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1、附录 A 缩略语缩略语英语解释中文解释AAM/CMAdministration Module/Communication Module管理和通信模块BBABCCH AllocationBCCH分配BAMBack Administration Module后管理模块BCCBTS Color Code基站色码BCCHBroadcast Control CHannel广播控制信道BCHBroadcast channel (transport channel)广播信道 （传输信道）BIEBase Station Interface Equipment基站接口设备BITSBuilding Integra
2、ted Timing Supply大楼综合定时供给系统BMBasic Module基本模块BSBase Station基站BS1Abis InterfaceAbis接口BSCBase Station Controller基站控制器BSIUBase Station Interface Unit基站接口单元BSSBase Station Subsystem基站子系统BTSBase Transceiver Station基站收发信台CCACell Allocation小区分配CBCHCell Broadcast Channel小区广播信道CCCountry Code国家码CCCHCommon Con
3、trol Channel公共控制信道CCSCommon Channel Signaling共路信令方式CDUCombiner and Divider Unit合分路单元CGICell Global Identification全球小区识别码CICCircuit Identification Code电路识别码CRCCyclic Redundancy Check循环冗余校验CS-1Code Scheme-1编码模式1（9.05kbit/s）CS-2Code Scheme-2编码模式2（13.4kbit/s）CS-3Code Scheme-3编码模式3（15.6kbit/s）CS-4Code Sc
4、heme-4编码模式4（21.4kbit/s）CTNCentral Switching Network Board中央交换网板DDBFDatabase File数据库文件DPCDestination (Signaling) Point Code目的信令点编码DRXDiscontinuous Reception非连续接收DTXDiscontinuous Transmission非连续性发射EE3ME3 Sub-MultiplexerE3子复用设备EACExternal Alarm Collection外部告警采集ECSCEarly Classmark Sending Control早期类标发送控
5、制EDUEnhanced Duplexer Unit增强型双工单元EFREnhanced full rate speech code增强型全速率语音编解码ESTEstablishment建立FFACCHFast Associated Control Channel快速随路控制信道FBCPhotoelectric Conversion Board光电转换板FBIOptical Fiber Interface Board光接口板FPUFrame Processing Unit帧处理单元FTCFull Rate Transcoder全速率码变换器、全速率变码器FTPFile Transfer Pro
6、tocol文件传输协议FULRadio Signaling Link无线信令链路GGALMAlarm board告警板GCKSClock source时钟板GCTNCentral switching Network board中心交换网板GEMAEmergency Action board双机倒换板GFBIFiber Interface board光纤接口板GLAPLAPD Protocol Process boardLAPD协议处理板GMC2Inter-Module Communication board，模块通信板GMCCModule Communication and Control b
7、oard模块通信控制板GMEMMemory board数据库接口板GMPUMain Process Unit主处理单元GNETSwitching Network board交换网板GNODNode Communication Board节点通信板GOPTLocal Optical Interface Board光纤通信板GPRSGeneral Packet Radio Service通用分组无线业务GPSGlobal Position System全球定位系统GSMGlobal System for Mobile Communications全球移动通信系统GSNTGSM Signaling
8、Switching Network Board信令交换网板HHDLCHigh-level Data Link Control高级数据链路控制HOHandover切换HPAHigh magnification Power Amplifier board高增益功放板HSNHopping Sequence Number跳频序列号HWHighway母线IIDIDentification/IDentity识别INDIndication指示IOMUiSite Operation and Maintenance Unit操作维护单元板IPInternet Protocol互联网协议、 网际协议LLAPDLi
9、nk Access Protocol on the D-channelD信道上的链路访问协议LPN7Common Channel Signaling Processing Board公共信道信令处理板MMAMobile Allocation移动台（频率）分配MAIOMobile Allocation Index Offset移动分配索引偏移MCCMobile Country Code移动国家码MCKMain Clock board主时钟板MFUMicrocell Frame Unit微蜂窝帧处理单元MMUMultiplication and Management Unit复用管理单元MNCMo
10、bile Network Code移动网编号、移动网编码MSMobile Station移动台(手机)MSCMobile Switching Center移动交换中心MSMMSC Subrate channel MultiplexerMSC侧子复用板MTPMessage Transfer Part消息传递部分NNCCNetwork Color Code网络色码NSSNetwork SubSystem网络子系统OOMOpration and Maintenance操作维护OMCOperation and MaintenanceCenter操作维护中心OMLOperation and Mainte
11、nance Link操作与维护链路OMUOperation and Maintenance Unit操作维护单元OPCOriginating Point Code源信令点编码PPbPb InterfacePb接口PBCCHPacket Broadcast Control Channel分组广播控制信道PBGTPower Budget功率预算PBUPower Boost Unit功率增强单元PCCCHPacket Common Control Channel分组公共控制信道PCICPacket Circuit Identity Code分组电路标识码PCMPulse-Code Modulatio
12、n脉冲编码调制PCUPacket Control Unit分组控制单元PDHPlesiochronous Digital Hierarchy准同步数字系列PDTCHPacket Data Traffic Channel分组业务数据信道PLMNPublic Land Mobile Network公用陆地移动（通信）网PMUPower and Environment Monitoring Unit电源环境监测板PSUPower Supply Unit供电单元PWCSecondary Power Supply Board二次电源板RRACHRandom Access CHannel随机接入信道RSL
13、Radio Signaling Link无线信令链路SSACCHSlow Associated Control Channel慢速随路控制信道SAPIService Access Point Identifier业务接入点标识SCCPSignaling Connection Control Part信令连接控制部分SCUSimple Combiner Unit简单合路单元SDCCHStand-alone Dedicated Control Channel独立专用控制信道SITESite站点SMSub-Multiplexer Interface子复用板SMBCBShort Message Service Cell Broadcast短消息业务小区广播SMISub-Multiplexer Interface 子复用板SPSignaling Point信令点SS7Signaling System Number 7七号信令STPSignaling Transfer Point信令转接点TTATiming Advance时间提前量TCTranscoder码变换器TCHTraffic CHannel业务信道TCSMTranscoder and Sub-Multiplexer码变换与子复用单元（器）TEITerminal Equipment Identifier终端设备标识TESTransmi
