【正文】 19 / 19。M Unit操作維護(hù)處理板UPUser Plane用戶(hù)平面UPCUsage Parameter Control使用參數(shù)控制UPMUUMSC PSM Power Monitoring UnitPSM框電源監(jiān)控板UPSBUMSC PSM Backplane BoardPSM框背板UPTBUMSC PSM Power Transfer BoardPSM框電源轉(zhuǎn)接板UPWRUMSC PSM Power Transfer BoardPSM框電源模塊URAUTRAN Registration AreaUTRAN注冊(cè)區(qū)URCUUMSC PSM subRack Control UnitPSM框框控制單元URFMUMSC BNET Route Forward ModuleBNET路由轉(zhuǎn)發(fā)板USCHUplink Shared Channel上行鏈路共享信道USIMUMTS Subscriber Identity ModuleUMTS用戶(hù)身份模塊USPUUMSC Packet Service Signal Processing Unit分組業(yè)務(wù)信令處理板USRUniversal Switching Router通用交換路由器USSDUnstructured Supplementary Service Data非結(jié)構(gòu)化補(bǔ)充業(yè)務(wù)數(shù)據(jù)UTOPIAUniversal Testamp。 Maintenance操作與維護(hù)OMCOperations amp。LEALaw Enforcement Agency執(zhí)法代理LEDLight Emitting Diode發(fā)光二極管LILawful Intercept合法監(jiān)聽(tīng)LIANLawful Intercept Administration Node合法監(jiān)聽(tīng)管理節(jié)點(diǎn)LLCLogic Link Control邏輯鏈路控制LMSLocal OMC Subsystem本地OMC子系統(tǒng)LMTLocal Maintenance Terminal本地維護(hù)終端LPULine interface processing unit線路接口處理單元M M2UASS7 MTP2User Adaptation LayerSS7 MTP2用戶(hù)適配層M3UASS7 MTP3User Adaptation LayerSS7 MTP3用戶(hù)適配層MAMultiple Access多址接入MACMedia Access Control媒體接入控制MAHOMobile Assisted Handover移動(dòng)臺(tái)輔助切換MAPMobile Application Part移動(dòng)應(yīng)用部分MBSMaximum Burst Size最大突發(fā)尺寸McpsMega Chip Per Second兆切普/秒MCRMinimum Cell Rate最新信元速率MCDRMobility ManagementCDRSGSN產(chǎn)生的有關(guān)移動(dòng)性管理的計(jì)費(fèi)數(shù)據(jù)記錄MGCMedia Gateway Controller媒體網(wǎng)關(guān)控制器MGCPMedia Gateway Control Protocol媒體網(wǎng)關(guān)控制協(xié)議MGWMedia GateWay媒體網(wǎng)關(guān)MIPMobile IP移動(dòng)IPMMMobility Management移動(dòng)性管理MMLMan Machine Language人機(jī)語(yǔ)言MNCMobile Network Code移動(dòng)網(wǎng)絡(luò)碼MOMagnetoOptical磁光盤(pán)MOMobile Originated移動(dòng)臺(tái)發(fā)起的MOHOMobile Originated Handover移動(dòng)臺(tái)發(fā)起的切換MPLSMultiProtocol Label Switching多協(xié)議標(biāo)簽交換MPTYMulti Party Service多方通話補(bǔ)充業(yè)務(wù)MPUMain Processing Unit主控單元MRSMedia Resource Server媒體資源服務(wù)器MSMobile Station移動(dòng)臺(tái)（手機(jī)）MSCMobile services Switching Center, Mobile Switching Center移動(dòng)交換中心MSC ServerMobile Switch Center Server移動(dòng)交換中心服務(wù)器MSFMultiservice Switching Forum多業(yè)務(wù)交換論壇MSISDNMobile Station International ISDN Number移動(dòng)臺(tái)國(guó)際ISDN號(hào)碼MSRNMobile Station Roaming Number移動(dòng)用戶(hù)漫游號(hào)碼MTMobile Terminal移動(dòng)終端MTMobile Terminated移動(dòng)臺(tái)終止的MTBFMean Time Between Failures平均故障間隔時(shí)間MTPMessage Transfer Part消息傳輸部分MTP3BMessage transfer part （broadband）消息傳輸部分（寬帶）MTTRMean Time to Repair平均故障修復(fù)時(shí)間MUIMobile User Identifier移動(dòng)用戶(hù)識(shí)別MVPNMobile Virtual Private Network移動(dòng)虛擬專(zhuān)用網(wǎng)N NASNon Access Stratum非接入層NATNet Address Translation網(wǎng)絡(luò)地址轉(zhuǎn)換NBAPNode B Application Protocol節(jié)點(diǎn)B應(yīng)用協(xié)議NENetwork Element網(wǎng)元NFSNetwork File System網(wǎng)絡(luò)文件系統(tǒng)NINetwork Interface網(wǎng)絡(luò)接口NLPNoLinear Processor非線性處理NMNetwork Management網(wǎng)絡(luò)管理NMCNetwork Management Center網(wǎng)管中心NMSNetwork Management System網(wǎng)管系統(tǒng)NNINetwork Node Interface (NetworktoNetwork)網(wǎng)絡(luò)節(jié)點(diǎn)接口NPNetwork Processor網(wǎng)絡(luò)處理器NPCNetwork Parameter Control網(wǎng)絡(luò)參數(shù)控制NRTNonReal Time非實(shí)時(shí)NSNetwork Sublayer網(wǎng)絡(luò)子層NSAPNetwork Service Access Point網(wǎng)絡(luò)業(yè)務(wù)接入點(diǎn)NSAPINetwork Service Access Point Identifier網(wǎng)絡(luò)業(yè)務(wù)接入點(diǎn)標(biāo)識(shí)NtNotification (SAP)通知(服務(wù)接入點(diǎn))NTPNetwork Time Protocol網(wǎng)絡(luò)時(shí)間協(xié)議NWNetwork網(wǎng)絡(luò)O O1GAB1Port Gigabit Ethernet Interface Unit ( Singlemode, medium distance)單模10kmSC接口1路1000M以太網(wǎng)光接口板ODBOperator Determined Barring運(yùn)營(yíng)者決定的閉鎖OCCCHODMA Common Control ChannelODMA公共控制信道ODCCHODMA Dedicated Control ChannelODMA專(zhuān)用控制信道ODCHODMA Dedicated ChannelODMA專(zhuān)用信道ODCHODMA Dedicated Transport ChannelODMA專(zhuān)用傳輸信道ODMAOpportunity Driven Multiple Access機(jī)會(huì)驅(qū)動(dòng)多址接入ODTCHODMA Dedicated Traffic ChannelODMA專(zhuān)用業(yè)務(wù)信道OEMOriginal Equipment Manufacturer 原設(shè)備制造商O(píng)amp。WCDMA常見(jiàn)縮略語(yǔ)縮略語(yǔ)英文全稱(chēng)中文解釋2G2nd Generation Mobile Communications System第二代移動(dòng)通信系統(tǒng)3G，3GMS3rd Generation Mobile Communications System第三代移動(dòng)通信系統(tǒng)3GPP3rd Generation Partnership Project第三代合作組織A AAAAuthentication, Authorization, Accounting鑒權(quán)、授權(quán)、計(jì)費(fèi)AAL1ATM Adaptation Layer type 1ATM適配層類(lèi)型1AAL2ATM Adaptation Layer type 2ATM適配層類(lèi)型2AAL5ATM Adaptation Layer type 5ATM適配層類(lèi)型5ABRAvailable Bit Rate可用比特率ACLAccess Control List訪問(wèn)控制列表ACSAdd, Compare, Select加,比,選ADMFAdministration Function at the LIANLIAN中的管理功能實(shí)體ADTAdaptive Dynamic Threshold自適應(yīng)動(dòng)態(tài)閥值A(chǔ)GAccess Gateway接入網(wǎng)關(guān)AIAcquisition Indicatior捕獲指示AICHAcquisition Indication Channel捕獲指示信道ALIMATM Line Interface Module subrackATM線路接口插框AMAccount Management計(jì)費(fèi)管理AMAcknowledged Mode確認(rèn)模式AMRAdaptive MultiRate自適應(yīng)多速率ANSIAmerican National Standard Institute美國(guó)國(guó)家標(biāo)準(zhǔn)組織AoCCAdvice of Charge Charging計(jì)費(fèi)費(fèi)用通知AoCIAdvice of Charge Information計(jì)費(fèi)信息通知APAccess Point接入點(diǎn)APAccess Preamble接入前導(dǎo)APNAccess Point Name接入點(diǎn)名稱(chēng)ARPAddress Resolution Protocol地址解析協(xié)議ARQAutomatic Repeat Request自動(dòng)重發(fā)請(qǐng)求ASAp