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3.1kHzAudio(ExternaltothePLMN)3.1kHz音频3.1kHzAudioExPLMN4-levelFrequencyModulation四电平调频4-levelFMa-lawA律A.G.Cattacktime自动增益控制启动时间AbbreviatedDiallingNumber缩位拨号号码ADNAbisInterfaceBSC与BTS之间的接口AbisAbortFrame中止帧(n.)Absentsubscriberservice用户缺席服务AbsolutePhaseShiftKeying绝对相移键控APSKAbstractSyntaxNotationOne抽象语法编码1ASN.1AcceptableCell可接受小区AccessBurst接入突发(脉冲序列)ABAccesschannel接入信道Accessdelay接入延迟、接入时延Accessgrant允许接入AccessGrantChannel接入允许信道AGCHAccessPointName接入点名APNAccumulatedCallMeter累计呼叫计次器ACMaccumulatedcharge累积话费AcknowledgeStateVariable确认状态变量(n.)Acknowledgedinformationtransfermode证实信息传送方式ACKnowledgement确认ACKAcknowledgment确认ACMMaximumvalue累计呼叫计次器最大值ACMMActionIndicator动作指示符AIActivateSS(MAP/I)激活SS(MAP/I)Activation(ofservice)（业务）激活activeantenna有源天线、激励天线adaptationlayer适配层adaptiveantenna自适应天线AdaptiveDifferentialPulseCodeModulation自适应差分脉码调制ADPCMadaptiveterminal自适应终端、适配终端AddressCompleteMessage地址全消息ACMAddressIncompletesignal地址不全信号ADIAddresstranslation地址翻译、地址转换Address-recognizedbit地址已确认比特AbitAddressingscheme寻址方案Adjacentcell相邻蜂窝、相邻小区Adjacent-channelinterference相邻信道干扰、邻道干扰Adjacent-channelpower邻道功率Adjunctunit附属单元Administrationcosts管理费用AdministrationModule/CommunicationModule管理/通信模块AM/CMAdvancedHandoverAlgorithms高级切换算法AHAAdvancedMobilePhoneSystem高级移动电话系统AMPSAdvancedMobilePhoneSystem-Digital数字式AMPS系统AMPS-DAdviceofCharge计费通知AoCAeronauticalMobileService航空移动业务AMSAeronauticalEarthStation航空地球站AESaeronauticalmobile-satelliteservice卫星航空移动业务aeronauticalstation航空电台AggressiveFrequencyReusePattern(AFR)更紧密频率复用方式AFRAirinterface空中接口AircraftEarthStation航空器地球站AESAircraftstation航空器电台Alarmgeneration告警发生Alarmseverity告警程度Alertservice闹钟服务ALERTINGindication振铃指示ALERTINGmessage振铃消息AlgorithmA3A3鉴权算法A3AlgorithmA5A5鉴权算法A5AlgorithmA8A8鉴权算法A8All-channelantenna全频道天线All-weatherservice全天候服务Allocation(ofafrequencyband)（频带的）划分AllowablePLMN允许PLMNAlphanumeric字母数字的AlternateMarkInversioncode传号交替反转码AMIAlternateSpeech/Data话音/数据交替业务Alternatespeech/facsimileG3话音/3类传真交替业务AlternatingCurrentUnit交流配电单元ACUAmateurservice业余业务AmericanNationalStandardsInstitute美国国家标准协会ANSIAmericanStandardCodeforInformationInterchange美国信息交换标准码ASCIIAmountofdatatraffic数据业务量AmplitudeCompandoredSSB幅度压扩单边带ACSBAmplitudePhaseKeying幅相键控APKAmplitudeShiftKeying振幅键控ASKAnalogDigitConverter模数转换器ADCAnalog/Digit模/数A/DAnnouncement通知音AnonymousAccess匿名接入AAAnswerSignal,Charge应答信号,计费ANCAnswerSignal,Nocharge应答信号,免费ANNAnswerSignal,Unqualified应答信号,计费未说明ANUAnswerphone自动录音电话、自动应答电话Antennaautomatictuning天线自动调谐AntennaCombiner天线合路器ACOMAntennafeeder天馈线Antennamatchingdevice天线匹配装置、天线调谐器AntennaPattern天线方向性图,天线辐射图APAntennapowerrating天线额定功率Antennavoltagerating天线额定电压Anti-interferenceantenna抗干扰天线APCwithadaptivebitallocation具有自适应比特分配的自适应预测编码APC-ABApplicationContext应用上下文ACApplicationEntity应用实体AEApplicationServiceElement应用服务元素ASEApplicationSoftwarePackage应用软件包ASPAssignedband指配频带Assignedfrequency指配频率Assignment(ofafrequencyorchannel)（频率或信道的）指配Assignmentcommand指配命令AssignmentComplete指配完成Assignmentfailure指配失败Assignmentrequest指配请求AssociatedControlServiceElement相关控制业务单元ACSEAsynchronousBalancedMode异步平衡模式ABMAsynchronousDisconnectedMode异步拆线模式ADMAsynchronousTransferMode异步传输模式、异步转移模式ATMATMAdaptationLayer5ATM适配层5AAL5ATMAdaptationLayertype2ATM适配层2AAL2Attach附着AttachRequestmessage附着请求消息Audio-frequencyload音频负载Authenticationcapability鉴权能力AuthenticationCenter鉴权中心AuCAuthenticationfailuretone鉴权失败音AutomaticfacsimileG3自动3类传真业务Automaticfaultdetection自动故障检测Automaticfaultisolation自动故障隔离AutomaticFrequencyControl自动频率控制AFCAutomaticfrequencyfinecontrolpull-inrange自动频率微调捕捉范围Automaticfrequencyfinecontrolresidualerror自动频率微调剩余误差AutomaticGainControl自动增益控制AGCAutomaticPowerControl自动功率控制APCAutomaticRepeatRequest自动重发请求ARQAutomaticTransmitterIdentification自动发射机识别ATIAutomaticVehicleLocation自动车辆定位AVLBackAdministrationModule后管理模块BAMBackboneBearer骨干承载电路BBBackwardSetupMessage后向建立信号BSMBadFrameIndication坏帧标志BFIBarringcondition闭锁条件BarringofAllIncomingCalls禁止所有入局呼叫BAICBarringofAllOutgoingCalls禁止所有出局呼叫BAOCBarringofincomingcalls闭锁呼入，闭锁入呼叫BarringofIncomingCallsWhenRoamingOutsideHomePLMNCountry当漫游出归属PLMN国家后,闭锁入局呼叫BIC-RoamBarringofoutgoingcalls闭锁呼出，闭锁出呼叫BarringofOutgoingInternationalCalls禁止国际出局呼叫BOICBarringofOutgoingInternationalCallsexceptthosedirectedtotheHomePLMNCountry禁止所有除归属国PLMN外的国际出局呼叫BOIC-exHCBarringprogram闭锁程序BasestationColourCode基站色码BCCBaseStationIdentityCode基站识别码BSICBaseStationInterfaceAdaptation基站接口适配BSIABaseStationInterfaceEquipment基站接口设备BIEBaseStationSubsystem基站子系统BSSBaseStationSubsystemApplicationPart基站子系统应用部分BSSAPBaseStationSubsystemGPRSProtocol基站子系统GPRS协议BSSGPBaseStationSubsystemManagementApplicationPart基站子系统应用管理部分BSSMAPBaseStationSubsystemOperationandMaintenanceApplicationPart基站子系统操作与维护应用部分BSSOMAPBaseTransceiverStationManagementBTS管理BTSMBaseband基带BasebandProcessingUnit基带处理单元BPUBasebandtransmission基带传输Basiccabinet(group)主机柜（组）BasicCallManager基本呼叫管理BCMBasicCallStateModule基本呼叫状态模式BCSMBasicconnection-orientedservice基本面向连接类业务basicconnectionlessservice基本无连接类业务BasicInputOutputSystem基本输入输出系统BIOSBasicInter-MSCHandover基础MSC间切换BasicModule基本模块BMBasicpacketaccess基本分组接入Basicservice(group)基本业务