通信技術(shù)題庫-GSM小區(qū)參數(shù)

FILENAMEGSM_____

縮寫英文原意中文解釋AA3-鑒權(quán)算法A3A38-一個(gè)實(shí)現(xiàn)A3和A8功能的單獨(dú)算法A5/1-加密算法A5/1A5/2-加密算法A5/2A5/X-加密算法A5/07A8-產(chǎn)生密鑰的算法A8ABAccessBurst突發(fā)訪問ACAccessClass(C0toC15)訪問類別(從C0到C15)

ApplicationContext應(yīng)用上下文ACCAutomaticCongestionControl自動(dòng)擁塞控制ACCHAssociatedControlChannel隨路控制信道ACKACKnowledgement確認(rèn)（用于信令）ACMAccumulatedCallMeter累計(jì)呼叫記錄

AddressCompleteMessage地址完全的消息ACUAntennaCombiningUnit天線合成單元ADCADministrationCentre管理中心

AnaloguetoDigitalConverter模數(shù)轉(zhuǎn)換ADNAbbreviatedDiallingNumber縮位撥號ADPCMAdaptiveDifferentialPulseCodeModulation自適應(yīng)差分脈沖編碼調(diào)制AEApplicationEntity應(yīng)用實(shí)體AECAcousticEchoControl回音控制AEAdditionalElementaryFunctions附加基本單元AGCHAccessGrantChannel訪問允許信道AiActionindicator動(dòng)作指示AoCAdviceofCharge費(fèi)用建議AoCCAdviceofChargeChargingsupplementaryservice費(fèi)用建議補(bǔ)充服務(wù)AoCIAdviceofChargeInformationsupplementaryservice費(fèi)用建議信息補(bǔ)充服務(wù)ASEApplicationServiceElement費(fèi)用服務(wù)單元ASN.1AbstractSyntaxNotationOne抽象語法表示1ARFCNAbsoluteRadioFrequencyChannelNumber絕對無線頻率信道數(shù)ARQAutomaticReQuestforretransmission自動(dòng)重發(fā)請求ATT(flag)ATTach加入（用于信令）AUAccessUnit訪問單元AuCAuthenticationCentre鑒權(quán)中心AUT(H)AUThentication鑒權(quán)BBABCCHAllocationBCCH分配BAICBarringofAllIncomingCallssupplementaryservice限制所有呼入呼叫的補(bǔ)充服務(wù)BAOCBarringofAllOutgoingCallssupplementaryservice限制所有呼出呼叫的補(bǔ)充服務(wù)BCCBaseTransceiverStation(BTS)ColourCode 基站收發(fā)器代碼BCCHBroadcastControlChannel廣播控制信道BCDBinaryCodedDecimal二進(jìn)制編碼的十進(jìn)制BCFBasestationControlFunction基站控制功能BCIEBearerCapabilityInformationElement載波容量信息單元BERBitErrorRate誤碼率BFIBadFrameIndication壞幀指示BIallBarringofIncomingcallsupplementaryservices所有的限制呼入呼叫補(bǔ)充服務(wù)BICRoamBarringofIncomingCallswhenRoamingoutsidethehomePLMNcountrysupplementaryservice在注冊的PLMN國家之外限制呼入呼叫的補(bǔ)充服務(wù)BmFullratetrafficchannel全速業(yè)務(wù)信道BNBitNumber比特?cái)?shù)BOallBarringofOutgoingcallsupplementaryservices所有的限制呼出呼叫補(bǔ)充服務(wù)BOICBarringofOutgoingInternationalCallssupplementaryservice限制國際呼叫的補(bǔ)充服務(wù)BOICexHCBarringofOutgoingInternationalCallsexceptthosedirectedtotheHomePLMNCountrysupplementaryservice 除了直接呼叫注冊的PLMN國家以外限制國際呼出呼叫的補(bǔ)充服務(wù)BSBasicService(group)載波服務(wù)

BearerService 基本服務(wù)BSGBasicServiceGroup基本服務(wù)組BSCBaseStationController基站控制器BSICBasetransceiverStationIdentityCode基站收發(fā)器鑒別碼BSICNCELLBSICofanadjacentcell一個(gè)臨近小區(qū)的BSICBSSBaseStationSystem基站子系統(tǒng)BSSAPBaseStationSystemApplicationPart基站子系統(tǒng)應(yīng)用部分BSSMAPBaseStationSystemManagementApplicationPart基站子系統(tǒng)管理應(yīng)用部分BSSOMAPBaseStationSystemOperationandMaintenanceApplicationPart基站子系統(tǒng)操作和維護(hù)應(yīng)用部分BTSBaseTransceiverStation基站收發(fā)器，即常說的手機(jī)基站CCConditional有條件的CACellAllocation小區(qū)分配CAIhargeAdviceInformation收費(fèi)建議信息CBCellBroadcast小區(qū)廣播CBCCellBroadcastCentre小區(qū)廣播中心CBCHCellBroadcastChannel小區(qū)廣播信道CBMICellBroadcastMessageIdentifier小區(qū)廣播信息標(biāo)識符CCCountryCode國家代碼

CallControl呼叫控制CCBSCompletionofCallstoBusySubscribersupplementaryservice對占線用戶的完成呼叫的補(bǔ)充服務(wù)CCCHCommonControlChannel公用控制信道CCFConditionalCallForwarding條件呼叫轉(zhuǎn)移CCHControlChannel控制信道CCITTComitéConsultatifInternationalTélégraphiqueetTéléphonique(TheInternationalTelegraphandTelephoneConsultativeCommittee)國際電報(bào)電話咨詢委員會CCMCurrentCallMeter當(dāng)前呼叫記錄CCPCapability/ConfigurationParameter容量/配置參數(shù)CCPEControlChannelProtocolEntity控制信道協(xié)議實(shí)體CctCircuit電路CDURChargeableDURation要計(jì)費(fèi)的時(shí)間CEDcalledstationidentifier被呼叫的基站標(biāo)識符CEIRCentralEquipmentIdentityRegister中央設(shè)備識別寄存器CENDendofchargepoint 計(jì)費(fèi)的結(jié)束點(diǎn)CEPTConférencedesadministrationsEuropéennesdesPostesetTelecommunications歐洲郵政和遠(yuǎn)程通信會議CFConversionFacility變換工具

allCallForwardingservices所有的呼叫轉(zhuǎn)移服務(wù)CFBCallForwardingonmobilesubscriberBusysupplementaryservice移動(dòng)用戶遇忙呼叫轉(zhuǎn)移補(bǔ)充服務(wù)CFNRcCallForwardingonmobilesubscriberNotReachablesupplementaryservice移動(dòng)用戶不在服務(wù)區(qū)呼叫轉(zhuǎn)移補(bǔ)充服務(wù)CFNRyCallForwardingonNoReplysupplementaryservice無應(yīng)答呼叫轉(zhuǎn)移補(bǔ)充服務(wù)CFUCallForwardingUnconditionalsupplementaryservice無條件呼叫轉(zhuǎn)移補(bǔ)充服務(wù)CHPCHargingPoint計(jì)費(fèi)點(diǎn)CHVCardHolderVerificationinformation卡持有者驗(yàn)證信息CICellIdentity小區(qū)標(biāo)識

CUGIndexCUG索引CIRCarriertoInterferenceRatio載波干擾比（載干比）CKSNCipheringKeySequenceNumber密鑰序列碼CLICallingLineIdentity呼叫線路標(biāo)識CLIPCallingLineIdentificationPresentationsupplementaryservice呼叫線路標(biāo)識顯示補(bǔ)充服務(wù)CLIRCallingLineIdentificationRestrictionsupplementaryservice呼叫線路標(biāo)識限制補(bǔ)充服務(wù)CMConnectionManagement連接管理CMDCoMmanD命令（用于信令）CMMChannelModeModify信道模式更改CNGCalliNGtone呼叫音調(diào)COLICOnnectedLineIdentity連接的線路標(biāo)識COLPCOnnectedLineidentificationPresentationsupplementaryservice連接的線路標(biāo)識顯示補(bǔ)充服務(wù)COLRCOnnectedLineidentificationRestrictionsupplementaryservice連接的線路標(biāo)識限制補(bǔ)充服務(wù)COMCOMplete完成（用于信令）CONNACKCONNectACKnowledgement連接確認(rèn)（用于信令）C/RCommand/Responsefieldbit命令/相應(yīng)區(qū)域比特CRCCyclicRedundancyCheck(3bit)冗余循環(huán)校驗(yàn)（3比特）CRECallREestablishmentprocedure呼叫重建立過程CSPDNCircuitSwitchedPublicDataNetwork電路交換公眾數(shù)據(jù)網(wǎng)CTCallTransfersupplementaryservice呼叫轉(zhuǎn)移補(bǔ)充服務(wù)

ChannelTester信道測試

ChannelType信道類型CTRCommonTechnicalRegulation通用技術(shù)規(guī)定CUGClosedUserGroupsupplementaryservice關(guān)閉用戶組補(bǔ)充服務(wù)CTRCommonTechnicalRegulation通用技術(shù)規(guī)定CWCallWaitingsupplementaryservice呼叫等待補(bǔ)充服務(wù)DDACDigitaltoAnalogueConverter數(shù)模轉(zhuǎn)換DBDummyBurst啞元突發(fā)DCCHDedicatedControlChannel專用控制信道DCEDataCircuitterminatingEquipment數(shù)據(jù)電路終端DCFDataCommunicationFunction數(shù)據(jù)通信功能DCMDataConversionModule數(shù)據(jù)轉(zhuǎn)換模塊DCNDataCommunicationNetwork數(shù)據(jù)通信網(wǎng)DCS1800DigitalCellularSystemat1800MHz1800MHz數(shù)字蜂窩系統(tǒng)，和900MHzGSM系統(tǒng)并稱雙頻網(wǎng)DETDETach離開（用于信令）DISCDISConnect斷開連接（用于信令）DLDataLink(layer)數(shù)據(jù)鏈路層DLCIDataLinkConnectionIdentifier數(shù)據(jù)鏈路連接標(biāo)識DLDDataLinkDiscriminator數(shù)據(jù)鏈路鑒別器DmControlchannel(ISDNterminologyappliedtomobileservice)控制信道（應(yīng)用于移動(dòng)服務(wù)的ISDN術(shù)語）DMRDigitalMobileRadio數(shù)字無線移動(dòng)DNICDatanetworkidentifier數(shù)據(jù)網(wǎng)標(biāo)識DPDial/DialledPulse撥號脈沖DRXDiscontinuousreception(mechanism)非連續(xù)的接收DSEDataSwitchingExchange數(shù)據(jù)交換DSIDigitalSpeechInterpolation數(shù)字語音插值DSS1DigitalSubscriberSignallingNo1一號數(shù)字用戶信令DTAPDirectTransferApplicationPart直接傳送應(yīng)用部分DTEDataTerminalEquipment數(shù)據(jù)終端DTMFDualToneMultiFrequency(signalling)雙音多頻。使用兩種頻率(每一種頻率都從四個(gè)頻率中選取)來傳送數(shù)字地址信息DTXDiscontinuoustransmission(mechanism)非連續(xù)傳送EEAExternalAlarms外部警告EBSGElementaryBasicServiceGroup 基本服務(wù)組ECMErrorCorrectionMode(facsimile)差錯(cuò)糾正模式（電傳）Ec/NoRatioofenergypermodulatingbittothenoisespectraldensity每調(diào)制比特功率和噪聲頻譜密度的比率ECTExplicitCallTransfersupplementaryservice顯式呼叫轉(zhuǎn)移補(bǔ)充服務(wù)EELElectricEchoLoss電力回波損耗EIREquipmentIdentityRegister設(shè)備標(biāo)識寄存器ELEchoLoss回波損耗EMCElectroMagneticCompatibility電磁兼容性EMIElectroMagneticInterference電磁干擾eMLPPenhancedMultiLevelPrecedenceandPreemptionservice增強(qiáng)多層優(yōu)先服務(wù)EMMIElectricalManMachineInterface電力人機(jī)接口EPROMErasableProgrammableReadOnlyMemory可擦除的可編程只讀存儲器ERPEarReferencePoint聽力參考點(diǎn)

EquivalentRadiatedPower等價(jià)輻射功率ERRERRor錯(cuò)誤（用于信令）ETRETSITechnicalReportETSI技術(shù)報(bào)告ETSEuropeanTelecommunicationStandard歐洲電信標(biāo)準(zhǔn)ETSIEuropeanTelecommunicationsStandardsInstitute歐洲電信標(biāo)準(zhǔn)協(xié)會FFAFullAllocation完全分配

FaxAdaptor傳真適配器FACFinalAssemblyCode最終集結(jié)碼FACCHFastAssociatedControlCHannel快速隨路控制信道FACCH/FFastAssociatedControlChannel/Fullrate快速隨路控制信道/全速率FACCH/HFastAssociatedControlChannel/Halfrate快速隨路控制信道/半速率FBFrequencycorrectionBurst突發(fā)頻率校正FCCHFrequencyCorrectionCHannel頻率校正信道FCSFrameCheckSequence幀檢查序列FDMFrequencyDivisionMultiplex頻分多路復(fù)用FDNFixedDiallingNumber固定撥號FECForwardErrorCorrection前向糾錯(cuò)FERFrameErasureRatio幀消除比率FHFrequencyHopping跳頻FNFrameNumber幀數(shù)FRFullRate全速率FTAFinalTypeApproval最終型號批準(zhǔn)FTAMFileTransfer,AccessandManipulation文件傳輸、訪問和使用Ftnforwardedtonumber轉(zhuǎn)移到號碼

GCRGroupCallRegister組呼叫寄存器GMSCGatewayMobileservicesSwitchingCentre應(yīng)答服務(wù)交換中心網(wǎng)關(guān)GMSKGaussianMinimumShiftKeying(modulation)高斯整形濾波最小頻移鍵控（調(diào)制方法）GPAGSMPLMNAreaGSMPLMN區(qū)域GPRSGeneralPacketRadioService通用分組無線服務(wù)GPRSGeneralPowerSupplyUnit通用功率電源單元GSAGSMSystemAreaGSM系統(tǒng)區(qū)域GSMGlobalSystemforMobilecommunications全球移動(dòng)通信系統(tǒng)GSMMSGSMMobileStationGSM移動(dòng)臺（即手機(jī)）GSMPLMNGSMPublicLandMobileNetworkGSM公用陸地移動(dòng)網(wǎng)絡(luò)GTGlobalTitle全球標(biāo)識HHANDOHANDOver切換（用于信令）HDLCHighlevelDataLinkControl高層數(shù)據(jù)鏈路控制HLCHighLayerCompatibility高層兼容性HLRHomeLocationRegister歸屬位置寄存器HOLDCallholdsupplementaryservice卡持有補(bǔ)充服務(wù)HPLMNHomePLMN歸屬PLMNHPUHandPortableUnit手持單元HRHalfRate半速率HSNHoppingSequenceNumber跳頻序列數(shù)字HUHomeUnits歸屬單元IIInformationframes(RLP)信息幀IAIncomingAccess(closedusergroupSS)呼入接入（關(guān)閉用戶組補(bǔ)充業(yè)務(wù)）IAMInitialAddressMessage初始地址消息ICInterlockCode(CUGSS)互鎖碼（關(guān)閉用戶組補(bǔ)充業(yè)務(wù)）ICBIncomingCallsBarred(withintheCUG)限制呼入呼叫（關(guān)閉用戶組補(bǔ)充業(yè)務(wù)）ICCIntegratedCircuit(s)Card集成電路卡IC(pref)InterlockCodeofthepreferentialCUG優(yōu)先互鎖碼（關(guān)閉用戶組補(bǔ)充業(yè)務(wù)）ICMInCallModification呼入呼叫更改IDIDentification/IDentity/Identifier標(biāo)識IDNIntegratedDigitalNetwork綜合數(shù)字網(wǎng)IE(signalling)InformationElement信息單元（用于信令）IECInternationalElectrotechnicalCommission國際電工技術(shù)委員會。負(fù)責(zé)電工技術(shù)標(biāo)準(zhǔn)化的委員會,包括器材、元件以及測量方法的標(biāo)準(zhǔn)化。其某些工作涉及遠(yuǎn)程通信技術(shù)在有線、電纜、波導(dǎo)以及共用天線電視系統(tǒng)中的應(yīng)用IEIInformationElementIdentifier信息單元標(biāo)識IETSInterimEuropeanTelecommunicationsStandard臨時(shí)歐洲電信標(biāo)準(zhǔn)IMEIInternationalMobilestationEquipmentIdentity國際移動(dòng)臺設(shè)備標(biāo)識IMSIInternationalMobileSubscriberIdentity國際移動(dòng)用戶標(biāo)識INInterrogatingNode詢問節(jié)點(diǎn)ISCInternationalSwitchingCentre國際交換中心ISDNIntegratedServicesDigitalNetwork綜合業(yè)務(wù)數(shù)字網(wǎng)ISOInternationalOrganizationforStandardization國際標(biāo)準(zhǔn)化組織ISUPISDNUserPart(ofsignallingsystemNo.7)ISDN用戶部分（屬于七號信令系統(tǒng)）ITCInformationTransferCapability信息傳送容量ITUInternationalTelecommunicationUnion國際電信聯(lián)盟IWFInterWorkingFunction互連功能IWMSCInterWorkingMSC互連的MSCIWUInterWorkingUnit互連單元KkWindowssize窗口大小KConstraintlengthoftheconvolutionalcode卷積碼的約束長度KcCipheringkey密鑰KiIndividualsubscriberauthenticationkey用戶鑒權(quán)密鑰

LL1Layer1第一層（OSI物理層）L2MLLayer2ManagementLink第二層管理鏈路（OSI數(shù)據(jù)鏈路層）L2RLayer2Relay第二層中繼L2RBOP L2RBitOrientatedProtocolBOP第二層中繼比特主叫協(xié)議L2RCOPL2RCharacterOrientatedProtocolCOP第二層中繼符號主叫協(xié)議L3Layer3第三層（OSI網(wǎng)絡(luò)層）LALocationArea位置區(qū)域LACLocationAreaCode位置區(qū)域碼LAILocationAreaIdentity位置區(qū)域標(biāo)識LANLocalAreaNetwork本地網(wǎng)LAPBLinkAccessProtocolBalanced平衡的鏈路接入?yún)f(xié)議LAPDmLinkAccessProtocolontheDmchannel在Dm信道上的鏈路接入?yún)f(xié)議LCNLocalCommunicationNetwork本地通信網(wǎng)LELocalExchange本地交換LILengthIndicator長度指示（指信令幀中的某些部分）

LineIdentity線路標(biāo)識

LinkInteface鏈路接口

LineInterface線路接口LLCLowLayerCompatibility低層兼容性LmTrafficchannelwithcapacitylowerthanaBm容量低于Bm的業(yè)務(wù)信道LMSILocalMobileStationIdentity本地應(yīng)答站標(biāo)識LMSILocalMaintainanceTerminal本地維護(hù)終端LNALowNosieAmplifier低噪聲放大器LNDLastNumberDialled上次撥叫號碼LPLMNLocalPLMN本地PLMNLRLocationRegister位置寄存器LSTRListenerSideToneRating被呼叫人的側(cè)音比率LTELocalTerminalEmulator本地終端模擬器LULocalUnits本地單元

LocationUpdate位置更新LVLengthandValue長度和含義（指信令幀中的某些部分）MMMandatory必須的（指信令幀中的某些部分）MAMobileAllocation移動(dòng)分配MACNMobileAllocationChannelNumber移動(dòng)分配信道號MAFMobileAdditionalFunction移動(dòng)附加功能MAHMobileAccessHuntingsupplementaryservice移動(dòng)接入搜尋補(bǔ)充業(yè)務(wù)MAIMobileAllocationIndex移動(dòng)分配索引MAIOMobileAllocationIndexOffset移動(dòng)分配索引偏移MAP移動(dòng)應(yīng)用部分（用于MSC間的信令）MobileApplicationPartMCCMobileCountryCode移動(dòng)國家代碼MCIMaliciousCallIdentificationsupplementaryservice惡意呼叫識別補(bǔ)充業(yè)務(wù)MDMediationDevice仲裁設(shè)備MDL(mobile)Management(entity)DataLink(layer)（移動(dòng)）管理（實(shí)體）數(shù)據(jù)鏈路（層）MEMaintenanceEntity維護(hù)實(shí)體

MobileEquipment移動(dòng)設(shè)備MEFMaintenanceEntityFunction維護(hù)實(shí)體功能MFMultiFrame多幀MHSMessageHandlingSystem消息處理系統(tǒng)MICMobileInterfaceController移動(dòng)接口控制MLSEMaximumLikelihoodSequence最大似然序列估計(jì)MMManMachine人機(jī)

MobilityManagement移動(dòng)性管理MMEMobileManagementEntity移動(dòng)管理實(shí)體MMIManMachineInterface人機(jī)接口MNCMobileNetworkCode移動(dòng)網(wǎng)絡(luò)代碼MOMobileOriginated移動(dòng)主叫MOMobileOriginatingCall移動(dòng)主叫MoUMemorandumofUnderstanding諒解備忘錄MPH(mobile)Management(entity)PHysical(layer)（移動(dòng)）管理（實(shí)體）物理（層）MPTYMultiParTY(MultiParTY)supplementaryservice多方補(bǔ)充業(yè)務(wù)MRPMouthReferencePoint口參考點(diǎn)MSMobileStation移動(dòng)臺（手機(jī)）MSCMobileservicesSwitchingCentre,MobileSwitchingCentre移動(dòng)（業(yè)務(wù)）交換中心MSCMMobileStationClassMark移動(dòng)臺類別標(biāo)志MSCUMobileStationControlUnit移動(dòng)臺控制單元MSISDNMobileStationInternationalISDNNumber移動(dòng)臺國際ISDN號碼（就是手機(jī)號139XXXXXXX）MSRNMobileStationRoamingNumber移動(dòng)臺漫游號碼MTMobileTerminated移動(dòng)被叫MT(0,1,2)MobileTermination移動(dòng)終端MTBFMeanTimeBetweenFailure平均無故障時(shí)間MTCMobileTerminatingCall移動(dòng)被叫MTMMobileToMobile(call)移動(dòng)臺到移動(dòng)臺的呼叫MTPMessageTransferPart消息傳送部分MU MarkUp標(biāo)記MUMSMultiUserMobileStation多用戶移動(dòng)臺NN/WNetwork網(wǎng)絡(luò)NBNormalBurst正常突發(fā)NBINAparameterinthehoppingsequence一個(gè)跳頻序列中的參數(shù)NCCNetwork(PLMN)ColourCode網(wǎng)絡(luò)（PLMN）代碼NCELLNeighbouring(ofcurrentserving)Cell當(dāng)前小區(qū)的臨近小區(qū)NCHNotificationCHannel通告信道NDCNationalDestinationCode本國目的代碼NDUBNetworkDeterminedUserBusy由網(wǎng)絡(luò)確定用戶忙NE

NetworkElement網(wǎng)絡(luò)單元NEFNetworkElementFunction網(wǎng)絡(luò)單元功能NETNormeEuropeennedeTélécommunications歐洲電信聯(lián)盟NFNetworkFunction網(wǎng)絡(luò)功能NICNetworkIndependentClocking與網(wǎng)絡(luò)無關(guān)的定時(shí)

NM NetworkManagement網(wǎng)絡(luò)管理NMCNetworkManagementCentre網(wǎng)絡(luò)管理中心NMSINationalMobileStationIdentificationnumber本國移動(dòng)臺標(biāo)識號碼NPINumberPlanIndentifier號碼設(shè)計(jì)標(biāo)識NSAPNetworkServiceAccessPoint網(wǎng)絡(luò)業(yè)務(wù)接入點(diǎn)NTNetworkTermination網(wǎng)絡(luò)終端

NonTransparent非透明NTAABNewTypeApprovalAdvisoryBoard新類型批準(zhǔn)咨詢部門NUANetworkUserAccess網(wǎng)絡(luò)用戶接入NUINetworkUserIdentification網(wǎng)絡(luò)用戶標(biāo)識NUPNationalUserPart(SS7)本國用戶部分（七號信令的一部分）OOOptional可選的（指信令幀中的某些部分）OAOutgoingAccess(CUGSS)呼出接入（CUGSS）O&MOperations&Maintenance操作和維護(hù)OACSUOffAirCallSetUp不占用空中信道的呼叫建立OCBOutgoingCallsBarredwithintheCUGCUG中限制呼出呼叫ODOptionalforoperatorstoimplementfortheiraim運(yùn)營商為實(shí)現(xiàn)不同目的可選的部分OLROverallLoudnessRating峰值音量比率OMCOperations&MaintenanceCentre操作和維護(hù)中心OMLOperationsandMaintenanceLink操作和維護(hù)鏈路OMS-BOperationsandMaintenanceSystemfortheBSS對BSS的操作和維護(hù)系統(tǒng)OSOperatingSystem操作系統(tǒng)OSIOpenSystemInterconnection開放式系統(tǒng)互連(模型)，一種通信協(xié)議的7層抽象的參考模型,其中每一層執(zhí)行某一特定任務(wù)。該模型的目的是使各種硬件在相同的層次上相互通信。這7層是:物理層、數(shù)據(jù)鏈路層、網(wǎng)路層、傳輸層、話路層、表示層和應(yīng)用層OSIRMOSIReferenceModelOSI參考模式PPABXPrivateAutomaticBrancheXchange專用自動(dòng)交換機(jī)，一種自動(dòng)地將內(nèi)部用戶線連接到電話系統(tǒng)外線的專用電話交換機(jī)PADPacketAssembly/Disassemblyfacility分組集結(jié)/分解功能PCHPagingCHannel尋呼信道PCMPulseCodeModulation脈沖編碼調(diào)制PDProtocolDiscriminator協(xié)議鑒別器

PublicData公用數(shù)據(jù)PDNPublicDataNetworks公用數(shù)據(jù)網(wǎng)PHPacketHandler分組處理

PHysical(layer)物理層PHIPacketHandlerInterface分組處理接口PIPresentationIndicator顯示指示PICSProtocolImplementationConformanceStatement協(xié)議實(shí)現(xiàn)一致性申明PINPersonalIdentificationNumber個(gè)人識別碼PIXTProtocolImplementationeXtrainformationforTesting用于測試的協(xié)議實(shí)現(xiàn)附加信息PLMNPublicLandsMobileNetwork公用陸地移動(dòng)網(wǎng)絡(luò)PPPerformanceManagement性能管理POIPointOfInterconnection(withPSTN)和PSTN互連點(diǎn)PPPointtoPoint點(diǎn)到點(diǎn)PPCCPeripheralProcessorforCCSS7對CCSS7的外圍處理器PPEPrimativeProcedureEntity重要過程實(shí)體PPLDPeripheralProcessorforLAPD對LAPD的外圍處理器PrefCUGPreferentialCUG優(yōu)先的CUGPsLocationprobability位置可能性PSPDNPacketSwitchedPublicDataNetwork分組交換公用數(shù)據(jù)網(wǎng)PSTNPublicSwitchedTelephoneNetwork公用電話交換網(wǎng)PUCTPriceperUnitCurrencyTable每單元價(jià)格表PUKPINUnblokingKeyPIN碼解鎖密碼PWPassWord密碼QQAQ(Interface)AdapterQ接口適配器QAFQAdapterFunctionQ接口適配器功能QOSQualityOfService業(yè)務(wù)質(zhì)量RRValueofReductionoftheMStransmittedRFpowerrelativetothemaximumallowedoutputpowerofthehighestpowerclassofMS(A)MS發(fā)送的射頻功率與屬于MS最高功率類型（A）的最大允許輸出功率的差值RARAndommoderequestinformationfield隨機(jī)模式請求信息區(qū)域RABRandomAccessBurst突發(fā)隨機(jī)接入RACHRandomAccessCHannel隨機(jī)接入信道RANDRANDomnumber(usedforauthentication)隨機(jī)數(shù)（用于鑒權(quán)）RBERResidualBitErrorRatio剩余的誤比特率RDIRestrictedDigitalInformation限制的數(shù)字信息RECRECommendation建議REJREJect(ion)拒絕（用于信令）RELRELease釋放（用于信令）REQ請求（用于信令）REQuestRFRadioFrequency射頻RFClRadioFrequencyChanne無線頻率信道RFCHRadioFrequencyCHannel無線頻率信道RFNReducedTDMAFrameNumber減少的TDMA幀數(shù)RFUReservedforFutureUse保留為將來使用RLPRadioLinkProtocol無線鏈路協(xié)議RLRReceiverLoudnessRating接收音量比率RMSRootMeanSquare(value)均方值RNTABLETableof128integersinthehoppingsequence跳頻序列中的128個(gè)整數(shù)表ROSERemoteOperationServiceElement遠(yuǎn)程操作業(yè)務(wù)單元RPOARecognisedPrivateOperatingAgency辨識的專有的操作代理RRRadioResource無線資源RSERadioSystemEntity無線系統(tǒng)實(shí)體RSLRadioSignallingLink無線信令鏈路RSLRadioSubsystemManagement無線子系統(tǒng)管理RSZIRegionalSubscriptionZoneIdentity區(qū)域的預(yù)約區(qū)域標(biāo)識RTERemoteTerminalEmulator遠(yuǎn)端終端模擬器RXReceivedsignallevel接收的信號強(qiáng)度RXAMODReceiverAntenaModule接收無線模塊RXMUCOReceiverMultiCoupler接收多路耦合器RXQUALReceivedSignalQuality接收的信號質(zhì)量SS/WSoftWare軟件SABMSetAsynchronousBalancedMode置異步平衡模式SACCHSlowAssociatedControlChannel慢速隨路控制信道SACCH/C4SlowAssociatedControlCHannel/SDCCH/4慢速隨路控制信道/SDCCH/4SACCH/C8SlowAssociatedControlCHannel/SDCCH/8慢速隨路控制信道/SDCCH/8SACCH/TSlowAssociatedControlCHannel/Trafficchannel慢速隨路控制信道/業(yè)務(wù)信道SACCH/TFSlowAssociatedControlCHannel/TrafficchannelFullrate慢速隨路控制信道/全速業(yè)務(wù)SACCH/THSlowAssociatedControlCHannel/TrafficchannelHalfrate慢速隨路控制信道/半速業(yè)務(wù)信道SAPServiceAccessPoint業(yè)務(wù)接入點(diǎn)SAPIServiceAccessPointIndicator業(yè)務(wù)接入點(diǎn)指示SBSynchronizationBurst同步突發(fā)SCServiceCentre(usedforSMS)接入中心（用于SMS）

ServiceCode接入代碼SCCPSignallingConnectionControlPart信令連接控制部分SCHSynchronizationChannel同步信道SCNSubChannelNumber子信道號SDCCHStandaloneDedicatedControlChannel獨(dú)立專用控制信道SDLSpecificationDescriptionLanguage說明與描述語言SDTSDLDevelopmentToolSDL開發(fā)工具SDUServiceDataUnit業(yè)務(wù)數(shù)據(jù)單元SESupportEntity支持實(shí)體SEFSupportEntityFunction支持實(shí)體功能SFHSlowFrequencyHopping慢跳頻SIScreeningIndicator屏蔽指示

ServiceInterworking業(yè)務(wù)互作用

SupplementaryInformation補(bǔ)充信息SIASupplemenataryInformationA補(bǔ)充信息ASIDSIlenceDescriptor無聲描述SIMSubscriberIdentityModule用戶識別模塊（就是手機(jī)中的SIM卡）SLRSendLoudnessRating發(fā)送音量比率SLTMSignallingLinkTestMessage信令鏈路測試消息SMAPSystemManagementApplicationProcess系統(tǒng)管理應(yīng)用程序SMSecurityManagement安全性管理SMEShortMessageEntity短消息實(shí)體SMGSpecialMobileGroup短消息組SMISESpercialManagementInformationServiceElement專用管理信息業(yè)務(wù)SMSShortMessageService短消息業(yè)務(wù)SMSCBShortMessageServiceCellBroadcast短消息業(yè)務(wù)小區(qū)廣播SMSSCShortMessageServiceServiceCentre短消息業(yè)務(wù)業(yè)務(wù)中心SMS/PPShortMessageService/PointtoPoint短消息業(yè)務(wù)/點(diǎn)到點(diǎn)SmtShortmessageterminal短消息終端SNSubscriberNumber用戶號碼SNRSerialNumbeR序列號SOASuppressOutgoingAccess(CUGSS)抑制呼出接入（CUGSS）SPServiceProvider業(yè)務(wù)提供商

SignallingPoint信令點(diǎn)

SPare空（用于信令）SPCSignallingPointCode信令點(diǎn)代碼SPCSuppressPreferentialCUG抑制優(yōu)先的CUGSRESSignedRESponse(authentication)帶符號的響應(yīng)（鑒權(quán)）SSSupplementaryservice補(bǔ)充業(yè)務(wù)

SystemSimulator系統(tǒng)模擬器SSCSupplementaryserviceControlstring補(bǔ)充業(yè)務(wù)控制串SSNSubSystemNumber子系統(tǒng)號碼SS7/SS#7 .SignallingSystemNo7七號信令STMRSideToneMaskingRating側(cè)音屏蔽比率STPSignallingTransferPoint信令傳輸點(diǎn)SVNSoftwareVersionNumber軟件版本號SWMSofewareManagement軟件管理TTTimer時(shí)鐘

Transparent透明的

Typeonly類型TATerminalAdaptor終端適配器

TimeAdvance時(shí)間提前量TACTypeApprovalCode類型批準(zhǔn)代碼TAFTerminalAdaptationFunction終端適配功能TBRTechnicalBasisforRegulation規(guī)定的技術(shù)基礎(chǔ)TC TransactionCapabilities 處理能力TCAPTransactionCapabilitiesApplicatiompart事務(wù)處理能力應(yīng)用部分TCHTrafficCHannel業(yè)務(wù)信道TCH/FAfullrateTCH一個(gè)全速業(yè)務(wù)信道TCH/F2,4AfullratedataTCH(<=2,4kbit/s)一個(gè)全速業(yè)務(wù)信道（<=2,4kbit/s）TCH/F4,8AfullratedateTCH(4,8kbit/s)一個(gè)全速業(yè)務(wù)信道（4,8kbit/s）TCH/F9,6AfullratedataTCH(9,6kbit/s)一個(gè)全速業(yè)務(wù)信道(9,6kbit/s)TCH/FSAfullrateSpeechT