3GPP 3rd Generation Partnership Project

5G Fifth Generation Mobile Networks

5GC Fifth Generation Core

5G EIR 5G Equipment Indentity Register

5QI 5G QoS Indentifier

AAA Authentication, Authorization & Account

AAS Active Antenna Systems

ACDC Application Specific Congestion Control for Data Communication

ACS Adjacent Channel Selectivity

ADC Application Detection and Control

AESE Architecture Enhancements for Service Capability Exposure

AF Application Function

AKA Authentication & Key Agreement

AMF Access and Mobility Management Function

AN Access Network

ANR Automatic Neighbor Relation

API Application Program Interface

APN Access Point Name

APs Access Points

ARP Allocation Retention & Priority

ARPF Authentication Credential Repository & Processing Function

AUSF Authentication Server Function

BBU BaseBand Unit

BF Beamforming

BL Bandwidth Reduced Low Complexity

BM-SC Broadcast Multicast Service Center

BPF Beamforming Processing Function

BSR Buffer Status Report

BSSID Basic Service Set Identification

CA Carrier Aggregation

CAGR Compound Annual Growth Rate

CAPEX Capital Expenses

CCA Clear Channel Assessments

CDMA Code Division Multiple Access

CELL_PCH Cell Paging Channel

CELL_FACH Cell Forward Access Channel

CHF Charging Function

CHAP Challenge Handshake Authentication Protocol

CIOT Cellular IoT

CM Configuration Management

CM Cubic Metric

CMS Communication and Media Solutions

cMTC Critical Machine Type Communications

CN Core Network

CoMP Coordinated Multi-Point Transmission and Reception

CRI CSI-RS Resource Indicator

CS Circuit Switched

CSI Channel State Information

CSI-RS Channel-State Information Reference Symbol

CTIA Cellular Telecommunication Industry Association

CU Control/ User Plane OR Central Unit

CUPS Control and User Plane Separation

CP Control Plane

D2D Device-to-Device

DAI Downlink Assignment Index

DASH Dynamic Adaptive Streaming Over HTTP

DB Database/ Dual Band

DB-DC Dual Band Dual Cell

DC Dual Connectivity

DC-HSPA Dual Cell High Speed Packet Access

DCN Dedicated Core Network

DDN Downlink Data Notification

DCF Distributed Coordination Function

DCI Downlink Control Indicator

DC-HSPA Dual Carrier-High Speed Packet Access

DCN Dedicated Core Network

DÉCOR Dedicated Core Networks

DFS Dynamic Frequency Selection

DL Downlink

DM Domain Manager

DMRS Demodulation Reference Signal

DN Data Network

DPDK Data Plane Development Kit

DRB Data Radio Bearer

DRB Data Resource Bearer

DRS Discovery Reference Signals

DSCP Differentiated Services Code point

DRX Discontinuous Reception

DSM IPv6 Dual Stack-Mobile Internet Protocol version 6

DTLS Datagram Transport Layer Security

DTX Discontinuous Transmissions

DU Distributed Unit

EAP Extensive Authentication Protocol

EBF Elevation Beam Forming

EC Enhanced Coverage

ECGI E-UTRAN Cell Global Identifier

ECM-IDLE EPS Connection Management IDLE

ED Energy Detection

eDEC Enhanced Dedicated Core

eDECOR Enhanced Dedicated Core Network

eLAA Enhanced LAA

eLWA Enhanced LWA

EIRP Equivalent Isotropic Radiated Power

EIS Equivalent Isotropic Sensitivity

EM Element Manager

eMBB Enhanced Mobile Broadband

eMBMS Evolved Multimedia Broadcast Multicast Service

EMTC Enhanced Machine Type Communication

EN-DC E-UTRAN New Radio Dual Connectivity

EPC Evolved Packet Core also known as System Architecture Evolution (SAE)

EPC/SAE Evolved Packet Core/System Architecture Evolutions

ePDG Evolved Packet Data Gateway

EPDCCH Enhanced Physical Downlink Control Channel

EPS Evolved Packet System

E-RNTI E-DCH Radio Network Transaction Identifier

ETSI European Telecommunications Standards Institute

E-UTRAN Evolved Universal Terrestrial Radio Access Network (based on OFDMA)

EVS Enhanced Voice Services

EVR Error Vector Magnitude

eV2X Enhanced V2X FCC Federal Communications Commission

FCAPS Fault, Configuration, Accounting, Performance, Security

F-DPCH Fractional Dedicated Physical Channel

Fe Further Enhancements

FeICIC Further Enhanced Inter-Cell Interference Coordination

FFS Further Study FM Fault Management

FNPRM Further Notice of Proposed Rule Making

FOMA Freedom of Mobile Multimedia Access

FTA Free-To-Air

FTL Frequency Tracking Loop

FTV Free-to-View

GBR Guaranteed Bit Rate

GCS AS Group Communication System Application Server

GGSNs Gateway

GPRS Support Nodes

GNSS Global Navigation Satellite System

GPRS General Packet Radio Service

GROUPE Group Based Enhancement

GTP General Packet Radio Service Tunneling Protocol

GTP-C GPRS Tunneling Protocol – Control

GTP-U GPRS Tunneling Protocol User Plane

GUMMEI Globally Unique Mobility Management Entity Identifier

GUTI Globally Unique Temporary Identify

GW GateWay

GWCN GateWay Core Network

HARQ Hybrid Automatic Repeat Request

HESSID Homogeneous Extended Service Set IDentification

HLCom High Latency Communications

HLR Home Location Register

HO Handover

HPLMNs Home Public Land Mobile Networks

H-RNTI HS-DSCH Radio Network Transaction Identifier

HN Home Network

HSS Home Subscriber Server

IC Interference Cancellation

ICIC Inter-Cell Interference Coordination

ICS IMS Centralized Services

ICSCF Interrogating Cell Session Control Function

IE Information Element

IEEE Institute of Electrical and Electronics Engineers

IFOM Internet Protocol Flow Mobility and seamless

WLAN Offload

IMPI IP Multimedia Private Identity

IMPU IP Multimedia Public User identity

IMS Internet Protocol Multimedia Subsystem

IMSI International Mobile Subscriber Identity

IMT International Mobile Telecommunications

InH Indoor Hotspot

Inter-RAT Inter- Radio Access Technology

IoT Internet of Things

ISD Inter-Site Distance

ISG Information Services Group ISO International Standards Organization

ILPC Inner Loop Power Control

IP Internet Protocol

IRC Interference Rejection Combining

ITU International Telecommunications Union

ITU-T ITU-Telecommunication Standardization Bureau

KPIs Key Performance Indicators

LAA Licensed Assisted Access

LBT Listen-Before-Talk

L-CWIC Linear – CodeWord level successive – Interference Cancellation

LCM Life Cycle Management

LI Lawful Intercept

LIR Location Information Request

LSA Licensed Shared Access

LPWA Low Power Wide Area

LWA LTE Wireless Local Area Network Aggregation

LWIP LTE-WLAN Radio Level Integration with IPsec Tunnel

LWIPEP LWIP Encapsulation Protocol

M2M Machine-to-Machine

MA Multiple Access

MANO Management Nodes

MBMS Multimedia Broadcast Multicast Services

MBMS-GW Multimedia Broadcast Multicast Services – Gateway

MBR Maximum Bit Rate

MBS Metropolitan Beacon System

MBSFN Multicast Broadcast Single Frequency Networks

MCE Multi-cell/Multicast Coordination Entity MCG MeNB Cell Group

MCCH Multicast Control Channel

MCL Maximum Coupling Loss

MCPTT Mission Critical Push-to-Talk

MCOT Maximum Channel Occupancy Times

MDT Mobile Data Terminal

MGCF Media Gateway Control Function

MEC Mobile Edge Computing

MMEGI MME Group Identity

MeNB Macro Evolved NodeB

MIMO Multiple-Input Multiple-Output

MIOT Massive Internet of Things

MLB Mobility Load Balancing

MME Mobility Management Entity

MMSE Minimum Mean Square Error

mMTC Massive Machine Type Communications

mmWave Millimeter Wave

MNO Mobile Network Operator

MO Mobile Originated

MOCN Multi-Operator Core Network

MOI Management Object Instance

MONTE Monitoring Enhancement

MPDCCH MTC Physical Downlink Control Channel

MPS Multimedia Priority Service

MRO Mobility Robustness Optimization

MSCS/MGW Mobile Switching Center – Server/Media Getaway

MT Mobile Terminated

MTC Machine Type Communications

MTC-M2M Machine Type Communications/Machineto-Machine

MTC_SIB Machine Type Communication System Information Block

MU-MIMO Multi-User Multiple-Input Multiple-Output

MUST Multi-User Superposition Transmission

MWC Mobile World Congress

NAIC Network Assisted Interference Cancellation

NAS Non-Access Stratum NAS Network Access Sever

NBIFOM Network-Based Internet Protocol Flow Mobility

NB-IoT Narrowband IoT

NE-DC NR E-UTRA Dual Connectivity

NFC Near Field Communications

NG Next Generation

NGAP NG Application Protocol

NGC Next Generation Core

NGMN Next Generation Mobile Networks Alliance

NG– RAN Next Generation Radio Access Network

NGS Next Generation System

NFV Network Function Virtualization

NM Network Management

NPBCH Narrowband Physical Broadcast Channel

NPDCCH Narrowband Physical Downlink Control Channel

NPDSCH Narrowband Physical Downlink Shared Channel

NPRACH Narrowband Physical Random-Access Channel

NPUSCH Narrowband Physical Uplink Shared Channell

NSA Non-Standalone

NSSAI Network Slice Selection Assistance Information

NSSF Network Slice Selection Function

NSD Network Service Descriptors

NRS Narrowband Reference Signal

NR New Radio

NSWO Non-Seamless WLAN Offload

NWDAF Network Data Analytics Function

OAM Operations, Administration and Maintenance

OCC Optical Communication Channel

OCS Online Charging System

OFCS Offline Charging System

OFDM Orthogonal Frequency Division Multiplexing

OEMs Original Equipment Manufacturers

OMA Open Mobile Alliance

OoBTC Out-of-Band Transcoder Control

OPEX Operating Expenses

OTA Over-The-Air

OTDOA Observed Time Difference of Arrival

OTT Over-the-Top PAP Password Authentication Protocol

PAPR Peak-to-Average-Power Ratio

PAR Packet Arrival Rate

PCC Policy and Charging Control

PCEF Policy and Charging Enforcement Function

PCF Policy Control Function

PCell Primary Cell

PCF Policy Control Function

PCRF Policy Control and Charging Rules Function

PC-SCF Proxy Call Session Control Function

PCO Protocol Configuration Options

PDCCH Physical Downlink Control Channel

PDCP Packet Data Convergence Protocol

PDN Public Data Network

PDR Packet Drop Rate

PDN-GW Packet Data Network Gateway

PDU Packet Data Unit/ Protocol Data Unit

P-GW Public Data Network Gateway

PHR Power Head Room

PLMN Public Land Mobile Network

PM Performance Management

PMCH Physical Multicast Channel

PPF Packet Processing Function

PS Packet Switched

PSCell Primary SCell

PSID Public Service ID

PSM Power Saving Mode

P-TMSI Packet Temporary Subscriber Identity Mode PO Paging Occasions

ProSe Proximity Services

ProSe/D2D Proximity Services / Device to Device

PSD Power Spectral Density PSM Power Saving Mode

PTT Push-to-Talk

QCI QoS Class Identifier

QFI QoS Flow ID

QoE Quality of Experience

QoS Quality of Service

RACH Random Access Channel

RADIUS AAA Remote Authentication Dial In User Service for Authentication, Authorization, and Accounting management for computers to connect and use a network service

RAN Radio Access Network

RATG Radio Access Technique Group

RAU Routing Area Update

RCF Radio Control Function RE Resource Element REST Representation State Transfer

RESTful Representation State Transfer based

RMa Rural Macro

R-ML Reduced Complexity ML

ROHC Robust Header Compression

RNTP Relative Narrowband Tx Power

RPF Repetition Factor

RRC Radio Resource Control

RRH/RRU/ RU Remote Radio Head/Remote Radio Unit/ Radio Unit

RRM Radio Resource Management

RSRP Reference Signal Received Power

RSRQ Reference Signal Received Quality

RSU Road Side Unit

RTP Real-time Transport Protocol

RV Redundancy Version

RXU Receiver Units

SA System Architecture/ Stand Alone

SAND Server and Network Assisted DASH

SBI Service Based Interface

SC Service Continuity

SC-FDMA Synchronization Channel-Frequency Division Multiple Access

SCG SeNB Cell Group

SCG Secondary Cell Group

SCM Security Context Management

SCEF Service Capability Exposure Function SD Interface between PCRF and TDF

SDN Software-Defined Networking

SDOs Standards Development Organization

SDS Short Data Service

SDU Service Data Unit SEA Security Anchor Function

SEM Spectrum Emissions Mask

SEPP Security Edge Protection Proxy

SeGW Security Gateway SFN Single Frequency Network

SGSNs Serving GPRS Support Nodes

SGW Serving Gateway

SIPTO Selected Internet Protocol Traffic Offload

SLIC Symbol Level – Interference Cancellation

SM Spatial Multiplexing

SMi Suburban Micro

SMARTER Services and Markets Technology Enablers

SMF Session Management Control Function

SMSF Short Message Service Function

SN Sequence Number

SON Self-Optimizing or Self-Organizing Network

SRB Signaling Resource Bearer

SRS Sounding Reference Signal

SRVCC Single Radio Voice Call Continuity

SSID Service Set Identification

STA Station

TA Tracking Area

TAB Transceiver Array Boundary

TAS Telephony Application Server

TAU Tracking Area Update

TBS Transport Block Size/Terrestrial Beacon System

TC Traffic Class

TCCE TETRA and Critical Communications Evolution TDD Time Division Duplex

TDF Traffic Detection Function

TETRA Terrestrial Trunked Radio

ToS Type of Service

TPC Transmit Power Control

TPR Technical Performance Requirement

TrFO Transcoder Free Operation

TRP Transmission Reception Point

TLS Transport Layer Security

TSN Time Sensitive Networking

TTI Transmit Time Travel

TXU Transmitter Unit

UDM Unified Data Management

UDR United Data Repository

UIC International Union of Railways

Uma Urban Macro

UMi Urban Micro

UPCON User Plane Congestion Management

UPGW User Plane Gateway

UPF User-Plane Function

UPT User Perceived Throughput

URLLC Ultra-Reliable Low Latency Communications

USIM Universal Subscriber Identity Module

UTDOA Uplink Time Difference of Arrival

V2X Vehicle-to-Everything

VCC Voice Call Continuity

VNF Virtualization of Network Functions

VoLTE Voice-over-LTE

VoNR Voice-over-New Radio

ViLTE Video over LTE

WI Work Item

WID Work Item Description

WebRTC Web Real-Time Communication

wIMPU wildcard IMS Public Identity

WLAN Wireless Local Area Network

WT WLAN Termination

XnAP Xn Application Protocol

Xw-C Xw Control Plane Interface

Xw-AP Xw Application Protocol

Xw-U Xw User Plane Interface