2G | 2nd Generation |
3G | 3rd Generation |
3GPP | 3rd Generation Partnership Program |
AAA | Authentication, Authorization, and Accounting |
ACB | Access Class Barring |
ACBL | Access Class Barring List |
ACBT | Access Class Barring Time |
ACMA | Australian Communications and Media Authority |
ADMF | Administration Function |
AF | Application Function |
AKA | Authentication and Key Agreement |
ALUID | Application Layer User ID |
AM | Acknowledged Mode |
AMBR | Aggregate Maximum Bit Rate |
AN | Access Network |
ANDSF | Access Network Discovery and Selection Function |
AP | Application Protocol, Access Provider |
APCO | Association of Public Safety Communications Officials |
APF | Access Probability Factor |
API | Application Programming Interface |
APN | Access Point Name |
APN-AMBR | APN Aggregate Maximum Bit Rate |
Apps | Applications |
ARIB | Association of Radio Industries and Businesses |
ARIB | Association of Radio Industries and Businesses |
ARP | Address Resolution Protocol, Allocation and Retention Priority |
AS | Access Stratum, Application Server |
ATIS | Alliance for Telecommunications Industry Solutions |
AuC | Authentication Center |
AVP | Attribute Value Pair |
BCH | Broadcast Channel |
BCCH | Broadcast Control Channel |
BD | Billing Domain |
BM-SC | Broadcast Multicast Service Center |
BSC | Base Station Controller |
BSR | Buffer Status Reports |
BSS | Base Station System |
BTS | Base Transceiver Station |
CAPEX | Capital Expenditure |
CBC | Cell Broadcast Center |
CBE | Cell Broadcast Entity |
CBS | Cell Broadcast Service |
CC | Content of Communication |
CCSA | China Communication Standards Association |
CDF | Charging Data Function |
CDMA | Code Division Multiple Access |
CDR | Charging Data Record |
CGF | Charging Gateway Function |
CI | Cell Identity |
CMAS | Commercial Mobile Alert System |
CN | Core Network |
CP | Control Plane |
CS | Circuit Switched |
CSFB | Circuit Switched Fall Back |
CTF | Charging Trigger Function |
D2D | Device-to-Device |
DF | Delivery Function |
DHCP | Dynamic Host Configuration Protocol |
DIAMETER | Pun on the name RADIUS (diameter is twice the circle radius) |
DL | Downlink |
DM | Device Management |
DNS | Domain Name System |
DPI | Deep Packet Inspection |
DRX | Discontinuous Reception |
DSCP | DiffServ Code Point |
DSMIP | Dual Stack Mobile IP |
DTLS | Datagram Transport Layer Security |
E2E | End-to-End |
ECRIT | Emergency Context Resolution with Internet Technologies |
EDGE | Enhanced Data Rates for GSM Evolution |
eHRPD | Evolved High Rate Packet Data |
EIR | Equipment Identity Register |
EEA | EPS Encryption Algorithm |
EHPLMN | Equivalent Home PLMN |
eMBMS | Evolved MBMS |
eNB, eNodeB | E-UTRAN NodeB, also referred to as Evolved NodeB |
ePDG | Evolved Packet Data Gateway |
ECM | EPS Connection Management |
EPS | Evolved Packet System |
EMM | EPS Mobility Management |
EPUID | EPC-level User ID |
ETSI | European Telecommunications Standards Institute |
ETSI TCCE | ETSI Technical Committee TETRA and Critical Communications Evolution |
ETWS | Earthquake and Tsunami Warning System |
E-UTRAN | Evolved Universal Terrestrial Radio Access Network |
EU-ALERT | European Public Warning System |
FBC | Flow-Based Charging |
FCC | Federal Communications Commission |
FDD | Frequency Division Duplex |
GBA | Generic Bootstrapping Architecture |
GBR | Guaranteed Bit Rate |
GCS AS | Group Call System Application Server |
GCSE | Group Call System Enablers |
GERAN | GSM/EDGE Radio Access Network |
GGSN | Gateway GPRS Support Node |
GMK | Group Master Key |
GO | Group Owner |
GPRS | General Packet Radio Service |
GPS | Global Positioning System |
GSA | Global Mobile Suppliers Association |
GSK | Group Session Key |
GSM | Global System for Mobile Communications |
GSMA | GSM Association |
GSM-R | GSM for Railways |
GTP | GPRS Tunneling Protocol |
GUTI | Globally Unique Temporary Identity |
GUMMEI | Globally Unique Mobile Management Entity Identifier |
GW | Gateway |
HARQ | Hybrid Adaptive Repeat and Request |
HI | Handover Interface |
HLR | Home Location Register |
HPLMN | Home Public Land Mobile Network |
HSDPA | High-Speed Downlink Packet Access |
HSPA | High-Speed Packet Access (HSDPA+HSUPA) |
HSUPA | High-Speed Uplink Packet Access |
HSS | Home Subscriber Server |
HTTP | Hyper Text Transfer Protocol |
IC | Incident Commander |
I-CSCF | Interrogating Call Session Control Function |
IEC | Immediate Event Charging |
IEEE | Institute of Electrical and Electronics Engineers |
IETF | Internet Engineering Task Force |
IMEI | International Mobile Equipment Identity |
IMS | IP Multimedia Subsystem |
IMSI | International Mobile Subscriber Identity |
IOPS | Isolated E-UTRAN Operation for Public Safety |
IP | Internet Protocol |
IP-CAN | IP Connectivity Access Network |
IPSec | IP Security |
IRI | Intercept-Related Information |
KMS | Key Management System |
KPAS | Korean Public Alert System |
L1 | Layer 1 |
L2 | Layer 2 |
L3 | Layer 3 |
LA | Location Area |
LAI | Location Area Identity |
LBI | Linked EPS Bearer Identity |
LEA | Law Enforcement Agency |
LEMF | Law Enforcement Monitoring Facility |
LIF | Location Interoperability Forum |
LIPA | Local IP Access |
LMA | Local Mobility Anchor |
LMR | Land Mobile Radio |
LTE | Long-Term Evolution |
M2M | Machine-to-Machine |
MAC | Medium Access Control |
MAG | Mobile Access Gateway |
MBMS | Multimedia Broadcast/Multicast Service |
MBR | Maximum Bit Rate |
MBSFN | MBMS Single Frequency Network |
MCH | Multicast Channel |
MCCH | Multicast Control Channel |
MCE | Multi-cell Coordination Entity |
MCPTT | Mission Critical Push To Talk |
ME | Mobile Equipment |
MGCF | Media Gateway Control Function |
MIB | Master Information Block |
MIC | Message Integrity Check |
MIP | Mobile IP |
MLP | Mobile Location Protocol |
MME | Mobility Management Entity |
MO | Mobile-Originated, Management Object |
MSC | Mobile Switching Center |
MSI | MCH Scheduling Information |
MSISDN | Mobile Subscriber ISDN Number |
MSP | MCH Scheduling Period |
MT | Mobile Terminated |
MTCH | Multicast Traffic Channel |
NAS | Network Access Server (DIAMETER application) |
NAS | Non Access Stratum |
NB | NodeB |
NPSBN | National Public Safety Broadband Network |
NPSBN-U | NPSBN User |
OA&M | Operation, Administration, and Maintenance |
OCS | Online Charging System |
OFCS | Offline Charging System |
OFDM | Orthogonal Frequency Division Multiplexing |
OMA | Open Mobile Alliance |
OMA DM | OMA Device Management |
OPEX | Operational Expenditure |
OTA | Over-the-Air |
OTT | Over-the-Top |
P.25 | Project 25 |
P2P | Peer-to-Peer |
PAM | Priority Alarm Message |
PCC | Policy and Charging Control |
PCEF | Policy Charging Enforcement Function |
PCI | Physical Cell ID |
PCRF | Policy and Charging Rules Function |
P-CSCF | Proxy Call Session Control Function |
PD2DSS | Primary D2D Synchronization Signal |
PDCP | Packet Data Convergence Protocol |
PDN | Packet Data Network |
PDP | Packet Data Protocol |
PDU | Protocol Data Unit |
PEK | ProSe Encryption Key |
PFID | ProSe Function ID |
P-GW | Packet Data Network Gateway (PDN-GW) |
PGK | ProSe Group Key |
PLMN | Public Land Mobile Network |
PMCH | Physical Multicast Channel |
PMIP | Proxy Mobile IP |
PMK | Pairwise Master Key |
PoA | Point of Attachment |
PoC | Push To Talk over Cellular |
ProSe | Proximity Services |
PS | Packet Switched, Public Safety |
PSAP | Public Safety Answering Point |
PSS | Primary Synchronization Signal |
PSSID | Physical Layer Identity |
PSTN | Public Switched Telephone Network |
PSCH | ProSe Communication Shared Channel |
PTCH | ProSe Communication Traffic Channel |
PTK | ProSe Traffic Key |
PubS | Public Safety |
PWS | Public Warning System |
QCI | QoS Class Identifier |
QoS | Quality of Service |
RA | Routing Area |
RAB | Radio Access Bearer |
RADIUS | Remote Authentication Dial-In User Service |
RAN | Radio Access Network |
RAT | Radio Access Type |
Rel | Release |
RLC | Radio Link Control |
RNC | Radio Network Controller |
RRC | Radio Resource Control |
RTCP | Real-Time Control Protocol |
RTP | Real-Time Transport Protocol |
SA | Scheduling Assignment |
SAE | System Architecture Evolution |
S-CSCF | Serving Call Session Control Function |
SCTP | Stream Control Transmission Protocol |
SD2DSS | Secondary D2D Synchronization Signal |
SDF | Service Data Flow |
SDP | Session Description Protocol, Service Delivery Platform |
SGSN | Serving GPRS Support Node |
S-GW | Serving Gateway |
SIB | System Information Broadcast |
SIM | Subscriber Identity Module |
SIP | Session Initiation Protocol |
SIPTO | Selective IP Offload |
SMS | Short Message Service |
SMSC | Short Message Service Center |
SLA | Service Level Agreement |
SLP | SUPL Location Platform |
SR | Scheduling Request |
SRTCP | Secure RTCP |
SRTP | Secure RTP |
SSID | Service Set Identifier |
SSS | Secondary Synchronization Signal |
TA | Tracking Area, Timing Advance |
TAI | Tracking Area Identity |
TAU | Tracking Area Update |
TC MSG | Technical Committee Mobile Standards Group |
TCO | Total Cost of Ownership |
TCP | Transmission Control Protocol |
TDD | Time Division Duplex |
TE | Terminal Equipment |
TEID | Tunnel Endpoint Identifier |
TETRA | Terrestrial Trunked Radio |
TFT | Traffic Flow Template |
TIA | Telecommunications Industry Association |
TM | Transparent Mode |
TMGI | Temporary Mobile Group Identity |
TMSI | Temporary Mobile Subscriber Identity |
TR | Technical Report |
TS | Technical Specification |
TTA | Telecommunications Technology Association |
TTC | Telecommunication Technology Committee |
TWAG | Trusted WLAN Access Gateway |
TWAN | Trusted WLAN Access Network |
UDP | User Datagram Protocol |
UE | User Equipment |
UICC | Universal Integrated Circuit Card |
UL | Uplink |
UM | Unacknowledged Mode |
UMTS | Universal Mobile Telecommunications System |
UP | User Plane |
URI | Uniform Resource Identifier |
USA | United States of America |
USIM | Universal Subscriber Identity Module |
UTC | Universal Time, Coordinated |
UTRAN | Universal Terrestrial Radio Access Network |
v4 | Version 4 |
v6 | Version 6 |
VPLMN | Visited Public Land Mobile Network |
WCDMA | Wideband Code Division Multiple Access |
WLAN | Wireless Local Area Network |
WLCP | WLAN Control Protocol |
WLLID | WLAN Link Layer ID |
WRC | World Radio Conference |