingandestablishment.
SESupervisedEntity
SESSeverelyErroredSecond
Shadowing阴影效应
SignalingTerminal信令终端
用户识别模块
NuE D SIMSubscriberIdentityModule
SMPServiceManagementPoint业务管理节点
SMSShortMessageService(pointtopoint)短信服务（点对点）
Ashortmessage,upto160alphanumericcharacterslong,
canbesenttoorfromanMS(pointtopoint).
SOServiceObject服务对象
SpeechCoder语音编码器
SPMSpaceSwitchModule空分模块
SPSSupportProcessorSubsystem支持处理器子系统
SSSwedishStandard瑞典标准
SS7SignallingSystrmNo.7七号信令系统
SSPServiceSupportPoint业务支持节点
STSStatisticAndTrafficMeasurementSubsystem统计和话务测量子系统
SubRUAsub-replaceableunitisalwaysconnectedtoasuperiorMainRU.
{ Kz ThisconnectionisusedforexampleforretrievaloftheRUidentity.
Asub-RUnormallydoesnothaveaprocessor. NotethatanRUwithaprocessorthatisnotloadableisclassifiedasasub-RU.
SupplementaryServi
附加业务
SVSSystemVoltageSensor系统电压传感器
SWSoftware软件
SWRStandingWaveRatio驻波比
SYNCSynchronous同步
T1TransmissionfacilityforDS1(1544kbit/s).数字信号层1输电线
TATimingAdvance
AsignalsentbytheBTStotheMSwhichtheMSusestoadvance itstimingoftransmissionstotheBTStocompensateforpropagationdelay. TACHTrafficAndAssociatedChannel业务和相关信道TACSTotalAccessCommunicationSystem全接入通信系统8J,b tprJux TCHTrafficChannel话务信道Thetrafficchannelscarryeitherencodedspeechoruserdata.
TCSTrafficControlSubsystem话务控制子系统
TDMATimeDivisionMultipleAccess时分多址访问Multiplexingofseveralchannelsinacommonfrequencyband. Eachchannelisassignedacertaintimedivision,atimeslot.
TDMAframeGSMairinterfacetimeframecomprisingeighttimeslots.一个TDMA时帧包含8个时隙 TDRTimeDomainReflectometer
TEITerminalEndpointIdentifier终端设备终点识别码TEIisanidentificationcodecarriedbyaLAPDframe asaterminalconnectionendpointwithinaServiceAccessPoint(SAP). TEMSTEstMobileStation测试移动台（测试手机）
TFTimingFunction计时函数
TGTransceiverGroup收发信组TimingbusThetimingbuscarriesairtiminginformationfromthetimingunitintheDXUtotheTRUs. TMTransportModuleTheTransportmoduleisnon-RBSequipment belongingtothetransportnetwork.
TMATowerMountedAmplifier安装在塔上的放大器（塔放）TherearethreetypesofTMAs:DTMA,RTMAandDDTMA.–>DTMA–>RTMA–>DDTMA TMSITemporaryMobileSubscriberIdentity临时移动用户识别码
TNTimeslotNumber时隙码
TNO&MTransportNetworkoperationandMaintenance(ingeneral).
ToraASICintheTRU
TRATranscoderRateAdapter编码转换速率适配器TheTRAUnitperformstranscodingofspeechinformation andrateadaptionofdatainformation."y{(Kk yj%Y
O-O|x
TracyASICintheTRU
TRAU速率适配单元
TRCTranscoderController编码转换控制器
TRHTransceiverHandler收发信处理机m q@fR TRSTransceiverSystem收发器系统
TRUTransceiverUnit收发单元
TRXCTransceiverController收发控制器
TSTimeSlot时隙
A0.577msperiod(TDMAframesubunit)correspondingto156.25rawbitsofinformation.
TheeighttimeslotsofeachTDMAframearenumbered0...7.->Burst TSMTimeSwitchModule时分模块
TSSTrunkAndSignalingSubsystem中继和信令子系统
TTTotalTime总时间
TollTicketing详细话单
TUTimingUnit计时单
元
TXTransmitter发射机
TXATransmitterAntennaA发射天线A
TXBTransmitterAntennaB发射天线B
TXBPTransmitterBand-Passfilter发射带通滤波器
UASUnavailableSeconds无效时间
片
ULUnderwrithers'Laboratories(美国)保险商实验所
Uplink上行链路Signallingdirection,fromtheMStothesystem.
信号传输的方向。从移动台（手机）到系统的方向
UPSUninterruptedPowerSupply不间断电源
VCOVoltageControlledOscillator电压控制振荡器
~\8G3o xHY VSWRVoltageStandingWaveRatioRFsignalmeasure. Thequotientbetweentransmittedandreflectedpower.
测量射频信号电压的驻波比。发射信号与反射信号功率的比值XbusTheXbuscarriestransmitairdataframesbetweentransceivers. Thisisusedforbasebandfrequencyhopping.
X总线携带