My 3GPP abbreviation notes

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My collection of 3GPP (and ETSI) abbreviation notes
Abbreviation Meaning Reference Notes
3GPP 3rd Generation Partnership Project (3GPP) 3GPP
5GC 5G Core Network 23.501
5G DDNMF 5G Direct Discovery Name Management Function 23.501
5G LAN 5G Local Area Network 23.501
5GMM 5GS Mobility Management 24.501 5GMM is a NAS protocol defined in 24.501 that provides procedures for the control of mobility when the user equipment (UE) is using the NG radio access network (NG-RAN) and/or non-3GPP access network. The 5GMM protocol also provides control of security for the NAS protocols.
5GS 5G System 23.501
5GSM 5GS Session Management 24.501 5GSM is a NAS protocol defined in 24.501 that provides procedures for the handling of 5GS PDU sessions. Together with the bearer control provided by the access stratum, this protocol is used for the control of user-plane resources.
5G-AN 5G Access Network 23.501
5G-AN PDB 5G Access Network Packet Delay Budget 23.501
5G-EIR 5G-Equipment Identity Register 23.501
5G-GUTI 5G Globally Unique Temporary Identifier 23.501
5G-BRG 5G Broadband Residential Gateway 23.501
5G-CRG 5G Cable Residential Gateway 23.501
5G-RG 5G Residential Gateway 23.501
5G-S-TMSI 5G S-Temporary Mobile Subscription Identifier 23.501
5G AV 5G Authentication Vector 33.501
5G GM 5G Grand Master 23.501
5G HE AV 5G Home Environment Authentication Vector 33.501
5G NSWO 5G Non-Seamless WLAN Offload 23.501
5G SE AV 5G Serving Environment Authentication Vector 33.501
5G VN 5G Virtual Network 23.501
5QI 5G QoS Identifier 23.501
5U 5GS update 24.501
ABBA Anti-Bidding down Between Architectures 33.501
ADRF Analytics Data Repository Function 23.501
AEAD Authenticated Encryption with Associated Data 55.301
AES Advanced Encryption Standard 33.501
AF Application Function 23.501
AKA Authentication and Key Agreement 33.501
AKMA Authentication and Key Management for Applications 23.501
AnLF Analytics Logical Function 23.501
AN Access Network 23.501
AMF Access and Mobility Function 23.501
AMF (AUMF) Authentication Management Field 33.501 I use full spelling or AUMF to disambiguate abbreviation from Access and Mobility Function
ARQ Automatic Repeat ReQuest 21.905
ARPF Authentication credential Repository and Processing Function 33.501
AS Access Stratum 23.501 Between UE and RAN
ATSSS Access Traffic Steering, Switching, Splitting 23.501
ATSSS-LL ATSSS Low-Layer 23.501
AUSF Authentication Server Function 23.501
AUTN AUthentication TokeN 33.501
AV Authentication Vector 33.501
AV' transformed Authentication Vector 33.501
BAP Backhaul Adaptation 33.501
BCCH Broadcast Control Channel 38.300
BCH Broadcast Channel 38.202
BH Backhaul 33.501
BMCA Best Master Clock Algorithm 23.501
BSF Binding Support Function 23.501
CAG Closed Access Group 23.501
CAPIF Common API Framework for 3GPP northbound APIs 23.501
CC Content of Communication 33.127
CCA Client Credentials Assertion 33.501
CD-SSB Cell-Defining Synchronization Signal and PBCH block 38.300 When an SSB is associated with an RMSI, the SSB is referred to as a Cell-Defining SSB (CD-SSB). A PCell is always associated to a CD-SSB located on the synchronization raster.
Cell-ID Cell Identity 33.501 Cell-ID as used in TS 38.331
CH Credentials Holder 23.501
CHF Charging Function 23.501
CHO Conditional Handover 33.501
CIoT Cellular Internet of Things 33.501
cIPX consumer's IPX 33.501
CK Cipher Key 33.501
CKSRVCC Cipher Key for Single Radio Voice Continuity 33.501
CM Connection Management 24.007
CN Core Network 23.501
CN PDB Core Network Packet Delay Budget 23.501
CP Control Plane 23.501
CPA Conditional PSCell Addition 38.300
CPC Conditional PSCell Change 38.300
cSEPP consumer's SEPP 33.501
CTR Counter (mode) 33.501
CU Central Unit 33.501
DAPS Dual Active Protocol Stacks 23.501
DCCF Data Collection Coordination Function 23.501
DCS Default Credentials Server 23.501
DL Downlink 23.501
DMRS Demodulation Reference Signal 38.300
DN Data Network 23.501
DNAI DN Access Identifier 23.501
DNN Data Network Name 23.501
DRB Data Radio Bearers 38.300
DRX Discontinuous Reception 23.501
DSMIP Dual Stack Mobile IP
DS-TT Device-side TSN translator 23.501 Time Sensitive Networking?
DU Distributed Unit 33.501
EAC Early Admission Control 23.501
EAP Extensible Authentication Protocol 33.501
EBI EPS Bearer Identity 23.501 EPS is Evolved Packet System
EDT Early Data Transmission 33.501
EHPLMN Equivalent Home PLMN 21.905
EMSK Extended Master Session Key 33.501
EMM EPS Mobility Management 24.501
EN-DC E-UTRA-NR Dual Connectivity 33.501
ENSI External Network Slice Information 33.501
ePDG evolved Packet Data Gateway 23.501
EPS Evolved Packet System 33.501
EUI Extended Unique Identifier 23.501
FAR Forwarding Action Rule 23.501
FN-BRG Fixed Network Broadband RG 23.501 RG for Residential Gateway
FN-CRG Fixed Network Cable RG 23.501 RG for Residential Gateway
FN-RG Fixed Network RG 23.501 RG for Residential Gateway
FQDN Fully Qualified Domain Name 23.501
gNB NR Node B 33.501
GBA Generic Bootstrapping Architecture 23.501
GEO Geostationary Orbit 23.501
GERAN GSM EDGE Radio Access Network 3gpp.org
GFBR Guaranteed Flow Bit Rate 23.501
GIN Group ID for Network Selection 23.501
GMLC Gateway Mobile Location Center 23.501
GMM GPRS Mobility Management 24.008
GPRS General Packet Radio Service 23.060
GPSI Generic Public Subscription Identifier 23.501 GPSI is needed for addressing a 3GPP subscription in different data networks outside of the 3GPP system. The 3GPP system stores within the subscription data the association between the GPSI and the corresponding SUPI.

GPSIs are public identifiers used both inside and outside of the 3GPP system.

The GPSI is either an MSISDN or an External Identifier, see TS 23.003. If MSISDN is included in the subscription data, it shall be possible that the same MSISDN value is supported in both 5GS and EPS.

NOTE: There is no implied 1-to-1 relationship between GPSI and SUPI.
GSM Global System for Mobile communications 33.127
GUAMI Globally Unique AMF Identifier 23.501 AMF for Access and Mobility Function
GUTI Globally Unique Temporary UE Identity 33.501
HMTC High-Performance Machine-Type Communications 23.501
HR Home Routed 23.501 Roaming scenario
HRES Hash RESponse 33.501
HXREX Hash eXpected RESponse 33.501
IAB Integrated access and backhaul 23.501
ICBM Inter-Cell Beam Management 38.300
IK Integrity Key 33.501
IKE Internet Key Exchange 33.501
IKSRVCC Integrity Key for Single Radio Voice Continuity 33.501
IMEI/TAC IMEI Type Allocation Code 23.501
IMSI International Mobile Subscriber Identity 33.127
IPUPS Inter PLMN UP Security 23.501
IPX IP exchange service 33.501
I-RNTI Inactive RNTI 38.300
I-SMF Intermediate SMF 23.501
I-UPF Intermediate UPF 23.501
INT-RNTI Interruption RNTI 38.300
IRI Intercept Related Information 33.127
KSI Key Set Identifier 33.501
KSISRVCC Key Set Identifier for Single Radio Voice Continuity 33.501
LADN Local Area Data Network 23.501
LBO Local Break Out 23.501 Roaming scenario
LD Lawful Disclosure ETSI 103.120
LDID Lawful Disclosure IDentifier ETSI 103.280 LEA shall assign a unique LDID.
LEO Low Earth Orbit 23.501
LI Lawful Intercept 33.501
LI_HIQR Lawful Interception Handover Interface Query Response 33.127
LI_XER Lawful Interception Internal Interface Event Record 33.127
LI_XQR Lawful Interception Internal Interface Query Response 33.127
LLC Logical Link Control 24.007
LMF Location Management Function 23.501
LoA Level of Authorization 23.501
LPP LTE Positioning Protocol 23.501
LRF Location Management Function 23.501
LTE Long Term Evolution 33.127
MAC Message Authentication Code 24.501
MANO Management and Orchestration
MBS Multicast/Broadcast Service 23.501
MBSF Multicast/Broadcast Service Function 23.501
MBSTF Multicast/Broadcast Service Transport Function 23.501
MB-SMF Multicast/Broadcast Session Management Function 23.501
MB-UPF Multicast/Broadcast User Plane Function 23.501
MCX Mission Critical Service 23.501
MDBV Maximum Data Burst Volume 23.501
MDF Mediation and Delivery Function 33.127
MeNB Master eNB 33.501
ME Mobile Equipment 21.905
MEO Medium Earth Orbit 23.501
MFAF Messaging Framework Adaptor Function 23.501
MFBR Maximum Flow Bit Rate 23.501
MIB Master Information Block Referenced in 38.300
MICO Mobile Initiated Connection Only 23.501
MINT Minimization of Service Interruption 23.501
ML Machine Learning 23.501
MM Mobility Management 24.007
MN Master Node 33.501
MO-EDT Mobile Originated Early Data Transmission 33.501
MT-EDT Mobile Terminated Early Data Transmission 33.501
MPS Multimedia Priority Service 23.501
MPTCP Multi-Path TCP Protocol 23.501
MR-DC Multi-Radio Dual Connectivity 38.300 Further details of MR-DC operation, including Conditional PSCell Addition (CPA) and Conditional PSCell Change (CPC), can be found in TS 37.340.
MSK Master Session Key 33.501
MTLF Model Training Logical Function 23.501
N3IWF Non-3GPP Inter-Working Function 23.501
N5CW Non-5G-Capable over WLAN 23.501
N5GC Non-5G Capable 24.501
NAI Network Access Identifier 23.501
NAS Non-Access Stratum 33.501 Between UE and Core Network
NCC Next Hop Chaining Counter parameter 33.501
NCI NR Cell ID 33.128
NDS Network Domain Security 33.501
NEA Encryption Algorithm for 5G 33.501
NEF Network Exposure Function 23.501
NF Network Function 23.501
NG Next Generation 33.501
NG-RAN 5G (Next Generation) Radio Access Network 33.501
NG-C NG Control Plane 38.300 Between NG-RAN node and AMF
NG-U NG User Plane 38.300 Between NG-RAN and UPF
ng-eNB Next Generation Evolved Node-B 33.501
ngKSI Key Set Identifier in 5G 33.501
NGAP Next Generation Application Protocol 23.501
NH Next Hop 33.501
NIA Integrity Algorithm for 5G 33.501
NID Network identifier 23.501
NPN Non-Public Network 23.501
NR New Radio 23.501
NR-DC NR-NR Dual Connectivity 33.501
NRF Network Repository Function 23.501
NSAC Network Slice Admission Control 23.501
NSACF Network Slice Admission Control Function 23.501
NSAG Network Slice AS Group 23.501
NSI ID Network Slice Instance Identifier 23.501
NSSAA Network Slice-Specific Authentication and Authorization 23.501
NSSAAF Network Slice-specific and SNPN Authentication and Authorization Function 23.501
NSSAI Network Slice Selection Assistance Information 23.501
NSSF Network Slice Selection Function 23.501
NSSP Network Slice Selection Policy 23.501
NSSRG Network Slice Simultaneous Registration Group 23.501
NSWO Non-Seamless WLAN offload 23.501
NSWOF Non-seamless WLAN offload Function 23.501
NW-TT Network-side TSN translator 23.501
NWDAF Network Data Analytics Function 23.501
NWO Network Operator 102 528
ONN Onboarding Network 23.501
ON-SNPN Onboarding Standalone Non-Public Network 23.501
PBCH Physical Broadcast Channel 38.202
PCell Primary Cell 38.300 See section 7.7
PCH Paging Channel 38.202
PCF Policy Control Function 23.501
PDB Packet Delay Budget 23.501
PDCCH Physical Downlink Control Channel 38.300
PDCP Packet Data Convergence Protocol 38.300 The layer 2 of NR is split into the following sublayers: Medium Access Control (MAC), Radio Link Control (RLC), Packet Data Convergence Protocol (PDCP) and Service Data Adaptation Protocol (SDAP).
PDR Packet Detection Rule 23.501
PDSCH Physical Downlink Shared Channel 38.300
PDU Protocol Data Unit 23.501
PDN Packet Data Network 33.501
PEI Permanent Equipment Identifier 23.501
PER Packet Error Rate 23.501
PFD Packet Flow Description 23.501
pIPX producer's IPX 33.501
PMIP Proxy Mobile IP
PNI-NPN Public Network Integrated Non-Public Network 23.501
PPD Paging Policy Differentiation 23.501
PPF Paging Proceed Flag 23.501
PPI Paging Policy Indicator 23.501
PRACH Physical Random Access Channel 38.300
PRINS PRotocol for N32 INterconnect Security 33.501
PSA PDU Session Anchor 23.501
pSEPP producer's SEPP 33.501
PSS Primary Synchronization Signal 38.300
PTP Precision Time Protocol 23.501
PUCCH Physical Uplink Control Channel 38.300
PUR Preconfigured Uplink Resource 33.501
PUSCH Physical Uplink Shared Channel 38.300
PVS Provisioning Server 23.501
QFI QoS Flow Identifier 23.501
QoE Quality of Experience 23.501
QoS Quality of Service 33.501
RACH Random Access Channel 38.300
RACS Radio Capabilities Signalling optimization 23.501
(R)AN (Radio) Access Network 23.501
RANAC RAN-based Notification Area Code 38.300
RAND RANDom number ???
RA-RNTI Random Access RNTI 38.300
RB NR Resource Block
RES RESponse 33.501
RG Residential Gateway 23.501
RIM Remote Interference Management 23.501
RNA RAN-based Notification Area 38.300
RNAU RAN-based Notification Area Update 38.300
RNTI Radio Network Temporary Identifier 38.300
RPLMN Registered Public Land Mobile Network 21.905
RQA Reflective QoS Attribute 23.501
RQI Reflective QoS Indication 23.501
RR Radio Resource 24.007
RRC Radio Resource Control 38.331
RRM Radio Resource Management
RSN Redundancy Sequence Number 23.501
RSRP Reference Signal Received Power 38.300
SA NR Standalone New Radio 23.501
SBA Service Based Architecture 23.501
SBI Service Based Interface 23.501
SCell Secondary Cell 38.300 See section 7.7. The configured set of serving cells for a UE always consists of one PCell and one or more SCells.
SCG Secondary Cell Group 33.501
SCP Service Communication Proxy 23.501 NFs and NF services can communicate directly, referred to as Direct Communication, or indirectly via the SCP, referred to as Indirect Communication. For more information on communication options, see Annex E and clauses under 6.3.1 and 7.1.2 of 23.501
SD Slice Differentiator 23.501
SDT Small Data Transmission 38.300
SEAF Security Anchor Function 23.501
SEPP Secure Edge Protection Proxy 23.501
SgNB Secondary gNB 33.501
SGC Service Gap Control 24.501
SIB System Information Block 38.300
SIDF Subscription Identifier De-concealing Function 33.501
SMC Security Mode Command 33.501
SMF Session Management Function 23.501
SMS Short Message Service 21.905
SMSF Short Message Service Function 23.501
SN Sequence Number 23.501
SN Secondary Node 33.501
SN Id Serving Network Identifier 33.501
SNPN Standalone Non-Public Network 23.501
SOR Steering of Roaming 23.122
SPS Semi-Persistent Scheduling 38.300
SRB Signalling Radio Bearers 38.300 Radio bearers are categorized into two groups: data radio bearers (DRB) for user plane data and signalling radio bearers (SRB) for control plane data.
SS Synchronization Signal 38.300
SSB SS/PBCH block 38.300
SSC Session and Service Continuity 23.501
SSCMSP Session and Service Continuity Mode Selection Policy 23.501
SSS Secondary Synchronization Signal 38.300
SST Slice/Service Type 23.501
SUCI Subscription Concealed Identifier 23.501
SUPI Subscription Permanent Identifier 23.501
SV Software Version 23.501
SvP Service Provider 102 528
S-NSSAI Single Network Slice Selection Assistance Information 23.501
SO-SNPN Subscription Owner Standalone Non-Public Network 23.501
TA Tracking Area 23.501
TAC Tracking Area Code 38.300
TAI Tracking Area Identity 23.501
TLS Transport Layer Security 33.501
TNAN Trusted Non-3GPP Access Network 23.501
TNAP Trusted Non-3GPP Access Point 23.501
TNGF Trusted Non-3GPP Gateway Function 23.501
TNL Transport Network Layer 23.501
TNLA Transport Network Layer Association 23.501
TSC Time Sensitive Communication 23.501
TSCAI TSC Assistance Information 23.501
TSCTSF Time Sensitive Communication and Time Synchronization Function 23.501
TSN Time Sensitive Networking 23.501
TSN GM TSN Grand Master 23.501
TSP Traffic Steering Policy 23.501
TT TSN Translator 23.501
TWAP Trusted WLAN Access Point 33.501
TWIF Trusted WLAN Interworking Function 23.501
UAS NF Uncrewed Aerial System Network Function 23.501
UCMF UE radio Capability Management Function 23.501
UDM Unified Data Management 23.501
UDR Unified Data Repository 23.501
UDSF Unstructured Data Storage Function 23.501
UE User Equipment 33.501
UEA UMTS Encryption Algorithm 33.501
UIA UMTS Integrity Algorithm 33.501
UL Uplink 23.501
ULR Update Location Request 33.501
UL CL Uplink Classifier 23.501
UMTS Universal Mobile Telecommunication System 33.127
UP User Plane 33.501
UPF User Plane Function 23.501
URLLC Ultra Reliable Low Latency Communication 23.501
URRP-AMF UE Reachability Request Parameter for AMF 23.501
URSP UE Route Selection Policy 23.501
USIM Universal Subscriber Identity Module 33.501
VID VLAN Identifier 23.501
VLAN Virtual Local Area Network 23.501
W-5GAN Wireline 5G Access Network 23.501
W-5GBAN Wireline BBF Access Network 23.501
W-5GCAN Wireline 5G Cable Access Network 23.501
W-AGF Wireline Access Gateway Function 23.501
xIRI LI_X2 IRI 33.127
XRES eXpected RESponse 33.501
To Telecommunications info
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