常用英语缩写通信

A3鉴权算法A3A3/8实现A3和A8功能的单独算法A5/1加密算法A5/1A5/2加密算法A5/2A5/X加密算法A5/07A8长生密钥的算法A8ABAccess Burst 接入突发脉冲Access Class（C0 to C15）访问类别（从C0到C15）Application Context 应用上下文ACCAutomatic Congestion Control 自动拥塞控制ACCHAssociated Control Channel 随路控制信道ACKACKnowledgement 证实（用于信令）Accumulated Call Meter 累计呼叫记录Address Complete Message 地址完全的消息ACUAntenna Combining Unit 天线合成单元Administration Center 管理中心Analogue to Digital Converter 模数转换器ANDAbbreviated Dialing Number 缩位拨号ADPCMAdaptive Differential Pulse Code Modulation 自适应差分脉冲编码调制AEApplication Entily 应用实体AECAcoustic echo control 回音控制AEAdditional elementary functions 附加基本功能AGCHAccess grant channel 接如允可信道AiActions indictor 动作指示器AoCAdvice of charge 费用建议AoCCAdvice of charge charging supplementary service 费用建议信息补充业务AoCIAdvice of charge information Supplementary service 费用建议信息补充业务ASEApplication service element 应用服务单元ASN.1Abstract syntax notation one 抽象语法表示1ARFCNAbsolute radio frequency channel number 绝对无线频率信道号ARQAutomatic request for retransmission 自动重法请求ATT(flag)Attach 附着(用于信令)AUAccess unite 访问单元AuCAuthentication center 鉴权中心AUT( H )Authentication 鉴权BABCCH allocation BCCH 分配BAICBarring of all incoming calls supplementary service 限制所有呼入呼叫的补充业务BAOCBarring of all outgoing calls supplementary service 限制所有呼出呼叫的补充业务BCCBase transceiver station (BTC)color channel 基站收发器代码BCCHBroadcast control channel 广播控制信道BCDBinary coded decimal 二进制编码的十进制BCF Base station control function 基站控制功能ACACMADCBCIE Bearer capability information载波容量信息单元BER Bit error rate误码率BFI Bad frame indication坏帧指示BI all barring of incoming callsupplementary service所有的限制呼入呼出补充业务BICRoam Barring of incoming calls whenroaming outside the room PLMNcountry supplement service在注册PLMN的国家之外限制呼入呼出的补充业务BN Bit number比特数BO All barring of outgoing callsupplementary service所有限制呼入呼出的补充业务BOIC Barring of outgoinginternational callssupplementary service限制国际呼叫的补充业务BOICexHC Barring of outgoinginternational calls exceptthose directed to the home PLMNcountry supplementary service除了直接呼叫注册的PLMN国家以外限制国际呼入呼出的补充业务BS Bearer service载波服务BSG Basic service (group)基本服务Basic service group基本服务组BSC Base station controller基本控制器BSIC Base transceiver stationidentity code基站识别码BSICNCELL BSIC of an adjacent cell相邻小区BSIC BSS Base station system基站子系统BSSAP Base station system applicationpart基站子系统应用部分BSSMAP Base station system managementapplication part基站子系统管理应用部分BSSOMAP Base station system operationmanagement application part基站子系统操作和维护应用部分BTS Base transceiver station基站C Conditional有条件的CA Cell allocation小区分配CAI Charge advice information收费建议信息CB Cell broadcast小区广播CBC Cell broadcast center小区广播中心CBCH Cell broadcast channel小区广播信道CBMI Cell broadcast messageidentifier小区广播信息表示符CC Country code国家代码Call control呼叫控制CCBS Completion of calls to busysubscriber supplementaryservice对占线用户的完成呼叫的补充业务CCCH Common control channel公用控制信道CCF Conditional call forwarding条件呼叫转移CCH Control channel控制信道CCITT The international telegraph andtelephone consultativecommittee国际电报电话质询委员会CCM current call meter当前呼叫纪录CCP Capability /configurationparameter容量/配置参数CCPE Control channel protocol entity控制信道协议实体Cct Circuit电路CDUR Chargeable DURation计费时间CED Call station identifier被呼叫的基站表示符CEID Central equipment identifierregister中央设备寄存器CEND End of charge point计费点CEPT Conference of European post andtelecommunicationadministration欧洲邮政和远程通信会议CF Conversion facility变换设施All call forwarding service所有的呼叫转移服务Call forwarding on mobilesubscriber busy supplementaryservice遇忙呼叫转移补充服务CFNRc Call forwarding on mobilesubscriber not reachablesupplementary service不再服务区呼叫转移补充服务CFNRy Call forwarding on no replysupplementary service无应答呼叫转移补充服务CFU Call forwarding unconditionalsupplementary service无条件呼叫转移补充服务CHP Charging point计费点CHV Card holding verificationinformation卡持有者验证信息CI Cell identity CUG index小区标示CUG索引CIR Carrier interference ratio载波干扰比CKSN Ciphering key sequence number密钥序列码CLI Calling line identity呼叫线路标示CLIP Calling line identificationpresentation supplementaryservice呼叫线路标示显示补充业务CLIR Calling line identificationrestriction supplementaryservice呼叫线路标示限制补充业务CM Connection management连接管理CMD command命令CMM Channel mode modify信道模式更改CNG CalliNG tone呼叫音调COLI Connected line identity连接线路标示COLP Connected line identificationpresentation supplementaryservice连接的线路标示显示补充业务COLR Connected line identificationrestriction supplementaryservice连接的线路标示限制补充业务COM COmplete完成CONNACK CONNect acknowledgement连接确认C/R Command/response field bit命令/相应比特CRC Cyclic redundancy check冗余循环校验CRE Call Reestablishment procedure呼叫重建立过程CSPDN Circuit switching public datanetwork电路交换公众数据网Call transfer supplementservice呼叫转移补充业务Channel test信道测试CT CFBChannel type信道类型CTRCommon technical regulation 通用技术规定CUGClose user group supplementary service 闭合用户组补充业务CWCall waiting supplementary service 呼叫等待补充业务DACDigital to analogue converter 数模转换D BDummy burst 填充突发脉冲DCCHDedication control channel 专用控制信道DCEData circuit terminating equipment 数据电路终端DCFData communication function 数据通信功能DCM Data conversion module 数据转换模块1800MHz数字蜂窝系统,和900MHzads13东oitK:JFD()$#_本文来自移动通信网,版权所有并称双频网#(*)#$@&%#*K:JFD()$#_*本文来自移动通信网,版权所有DET Detach 分离DISCDisconnect 断开连接DLData link(layer)数据链路层DLCIData link connection identifier 数据链路连接标示DLDData link discriminator 数据链路鉴别器DmControl channel (isdn )控制信道(用于isdn )DMRDigital mobile radio 数字无线移动DNICData network identifier 数据网标示DPDial /dialed pulse 拨号脉冲DRXDiscontinuous reception 非连续的接受DSEData switch exchange 数据交换DSIDigital speech interpolation 数字语音插值DSSIDigital subscriber signaling No.1一号数字用户信令DTAPDirect transfer application part 直接传送应用部分DTEData terminal equipment 数据终端DTMFDual tone multi Frequency 双音频DTXDiscontinuous transmission 非连续传送EAExternal alarms 外部警告EBSGElementary basic service group 基本服务组ECMError correction mode 差错纠正模式Ec/NoRatio of energy per modulating bit to the noise spectral density 每调制比特功率和噪声频谱密度的比率ECTExplicit call transfer supplementary service 显示呼叫转移补充业务EELElectric echo loss 电力回波损耗EIREquipment identity register 设备标示寄存器ELEcho loss 回波损耗EMC Electromagnetic compatibility 电磁兼容性CTDCS1800Digital cellular system at 1800MHzEMIElectromagnetic interference 电磁干扰EmlppEnhanced multilevel preecednce and preemption service 增强多层优先服务EMMIElectrical man machine interface 电力人机接口EPROMErasable programmable read only memory 可擦除的可编程只读存储器ERPEar reference point 听力产参考点ERRerror 错误ETRETSI technical report ETSI 的技术报告ETSEuropean telecommunication standard 欧洲电信标准ETSIEuropean telecommunication standard institute 欧洲电信标准协会FAFull allocation fax adaptor 完全分配传真适配器FACFinal assembly code 最终集结码FACCHFast associated control channel 快速随路信道FACCH/FFast associated control channel /full rate 快速随路信道/权速率FACCH/HFast associated control channel /half rate 快速随路信道/半速率FBFrequency correction burst 突发脉冲频率矫正FCCHFrequency correction channel 频率矫正信道FCSFrame check sequence 帧检查序列FDMFrequency division multiplex 频分多路复用FDNFixed digital number 固定拨号FECForwarding error correction 前向纠错FERFrame erasure ratio 帧消除比率FHFrequency hopping 跳频FNFrame number 帧号FRFull rate 全速率FTAFinal type approval 最终型号标准FTAMFile transfer ,access and manipulation 文件传输访问和使用FTNForwarded and number 前转号码GCRGroup call register 呼叫组寄存器GMSCGateway mobile service switching center 移动业务交换中心网关GMSKGaussian minimum shift keying modulation 高斯整形滤波最小频移键控GPAGsm plmn area GSM PLMN 区域GPRSGeneral packet radio service 通用无线分组服务GPRSGeneral power supply unite 通用功率电源单元GSAGsm system area GSM系统区域GSMGlobal system for mobile communication 全球移动通信系统GSM PLMNGsm public land mobile network 公用陆地移动网络GTGlobal title 全球标示HDLCHigh level data link control 高层数据链路控制HLCHigh layer compatibility 高层兼容性HOHANDOver 切换HOLD Call hold supplementary service 呼叫保持补充业务HOLMN Home PLMN归属PLMN HPU Hand portable手持单元HSN Hopping sequence number跳频序列数字I Information frame信息祯IA Incoming access呼人接入IAM Initial address message初始地址消息IC Interlock code互琐码ICB Incoming call barred限制呼入呼叫ICC Inte grated circuit card集成电路卡IC Interlock code优先互琐码ICM Incall modification呼入呼叫更改ID Identification/identity/identifer标示IDN Integrated digital network综合数字网IE Signaling information element信息单元IEI Information element identifier 信息单元表示IETS Interim Europeantelecommunication standart临时欧洲电信标准IMEI international mobile stationequipment identity国际移动台设备表示IMSI International mobile subscriberidentity国际移动用户标示IN Interrogting node询问节点ISC International switch center国际交换中心ISDN Integrated service digitalnetwork综合业务数字网ISO International organization forstandardzation国际标准化组织ISUP Isdn user part (of signalsystem No.7)ISDN用户部分ITC Information transfer capability信息传送容量IWF Interworking functions互连功能IWMSC Interworking MSC互连的MSC IWU Interworking Uinte互连的单元Kc Ciphering key密钥Ki Individual subscriberauthentication用户鉴权密钥L3Layer 3第三层LA Location area位置区域LAC Location area code位置区域码LAI Location area identity位置区域标示LAN Local area network本地网LAPB Link access protocol balanced平衡的链路接入协议LAPDm Link access protocol on thechannel在Dm信道上的链路接入协议LCN Local communication network本地通信网LE Local exchange本地交换LLC Low layer compatibility低层兼容性LMSI Local mobile station identity本地移动台标示LNA Low number digled低噪声放大器LND Last number dialed上次拨叫号码LPLMN Local PLMN本地PLMN LR Location register位置积存器LTE Local terminal emulator 本地终端模拟器LU Local units本地单元LV Length and value长度和含义M Mandatory必备的MA Mobile allocation移动分配MACN Mobile allocation移动分配信道号MAF Mobile allocation channelnumber移动附加功能MAH Mobile access huntingsupplementary service移动搜寻补充功能MAI Mobile allocation index移动分配索引MAIO Mobile allocation index offset 移动分配索引偏移MAP Mobile allocation part 移动应用部分（用于MSC间的信令）MCC Mobile country code移动国家代码MCI Malicious call identificationsupplementary service恶意呼叫识别补充业务MD Mediation device中介设备MDL Mobile management data link 管理数据链路ME Mobile equipment维护实体MEF Maintenance entity functions 维护实体功能MF Multiframe复祯MHS Message handling system消息处理系统MIC Mobile interface controller 移动接口控制MLSE Maximum likelihood system 最大自然序列估计Man machine人机Mobility management移动性管理MME Mobility management entity 移动性管理实体MMI Man machine interface人机接口MNC Mobile network code移动网络代码MO Mobile originated call移动主叫MoU Memorandum of understanding 谅解备忘录MPH Mobile management physical 管理物理MPTY Multiparty supplementary service 多方通话补充业务MRP Mouth reference point口参考点MS Mobile station移动台MSC Mobile service switch center 移动交换台MSCM Mobile station class mark 移动台类别标志MSCU Mobile station control unite 移动台控制单元MSISDN Mobile station ISDN移动台号码MSRN Mobile station roaming number 移动台漫游号码MT Mobile terminated移动被叫MT Mobile termination移动终端MTBF Mean time between failure 平均无故障时间MTC Mobile terminate call移动被叫MTM Mobile to mobile移动台到移动台的呼叫MTP Mark up 消息传输部分MMMU Multi user mobile station标记MUMS Multiuser mobile station多用户移动台N/W Network网络NB Normal brust正常突发脉冲NBIN A parameter in the hoppingsequence一个跳频序列中的参书NCC Network PLMN color code网络代码NCELL Neighboring cell当前小区的邻小区NDC National destination code本国目的代码NDUB Network determined user busy由网络确定用户忙NE Network element网络单元NEF Network element function网络单元功能NF Network function网络功能NIC Network independent clocking与网络无关的定时NM Network management网络管理NMC Network management center网络管理中心NMSI National mobile stationidentification number本国移动的标示号NPI Number plan identifier号码规划表示NSAP Network service access point网络业务接入点NT No transparent网络终端NTABB New type approval advisory新类型批准部门NUA Network user access网络用户接口NUI Network user identification网络用户标识NUP National user part本国用户标准O Optional可选的OA Outgoing access呼出接入O&M Outgoing & maintenance操作和维护OACSU Off air call setup 不占用空中信道的呼叫建立OCB Outgoing calls barred withinthe CUGCUG中限制呼出呼叫OD Optional for operators toimplement for their aim运营商为实现不同的目的的可选部分OLR Overall loudness rating锋值音量比率OMC Operations and maintenancecenter操作和维护中心OML Operations and maintenance link操作和维护链路OMS-B Operations and maintenancesystem for the BBS对BBS的操作和维护OS Operation system操作系统OSI Open system interconnection开放系统互连模型OSI RM OSI reference model OSI参考模式PABX Private automatic branchexchange专用自动交换机PAD Packet assemble /disassembly分组集结PCH Paging channel寻呼信道PCM Pulse code modulation脉冲编码调制PD Protocol discriminator协议鉴别器PDN Public data network公用数据网PH Packet handle分组处理PHI Packet handle interface分组处理接口PI Presentation indicator显示指示PICS Protocol implementationconformance statement协议实现一致性申明PIN Personal identification code个人识别码PLXT Protocol implementation extrainformation for testing用于测试的协议实现附加信息PLMN Public lands mobile network公用陆地移动网络PP Performance management性能管理POI Point of interconnection和PSDN互连点PP Point to point点到点PPCC Peripheral processor for CCSS 7对CCCS7的外围处理器PPLD Peripheral processor for LOAD对LOAD的外围处理器PREF CUG Preferential CUG优先的CUGPS Location probability位置可能性PSPDN Packet switched public datanetwork分组交换公用数据网PSTN Packet switched telephonenetwork公用电话交换网PUCT Price per unit currency table每单元价格表PUK PIN unblock key PIN解锁密码PW Pass word密码QA Q adapter Q 接口适配器QAF Q adapter functions Q Q 接口适配器功能QOS Quality of service业务质量RA Random mode request informationfield随机模式请求信息区域RAB Random access brust突发脉冲随机接入RACH Random access channel随机接入信道RAND Random number随机数RBER Residual bit error ratio剩余误比特率RDI Restricted digital information限制的数值信息REC Recommendation建议REJ e Rejection拒绝REL Release释放REQ Request请求RF Radio frequency射频RFCI Radio frequency channel无线频率信道RFCH Radio frequency channel无线频率信道RFN Reduced TDMA frame number缩减TDMA信道RFU Reserved for future use为将来保留RLP Radio link protocol无线链路协议RLR Receiver loudness rating接受音量比率RMS Root mean square均量值RNTABLE Table of 128 integer in thehopping sequence跳频序列中的128个整数表ROSE Remote operation serviceelement 远程超做业务单元RR Radio resource无线资源RSE Radio system entity无线系统实体RSL Radio signaling link无线信令链路RSZI Regional subscription zoneidentity区域的预约区域标识RTE Remote terminal emulator远端终端模拟器RX Receiver signal level接受的信号强度RXAMOD Received antenna module接受的无线摸快RXMUCO Receiver multi coupler接受多路耦合器RXQUAL Received signal quality接受的信号质量S/W Software软件SABM Set asynchronous balanced mode置异步平衡模式SACCH Slow associated control channel慢速随路控制信道SACCHG/4Slow associated controlchannel/sdcch/4慢速随路控制信道/SDCCH4SACCH/8Slow associated controlchannel/sdcch/8慢速随路控制信道/SDCCH8SACCH/T Slow associated controlchannel/traffic channel慢速随路控制信道/业务信道SACCH/TF Slow associated controlchannel/traffic channel fullrate慢速随路控制信道/全速业务SAP Slow associated controlchannel/traffic channel halfrate业务接入点SAPI Service access point indicator业务接入点指示SB Synchronization同步突发脉冲Service center接入中心Service code接入代码SCCP Signaling connection controlpart信令连接控制部分SCH Synchronization channel同步信道SDCCH Standalone dedicated controlchannel独立专用信道SDL Specification description说明与描述语言SDT SDL development tool SDL开发工具SDU Service data unit业务数据单元SE Support entity支持实体SEF Support entity functions支持实体功能SFH Slow frequency hopping慢速跳频SI Screening indication屏蔽SIM Subscriber identity业务互作用SLR Send loudness rating发送音量比率SLTM Signaling link test message信令链路测试消息SMAP System management系统管理应用程序SM Security management安全SME Short message entity短消息实体SMG Special mobile group短消息组SMISE Special management informationservice element专用管理信息业务SMS Short message service短消息业务SMSCB Short message service cellbroad cast短消息业务小区广播SMSSC Short message service center短消息业务中心SCSMS/PPShort message service/point to point 短消息业务/点到点SMTShort message terminal 短消息终端SNSubscriber number 用户号码SNRSerial number R 序列好SOASuppress outgoing access 抑制呼出接入Service provider 业务提供商Signaling Point 信令点Signaling point code 信令点代码Suppress Preferential CUG 抑制优先的CUG SRESSigned RESponse 鉴权响应数Supplementary service system simulator 补充业务System Simulator 系统模拟器SSCSupplementary service control string 补充业务控制串SSNSubsystem NO 7子系统号码SS7/SS#7Signaling system NO 7七号信令STMRSide tone masking rating 侧音屏蔽比率STPSignaling transfer 信令传输点SVNSoftware version 软件版本好SWMSoftware management 软件管理TTimer 时钟Terminal Adaptor 终端适配器Time advance 时间提前量TACType approval Code 类型批准代码TAFTerminal adaptation Function 终端适配功能TBRTechnical basis for regulation 规定的技术基础TCTransaction capabilities 处理能力TCAPTransaction capabilities application part 事物处理能力的应用部分TCHTraffic channel 业务信道TCH/FA full rate tch 全速业务信道TCH/F2.4A full rate tch/2,4 k 全速业务信道(<=2.4k bit)TCH/F4.8A full rate tch /4.8k 全速业务信道(4.8k)TCH/F9.6A full rate tch/9.6k 全速业务信道(9.6k)TCH/FSA full rate speech ch 全速 语音信道TCH/HSA half rate tch 半速 语音信道TCITranseceiver control interface 收发信机控制接口TCTRTechnical committee technical report 技术委员会技术报告TDMATime division multiple access 时分多址TETerminal equipment 终端设备TEITerminal endpoint identifier 终端点标识TFATransfer allowed 允许传送TFPTransfer allowed 禁止窜送TITransaction identifier 事物处理标识TLVType length and value 类型长度和含义TM Test management 测试管理TASPSPCSSTMN Telecommunication managementnetwork电信管理网TMSI Temporary mobile subscriberidentity临时移动用户号码TN Timeslot number时隙号TON Type of number数字类型TRAU Trans coding and rate adaptionunit码型转换和速率适配单元TRX Transceiver收发信机Time slot时隙Tchnical Specification技术标准TSC Training sequence code训练序列代码TSDI Transceiver speech &datainterface收发信机语音和数据接口TTCN Tree and tabular combinednotation数表结合表示TUP Telephone user part电话用户部分TV Type sand value类型和含义UDI Unrestricted digitalinformation 无限制的数字信息UDUB User determined user busy有用户决定的用户忙UI Unmumbered information无序信息UPCMI Uniform PCM interface统一的PCM接口UPD Up to date最新的USSD Unstructured supplementaryservice data未组织的补充业务数据UUS User to user signalingsupplementary service用户到用户的信令补充V Value only含义VAD Voice activity deteection语音激活检测VAP Video tex access point可视数据接入点VBS Voice broadcast service语音广播业务VGCS Voice group call service语音组呼叫业务VLR Visitor location register接入位置寄存器VMSC Visited MSC被访问的MSC VPLMN Visited PLMN被接入的MSCVSC VideoTEX service center可视数据业务中心VSWR Voltage standing wave ratio电压驻波比VSD Send state variable发送状态变量VTX The components dedicated tovideotex service专门用于可视数据的组件WARC World adminstrative radioconference世界无线电行政大会WS Word ststion工作站WPA Wrong password attempts密码错误TS。