前言
这篇文章是我一个个敲字母，敲文档，敲我一天，先竖起大拇指。主要目的是做笔记，顺便和你分享。请给予更多的支持。
专业术语 A ------https://liwangjiang.blog.csdn.net/ |
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| A，Asub | A-interface | A接口 |
| AC | Alternating Current | 交流 |
| AC | Access Class(CO to C15) | 接入级别(CO 到 C15) |
| ACELP | Algebraic code excitation linear prediction | 预测代数码激励线 |
| ACOM | Antenna Combiner | 天线合路器 |
| AGCH | Access Grant Channel | 允许通信访问 |
| AM/CM | Administration Module/Communication Module | 管理和通信模块 |
| ANSI | American National Standard Institute | 国家标准组织 |
| APC | Automatic Power Control | 自动功率控制 |
| API | Application Program Interface | 应用程序接口 |
| APL | Advanced Phase Locking | 高级时钟锁相 |
| ARFCN | Absolute Radio Frequency Channel Number | 绝对射频信道型号 |
| ASIC | Application Specific Integrate Circuit | 专用集成电路 |
| AuC | Authentication Center | 鉴权中心 |
专业术语 B ------https://liwangjiang.blog.csdn.net/ |
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| BA | BCCH Allocation | 分配BCCH |
| BAM | Back Administration Module | 后管理模块 |
| BCC | BTS Color Code | 基站色码 |
| BCCH | Broadcast Control CHannel | 广播控制信道 |
| BCF | Base Control Function | 基本控制功能 |
| BCH | Broadcast channel(transport channel) | 广播信道 |
| BER | Bit Error Rate | 误码率 |
| BHCA | Busy Hour Call Attempt | 忙的时候试着打电话 |
| BIE | Base station Interface Equipment(board) | 基站接口设备 |
| BIOS | Basic Input Output System | 基本输入输出系统 |
| BITS | Building Integrated Timing Supply | 建筑综合定期提供系统 |
| BM | Basic Module | 基本模块 |
| BP | Burst Pulse | 突发冲脉 |
| BQ | Bad Quality | 质量差 |
| BS | Base Station | 基站 |
| BSI | Abis Interface | Abis接口 |
| BSC | Base Station ontroller | 基站控制器 |
| BSIC | Base Station Identity Code | 基站识别码 |
| BSMU | Base Station Interface Unit | 基站接口单元 |
| BSS | Base Station Subsystem | 基站子系统 |
| BSSAP | Base Station Subsystem Application Part | 基站子系统应用部分 |
| BSSGP | Base Station Subsystem GPRS Protocol | 基站系统GPRS协议 |
| BBSMAP | Base Station Subsystem Management Application Part | 基站子系统管理应用部分 |
| BTS | Base Transceiver Station | 基站收发信台 |
| BTSM | Base Transceiver Station Management | BTS管理 |
| BVC | BBSGP Virtual Connection | BSSGP虚拟连接 |
专业术语 B ------ https://liwangjiang.blog.csdn.net/ |
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| CA | Cell Allocation | 小区分配 |
| CAMEL | Customized Applications for Mobile network Enhanced Logic | 小区网络增强逻辑的客户化应用 |
| CBA | Cell Bar Access | 小区禁止接入 |
| CBC | Cell Broadcast Center | 小区广播中心 |
| CBCH | Cell Broadcast CHannel | 小区广播信道 |
| CBCCH | Cell Broadcast Control Channel | 小区广播控制信道 |
| CBQ | Cell Bar Qualify | 小区禁止限制 |
| CBSM | Cell Broadcast Short Message | 小区广播短消息 |
| CC | Country Code | 国家码 |
| CC | Calling Control | 呼叫控制 |
| CC | Connection Confirm | 呼叫控制 |
| CCB | Call Control Block | 呼叫控制块 |
| CCBS | Completion of Calls to Busy Subscribers | 遇忙回呼 |
| CCCH | Common Control Channel | 公共控制信道 |
| CCH | Control Channel | 控制信道 |
| CCS | Common Channel Signaling | 共路信令方式 |
| CD | Call Deflection | 呼叫偏移 |
| CDB | Cell Broadcast Database | 小区广播数据库 |
| CDU | Combining and Distribution Unit | 合分路单元 |
| CELP | Code Excited Linear Prediction | 码激励线性预测 |
| CGI | Cell Global Identity | 小区全球识别码 |
| CI | Cell Identity | 小区识别 |
| CIC | Circuit Identify Code | 电路识别码 |
| CIC | Carrier Identify Code | 电路识别码 |
| CIC | Carrier Interface Controller board | 载频接口控制器 |
| CIR | Carrier to Interference Ratio | 载干比 |
| CKSN | Ciphering Key Sequence Number | 密钥序列号 |
| CKV | Clock Drive board | 时钟驱动板 |
| CM | Connection Management | 接续管理 |
| CPU | Central Processing Unit | 中央处理单元 |
| CR | Connection Request | 连接请求 |
| CRC | Cyclic Redundancy Check | 循环冗余校验 |
| CRO | Cell Reselect Offset |
小区重选偏移 |
| CS | Coding Scheme | (信道)编码方式 |
| CS-1 | Code Scheme - 1 | 编码模式 --1 (9.05 kbit/s) |
| CS-2 | Code Scheme - 2 | 编码模式 --2 (13.4 kbit/s) |
| CS-3 | Code Scheme - 3 | 编码模式 --3 (15.6 kbit/s) |
| CS-4 | Code Scheme - 4 | 编码模式 --4 (21.4 kbit/s) |
| CTN | Central Switching Network Board | 中央交换网版 |
专业术语 D ------ https://liwangjiang.blog.csdn.net/ |
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| DB | Data Base | 数据库 |
| DBF | Database FIle | 数据库文件 |
| DBMS | Database Management System | 数据库管理系统 |
| DC | Direct Current | 直流 |
| DCCH | Dedicated Control Channel | 专用控制信道 |
| DCL | Diagnostic Control Link | 诊断控制链路 |
| DDN | Digital Data Network | 数字数据网 |
| DL | Downlink | 下行链路 |
| DLC | Data Link Connection | 数据链路连接 |
| DLCEP | Data Link Connection End Point | 数据链路连接端点 |
| DLCEPI | Data Link Connection End Point Identifier | 数据链路连接端点标识 |
| DLCI | Digital Link Connection Identity | 数据链路连接标识 |
| DNS | Domain Name Server | 域名服务器 |
| DPC | Destination(Signaling) Point Code | 目的信令点编码 |
| DRDBMS | Distributed Relational DBMS | 分布式关系数据库管理系统 |
| DRX | Discontinuo us Reception(mechanism) | 不连续接收 |
| DSC | Downlink Signaling fault Count | 下行信令故障计数 |
| DSP | Digital Signal Processor | 数字信号处理器 |
| DTAP | Direct Transfer Application Part | 直接传输应用部分 |
| DTMF | Dual Tone Multi-frequency | 双音多频(收号器) |
| DTX | Discontinuous Transmission(mechanism) | 不连续发送(机制) |
专业术语 E ------ https://liwangjiang.blog.csdn.net/ |
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| E-Abis | Enhanced Abis | 增强型Abis |
| E3M | E3 Sub-Multiplexer | 增强型E1子复用设备 |
| EA | Early Allocation | 预分配 |
| EAC | External Alarm Collection | 外部警告采集 |
| EC | Emergency Call | 紧急呼叫 |
| ECSC | Early Classmark Sending Control | 早期类表发送控制 |
| ECT | Explicit Call Transfer | 显示呼叫转移 |
| EDU | Enhanced Duplexer Unit | 增强型双工单元 |
| EFR | Enhanced full rate speech code | 增强型全速语音编解码 |
| EIR | Equipment Identity Register | 设备识别寄存器 |
| EM | Extended Measurement | 扩展测量 |
| EMC | Electromagnetic Compatibility | 电磁兼容性 |
| EST | Establishment | 建立 |
| ETS | European Telecommunication Standard | 欧洲电信标准 |
| ETSI | European Telecommunication Standard Institute | 欧洲电信标准组织 |
专业术语 F ------ https://liwangjiang.blog.csdn.net/ |
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| FACCH | Fast Associated Control CHannel | 快速随路控制信道 |
| FBC | Photoelectric Conversion Board | 光电转换板 |
| FBI | Optical Fiber Interface Board | 光接口板 |
| FCCH | Frequency Correction CHannel | 频率校正信道 |
| FCS | Frame Check Sequence | 帧校多址 |
| FH | Frequency Hopping | 跳频 |
| FIR | Finity Impulsion Response | 有限冲击响应 |
| FN | Frame Number | 帧号 |
| FPU | Frame Processing Unit | 帧处理单元 |
| FR | Frame Relay | 帧中继 |
| FTAM | File Transfer Access and manipulation | 文件传输，接入及使用 |
| FTC | Full Rate Transcoder | 码变换板 |
| FTP | File Transfer Protocol | 全速率码变换器 |
| FUC | Frame Unit Controller | 帧单元控制器 |
| FUL | Radio Signaling Link | 无线信令链路 |
专业术语 G ------ https://liwangjiang.blog.csdn.net/ |
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| G-Abis | GPRS Abis | GPRS Abis |
| GALM | Alarm board | 告警板 |
| GCKS | Clock source | 时钟板 |
| GCTN | Central switching Network board | 中心交换网版 |
| GEMA | Emergency Message Automatic Transmission System | 双机倒换板 |
| GFBI | Fiber Interface board | 光纤接口板 |
| GGSN | Gateway GPRS Support Node | 网关GPRS支持节点 |
| GLAP | LAPD Protocl process board | LAPD协议处理板 |
| GMC2 | Inter-Module Communication board | 模块通信板 |
| GMCC | Module Communication and Control board | 模块通信控制板 |
| GMEM | Memory board | 数据库接口板 |
| GMM | GPRS Mobility Management | GPRS移动性管理 |
| GMPU | Main Processing Unit | 主处理单元 |
| GMSC | Gateway Mobile Switching Center | 关口局 |
| GMSK | Gaussian Minimum Shift-frequency Keying | 高斯滤波最小移频键控 |
| GNET | Intra-module switching network board |
交换网板 |
| GNOD | Node Communication Board | 节点通信板 |
| GOPT | Local Optical Interface Board | 光纤通信板 |
| GPRS | General Packet Radio Setvice | 通用分组无线业务 |
| GPS | Global Position System | 全球定位系统 |
| GPWS | GSM Secondary Power board | 二次电源板 |
| 'GSM' GSM900G SM1800 | Global System for Mobile communications |
GSM900MHz的全球移动通信系统，系统GSM的1800MHz系统 |
| GSN | GPRS Support Node | GPRS支持节点 |
| GSNT | GSM Signaling Switching Network Board | 信令交换网板 |
| GT | Global Title | 全局码 |
| GTP | GPRS Tunnelling Protocol | GPRS隧道协议 |
专业术语 H ------ https://liwangjiang.blog.csdn.net/ |
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| HC/HY COM | Hybrid Combiner | 混合桥型合路器 |
| HCS | Hierarchical Cell Structure | 小区分层结构 |
| HDLC | High level Data Link Control | 高级数据链路控制 |
| HDSL | High speed Digital Subscriber Line |
高速数字用户线 |
| HLR | Home Location Register | 归属位置寄存器 |
| HO | Handover | 切换 |
| HPA | High magnification Power Amplifier board | 高增益功放板 |
| HSC | Hot Swap Controller | 热倒换控制器 |
| HSN | Hopping Sequence Number | 跳频序列号 |
| HW | Highway | 高速通路 |
专业术语 I ------ https://liwangjiang.blog.csdn.net/ |
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| ID | IDengtification/IDentiy | 识别 |
| IEC | International Electrotechnical Commission | 国际电工委员会 |
| IMEI | International Mobile station Equipment Identity | 国际移动终端设备标识 |
| IMSI | International Mobile station Identity | 国际移动用户识别码 |
| IND | indication | 指示 |
| IOMU | iSite Operation and Maintenance Unit | 操作维护单元板 |
| IP | Internet Protocol | 互联网协议 |
| ISDN | International Standard Organization | 国际标准化组织 |
| ISR | Interrupt Service | 中断服务程序 |
| ISUP | Integrated Service Digital Network User Part/ISDN User Part | (七号信令之) ISDN 用户部分 |
| ITU | International Telecommunication Union | 国际电信联盟 |
| ITU-T | International Telecommunication Union-Telecommunication Standardization Sector | 国际电信联盟-电信标准部 |
| IWF | Inter-working Function | 互连功能 |
专业术语 J ------ https://liwangjiang.blog.csdn.net/ |
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专业术语 K ------ https://liwangjiang.blog.csdn.net/ |
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专业术语 L ------ https://liwangjiang.blog.csdn.net/ |
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| L2ML | Layer-2 Management Link | 层2管理链路 |
| L3MM | Layer-3 Mobility Management | 层三移动管理 |
| LA | Location Area | 位置区 |
| LAC | Location Area Code | LAC 位置区码 |
| LAI | Location Area Identity | 位置区标识 |
| LAP | Link Access Protocal | 协议处理板 |
| LAPD | Link Access Protocol on the D-channel | D信道上的链路访问协议 |
| LAPDMAIL | LAPD Mail Box | LAPD邮箱 |
| LAPDm | Link Access Protocol on the Dm Channel |
Dm信道上的链路访问协议 |
| LLC | Logical Link Control |
逻辑链路控制 |
| LMT | Local Maintenance Terminal | 本地维护终端 |
| LNA | Low Noise Amplifier | 低噪声放大器 |
| LPN7 | Common Channel Signaling Processing Board | 公共信道信令处理板 |
专业术语 M ------ https://liwangjiang.blog.csdn.net/ |
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| MA | Mobile Allocation | 移动台(频率) 分配 |
| MAC | Media Access Control | 媒质接入控制 |
| MAIO | Mobile Allocation Index Offset | 移动分配索引偏移 |
| MAP | Mobile Application Part | 移动应用部分 |
| MBR | Multiband Report | 多频报告 |
| MCC | Mobile Country Code | 移动国家码 |
| MCK | Main Clock board | 主时钟板 |
| MCP | Multiple Communication-Protocol Processor | 多重通信协议处理器 |
| MDC | Message Discrimination | 消息鉴别 |
| MDSL | Medium Bit-rate Digital Subscriber Loop | 中速数字用户环线 |
| MDT | Message Distribution | 消息分配 |
| ME | Mobile Equipment | 移动设备 |
| MFU | Microcell Frame Unit | 微峰窝帧处理单元 |
| MM | Mobility Management | 移动性管理 |
| MMU | Multiplication and Management Unit | 复用管理单元 |
| MNC | Mobile Network Code | 移动网号 |
| MNS | Mobile Network Signaling | 移动网信令 |
| MR | Measurement Result | 测量结果 |
| MR | Measurement Report | 测量报告 |
| MRP | Multiple Reuse Pattern | 多重复用方式 |
| MRT | Message Routing | 消息路由 |
| MS | Mobile Station | 测量报告 |
| MSC | Mobile services Switching Center, Mobile Switching Centre | 移动交换中心 |
| MSISDN | Mobile Station International IDSN Number | 移动台国际ISDN号码 |
| MSM | MSC Subrate channel Multiplexer | 移动终端 |
| MTBF | Mean Time Beween Failure | 平均无故障时间 |
| MTP | Message Transfer Part | 消息传输部分 |
专业术语 N ------ https://liwangjiang.blog.csdn.net/ |
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| NC | Network Control | 网络控制 |
| NCC | Network Color Code | 网络色码 |
| NCH | Notification Channel | 通知信道 |
| NE | Network Equipment | 网络设备 |
| NM | Network Management | 网络管理 |
| NS | Network Service | 网络服务 |
| NSE | Network Service Entity | 网络服务实体 |
| NSS | Network SubSsystem | 网络子系统 |
专业术语 O ------ https://liwangjiang.blog.csdn.net/ |
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| O&M,OM | Operations & Maintenance | 操作与维护 |
| OACSO | Off Air Call Set up | 不占用空中信道的呼叫启动 |
| OAM | Operation Administration and Maintenance | 运行管理和维护 |
| OMAP | Operation and Maintenance Application Part | 操作维护信用部分 |
| OMC | Operations & Maintenance Centre | 操作维护中心 |
| OML | Operation and Maintenance Link | 操作与维护链路 |
| OMU | Operations & Maintenance Unit(board) | 操作维护单元(板) |
| OOP | Object Oriented Programming | 面向对象的程序设计 |
| OPC | Originating Point Code |
源信令点编码 |
| OS | Operation System | 操作系统 |
| OSI | Open System Interconnection |
开发系统互连模型 |
专业术语 P ------ https://liwangjiang.blog.csdn.net/ |
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| PA | Power Amplifier | 功率放大器 |
| PAGCH | Packet Access Grant Channel | 分组接入允许信令 |
| PBCCH | Packet Broadcast Control Channel | 分组广播控制信道 |
| PBGT | Power Budget | 功率预算 |
| PBU | Power Boost Unit | 功率预算 |
| Pb | Pb Interface | Pb接口 |
| PbSL | PCU-BSC Signaling Link | 间信令链路PCU-BSC |
| PCCCH | Packet Common Control Channel | 分组公共控制信道 |
| PCH | Paging CHannel | 寻呼信道 |
| PCIC | Packet Circuit Identity Code |
分组电路识别码 |
| PCM | Pulse-Code Modulation | 脉冲编码调制 |
| PCU | Packet Control Unit | 分组控制单元 |
| PD | Protocol Discrimination | 协议识别码 |
| PDCH | Packet Data Channel | 分组数据信道 |
| PDH | Plesiochronous Digital Hierarchy | 准同步数字系列 |
| PDN | Packet Data Network | 分组数据网 |
| PDP | Packet Data Protocol | 分组数据协议 |
| PDTCH | Packet Data Traffic Channel | 分组业务数据信道 |
| PI | Peripheral Interface | 外设接口 |
| PIN | Personal Identity Number | 个人识别码 |
| PLL | Phase Locked Loop | 锁相环路 |
| PLMN | Public Land Mobile Network | 公用陆地移动网络 |
| PMU | Power and Environment Monitoring Unit | 电源环境监测板 |
| PNCH | Packet Notification Channel | 分组通知信道 |
| POMU | Packet Operation & Maintenance Unit | 分组操作维护单元 |
| PON | Passive Optical Network | 无源光网络 |
| PPCH | Packet Paaging Channel | 分组寻呼信道 |
| PRACH | Packet Random Access Channel | 分组随机接入信道 |
| PSDN | Public Switched Data Network | 公用数据交换网 |
| PSI | Packet System Infomation | 分组系统消息 |
| PSK | Phase Shift Keying | 相移键控 |
| PSTN | Public Switched Telephone Network | 公共电话交换网 |
| PSU | Power Supply Unit | 供电单元 |
| PT | Penalty Time | 惩罚时间 |
| PTCCH | Packet Timing advance Control Channel | 分组定时提前控制信道 |
| PTM | Point To Multpoint | 点到多点 |
| PTM-M | Point To Multpoint Multicast | 点对多点广播 |
| PTM-SC | Point Multipoint Service Center | 点到多点数据服务中心 |
| PTP | Point To Point | 点对点 |
| PWC | Secondary Power Supply Board | 电源控制板 |
专业术语 Q ------ https://liwangjiang.blog.csdn.net/ |
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| Qos | Quality of Service | 业务质量 |
专业术语 R ------ https://liwangjiang.blog.csdn.net/ |
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| RACH | Random Access Channel | 随机接入信令 |
| RE | Reestablishment | 呼叫重建 |
| RF | Radio Frequency | 射频 |
| RLC | Radio Link Control | 无线链路控制 |
| RLM | Radio Link Management | 无线链路管理 |
| RPE-LTP | Regular Pulse Excitation-Long Term Prediction | -规则脉冲激励长期预测 |
| RPPU | Radio Packet Process Unit | 无线分组处理单元 |
| RR | Radio Resource | 无线资源 |
| RSA | Rivest-Shamir-Adleman | 通用关键子密码方式 |
| RSL | Radio Signaling Link | 无线信令链路 |
| RTE | Radio Test Equipment | 无线测试设备 |
| RX | Receiver/Reception | 收信机/接收 |
| RXLEV | Received signal level | 接收信号等级 |
| RXQUAL | Received Signal Quality | 接收信号质量 |
专业术语 S ------ https://liwangjiang.blog.csdn.net/ |
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| 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 |
| SACCH/C4 | Show Associated Control Channel/SDCCH/4 | 慢速随路控制信道/SDCCH/4 |
| SACCH/C8 | Show Associated Control Channel/SDCCH/8 | 慢速随路控制信道/SDCCH/4 |
| SACCH/T | Slow Associated Control Channel/Traffic channel | 业务信道/慢速随路控制信道 |
| SACCH/TF | Slow Associated Control Channel/Traffic channel full rate | 慢速随路控制信道/全速速率业务信道 |
| SAP | Service Access Point | 服务接入点 |
| SAPI | Service Access Point Identifier | 业务接入点标识 |
| SCCP | Signaling Connection Control Part | 信令连接控制部分 |
| SCH | Synchronization CHannel | 同步信道 |
| SCMG | SCCP Management | SCCP管理 |
| SCU | Simple combining Unit | 简单合路单元 |
| SDCCH | Stand-alone Dedicated Control CHannel |
独立专用控制信道 |
| SDH | Synchronous Digital Hierarchy | 同步数字系列 |
| SDU | Serivice Data Unit | 业务数据单元 |
| SGSN | Serving GPRS Support Node | 服务GPRS支持节点 |
| SID | Silence Descriptor | 静噪指示 |
| SIG | Signaling | 信令 |
| SIM | Subscriber Identity Module | 用户识别卡 |
| SITE | Site | 站点 |
| SLM | Signaling Link Management | 信令链路管理 |
| SLS | Signaling Link Selection | 信令链路选择码 |
| SM | Sub-Multiplexer Interface |
子复用板 |
| SM-SC | Short Message - Service Center | 短消息中心 |
| SMBCB | Short Message Service Cell | 短消息业务小区广播 |
| SMC | Short Message Center | 短消息中心 |
| SMI | Sub-Multiplexer Interface | 子复用板 |
| SMS | Short Message Service |
短消息业务 |
| SMS-GMSC | Short Message Service-Gateway MSC | MSC 短消息关口 |
| SMS-IWMSC | Short Message Service Interworking MSC | MSC短消息互联 |
| SMSCB | Short Message Service Cell Broadcast |
短消息小区广播 |
| SMUX | Sub-Multiplexer | 子复用器 |
| SNDCP | SubNetwork Dependent convergence Protocol | 子网相关的收敛协议 |
| SOR | Support Optimization Routing |
支持优选路由 |
| SP | Signaling Point | 信令点 |
| SRM | Signaling Route Management | 信令路由管理 |
| SS | Supplementary Service | 补充业务 |
| SS7 | Signalling System No.7 | 七号信令 |
| SSN | SubSystem Number |
七号信令 |
| STM | Signaling Traffic Management | 信令业务管理 |
| STP | Signaling Transfer Point | 信令转接点 |
专业术语 T ------ https://liwangjiang.blog.csdn.net/ |
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| TA | Timing Advance | 定时提前量 |
| TAI | Timing Advance Index | 时间提前量索引 |
| TBF | Temporary Block Flow | 临时数据块流 |
| TC | Transcoder | 码变码器 |
| TCH | Traffic Channel | 业务信道 |
| TCH/F | A full rate TCH | 全速率业务信道 |
| TCH/F2.4 | A full rate data TCH(2.4kbit/s) | 全速率数据业务信道(2.4kbit/s) |
| TCH/F4.8 | A full rate data TCH(4.8kbit/s) | 全速率数据业务信道(4.8kbit/s) |
| TCH/F9.6 | A full rate data TCH(9.6kbit/s) | 全速率数据业务信道(9.6kbit/s) |
| TCH/FS | A full sate Speech TCH | 全速率话音业务信道 |
| TCI | Terminal Interface board | 终端接口板 |
| TCP | Transmission Control Protocol | 传输控制协议 |
| TCSM | TransCoder & Sub-Multiplexer | 码变换与子复用单元 |
| TDMA | Time Division Multiple Access |
时分多址 |
| TE | Terminal Equipment | 终端设备 |
| TEI | Terminal Equipment | 终端设备识别码 |
| TLLI | Temporary Link Level Identity |
临时链路等级标识 |
| TMSC | Tandem Mobile Switching Centre | 汇接移动交换中心 |
| TMSI | Temporary Mobile Subscriber Identifier | 临时移动用户标识符 |
| TMU | Timing/Transmission and Management Unit | 定时/传输管理单元 |
| TN | Timeslot Number | 时隙号 |
| TNI | Terminal Number Interface | 终端网络接口部件 |
| TO | Temporary Offset | 临时偏移 |
| TRAU | Transcoder & Rate Adaptation Unit | 码变换器速率适配单元 |
| TRX | Transceiver(board) | 收发信机 |
| TS | Timeslot | 时隙 |
| TSC | Training Sequence Code | 训练序列号(编码) |
| TUP | Telephone User Part(SS7) | 电话用户部分 |
专业术语 U ------ https://liwangjiang.blog.csdn.net/ |
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| UA | Unnumbered Acknowledge | 无编号证实 |
| UDP | User Datagram Protocol | 用户数据报协议 |
| UDT | Unit Data | 单位数据 |
| UI | ||