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【写在前面】本系列暂停更新，因为我发现了一个很好用的网站可以查询这些缩写！如下：
| 缩写 | 英文 | 中文 |
| 1G | The 1st generation | 第一代移动通信 |
| 2G | The 2nd generation | 第二代移动通信 |
| 3G | The 3rd generation | 第三代移动通信 |
| 3GPP | Third Generation Partnership Project | 第三代合作伙伴 |
| 4G | The 4th generation | 第四代移动通信 |
| 5G | The 5th generation | 第五代移动通信 |
| 5GC | 5G Core Network | 5G核心网 |
| 5G-AN | 5G Access Network | 5G接入网 |
| 5G-BRG | 5G Broadband Residential Gateway | 5G宽带家庭网关 |
| 5G-CRG | 5G Cable Residential Gateway | 5G有线电视家庭网关 |
| 5G-EIR | 5G Equipment Identity Register | 5G设备标识寄存器 |
| 5G-GUTI | 5G Globally Unique Temporary Identifier | 5G全球唯一临时标识符 |
| 5GLAN | 5G Local Area Network | 5G局域网 |
| 5GS | 5G System | 5G系统 |
| 5G-S-TMSI | 5G S-Temporary Mobile Subscription Identifier | 5G短格式临时移动订阅标识符 |
| 5G-TMSI | 5G Temporary Mobile Subscription Identifier | 5G临时移动订阅标识符 |
| 5QI | 5G QoS Identifier | 5G QoS标识符 |
| AAA | Authentication Authorization Accounting | 验证、授权、记账 |
| AAU | Active Antenna Unit | 有源天线单元 |
| ABNF | Augmented Backus-Naur Form | |
| ADC | Analog to Digital Converter | 模数转换器 |
| AF | Application Function | 应用功能 |
| AKA | Authentication and Key Agreement | 认证与密钥协商协议 |
| AL | Aggregation Level | 聚合等级 |
| AM | Access Management | 接入管理 |
| AM | Acknowledged Mode | 确认模式 |
| AMBR | Aggregate Maximum Bit Rate | 聚合最大比特速率 |
| AMC | Adaptive Modulation and Coding | 自适应调制编码 |
| AMF | Access and Mobility Management Function | 接入和移动性管理功能 |
| AMPS | American Mobile Phone System | 美国移动电话系统 |
| AN | Access Network | 接入网络 |
| ANDSF | Access Network Discovery and Selection Functionality | 接入网发现和选择功能 |
| APN | Access Point Name | 接入点名称 |
| AR | Augmented Reality | 现实增强 |
| ARIB | Association of Radio Industries and Businesses | （日本）无线工业及商贸联合会 |
| ARP | Allocation and Retention Priority | 分配和保留优先级 |
| ARPF | Authentication credential Repository and Processing Function | 认证凭证存储库和处理功能 |
| AS | Access Stratum | 接入层 |
| ATM | Asynchronous Transfer Mode | 异步传输模式 |
| ATSSS | Access Traffic Steering，Switching，Splitting | 接入流量导向、切换和拆分 |
| ATSSS-LL | ATSSS Low Layer | ATSSS低层 |
| AUSF | Authentication Server Function | 认证服务器功能 |
| BBF | Broadband Forum | |
| BBU | Baseband Unit | 基带处理单元 |
| BCCH | Broadcast Control Channel | 广播控制信道 |
| BCH | Broadcast Channel | 广播信道 |
| BFRQ | Beam Failure Recovery request | 波束恢复请求 |
| BLER | Block Error Rate | 误块率 |
| BP | Branching Point | |
| BRG | Broadband Residential Gateway | |
| BS | Base Station | 基站 |
| BSF | Binding Support Function | 绑定支持功能 |
| BSR | Buffer Status Report | 缓存状态报告 |
| BWP | Bandwidth Part | 部分带宽 |
| C&M | Control & Management | 控制和管理 |
| CAG | Closed Access Group | 闭合访问组 |
| CAPIF | Common API Framework for 3GPP northbound APIs | 3GPP北向API的公共 API 框架 |
| CBC | Cell Broadcast Center | 小区广播中心 |
| CBE | Cell Broadcast Entity | 小区广播实体 |
| CBG | Code block group | 码块组 |
| CBGFI | CBG Flushingout Information | CBG擦除信息 |
| CBGTI | CBG Transmission Information | CBG传输信息 |
| CCCH | Common Control Channel | 公共控制信道 |
| CCE | Control-Channel Element | 控制信道元素 |
| CDM | Code Division Multiplexing | 码分复用 |
| CDMA | Code Division Multiple Access | 码分多址接入 |
| CHF | Charging Function | 计费功能 |
| CM | Connection Management | 连接管理 |
| CMAS | Commercial Mobile Alert Service | 商用移动预警系统 |
| CN | Core Network | 核心网 |
| CORESET | Control Resource Set | 控制资源集 |
| CP | Control Plane | 控制平面 |
| CP | Cyclic Prefix | 循环前缀 |
| CPE | Customer Premise Equipment | 用户前置设备 |
| CPRI | Common Public Radio Interface | 通用公共无线接口 |
| CQI | Channel Quality Indicator | 信道质量指示 |
| CRB | Common Resource Block | 公共资源块 |
| CRC | Cyclic Redundancy Check | 循环冗余校验 |
| CRG | Cable Residential Gateway | |
| CRI | Contention Resolution Identity | 竞争解决标识 |
| CRS | Cell-specific Reference Signals | 小区特定参考信号 |
| CRUD | Create, Retrieve, Update, Delete | (计算处理时的)增查删改 |
| CS | Circuit Switch | 电路交换 |
| CSCF | Call Session Control Function | 呼叫会话控制功能 |
| CSFB | CS Fallback | 电路域回落 |
| CSI | Channel State Information | 信道状态信息 |
| CSI-IM | CSI Interference Measurement | 信道状态信息干扰测量 |
| CSI-RS | Channel state information Reference Signal | 信道状态信息参考信号 |
| CSS | Common Search Space | 公共搜索空间 |
| C-TEID | Common Tunnel Endpoint Identifier | |
| CU | Central Unit | 中央单元 |
| CU-CP | Centralized Unit Control Plane | 中央单元控制面 |
| CUPS | Control and User Plane Separation | 控制和用户平面分离 |
| CU-UP | Centralized Unit User Plane | 中央单元用户面 |
| DAC | Digital to Analog Converter | 数模转换器 |
| DAI | Downlink Assignment Index | 下行分配索引 |
| D-AMPS | Digital Advanced Mobile Phone Service | 数字先进移动电话服务 |
| DAPS | Dual Active Protocol Stacks | |
| DC | Dual Connectivity | 双连接 |
| DCCH | Dedicated Control Channel | 专用控制信道 |
| DCI | Downlink Control Information | 下行控制信息 |
| DCN | Dedicated Core Network | 专用核心网 |
| DHCP | Dynamic Host Configuration Protocol | 动态主机配置协议 |
| DL | Downlink | 下行 |
| DL-SCH | Downlink Shared Channel | 下行共享信道 |
| DMRS | Demodulation Reference Signal | 解调参考信号 |
| DN | Data Network | 数据网络 |
| DNAI | Data Network Access Identifier | DN接入标识 |
| DNF | Disjunctive Normal Form | |
| DNN | Data Network Name | 数据网络名称 |
| DNS | Domain Name System | 域名系统协议 |
| DRB | Data Radio Bearer | 数据无线承载 |
| DRX | Discontinuous Reception | 间断接收 |
| DSCP | Differentialcd Services Code Point | 差分服务代码点 |
| DSS | Dynamic Spectrum Sharing | 动态频谱共享 |
| DTCH | Dedicated Traffic Channel | 专用业务信道 |
| DU | Distributed Unit | 分布式单元 |
| EAP | Extensible Authentication Protocol | 可扩展的身份验证协议 |
| EBI | EPS Bearer Identity | EPS 承载标识 |
| eCPRI | evolved Common Public Radio Interface | 增强型通用公共无线电接口 |
| eLTE | enhanced Long Term Evolution | 增强型长期演进网络 |
| eMBB | Enhanced Mobile Broadband | 增强移动宽带 |
| eMTC | LTE enhanced Machine Type of Communication | 基于LTE的增强型机器通信 |
| EN-DC | E-UTRAN New Radio-Dual Connectivity | E-UTRAN 和新空口双连接 |
| eNodeB(eNB) | evolved NodeB（4G） | 演进型基站 |
| EPC | Evolved Packet Core | 演进的分组核心网 |
| ePDG | evolved Packet Data Gateway | 演进的分组数据网关 |
| EPRE | Energy Per Resource Element | 每资源元素的功率 |
| EPS | Evolved Packet System | 演进的分组系统 |
| eRE | eCPRI Radio Equipment | eCPRI无线电设备 |
| eREC | eCPRI Radio Equipment Control | eCPRI无线电设备控制 |
| ETSI | European Telecommunications Standards Institute | 欧洲电信标准化协会 |
| ETWS | Earthquake and Tsunami Warning System | 地震和海啸预警系统 |
| E-UTRAN | Evolved Universal Terrestrial Radio Access Network | 演进通用陆地无线接入网络 |
| FAR | Forwarding Action Rule | 转发动作规则 |
| FDD | Frequency Division Duplex | 频分双工 |
| FDM | Frequency Division Multiplexing | 频分多路复用 |
| FDMA | Frequency Division Multiple Access | 频分多址接入 |
| FN-BRG | Fixed Network Broadband Residential Gateway | 固网宽带RG |
| FN-CRG | Fixed Network Cable Residential Gateway | 固网有线电视RG |
| FN-RG | Fixed Network Residential Gateway | 固网RG |
| FPGA | Field Programmable Gate Array | 现场可编程门阵列 |
| FQDN | Fully Qualified Domain Name | 全限定域名/完全合格的域名 |
| FR1 | Frequency Range 1 | 频率范围1 |
| FR2 | Frequency Range 2 | 频率范围2 |
| GAD | Universal Geographical Area Description | |
| GBR | Guaranteed Bit Rate | 保证比特率 |
| GFBR | Guaranteed Flow Bit Rate | 保证流比特率 |
| GMLC | Gateway Mobile Location Centre | 网关移动位置中心 |
| gNB | gNodeB | 5G基站 |
| GP | Guard Period | 保护间隔 |
| GPRS | General Packet Radio Service | 通用无线分组业务 |
| GPSI | Generic Public Subscription Identifier | 通用公共订阅标识符 |
| GSCN | Global Synchronization Channel Number | 全局同步信道序号 |
| GSM | Global System for Mobile Communications（2G） | 全球移动通信系统 |
| GSMA | GSM Association | 全球移动通信系统协会 |
| GTP | GPRS Tunneling Protocol | GPRS隧道协议 |
| GTP-U | GPRS Tunneling Protocol for User Plane | GPRS用户面隧道协议 |
| GTPv2 | GPRS Tunneling Protocol version 2 | |
| GTPv1-U | GPRS Tunneling Protocol version 1 - User | |
| GUAMI | Globally Unique AMF Identifier | 全球唯一AMF标识符 |
| GW | GateWay | 网关 |
| GZIP | GNU ZIP | |
| HAL | Hypertext Application Language | |
| HARQ | Hybrid Automatic Repeat reQuest | 混合自动重传请求 |
| HARQ-ACK | Hybrid Automatic Repeat rcQuest-Acknowledgements | 混合自动重传响应消息 |
| HATEOAS | Hypermedia as the Engine of Application State | |
| HFC | Hybrid Fiber-Coaxial | |
| HFN | Hyper Frame Number | 超帧号 |
| HPLMN | Home PLMN | 归属PLMN |
| HR | Home Routed（roaming） | 归属地路由（漫游） |
| H-SMF | Home SMF | |
| HSPA | High-Speed Packet Access | 高速分组接入 |
| HSS | Home Subscriber Server | 归属签约用户服务器 |
| HTTP | Hyper Text Transfer Protocol | 超文本传输协议 |
| IAB | Integrated Access and Backhaul | 接入回传一体化 |
| IDL | Interface Definition Language | |
| IE | Information Element | 信息元素 |
| IETF | Internet Engineering Task Force | 国际互联网工程任务组 |
| IMEI | International Mobile Equipment Identity | 国际移动设备标识 |
| IMEISV | International Mobile Equipment Identity Software Version | 国际移动设备标识软件版本 |
| IMS | IP Multimedia Subsystem | IP多媒体子系统 |
| IMSI | International Mobile Subscriber Identity | 国际移动订户标识 |
| IMT | International Mobile Telecommunications | 国际移动通信系统 |
| IP | Internet Protocol | 国际互联协议 |
| I-RNTI | Inactive Radio Network Temporary Identity | 非激活无线网络临时标识符 |
| I-SMF | Intermediate SMF | 中间SMF |
| ITU | International Telecommunication Union | 国际电信联盟 |
| LADN | Local Area Data Network | 本地数据网络 |
| LBO | Local Break Out (roaming) | 本地疏导 |
| LC-H | Load Control based on LCI Header | |
| LCI | Load Control Information | |
| LDPC | Low Density Parity Check Code | 低密度奇偶校验码 |
| LDR | Location Deferred Request | |
| LI | Lawful Interception | 合法监听 |
| LMF | Location Management Function | 位置管理功能 |
| LoS | Line of Sight | 视距 |
| LRF | Location Retrieval Function | 位置获取功能 |
| LTE | Long Term Evolution | 长期演进系统 |
| MA | Multi-Acces | |
| MAC | Medium Access Control | 媒体接入控制 |
| Massive MIMO | Massive Multiple Input Multiple Output | 大规模天线 |
| MBR | Maximum Bit Rate | 最大比特速率 |
| MCC | Mobile Country Code | 移动国家代码 |
| MCG | Master Cell Group | 主小区组 |
| MCS | Modulation and Coding Scheme | 调制编码方案 |
| MCPTT | Mission Critical Push To Talk | 关键任务一键通 |
| MCX | Mission Critical Service | 关键任务服务 |
| MDBV | Maximum Data Burst Volume | 最大的数据突发量 |
| MEC | Mobile Edge Computing | 移动边缘计算 |
| MFBR | Maximum Flow Bit Rate | 最大流比特速率 |
| MIB | Master Information Block | 主系统消息 |
| MICO | Mobile Initiated Connection Only | 仅移动端发起连接 |
| MIMO | Multiple-Input Multiple-Output | 多输入多输出 |
| mIoT | Massive Internet of Things | 大规模物联网 |
| MM | Mobility Management | 移动管理 |
| MME | Mobility Management Entity | 移动性管理实体 |
| mMTC | Massive Machine Type of Communication | 海量机器类通信 |
| MNC | Mobile Network Code | 移动网络代码 |
| MO | Mobile Originated | |
| MPLR | Maximum Packet Loss Rate | 最大丢包率 |
| MPS | Multimedia Priority Service | 多媒体优先服务 |
| MPTCP | Multi-Path TCP Protocol | 多路径TCP协议 |
| MR-DC | Multi RAT Dual Connectivity | 多RAT双连接 |
| MRU | Mobility Registration Update | 移动性注册更新 |
| MSIN | Mobile Station Identification Number | 移动台识别号 |
| MSISDN | Mobile Subscriber International ISDN number | 移动订户国际ISDN号码 |
| MU-MIMO | Multiple User-Multiple input multiple output | 多用户多进多出 |
| MT | Mobile Terminated | |
| MTC | Machine Type of Communication | 机器类通信 |
| N3IWF | Non-3GPP InterWorking Function | 非3GPP互通功能 |
| NaaS | Network as a Service | 网络即服务 |
| NAI | Network Access Identifier | 网络接入标识 |
| NAS | Non-Access Stratum | 非接入层 |
| NAT | Network Address Translation | 网络地址翻译 |
| NB-IoT | Narrow Band Internet of Things | 窄带物联网 |
| NDI | New Data Indicator | 新数据指示 |
| NE | Network Element | 网元 |
| NEF | Network Exposure Function | 网络暴露功能 |
| NF | Network Function | 网络功能 |
| NGAP | Next Generation Application Protocol | 下一代应用协议 |
| NGMN | Next Generation Mobile Networks | 下一代移动通信网 |
| NG-RAN | Next Generation Radio Access Network | 下一代无线接入网 |
| NID | Network Identifier | 网络标识 |
| NLoS | Non Line of Sight | 非视距 |
| NMT | Nordic Mobile Telephone System | 北欧移动电话系统 |
| Nnrf | NRF Service-based Interface | |
| NodeB | 基站 | |
| NOMA | Non-Orthogonal Multiple Access | 非正交多址接入 |
| NPN | Non-Public Network | 非公共网络 |
| NR | New Radio | 新空口 |
| NRF | Network Repository Function | 网络存储库功能 |
| NRPPa | NR Positioning Protocol A | |
| NSA | Non-Standalone | 非独立组网 |
| NSI | Network Slice Instance | 网络切片实例 |
| NSI-ID | Network Slice Instance identifier | 网络切片实例标识符 |
| NSSAA | Network Slice-Specific Authentication and Authorization | |
| NSSAI | Network Slice Selection Assistance Information | 网络切片选择协助信息 |
| NSSF | Network Slice Selection Function | 网络切片选择功能 |
| NSSP | Network Slice Selection Policy | 网络切片选择策略 |
| NUL | Normal UL | 普通上行 |
| NWDAF | Network Data Analytics Function | 网络数据分析功能 |
| O2I | Outdoor To Indoor | 室外覆盖室内 |
| O2O | Outdoor To Outdoor | 室外覆盖室外 |
| O&M | Operation and Maintenance | 操作和维护 |
| OAM | Operation Administration and Maintenance | 操作维护管理 |
| OCC | Orthogonal Cover Code | 正交覆盖码 |
| OCF | Online Charging Function | |
| OCF | Open Connectivity Foundation | |
| OCI | Overload Control Information | |
| OCS | Online Charging System | |
| OFDM | Orthogonal Frequency Division Multiplexing | 正交频分复用 |
| OLC-H | Overload Control based on OCI Header | |
| PAGCH | Packet Access Grant Channel | |
| OBSAI | Open Base Station Architecture Initiative | 开放式基站架构联盟 |
| PAPR | Peak to Average Power Ratio | 峰均功率比 |
| PBCH | Physical Broadcast Channel | 物理广播信道 |
| PCCH | Paging Control Channel | 寻呼控制信道 |
| PCF | Policy Control Function | 策略控制功能 |
| PCG | Project Cooperation Group | 项目协作组 |
| PCH | Paging Channel | 寻呼信道 |
| PCI | Physical-layer Cell Identities | 物理小区标识 |
| PCRF | Policy and Charging Rules Function | 策略和计费规则功能 |
| PDB | Packet Delay Budget | 数据包时延预算 |
| PDC | Personal Digital Cellular | 个人数字蜂窝 |
| PDCCH | Physical Downlink Control Channel | 物理下行控制信道 |
| PDCP | Packet Data Convergence Protocol | 分组数据汇聚协议 |
| PDN | Public Data Network | |
| PDN | Packet Data Network | 分组数据网 |
| PDP | Packet Data Protocol | 分组数据协议 |
| PDR | Packet Detection Rule | 数据包检测规则 |
| PDSCH | Physical Downlink Shared Channel | 物理下行共享信道 |
| PDU | Protocol Data Unit | 协议数据单元 |
| PEI | Permanent Equipment Identifier | 永久设备标识符 |
| PER | Packet Error Rate | 数据包错误率 |
| PFCP | Packet Forwarding Control Protocol | 报文转发控制协议 |
| PFD | Packet Flow Description | 数据包流描述 |
| PGW | PDN Gateway | PDN网关 |
| PGW-C | PDN Gateway CP | PDN网关控制面 |
| PHR | Power Headroom Report | 功率余量报告 |
| PLMN | Public Land Mobile Network | 公共陆地移动网 |
| PMI | Precoding Matrix Indicator | 预编码矩阵指示 |
| PPI | Paging Policy Indicator | 寻呼策略指示 |
| PRACH | Physical Random-Access Channel | 物理随机接入信道 |
| PRA | Presence Reporting Area | |
| PRB | Physical Resource Block | 物理资源块 |
| PRG | Precoding Resource block Group | 预编码资源块组 |
| PS | Packet Switch | 包交换 |
| PSA | PDU Session Anchor | PDU会话锚点 |
| PSS | Primary Synchronization Signal | 主同步信号 |
| PT-RS | Phase Tracking Reference Signal | 相位追踪参考信号 |
| PUCCH | Physical Uplink Control Channel | 物理上行控制信道 |
| PUSCH | Physical Uplink Shared Channel | 物理上行共享信道 |
| QCI | QoS Class Identifier | QoS类别标识符 |
| QCL | Quasi Colocation | 准共址 |
| QFI | QoS Flow Identifier | QoS流标识符 |
| QIB | Quality Indicator Bit | |
| QNC | QoS Notification Control | QoS通知控制 |
| QoE | Quality of Service | 体验质量 |
| QoS | Quality of Service | 服务质量 |
| QSTA | Quality Station | |
| RA | Registration Area | 注册区 |
| RAB | Radio Access Bearer | 无线接入承载 |
| RACH | Random Access Channel | 随机接入信道 |
| (R)AN | (Radio) Access Network | （无线）接入网 |
| RAR | Random Access Response | 随机接入响应 |
| RAT | Radio Access Technology | 无线接入技术 |
| RB | Resource Block | 资源块 |
| RBG | Resource Block Group | 资源块组 |
| RDI | Reflective QoS flow to DRB mapping Indication | 反射QoS流到DRB映射标识 |
| RE | Resource Element | 资源元素 |
| RE | Radio Equipment | 无线电设备 |
| REC | Radio Equipment Control | 无线电设备控制 |
| REG | Resource-Element Group | 资源元素组 |
| Rel-15 | Release 15 | 版本15 |
| REST | REpresentational State Transfer | |
| RF | Radio Frequency | 射频 |
| RFSP | RAT/Frequency Selection Priority | RAT/频率选择优先级 |
| RG | Residential Gateway | 家庭网关 |
| RI | Rank Indicator | 秩指示 |
| RIV | Resource Indication Value | 资源指示值 |
| RLC | Radio Link Control | 无线链路控制 |
| RM | Registration Management | 注册管理 |
| RMa | Rural Macro cell | 乡村宏小区 |
| RMSI | Remaining Minimum System Information | 剩余系统信息 |
| RNA | RAN based Notification Area | 基于RAN的通知区域 |
| RNC | Radio Network Controller（3G） | 无线网络控制器 |
| RNL | Radio Network Layer | 无线网络层 |
| RNTI | Radio Network Temporary Identity | 无线网络临时标识符 |
| ROHC | robust header compression | 鲁棒性头压缩 |
| RQA | Reflective QoS Attribute | 反射QoS属性 |
| RQI | Reflective QoS Indication | 反射QoS标识 |
| RRC | Radio Resource Control | 无线资源管理 |
| RRU | Remote Radio Unit | 射频拉远单元 |
| RSN | Redundancy Sequence Number | 冗余序列号 |
| RSRP | Reference Signal Receiver Power | 参考信号接收功率 |
| RV | Redundancy Version | 冗余版本 |
| SA | Standalone | 独立组网 |
| RSN | Redundancy Sequence Number | |
| SA NR | Standalone New Radio | 独立的新空口 |
| SAP | Service Access Point | 服务接入点 |
| SARI | Service Area Restriction Information | |
| SBA | Service Based Architecture | 基于服务的架构 |
| SBG | Session Border Gateway | 会话边界网关 |
| SBI | Service Based Interface | 基于服务的接口 |
| SCEF | Service Capability Exposure Function | 业务能力暴露功能 |
| SCG | Secondary Cell Group | 辅小区组 |
| SCP | Service Communication Proxy | 服务通信代理 |
| SCTP | Stream Control Transmission Protocol | 流控制传输协议 |
| SD | Slice Differentiator | 切片区分符 |
| SDAP | Service Data Adaptation Protocol | 服务数据适配协议 |
| SDF | Service Data Flow | 业务数据流 |
| SDL | Supplementary DL | 补充下行 |
| SDN | Software Defined Networking | 软件定义网络 |
| SDU | Service Data Unit | 服务数据单元 |
| SEAF | SEcurity Anchor Functionality | 安全锚点功能 |
| SEPP | Security and Edge Protection Proxy | 安全边缘保护代理 |
| SFI | Slot Format information | 时隙格式信息 |
| SFN | System Frame Number | 系统帧号 |
| SGSN | Serving GPRS Support Node | 服务GPRS支持节点 |
| SGW | Serving Gateway | 服务网关 |
| SI | System Information | 系统消息 |
| SIB | System Information Block | 系统信息块 |
| SIDF | Subscription Identifier De-concealing Function | 订阅标识符去隐藏功能 |
| SIP | Session Initiation Protocol | 会话发起协议 |
| SLA | Service Level Agreement | 服务级别协议 |
| SLIV | Start and Length Indicator Value | 起始和长度指示 |
| SM | Session Management | 会话管理 |
| SMF | Session Management Function | 会话管理功能 |
| SMP | SBI Message Priority | |
| SMS | Short Message Service | 短消息业务 |
| SMSF | Short Message Service Function | 短消息服务功能 |
| SN | Sequence Number | 序列号 |
| SNPN | Stand-alone Non-Public Network | |
| S-NSSAI | Single Network Slice Selection Assistance Information | 单个网络切片选择协助信息 |
| SR | Scheduling Request | 调度请求 |
| SRI | SRS Resource Indicator | 探测参考信号资源指示 |
| SRS | Sounding Reference Signal | 探测参考信号 |
| SRVCC | Single Radio Voice Call Continuity | 单无线语音通话连续性 |
| SSB | SS/PBCH block | 同步广播资源块 |
| SSC | Session and Service Continuity | 会话和服务连续性 |
| SSCMSP | Session and Service Continuity Mode Selection Policy | 会话和服务连续性模式选择策略 |
| SSS | Secondary Synchronization Signal | 辅同步信号 |
| SST | Slice/Service Type | 切片/业务类型 |
| SUCI | Subscription Concealed Identifier | 签约加密标识符 |
| SUL | Supplementary UL | 补充上行 |
| SUPI | Subscription Permanent Identifier | 签约永久标识符 |
| TA | Timing Advance | 时间提前量 |
| TAC | Tracking Area Code | 跟踪区代码 |
| TACS | Total Access Communication System | 全接入通信系统 |
| TAI | Tracking Area Identity | 跟踪区标识 |
| TAU | Tracking Area Update | 跟踪区更新 |
| TB | Transport Blocks | 传输块 |
| TBS | Transport Blocks Size | 传输块大小 |
| TCI | Transmission Configuration Indication | 传输配置指示 |
| TCP | Transmission Control Protocol | 传输控制协议 |
| TDD | Time Division Duplex | 时分双工 |
| TDM | Time Division Multiplexing | 时分多路复用 |
| TEID | Tunnel EndPoint Identifier | |
| TIA | Telecommunications Industry Association | 通信工业协会 |
| TLS | Transport Layer Security | 传输层安全协议 |
| TM | Transparent Mode | 透明模式 |
| TMSI | Temporary Mobile Subscription Identifier | 临时移动签约标识 |
| TNAN | Trusted Non-3GPP Access Network | 可信的非3GPP接入网 |
| TNAP | Trusted Non-3GPP Access Point | 可信的非3GPP接入点 |
| TNGF | Trusted Non-3GPP Gateway Function | 可信的非3GPP网关功能 |
| TNL | Transport Network Layer | 传输网络层 |
| TNLA | Transport Network Layer Association | 传输网络层关联 |
| TPC | Transmit Power Control | 发射功率控制 |
| TPMI | Transmit Precoding Matrix Indicator | 传输预编码矩阵指示 |
| TRS | Tracking Reference Signal | 追踪参考信号 |
| TSC | Time Sensitive Communication | 时间敏感通信 |
| TSN | Time Sensitive Networking | 时间敏感网络 |
| TSP | Traffic Steering Policy | 流量引导策略 |
| TTI | Transmission Time Interval | 传输时间间隔 |
| TWAP | Trusted WLAN Access Point | |
| TWIF | Trusted WLAN Interworking Function | |
| TxRU | Transceiver Unit | 收发单元 |
| UAC | Unified Access Control | 统一接入控制 |
| UCI | Uplink Control Information | 上行控制信息 |
| UDM | Unified Data Management | 统一数据管理 |
| UDP | User Datagram Protocol | 用户数据报协议 |
| UDR | Unified Data Repository | 统一数据仓库 |
| UDSF | Unstructured Data Storage Function | 非结构化数据存储功能 |
| UE | User Equipment | 用户终端 |
| UL | Uplink | 上行 |
| UL CL | Uplink Classifier | 上行分类器 |
| UL-SCH | Uplink Shared Channel | 上行共享信道 |
| UM | Unacknowledged Mode | 无确认模式 |
| UMa | Urban Macro cell | 城市宏小区 |
| UMi | Urban Microcell | 城市微小区 |
| UP | User Plane | 用户平面 |
| UPF | User Plane Function | 用户面功能 |
| URI | Uniform Resource Identifier | |
| URLLC | Ultra Reliable Low Latency Communication | 低时延高可靠通信 |
| URRP-AMF | UE Reachability Request Parameter for AMF | AMF的UE可达请求参数 |
| URSP | UE Route Selection Policy | UE路由选择策略 |
| URN | Uniform Resource Name | |
| USS | UE-specific Search Space | UE 专用搜索空间 |
| UTC | Coordinated Universal Time | 协调世界时 |
| V2X | Vehicle-to-Everything | 车联网 |
| VID | VLAN Identifier | VLAN标识 |
| VLAN | Virtual Local Area Network | 虚拟局域网 |
| VoLTE | Voice over Long-Term Evolution | LTE语音 |
| VoNR | Voice over New Radio | NR语音 |
| V-PCF | Visited Policy Control Function | |
| VPLMN | Visited PLMN | 拜访PLMN |
| VR | Virtual Reality | 虚拟现实 |
| VRB | Virtual Resource Block | 虚拟资源块 |
| V-SMF | Visited SMF | |
| W-5GAN | Wireline 5G Access Network | 有线5G接入网 |
| W-5GBAN | Wireline BBF Access Network | 有线 BBF接入网 |
| W-5GCAN | Wireline 5G Cable Access Network | 有线5G有线电视接入网 |
| W-AGF | Wireline Access Gateway Function | 有线接入网关功能 |
| WCDMA | Wideband Code Division Multiple Access（3G） | 宽带码分多址 |
| WSN | 无线传感网 | |
| WTTx | wireless-to-the-x | 无线固定宽带 |
| ZP CSI-RS | Zero Power CSI-RS | 零功率信道状态信息参考信号 |
说明：本表格为作者方便"ctrl + f"之用。在之后也会随着本人对5G的学习对列表进行扩展。限于选择转载只能填写网页链接，无法填写书籍引用，故选择“原创+说明”的方式。
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