初学5G知识时，常常发现一句完整的话中夹杂着各种英文缩写，本来还能看懂的文字加上这些名词后，一下子就不知道具体要表达的内容了。
学了一个月左右，索性将学习过程中碰到的缩略语，一个不漏的整理下来，并在后续的学习中不断的增加其内容，希望于通过这篇博客找到所有的缩略语解释。
由于初学5G，能力有限，部分中文翻译因把握不准所有没有填写，其他填写的内容如有描述不准确的，还请广大网友们指正。
最近又补充学习4G、VoLTE的一些基础知识，将学习到的缩略语也整理到这份博客中，方便自己和网友们速查
（持续更新：最新更新于2022年8月24日）
| 3GPP | Third Generation Partnership Project | 第3代合作伙伴计划 |
| 5GC | 5G Core Network | 5G核心网 |
| 5GMM | 5G mobility Management | 5GS移动性管理 |
| 5GS | 5G System | 5G系统 |
| 5GSM | 5G Session Management | 5GS会话管理 |
| 5G-AN | 5G Access Network | 5G接入网 |
| 5G-RG | 5G-Residential Gateway | 5G家庭网关 |
| 5G-S-TMSI | 5G S-Temporary Mobile Subscription Identifier | 5G S - 临时移动签约标识 |
| 5QI | 5G QoS Identifier | 5G QoS标识 |
| AC | Access Control | 接入控制 |
| ACB | Access Class Barring | |
| ACL | Allowed CSG List | |
| ADC | Application Detection and Control | 应用检测和控制功能 |
| AF | Application Function | 应用功能 |
| AGF | Access Gateway Function | 接入网关功能 |
| AIPN | All IP Network | 全IP网络 |
| AKA | Authentication and Key Agreement | |
| ALG | Application-Level Gateway | |
| AMBR | Aggregate Maximum Bit Rate | 最大的聚合比特率 |
| AMF | Access and mobility Management Function | 接入和移动管理功能 |
| AN | Access Network | |
| ANDSF | Access Netowrk discovery and Selection Functionality | 接入网发现和选择功能 |
| ANDSP | Access Network discovery and Selection Policy | 接入网发现和选择策略 |
| APN | Access Point Name | 接入点名称 |
| APN-OI | Access Point Name-Operator Identity | 接入点名称-运营商标识 |
| ARCF | Access Network Resource Control Function | 接入网络资源控制功能 |
| ARD | Access Restriction Data | 接入限制数据 |
| ARP | Allocation and Retention Priority | 分配和保留优先级 |
| AS | Access Stratum | 接入层 |
| ASP | Application Service Prodier | 应用服务提供商 |
| ATCF | Access Transfer Control Function | 接入转移控制功能 |
| ATGW | Access Transfer Gateway | 接入转移网关 |
| ATM | Asynchronous Transfer Mode | 异步传输模式 |
| ATSSS | Access Traffic Steering, Switching, Splitting | 接入流量疏导、切换和分裂 |
| ATSSS-LL | ATSSS Low-Layer | ATSSS低层 |
| AUSF | Authentication Server Function | 鉴权服务器功能 |
| BAR | Buffering Action Rule | PFCP缓存动作规则 |
| BBERF | Bearer Binding and Event Reporting Function | 承载绑定与事件报告功能 |
| BD | Billing Domain | 计费域 |
| BP | Branching Point | |
| BPCF | broadband Policy Control Function | |
| BSF | Binding Support Function | 绑定支持功能 |
| CAG | Closed Access Group | 闭合访问组 |
| CAN | Connectivity Access Network | |
| 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 |
| CCS | Converged Charging System | 融合计费系统 |
| CDF | Charging Data Function | 计费数据功能 |
| CDMA | Code Division Multiple Access | 码分多址 |
| CDR | Call Detail Record | 计费数据记录 |
| CG | Charging Gateway | 计费网关 |
| CGF | Charging Gateway Function | 计费网关功能 |
| CHF | Charging Function | |
| CLI | Calling Line Identification | 主叫用户识别 |
| CM | Connection Management | |
| CP | Control Plane | 控制面 |
| CS | Circuit Switched | 电路交换 |
| CSG | Closed Subscriber Group | 闭合用户群 |
| CSI | Combining CS&ims services | 联合的CS与ims业务 |
| CTF | Charging Trigger Function | 计费触发功能 |
| CSCF | Call Session Control Function | 呼叫会话控制功能 |
| CSFB | CS Fall Back | 电路交换域回落 |
| CUDU | Centralized Unit distributed Unit | |
| CUPS | Control and User Plane Seperation | |
| DHCP | Dynamic Host Configuration Protocol | 动态主机配置协议 |
| DIDA | Data Identification in Access Network discovery and Selection Function | |
| DL | Data Layer | 数据层 |
| DL | Down Link | 下行链路 |
| DRB | Dedicated Radio Bearer | 数据无线承载 |
| DRX | discontinuous Reception | 不连续接收 |
| DN | Data Network | 数据网络 |
| DNAI | DN Access Identifier | 数据网接入标识 |
| DNN | Data Network Name | |
| DNS | Domain Name Server | 域名服务器 |
| DRB | Data Radio Bearer | 数据无线承载 |
| DSDS | Dual SIM Dual Standby | SIM双模双待 |
| DSMIPv6 | Dual Stack Mobile IP | 双栈移动IP |
| DT | Direct Tunnel | 直接隧道 |
| EAB | Extended Access Barring | |
| EAP | Extensive Authentication Protocol | |
| EBI | EPS Bearer Identity | EPS承载标识 |
| ECGI | E-UTRAN Cell Global Identifier | E-UTRAN小区全局标识符 |
| ECI | E-UTRAN Cell Identifier | |
| ECM | EPS Connection Management | EPS连接性管理 |
| EDGE | Enhanced Datarate for GSM Evolution | 增强型数据速率GSM演进 |
| EIR | Equipment Identity Register | 设备识别寄存器 |
| emm | EPS mobility Management | EPS移动性管理 |
| eNB | evolved Node B | 演进的Node B |
| EPC | Evolved Packet Core | 分组核心网 |
| ePDG | evolved Packet Data Gateway | 演进的分组数据网关 |
| EPS | Evolved Packet System | 演进分组系统 |
| ERB | Evolved Radio Bearer | |
| E-CSCF | Emergency-CSCF | 紧急CSCF |
| E-UTRAN | Evolved Universal Terrestrial Radio Acess Network | 演进的UTRAN |
| F-SEID | Fully Qualified Session Endpoint Identifier | |
| F-TEID | Fully Qualified Tunnel Endpoint Identifier | |
| FAGF | Fixed Access Gateway Function | 固定接入网关功能 |
| FAR | Forwarding Action Rule | 转发动作策略 |
| FBI | System enhancements for Fixed broadband access to ims | 对固定宽带接入到ims的系统增强 |
| FDMA | Frequency Division Multiple Access | 频分多址 |
| FMIF | Fixed Mobile Interworking Function | 固定移动互操作网络功能 |
| FQDN | Fully Qualified Domain Name | 完全合格的域名 |
| FTUP | F-TEID allocation in the UP function | |
| GAN | Generic Access Network | |
| GBR | Guaranteed Bit Rate | 保证流速率 |
| GERAN | GSM EDGE Radio Access Network | GSM EDGE无线接入网络 |
| GFBR | Guaranteed Flow Bit Rate | 保证的流比特速率 |
| GGSN | Gateway GRPS Support Node | 网关GPRS支持节点 |
| GMSK | Gaussian Minimum Shift Keying | 高斯最小频移键控 |
| gNB | gNodeB | |
| GRE | Generic Routing Encapsulation | |
| GRPS | General Packet Radio Service | 通用分组无线业务 |
| GPSI | General Public Subscription Identifer | |
| GSM | Global System for Mobile Communication | 全球移动通信系统 |
| GSMA | Global System for Mobile Communication Association | |
| GTP | GPRS Tunnel Protocol | GPRS隧道协议 |
| GTP-U | GRPS Tunnel Protocol for User Plane | 用户面的GPRS隧道协议 |
| GUAMI | Globally Unique AMF Identifier | |
| GUMMEI | Globally Unique MME Identifier | 全球唯一MME标识符 |
| GUTI | Globally Unique Temporary Identifier | 全球唯一临时标识 |
| HA | Home Agent | 家乡代理 |
| HBM | Host-Based mobility | 基于主机控制的移动性 |
| HeNB | Home eNB |
家庭/企业基站 |
| HNB | Home NodeB | |
| HSDPA | High Speed Downlink Packet Access |
高速下行链路分组接入 |
| HSS | Home Subscriber Server | 归属签约用户服务器 |
| HSUPA | High Speed Uplink Packet Access | 高速上行链路分组接入 |
| HPLMN | Home Public Land Mobile Network | 归属地公众陆地移动通信网 |
| HRPD | High Rate Packet Data | 高速分组数据 |
| HSGW | HRPD Serving Gateway | HRPD服务网关 |
| H-PCRF | Home-PCRF | 归属地的PCRF |
| IARP | Inter-APN Routing Policies | |
| IASA | Inter Access System Anchor | 接入系统间的锚点 |
| IBCF | ims Border Control Function | ims边界控制功能 |
| IDL | Interface DeFinition Language | 接口定义语言 |
| IDP | Implicit Detach Proceed | 隐式注销处理 |
| IFOM | IP flow mobility | |
| IMEI | International Mobile Equipment Identity | 国际移动设备识别 |
| IMEISV | International Mobile Equipment Identity Software Version | 国际移动设备识别软件版本 |
| ims | IP Multimedia Subsystem | IP多媒体子系统 |
| imsI | International Mobile Subscriber Identity | 国际移动用户识别码 |
| IP-CAN | ||
| ISMP | Inter-System mobility Policy | 系统间移动策略 |
| ISR | Idle mode Signalling Reduction | 空闲模式下的信令节省 |
| ISRP | Inter-System Routing Policy | 系统间路由策略 |
| IWF | InterWorking Function | |
| I-UPF | Intermediate UPF | |
| LADN | Local Area Data Network | 本地边缘网络 |
| LAPI | Low Access Priority Indicator | 低接入优先级指示 |
| LBI | Linked EPS Bearer Identity | 链接的EPS承载标识 |
| LIPA | Local IP Access | 本地IP接入 |
| LOBSTER | location-based selection of gateways | |
| LPP | LTE Positioning Protocol | |
| LRF | Location Retrieval Function | 位置获取功能 |
| LS | Location Server | 位置服务器 |
| LTE | Long Term Evolution | 长期演进计划 |
| M2M | Machine to Machine | 机器间 |
| MAC | Medium Access Control | 媒体接入控制 |
| MAG | Mobile Access Gateway | 移动接入网关 |
| MAMS | Multiple Access Management Service | 多接入管理服务 |
| MAP | Mobile Application Part | 移动应用部分 |
| MAPCON | Multiple Access PDN CONnection | |
| MAPIM | Multi Access PDN connectivity and IP flow mobility | |
| MAR | Multi-Access Rule | |
| MBR | Maximum Bit Rate | 最大比特速率 |
| MBMS | Multimedia broadcast Multicast Service | 多媒体广播多播业务 |
| MCC | Mobile Country Code | 移动网号 |
| MDBV | Maximum Data Burst Volume | 最大数据突发量 |
| MEID | ME Identity |
ME的标识 |
| MFBR | Maximum Flow Bit Rate | 最大流比特速率 |
| MICO | Mobile Initiated Connection Only | 仅终端发起连接模式 |
| MIME | Multi-Purpose Internet Mail Extensions | |
| MIMO | Multiple-Input Multiple-Output | 多输入多输出 |
| MIP | Mobile IP | 移动IP |
| MISIDN | Mobile Station International Subscriber Directory Number | |
| MM | Massive MIMO | |
| MM | mobility Management | 移动性管理 |
| MME | mobility Management Entity | 移动性管理实体 |
| MMEC | MME Code | MME代码 |
| MMEGI | MME Group Identity | MME群组标识 |
| MNC | Mobile Network Code | 移动网络码 |
| MO | Mobile Originated | |
| MS | Mobile Station | 移动台 |
| MSISDN | Mobile Subscriber ISDN number | 移动用户ISDN号码 |
| MT | Mobile Terminated | |
| MTC | MachineType Communication | 机器类型通信 |
| MTBF | Mean Time Between Failures | 平均故障间隔时间 |
| MTRF | Mobile Terminated Roaming Forwarding | |
| MTRR | Mobile Terminated Roaming Retry | |
| MT-SMS | Mobile Terminated - Short Message Service | |
| MV | Membership Verification | 成员验证 |
| M-TMSI | MME-Temporary Mobile Subscriber Identity | MME临时移动用户标识 |
| N3IWF | Non-3GPP InterWorking Function | 非3GPP互操作功能 |
| NACC | Network Assisted Cell Change | 网络辅助的小区改变 |
| NAPT | Network Address Port Translation | |
| NAS | Non-Access Stratum | 非接入层 |
| NAS | Network Access Server | 网络接入服务器 |
| NAS-MM | NAS Mobile Management | |
| NAT | Network Address Translation | 网络地址转换 |
| NBM | Network-Based mobility | 基于网络控制的移动性 |
| NCC | NH Chaining Count | |
| NEF | Network Exposure Function | |
| NGMN | Next Generation Mobile Network | 下一代移动网络 |
| NG-RAN | Next-Generation Radio Access Network | |
| NGAP | Next Generation Application Protocol | |
| NRF | Network Repository Function | |
| NRI | Network Resource Identifier | 网络资源标识符 |
| NSAPI | Network Service Access Point Identifier | 网络业务接入点标识符 |
| NSSAI | Network Slice Selection Assistance information | |
| NSSF | Network Slice Selection Function | |
| Nssp | Network Slice Selection Policy | 网络切片选择策略 |
| NWDAF | Network Data Analytics function | 网络状态分析功能 |
| OAI | OpenAPI Initiative | |
| OAS | OpenAPI Specification | OpenAPI规范 |
| OCS | Online Charging System | |
| OFDM | Orthogonal Frequency Division Multiplexing | 正交频分复用 |
| OMA DM | Open Mobile Alliance, Device Management | |
| omr | Optimal Routing of Media | 媒体面路由优化 |
| OPM | Offload Processing Module | 卸载处理模块 |
| OPPIIS | Operator Policies for IP Interface Selection | OPPIIS |
| OTA | Over The Air | |
| PBA | Proxy Binding AckNowledge |
代理绑定应答 |
| PBU | Proxy Binding Update | 代理绑定更新 |
| PCC | Policy and Charging Control | 策略和计费控制 |
| PCEF | Policy and Charging Enforcement Function | 策略和计费执行功能 |
| PCF | Policy Control Function | 策略控制功能 |
| PCO | Protocol Configuration Options | 协议配置选项 |
| PCRF | Policy and Charging Rules Function | 策略及计费规则功能 |
| PCRT | Policy Control Request Triggers | 策略控制请求触发条件 |
| PD | Prefix Delegation | 前缀委托 |
| PDB | Packet Delay Budget | 数据包延时预算 |
| PDCP | Packet Data Convergence Protocol | 分组数据汇聚协议 |
| PDG | Packet Data Gateway | |
| PDI | Packet Detection information | 数据包检测信息 |
| PDN | Packet Data Network | 分组数据网 |
| PDR | Packet Detection Rule | 数据包检测规则 |
| PDU | Protocol Data Unit | |
| PDU | Packet Data Unit | 用户面流量 |
| PEI | Permanent Equipment Identifier | |
| PER | Packet Error Rate | 数据包误码率 |
| PFCP | Packet Forwarding Control Protocol | |
| PFD | Packet Flow Description | 数据流描述 |
| PLMN | Public Land Mobile Network | |
| PMIP | Proxy Mobile IP | 代理移动IP |
| PPF | Paging Proceed Flag | 寻呼处理标志 |
| PRA | Presence Reporting Area | |
| PS | Packet Switch | 分组交换 |
| PSA | PDU Session Anchor | |
| PSHO | PS HandOver | |
| PSI | Policy Segment Identifier | 策略分段标识 |
| PSK | Pre-Shared Key | 预共享密钥 |
| PTI | Procedure Transaction Identity | 过程执行标识 |
| P-CSCF | Proxy-Call Session Control Function | 代理呼叫会话控制功能 |
| P-GW | PDN Gateway | 分组数据网网关 |
| P-TMSI | Packet-Temporary Mobile Subscriber Identity | 分组临时移动用户识别 |
| QER | QoS Enforcement Rule | QOS执行规则 |
| QCI | QoS Class Identifier | QoS类标识 |
| QFI | QoS Flow Identifier | QoS流标识 |
| QNC | QoS Notification Control | QoS通知控制 |
| QoS | Quality of Service | 服务质量 |
| RA | Radom Access | |
| RAN | Radio Access Network | 无线接入网 |
| RAT | Radio Access Technology | 无线接入技术 |
| RAU | Routing Area Update | 路由区更新 |
| RDF | Routing Determination Function | 路由判断功能 |
| RFSP | RAT Frequency Selection Priority | |
| RIM | RAN information Management | RAN信息管理功能 |
| RLC | Radio Link Control | 无线链路控制 |
| RM | Register Management | |
| RN | Relay Node | 中继节点 |
| RNIS | Radio Network information Service | 无线网络信息服务 |
| ROHC | RObust Head Compression | 头压缩 |
| RPLMN | Registerd Public Land Mobile Network | 注册地公众陆地移动网络 |
| RQA | Reflective QoS Attribute | 反射式QoS属性 |
| RQI | Reflective QoS Indicator | |
| RRC | Radio Resource Control | 无线资源控制 |
| RRM | Radio Resource Management | |
| rSRVCC | reverse SRVCC | |
| SA | Security Association | 安全关联 |
| SAE | System Architecture Evolution | 系统架构演进 |
| Samog | S2a-based mobility Over GTP | |
| SBC | Session Border Controller | 边界网关设备 |
| SCTP | Stream Control Transmission Protocol | |
| SD | Slice Differentiator | 切片细分标识 |
| SDAP | Service Data Adaptation Protocol | 服务数据适配协议 |
| SDF | Service Data Flow | 业务数据流 |
| SDO | Standards Development Organizations | 标准开发组织 |
| SDP | Session Description Protocol | |
| SEID | Session Endpoint Identifier | |
| SGSN | Serving GPRS Support Node | 服务GPRS支持节点 |
| SIPTO | Selected IP Traffic Offload | 选择性IP数据流分流 |
| SLAAC | Stateless Address Auto-configuration | |
| SM | Session Management | 会话管理 |
| SMC | Security Mode Control | |
| SMF | Session Management Function | |
| SMS | Short Message Service | 短消息业务 |
| SMSF | Short Message Service Function | |
| SOR | Steering of Roaming | 漫游导引 |
| SPS | Semi Persistent Scheduling | 半静态调度 |
| SRVCC | Single Radio Voice Call Continuity | 单一无线语音呼叫连续性 |
| SSC | Session and Service Continuity | 会话和服务连续性 |
| SSCMSP | SSC Mode Selection Policy | SSC模式选择策略 |
| SSI | Session State information | |
| sst | Slice Service Type | 切片服务类型 |
| SUCI | Subscription Concealed Identifier | |
| SUPI | Subscription Permanent Identifier | |
| SVLTE | Simultaneous Voice and LTE | |
| S-GW | Serving Gateway | 服务网关 |
| S-NSSAI | Single Network Slice Selection Assistance information | |
| S-TMSI | SAE-Temporary Mobile Subscriber Identity | SAE临时移动用户标识 |
| TA | Tracing Area | 跟踪区 |
| TAC | Tracking area code | 跟踪区代码 |
| TAI | Tracking Area Identity | 跟踪区标识 |
| TAU | Tracking Area Update |
跟踪区更新 |
| TD-SCDMA | Time Division-Synchronous Code Division Multiple Access | 时分同步码分多址 |
| TDF | Traffic Detection Function | |
| TEID | Tunneling Endpoint Identification | 隧道端点标识符 |
| TIN | Temporary Identity used in Next update | 下次更新时用的临时标识 |
| TLS | Transport Layer Security | 传输层安全 |
| TMDA | Time Division Multiple Access | 时分多址 |
| TMSI | Temporary Mobile Subscriber Identity | |
| TNAN | Trusted Non-3GPP Access Network | 可信非3GPP接入网 |
| TNAP | Trusted Non-3GPP Access Point | 可信非3GPP接入点 |
| TNGF | Trusted Non-3GPP Gateway Function | 可信非3GPP网关功能 |
| TrGW | Transition Gateway | 媒体转换网关 |
| TTG | Tunnel Termination Gateway | |
| TWAG | Trusted WLAN Access Gateway | 可信的WLAN接入网关 |
| TWAN | Trusted WLAN Access Network | |
| TWAP | Trusted WLAN AAA Peer | 可信WLAN的AAA信令功能点 |
| UDM | Unified Data Management | |
| UDR | Unified Data Repository | |
| UDSF | Unstructured Data Storage Function | |
| UE | User Equipment | 用户设备 |
| UE-TLNA | User Equipment - Transport Network Layer Association | |
| UICC | Universal Integrated Circuit Card | 集成电路卡 |
| UICC | umts Integrated Circuit Card | umts集成电路卡 |
| UL | Up Link | 上行链路 |
| UL-CL | Uplink Classifier | 上行分类器 |
| UPF | User Plane Function | |
| URR | Usage Reporting Rule | PFCP使用报告规则 |
| URRP-MME | UE Reachability Request Parameter | UE可及性请求参数 |
| URSP | UE Route Selection Policy | UE路由选择策略 |
| USIM | User Service Identity Module | 用户服务识别模块 |
| USSD | Unstructured Supplementary Service Data | 非结构化补充数据业务 |
| UTRAN | Universal Terrestrial Radio Access Network | 全球陆地无线接入网 |
| U-RNTI | UTRAN Radio Network Temporary Identifier | UTRAN无线网络临时标识符 |
| VCC | Voice Call Continuity | 语音呼叫连续性 |
| VoLGA | Voice over LTE via Generic Access | |
| VPLMN | Visited Public Land Mobile Network | 拜访地公共陆地移动通信网 |
| W-5GAN | Wireline 5G Access Network | |
| WCDMA | Wideband Code Division Multiple Access | 宽带码分多址 |
| Wi-Fi | Wireless Fidelity | 无线保真 |
| WiMAX | Worldwide Interoperability for Microwave Access | 全球微波接入互操作性 |
| WLANSP | WLAN Selection Policy |
