5G Abbreviations (CORE & RAN)

NR

New Radio

NG-RAN

Next-Generation Radio Access Network

3GPP

Third Generation Partnership Project

eMBB

Enhanced Mobile Broadband

URLLC

Ultra-Reliable and Low Latency Communications

mMTC

Massive Machine-Type Communications

5GC

5G Core

NSA

Non-Standalone Architecture

SA

Standalone Architecture

EPC

Evolved Packet Core

gNB

New Radio Node B

UE

User Equipment

AMF

Access and Mobility Management Function

UPF

User Plane Function

ng-eNB

Next Generation ENode B

RF

Radio Frequency

CP-OFDM

Cyclic Prefix Orthogonal Frequency Division Multiplexing

256QAM

256 Quadrature Amplitude Modulation

MIMO

Multiple Input Multiple Output

CU

Centralized Unit

DU

Distributed Unit

AN

Access Network

QoS

Quality of Service

RU

Radio Unit

SDAP

Service Delivery Adaptation Protocol

PDCP

Packet Data Convergence Protocol

RRC

Radio Resource Control

RLC

Radio Link Control

MAC

Medium Access Control

PHY

Physical

RRH

Remote Radio Head

OTA

Over the Air

SMF

Session Management Function

CHF

Charging Function

UDM

Unified Data Manager

PCF

Policy Control Function

COTS

Commercial Off The Shelf

5GS

5G System

N3-IWF

N3-Interworking Function

EIR

Equipment Identity Register

SMSF

Short Messaging Service Function

NSSF

Network Slice Selection Function

AUSF

Authentication Server Function

SM

Session Management

PDU

Protocol Data Units

PFD

Packet Flow Descriptor

GTPU

GPRS Tunneling Protocol

MA PDU

Multi Access Packet Data Unit

TSSS

Traffic Steering, Switching, and Splitting

UDR

Unified Data Repository

NEF

Network Exposure Function

NWDAF

Network Data Analytics Function

NRF

Network Repository Function

SUPI

Subscription Permanent Identifier

SUCI

Subscription Concealed Identifier

DNN

Data Network Name

NAS

Non-Access Stratum

NSSAI

Network Slice Selection Assistance Informatioin

SEPP

Security Edge Protection Proxy

SCP

Service Communication Proxy

NSAAF

Network Slice Specific Authentication and Authorization Function

DRB

Dedicated Resource Bearer

SSC

Session and Service Continuity

NAI

Network Access Identifier

MCC

Mobile Country Code

MNC

Mobile Network Code

MSIN

Mobile Subscriber Identification Number

SIDF

Subscription Identifier De-concealing Function

APN

Access Point Name

CAPEX

Capital Expenditure

MANO

Management and Orchestration

VIM

Virtual Infrastructure Manager

VNF

Virtual Network Function

MME

Mobility Management Entity

PGW

Packet Data Network Gateway

SGW

Serving Gateway

EM

Element Manager

REST

Representational State Transfer

SBA

Service Based Architecture

CRUD

Create, Read, Update, Delete

VoNR

Voice Over New Radio

IMS

IP Multimedia Subsystem

SIP

Session Initiation Protocol

RTP

Real-time Transport Protocol

5QI

5G QoS Identifier

P-CSCF

Proxy CSCF

I-CSCF

Interrogating CSCF

S-CSCF

Serving CSCF

TAS

Telephony Application Server

HSS

Home Subscriber Server

AAA

Authentication, Authorization, and Accounting

LDAP

Lightweight Directory Access Protocol

DN

Data Network

IFC

Initial Filter Criteria

SDP

Session Description Protocol

PRACK

Provisional Response Acknowledgement

GFBR

Guaranteed Flow Bit Rate

PSTN

Public Switched Telephone Networks

MGCF

Media Gateway Control Function

IM MGW

IP Multimedia Gateway