缩写英文全称中文全称3GPP3G Partnership Project第三代移动通信伙伴组织3GPP23G Partnership Project 2第三代移动通信伙伴组织2A/D Analogue-to-Digital(Conversion) 模拟/数字（转换）AAL ATM Adaptation Layer ATM适配层AB Address Bus地址总线ACK Acknowledgement确认字符ADM Add/Drop Multiplexer分叉复用器ADPCM Adaptive Difference Pulse Code Modulation自适应差分脉冲编码调制ADSL Asymmetric Digital Subscriber Line非对称数字用户环路AGC Automatic Gain Control自动增益控制AH Authentication Header认证头ALU Arithmetic Logic Unit算术逻辑单元AM Amplitude Modulation幅度调制AMPS Advanced Mobile Phone System先进移动电话系统AN Access Network接入网AP Access Point接入点API Application Program Interface应用程序接口ARP Address Resolution Protocol地址解析协议ARP Address Resolution Protocol地址解析协议ARQ Automatic Repeat reQuest自动要求重发ARQ Automatic Repeat Request自动重传请求AS Application Server应用服务器ASCII American Standard Code for Information Interchange美国信息交换标准码ASK Amplitude Shift Keying幅移键控ASON Automatically Switched Optical Network自动交换光网络ATM Asynchronous Transfer Mode异步传输模式AU- PTR Administration Unit Pointer管理单元指针Auto-ID Automatic Identity自动识别AVC Advanced Video Coding高级视频编码B/S Browser/Server浏览器/服务器模式BGCF Breakout Gateway Control Function出口网关控制功能B-ISDN Broadband Integrated Services Digital Network宽带综合业务数字网BPF Band-Pass Filter带通滤波器BRAS Broadband Remote Access Server宽带远程接入服务器BS Basic Station基站BSS Broadcasting Satellite Service广播卫星业务C/S Client/Server客户端/服务器CB Control Bus控制总线CC Common Criteria联合公共准则CCI Connection Control Interface连接控制接口CCITT Consultative Committee for International Teleg-raph and Telephone国际电报电话咨询委员会CDM Code Division Multiplexing码分复用CDMA Code Division Multiple Access码分多址CDN Content Distribution Network内容分发网络CERNET China Education and Research Net中国教育和科研计算机网CES Coast Earth Station通信卫星系统岸站CF Core Function核心功能CHINADDN CHINA Digital Data Network中国公用数字数据网CHINAFRN CHINA Frame Relay Network中国帧中继网CHINAGBN CHINA Golden Bridge Network中国金桥信息网CHINANET China Network 中国公用计算机互联网CHINAPAC CHINA Public Allocation Changeability中国公用分组交换数据网CNNIC China Internet Network Information Center中国互联网络信息中心COFDM Coded Orthogonal Frequency Division Multiplexing编码正交频分复用CPN Customer Premises Network用户驻地网CPU Central Processing Unit中央处理器CRF Charging Rules Function计费规则功能CS Circuit Switch电路交换CSCF Call Session Control Function呼叫会话控制功能CSMA Carrier Sense Multiple Access载波检测多路访问CSMA/CD Carrier Sense Multiple Access with Collision Detection载波监听多点接入/碰撞检测CSPF Constrained Shortest Path First约束最短路径优先CTCPEC Canadian Trusted Computer Product Evaluation Criteria加拿大评价标准CWDM Coarse Wavelength Division Multiplexing粗波分复用DB Data Bus数据总线DB Data Base数据库DBA Data Base Administrator数据库管理员DBMS Data Base Management System数据库管理系统DBS Data Base System数据库系统DDN Digital Data Network数字数据网DDoS Distributed Denial of Service分布式拒绝服务DEP Data Execution Prevention数据终端DHCP Dynamic Host Configuration Protocol动态主机配置协议DIP Data Integration Point数据集成点DMT Discrete Multi-Tone离散多音频DNS Domain Name System域名系统DOS Disk Operating System磁盘操作系统DPCM Differential Pulse Code Modulation差分脉冲编码调制DPSK Differential Phase Shift Keying差分相移键控DQDB Distributed Queue Dual Bus分布式队列双总线DS Distribution System分配系统DSB Double-Sideband modulation双边带调制DSL Digital Subscriber Line数字用户环路DWDM Dense Wavelength Division Multiplexing密集波分复用DXC Digital Cross Connect数字交叉连接EDFA Erbium Doped Fiber Amplifier掺铒光纤放大器EHF Extremely High Frequency极高频EIRP Effective Isotropic Radiated Power有效全向辐射功率ELF Extremely Low Frequency极低频ENIAC Electronic Numerical Integrator Ancl Calculator电子数字积分计算机EPC Electronic Product Code产品电子代码EPON Ethernet Passive Optical Network以太网无源光网络EPoSS European Technology Platformon on Smart Systems Integration欧洲智能系统集成技术平台ESP Encapsulating Security Payload封装安全有效载荷FC Federal Criteria美国联邦准则FDD Frequency Division Duplexing频分双工FDDI Fiber Distributed Digital Interface光纤分布式数字接口FDM Frequency Division Multiplexing频分复用FDMA Frequency Division Multiple Access频分多址FEC Forward Error Correction前向纠错FFT Fast Fourier Transformation快速傅丽叶变换FM Frequency Modulation频率调制FRA Fiber Raman Amplifier光纤拉曼放大器FSK Frequency Shift Keying频移键控FSS Fixed Satellite Service固定卫星业务FTP File Transfer Protocol文件传输协议FTTx Fiber To The x光纤接入GDN Global Data Network全球星数据网GEO Geosynchronous Earth Orbit对地静止轨道GFP Generic Framing Procedure通用成帧规程GMSK Gaussian Filtered Minimum Shift Keying高斯最小频移键控GOCC Ground Operation Control Center地面操作控制中心GPON Gigabit Passive Optical Network吉比特无源光网络GPRS General Packet Radio Service通用分组无线服务技术GPS Global Positioning System全球定位系统GSM Global System for Mobile Communication全球移动通信系统GSMP General Switch Management Protocol通用交换机管理协议GW Gateway关口站H2H Human to Human人到人H2T Human to Thing人到物品HF High Frequency高频HFC Hybrid Fiber Coax混合光纤同轴电缆HPA High Power Amplifier高功率放大器HSS Home Subscriber Server归属用户服务器HTTP Hyper Text Transfer Protocol超文本传输协议IAB Internet Architecture Board因特网体系结构委员会ICMP Internet Control Message Protocol因特网控制报文协议ICMP Internet Control Message Protocol因特网控制报文协议ICP Internet Content Provider网络内容服务商ICT Information Communications Technology信息与通信技术IDC Internet Data Center互联网数据中心IESG Internet Engineering Steering Group因特网工程指导小组IETF Internet Engineering Task Force互联网工程任务组IFMP Ipsilon Flow Management Protocol Iplison流量管理协议IGMP Internet Group Management Protocol因特网组管理协议IM-MGW IMS Media Gateway IMS媒体网关IMS IP Multimedia Subsystem IP多媒体子系统IMS-MGW IMS Media Gateway IMS多媒体网关IMT-2000International Mobile Telecom System-2000国际移动电话系统-2000IMT-Advanced International Mobile Telecommunications-Advanced高级国际移动通信IOT Internet Of Things物联网IP Internet Protocol网络互联协议IP-CAN IP-Connectivity Access Network IP连接网络IPSec Internet Protocol Security Internet 协议安全性IP-VPN IP-Virtual Private Network互联网虚拟专用网业务IRSG Internet Research Steering Group因特网研究指导小组IRTF Internet Research Task Force因特网研究部IS Interim Standard暂时标准ISAKMP Internet Security Association Key Management Protocol Internet安全联盟密钥管理协议ISDN Integrated Services Digital Network综合业务数字网ISO International Organization for Standardization国际标准化组织ISOC Internet Society国际互联网协会ISP Internet Service Provider网络服务提供商ISUP ISDN User Part ISDN 用户部分ITSEC Information Technical Security Evaluation Criteria信息技术安全评估标准ITU International Telecommunication Union国际电信联盟ITU-R International Telecommunication Union-Radiocommunicationssector国际电信联盟-无线电通信组IVR Interactive Voice Response交互式语音服务LAN Local Area Network局域网LAPS Link Access Procedure-SDH基于SDH链路接入规程LCAS Link Capacity Adjustment Scheme链路容量调整机制LDPC Low Density Parity Check Code低密度奇偶校验码LEO Low Earth Orbit （satellite）低轨道地球（卫星）LF Low Frequency低频LMDS Local Multipoint Distribution Services本地多点分配业务LNA Low Noise Amplifier低噪声放大器LPF Low Pass Filter低通滤波器LPR Local Primary Reference区域基准时钟源LSP Label Switching Path标签交换通道LTE Long Term Evolution长期演进M2M Machine to Machine机器对机器MAC Media Access Control媒体访问控制MAI Multiple Access Interference多址干扰MAN Metropolitan Area Network城域网MES mobile equipment station移动终端MF Medium Frequency中频MGCF Media Gateway Control Function媒体网关控制功能MIMO Multiple-Input Multiple-Output多输入多输出技术MIT Massachusetts Institute of Technology麻省理工学院MMDS Multichannel Microwave Distribution System多路多点分配业务MOSS MIME Object Security Service MIME对象安全服务MPEG Moving Picture Experts Group动态图像专家组MPI Main Path interface主通道接口-MPSK Multiple phase shift keying 多进制相移键控MRF Media Resource Function多媒体资源功能MRFC Multimedia Resource Function Controller多媒体资源功能控制器MRFP Multimedia Resource Function Processor多媒体资源功能处理器MS Mobile Station移动台MSC Mobile Switching Center移动交换中心MSK Minimum Shift Keying最小频移键控MSOH Multiplex Section Overhead复用段开销MSS Mobile Satellite Service移动卫星业务MSTP Multi Service Transfer Platform（基于SDH 的）多业务传送平台NCC Global Star Network Control Center全球星控制中心NCS Network Coordination Station网络协调站NE Network Entity网络单元NetBIOS Network Basic Input/Output System网络基本输入/输出系统NFV Network Function Virtualization网络功能虚拟化NGI Next Generation Internet下一代互联网NGN Next Generation Network下一代网络NMI Network Management Interface网络管理接口NMT Nordic Mobile Telephony北欧移动电话NOC Network Operation Center网络控制中心NSF National Science Foundation国家科学基金会NTT Nippon Telegraph & Telephone日本电报电话公司OADM Optical Add-Drop Multiplexer光分插复用器OAM Operation Administration and Maintenance操作管理维护OCC Optical Connection Control光连接控制ODN Optical Distribution Network光分配网络OFDM Orthogonal Frequency Division Multiplexing正交频分复用OLA Optical Line Amplifier光线路放大器OLT Optical line terminal光线路终端ONU Optical Network Unit光网络单元OS Operating System操作系统OSC Optical Supervisory Channel光监控信道OSI/RM Open System Interconnection Reference Model开放系统互联参考模型OSPF Open Shortest Path First开放式最短路径优先OTM Optical Terminal Multiplexer光终端复用器OTU Optical Transform Unit光转换单元PC Permanent Connection永久连接PCM Pulse Code Modulation;脉冲编码调制P-CSCF Proxy-CSCF代理呼叫会话控制功能PDC Personal Digital Cellular个人数字蜂窝移动通信（日本）PDF Policy Decision Function策略决策功能PEM Privacy Enbanced Mail隐私增强邮件协议PGP Pretty Good Privacy用于数据加密和数字签名的程序（后来形成开放的标准 OpenPGP）PLMN Public Land Mobile Network公共陆地移动网络PM Phase Modulation相位调制PMD Polarization Mode Dispersion偏振模色散PMI Project Management Institute美国项目管理协会PN Pseudo Sequence伪随机序列PON Passive Optical Network无源光纤网络POP3Post Office Protocol - Version 3邮局协议版本3PPP Point To Point Protocol点到点协议PSK Phase Shift Keying相移键控PSTN Public Switched Telephone Network公共交换电话网络PTT Push To Talk一键通（按讲）PVC Permanent Virtual Circuit永久虚电路QAM Quadrature Amplitude Modulation 正交幅度调制QoS Quality of Service服务质量RAM Random Access Memory随机存储器RAN Radio Access Network无线接入网RARP Reverse Address Resolution Protocol反向地址转换协议REG Regenerative Repeater再生中继器RFC Request For Comments请求评论RFID Radio Frequency Identification射频识别RG Research Group研究组ROM Read Only Memory只读存储器RSOH Regenerator Section Overhead再生段开销RTT Radio Transmission Technology无线传输技术S/MIME Secure / Multipurpose Internet Mail Extensions多用途网际邮件扩充协议S/N Signal to Noise (ratio)信噪比SA Security Association安全联盟SBS Stimulated Brillouin Scattering受激布里渊散射SC Switched Connection交换连接S-CSCF Serving-CSCF服务呼叫会话控制功能SDH Synchronous Digital Hierarchy同步数字体系SDN Software Defined Network软件定义网络SEG Security Gateway安全网关SET Secure Electronic Transaction安全电子交易协议SGW Signal Gate Way信令网关SHF Super High frequency超高频SHTTP Secure HyperText Transfer Protocol安全超文本传输协议SIP Session Initiation Protocol会话初始协议SL Signaling Link信令链路SLF Super Low Frequency超低频SLF Subscription Locator Function签约定位功能SMF Service Management Functions系统管理功能SMTP Simple Mail Transfer Protocol简单邮件传输协议SNI Service Network Interface业务节点接口SNMP Simple Network Management Protocol简单网络管理协议SOA Semiconductor Optical Amplifier半导体光放大器SOCC Satellite Operation Control Center卫星操作控制中心SP Signaling Point信令点SP Security Policy安全策略SPC Soft Permanent Connection软永久连接SPF Service Port Function业务端口功能SPM Self Phase Modulation自相位调制SRS Stimulated Raman Scattering受激拉曼散射SSB Single-Sideband modulation单边带调制SSH Secure Shell 安全外壳协议SSL Secure Sockets Layer安全套接层协议STM-N Synchronous Transport Module level-N同步传输模块等级NSTP Signaling Transfer Point信令转接点SVC Switched Virtual Circuit交换虚电路SYN Synchronize同步T2T Thing to Thing物品到物品TACS Total Access Communications System全球接入通信系统TCB Trusted Computing Base可信计算基TCF Emission Control Facility发射控制设施TCP Transmission Control Protocol 传输控制协议TCP/IP Transmission Control Protocol/Internet Protocol传输控制协议/因特网互联协议TCSEC Trusted Computer Standards Evaluation Criteria可信任计算机标准评估准则TCU Telemetry Control Unit遥测控制单元TDD Time Division Duplexing时分双工TD-LTE Time Division Long Term Evolution时分长期演进技术TDM Time Division Multiplexing时分复用TDMA Time Division Multiple Access时分多址TD-SCDMA Time Division-Synchronous Code Division Multiple Access时分同步码分多址TF Transfer Function传送功能TFTP Trivial File Transfer Protocol简单文件传输协议TISPAN Telecommunications and Internet Converged Services andProtocols for Advanced Networking电信和互联网融合业务及高级网络协议TLS Transport Layer Security传输层安全协议TM Termination Multiplexer终端复用器TMF TeleManagement Forum电信管理论坛TMN Telecommunications Management Network电信管理网TRP Telecommunication Reference Point电信参考点UDP User Datagram Protocol用户数据报协议UHF Ultra High Frequency特高频ULF Ultra Low Frequency特低频UMTS Universal Mobile Telecommunications System通用移动通信系统UNI User Network Interface用户网络接口UPF User Port Function用户端口功能UWB Ultra Wideband 无线超宽带VC Virtual Container虚容器VCG Virtual Channel Group虚通道组VCI Virtual Channel Identifier虚通道标识符VDSL Very High Speed Digital Subscriber Line超高速数字用户线路VHF Very High Frequency甚高频VLF Very Low Frequency甚低频VPDN Virtual Private Dial－up Networks虚拟专用拨号网VPN Virtual Private Network虚拟专用网络VSAT Very Small Aperture Terminal甚小天线卫星地球站（也称“甚小口径地球站”）VSB Vestigial Sideband Modulation残留边带调制WAN Wide Area Network广域网WAP Wireless Application Protocol无线应用协议WBFM WideBand Frequency-Modulation宽带调频WCDMA Wideband Code Division Multiple Access宽带码分多址接入WDM Wavelength Division Multiplexing 波分复用WG Working Group工作组WiFi Wireless Fidelity 基于IEEE 802.11b标准的无线局域网WiMAX Worldwide Interoperability for Microwave Access全球微波互联接入WLAN Wireless Local Area Networks无线局域网WSIS World Summit on the Information Society信息社会世界峰会WSN Wireless Sensor Networks无线传感器网络WTLS Wireless Transport Layer Security无线安全传输层协议WWW World Wide Web万维网xDSL x Digital Subscriber Line各种数字用户线路XPM Cross-Phase Modulation交叉相位调制。