- 3GPP:
- 3rd Generation Partnership Project
- 5GC:
- 5G Core
- 5G NR:
- 5G New Radio
A
- AA:
- Antenna Array
- AAA:
- Authentication, Authorization and Accounting
- AAA:
- Authenticate-Authorize-Answer
- AAR:
- Authenticate-Authorize-Request
- AAS:
- Active Antenna System
- ADM:
- Activation/Deactivation MAC
- AES:
- Advanced Encryption Standard
- AESE:
- Architecture Enhancements for Service capability Exposure
- AF:
- Application Function
- AH:
- Authentication Header
- AIA:
- Authentication-Information-Answer
- AIR:
- Authentication-Information-Request
- AKA:
- Authentication and Key Agreement
- AM:
- Acknowledged Mode
- AMBR:
- Aggregate Maximum Bit Rate
- ANDI:
- Access Network Discovery Information
- ANDSF:
- Access Network Discovery and Selection Function
- ANQP:
- Access Network Query Protocol
- AP:
- Access Point
- AP:
- Application Part
- API:
- Application Programming Interface
- APN:
- Access Point Name
- ARP:
- Allocation and Retention Priority
- ARQ:
- Automatic Repeat reQuest
- AS:
- Application Server
- ASA:
- Abort-Session-Answer
- ASR:
- Abort-Session-Request
- AUTN:
- Authentication Network
B
- BBU:
- Base Band Unit
- BCE:
- Binding Cache Entry
- BIA:
- Bootstrapping-Info-Answer
- BIR:
- Bootstrapping-Info-Request
- BM-SC:
- Broadcast/Multicast Service Center
- BSF:
- Bootstrapping Server Function
- BSSID:
- Basic Service Set Identifier
- B-TID:
- Bootstrapping Transaction Identifier
- BWP:
- Bandwidth Part
C
- CA:
- Carrier Aggregation
- CC:
- Component Carrier
- CCA:
- Clear Channel Assessment
- CCA:
- Credit-Control-Answer
- CCR:
- Credit-Control-Request
- CDD:
- Cyclic Delay Diversity
- CE:
- Coverage Extension
- CIA:
- Configuration-Information-Answer
- CIoT:
- Cellular Internet of Things
- CIR:
- Configuration-Information-Request
- CK:
- Cipher Key
- CMA:
- Connection-Management-Answer
- CMR:
- Connection-Management-Request
- CN:
- Correspondent Node
- CNA:
- Correspondent Node Address
- CoA:
- Care of Address
- CoMP:
- Coordinated Multi Point
- CP:
- Control Plane
- CPRI:
- Common Public Radio Interface
- CQI:
- Channel Quality Indicator
- CRC:
- Cyclic Redundancy Check
- CRI:
- CSI Resource Index
- CRS:
- Cell-specific Reference Signal
- CS:
- Circuit-Switched
- CSFB:
- Circuit-Switched Fallback
- CSI:
- Channel State Information
- CSMA/CA:
- Carrier Sense Multiple Access/Collision Avoidance
- CU:
- Centralized Unit
- CUPS:
- Control and User Plane Separation
D
- D2D:
- Device to Device
- DAA:
- Device-Action-Answer
- DAR:
- Device-Action-Request
- DC:
- Dual Connectivity
- DCI:
- Downlink Control Information
- DEA:
- Diameter-EAP-Answer
- DeNB:
- Donor eNB
- DER:
- Diameter-EAP-Request
- DFT-S-OFDM:
- Discrete Fourier Transform Spread OFDM
- D–H:
- Diffie–Hellman
- DHCP:
- Dynamic Host Configuration Protocol
- DL:
- Downlink
- DL-SCH:
- Downlink Shared Channel
- DMRS:
- Demodulation Reference Signal
- DMTC:
- Discovery Measurement Timing Configuration
- DNA:
- Device-Notification-Answer
- DNR:
- Device-Notification-Request
- DNS:
- Domain Name System
- DoA:
- Direction of Arrivals
- DRA:
- Device-Report-Answer
- DRB:
- Data Radio Bearer
- DRR:
- Device-Report-Request
- DRS:
- Discovery Reference Signal
- DSCP:
- DiffServ Code Point
- DSMIPv6:
- Dual-Stack Mobile IP version 6
- DTA:
- Device-Trigger-Answer
- DTR:
- Device-Trigger-Request
- DU:
- Distributed Unit
- DwPTS:
- Downlink Pilot Time Slot
E
- EAP:
- Extensible Authentication Protocol
- EAPOL:
- EAP Over LAN
- EBF:
- Elevation Beamforming
- ECGI:
- E-UTRAN Cell Global Identifier
- eCPRI:
- enhanced Common Public Radio Interface
- eDRX:
- extended Discontinuous Reception
- EHSP:
- Equivalent Home Service Providers
- eICIC:
- enhanced Inter-Cell Interference Coordination
- eLAA:
- enhanced LAA
- eMBMS:
- evolved Multimedia Broadcast/Multicast Service
- EMSK:
- Extended Master Session Key
- eNB:
- evolved Node Base station
- en-gNB:
- E-UTRA-NR DC next generation Node B
- EPC:
- Evolved Packet Core
- ePDCCH:
- enhanced PDCCH
- ePDG:
- evolved Packet Data Gateway
- EPS:
- Evolved Packet System
- E-RAB:
- EPS Radio Access Bearer
- ESP:
- Encapsulating Security Payload
- E-UTRAN:
- Evolved Universal Terrestrial Radio Access Network
F
- FA:
- Foreign Agent
- FAA:
- Foreign Agent Address
- FBE:
- Frame-Based Equipment
- FDD:
- Frequency-Division Duplex
- FD-MIMO:
- Full-Dimension MIMO
- FEC:
- Forward Error Correction
- FFT:
- Fast Fourier Transform
- FLUTE:
- File Delivery over Unidirectional Transport
- FQDN:
- Full Qualified Domain Name
- FR:
- Frequency Range
- FSTD:
- Frequency Shift Transmit Diversity
G
- GAA:
- GCS-Action-Answer
- GAR:
- GCS-Action-Request
- GAS:
- Generic Advertisement Service
- GBA:
- Generic Bootstrapping Architecture
- GCSE:
- Group Communication System Enablers
- GNA:
- GCS-Notification-Answer
- gNB:
- next generation Node Base station
- GNR:
- GCS-Notification-Request
- GNSS:
- Global Navigation Satellite System
- GP:
- Gap Period
- GRE:
- Generic Routing Encapsulation
- GTP-U:
- GPRS Tunneling Protocol User
- GTPv2-C:
- GPRS Tunneling Protocol Control
- GUTI:
- Globally Unique Temporary Identity
H
- HA:
- Home Agent
- HARQ:
- Hybrid Automatic Repeat reQuest
- HeNB:
- Home eNB
- HESSID:
- Homogeneous Extended Service Set Identifier
- HI:
- HARQ Indicator
- HNP:
- Home Network Prefix
- HoA:
- Home Address
- HSS:
- Home Subscriber Server
- HTTP:
- Hypertext Transfer Protocol
I
- IARP:
- Inter-APN Routing Policy
- ICE:
- Interactive Connectivity Establishment
- IDA:
- Insert-Subscriber-Data-Answer
- IDR:
- Insert-Subscriber-Data-Request
- IEEE:
- Institute of Electrical and Electronics Engineers
- IFFT:
- Inverse Fast Fourier Transform
- IFOM:
- IP Flow Mobility
- IGMP:
- Internet Group Management Protocol
- IK:
- Integrity Key
- IKEv2:
- Internet Key Exchange version 2
- IMS:
- IP Multimedia Sub-system
- IMSI:
- International Mobile Subscriber Identity
- IP:
- Internet Protocol
- IPSec:
- IP Security
- IP-SM-GW:
- IP Short-Messaging Gateway
- ISMP:
- Inter-System Mobility Policy
- ISRP:
- Inter-System Routing Policy
L
- LAA:
- Licensed Assisted Access
- LAPI:
- Low Access Priority Indicator
- LBE:
- Load-Based Equipment
- LBT:
- Listen Before Talk
- LCID:
- Logical Channel Identifier
- LDPC:
- Low-Density Parity Check
- LLC:
- Low Latency Communication
- LLC:
- Logical Link Control
- LMA:
- Local Mobility Anchor
- LMAA:
- LMA Address
- LMD:
- Local Mobility Domain
- LTE:
- Long-Term Evolution
- LWA:
- LTE–Wi-Fi Aggregation
- LWAAP:
- LWA Adaptation Protocol
- LWIP:
- LTE/WLAN radio level integration with IPsec tunnel
- LWIPEP:
- LWIP Encapsulation Protocol
M
- MAA:
- Multimedia-Authentication-Answer
- MAC:
- Medium Access Control
- MAC:
- Message Authentication Code
- MAG:
- Mobile Access Gateway
- MAPCON:
- Multi-Access PDN Connectivity
- MAR:
- Multimedia-Authentication-Request
- MBB:
- Mobile Broadband
- MBMS GW:
- MBMS Gateway
- MBSFN:
- MBMS Single-Frequency Network
- MCC:
- Mobile Country Code
- MCCH:
- Multicast Control Channel
- MCE:
- Multi-cell/Multicast Coordination Entity
- MCG:
- Master Cell Group
- MCH:
- Multicast Channel
- MCL:
- Maximum Coupling Loss
- MCM:
- Multi-Connection Mode
- MCPTT:
- Mission Critical Push-to-Talk
- MCS:
- Modulation and Coding Scheme
- MEC:
- Mobile Edge Computing
- MeNB:
- Master eNB
- MIB:
- Master Information Block
- MIB-NB:
- MIB NarrowBand
- MIKEY:
- Multimedia Internet KEYing
- MIMO:
- Multiple Input Multiple Output
- MIP:
- Mobile IP
- MIP-RK:
- MIP Root Key
- MIPv4 FA:
- Mobile IP version 4 Foreign Agent
- MISO:
- Multiple Input Single Output
- MLP:
- Mobile Location Protocol
- MME:
- Mobility Management Entity
- MN:
- Mobile Node
- MNC:
- Mobile Network Code
- MO:
- Management Object
- MPDCCH:
- MTC PDCCH
- MRK:
- MBMS Request Key
- MSC:
- Mobile Switching Center
- MSK:
- Master Session Key
- MSK:
- MBMS Service Key
- MTC:
- Machine Type Communication
- MTCH:
- Multicast Traffic Channel
- MTK:
- MBMS Traffic Key
- MUK:
- MBMS User Key
- MU-MIMO:
- Multi-User MIMO
N
- NAI:
- Network Access Identifier
- NAPT:
- Network Address and Port Translation
- NAS:
- Non-Access Stratum
- NAT:
- Network Address Translation
- NB-IoT:
- NarrowBand Internet of Things
- NCCE:
- Narrowband Control Channel Element
- NFV:
- Network Function Virtualization
- NIA:
- NIDD-Information-Answer
- NIDD:
- Non-IP Data Delivery
- NIR:
- NIDD-Information-Request
- NPBCH:
- Narrowband PBCH
- NPDCCH:
- Narrowband PDCCH
- NPDSCH:
- Narrowband PDSCH
- NPRACH:
- Narrowband PRACH
- NPSS:
- Narrowband PSS
- NPUSCH:
- Narrowband PUSCH
- NRS:
- Narrowband Reference Signal
- NSA:
- Non-Standalone
- NSSS:
- Narrowband SSS
- NSWO:
- Non-Seamless WLAN Offload
O
- OCC:
- Orthogonal Covering Code
- ODA:
- MO-Data-Answer
- ODR:
- MO-Data-Request
- OFDM:
- Orthogonal Frequency-Division Multiplexing
- OFDMA:
- Orthogonal Frequency-Division Multiple Access
- OPI:
- Offload Preference Indication
- OTDOA:
- Observed Time Difference Of Arrival
P
- PBA:
- Proxy Binding Acknowledgment
- PBCH:
- Physical Broadcast Channel
- PBU:
- Proxy Binding Update
- PCCC:
- Parallel Concatenated Convolutional Code
- PCEF:
- Policy and Charging Enforcement Function
- PCFICH:
- Physical Control Format Indicator Channel
- PCI:
- Physical-layer Cell Identity
- PCRF:
- Policy and Charging Rules Function
- PDCCH:
- Physical Downlink Control Channel
- PDCP:
- Packet Data Convergence Protocol
- PDN:
- Packet Data Network
- PDSCH:
- Physical Downlink Shared Channel
- PFCP:
- Packet Forwarding Control Protocol
- PGW:
- PDN Gateway
- PGW-C:
- PGW Controller
- PGW-U:
- PGW User
- PHICH:
- Physical HARQ Indicator Channel
- PHR:
- Power HeadRoom
- PMCH:
- Physical Multicast Channel
- PMI:
- Precoder Matrix Indicator
- PMIPv6:
- Proxy Mobile IP version 6
- PMK:
- Pairwise Master Key
- PPA:
- Push-Profile-Answer
- PPR:
- Push-Profile-Request
- PRACH:
- Physical Random Access Channel
- PRB:
- Physical Resource Block
- ProSe:
- Proximity Service
- PRS:
- Positioning Reference Signal
- PS:
- Packet-Switched
- PSBCH:
- Physical Sidelink Broadcast Channel
- PSCCH:
- Physical Sidelink Control Channel
- PSDCH:
- Physical Sidelink Discovery Channel
- PSM:
- Power Saving Mode
- PSPL:
- Preferred Service Provider List
- PSS:
- Primary Synchronization Signal
- PSSCH:
- Physical Sidelink Shared Channel
- PSSS:
- Primary Sidelink Synchronization Signal
- PTRS:
- Phase Tracking Reference Signal
- PUCCH:
- Physical Uplink Control Channel
- PUSCH:
- Physical Uplink Shared Channel
Q
- QAM:
- Quadrature Amplitude Modulation
- QCI:
- QoS Class Identifier
- QFI:
- QoS Flow Identifier
- QoS:
- Quality of Service
- QPP:
- Quadratic Permutation Polynomial
- QPSK:
- Quadrature Phase-Shift Keying
R
- RAA:
- Re-Auth-Answer
- RAR:
- Re-Auth-Request
- RAR:
- Random Access Response
- RB:
- Resource Block
- RDN:
- Radio Distribution Network
- RF:
- Radio Frequency
- RI:
- Rank Indicator
- RIA:
- Reporting-Information-Answer
- RIR:
- Reporting-Information-Request
- RLC:
- Radio Link Control
- RN:
- Relay Node
- RNTI:
- Radio Network Temporary Identifier
- ROHC:
- Robust Header Compression
- RP:
- Resource Pool
- RRC:
- Radio Resource Control
- RRH:
- Remote Radio Head
- RS:
- Reference Signal
- RSRP:
- Reference Signal Received Power
- RSRQ:
- Reference Signal Received Quality
- RSSI:
- Received Signal Strength Indication
- RSU:
- Road Side Unit
- RTA:
- Registration-Termination-Answer
- RTP:
- Real-time Transport Protocol
- RTR:
- Registration-Termination-Request
- RU:
- Resource Unit
S
- SA:
- Security Association
- SA:
- Standalone
- SAA:
- Server-Assignment-Answer
- SAR:
- Server-Assignment-Request
- SBCCH:
- Sidelink Broadcast Control Channel
- SC:
- Sidelink Control
- SCEF:
- Service Capability Exposure Function
- SC-FDMA:
- Single-Carrier Frequency-Division Multiple Access
- SCG:
- Secondary Cell Group
- SCH:
- Sub-Channel
- SCI:
- Sidelink Control Information
- SCM:
- Single-Connection Mode
- SC-PTM:
- Single-Cell Point-To-Multipoint
- SCS:
- Services Capability Server
- SCTP:
- Stream Control Transmission Protocol
- SDAP:
- Service Data Adaptation Protocol
- SDF:
- Service Data Flow
- SDL:
- Supplementary Downlink
- SDN:
- Software-Defined Networking
- SDP:
- Session Description Protocol
- SeGW:
- Security Gateway
- SeNB:
- Secondary eNB
- SFBC:
- Space Frequency Block Coding
- SGW:
- Serving Gateway
- SGW-C:
- SGW Controller
- SGW-U:
- SGW User
- SIA:
- Subscriber-Information-Answer
- SIB:
- System Information Block
- SIMO:
- Single Input Multiple Output
- SIP:
- Session Initiation Protocol
- SIR:
- Subscriber-Information-Request
- SISO:
- Single Input Single Output
- SL:
- Sidelink
- SL-BCH:
- Sidelink Broadcast Channel
- SL-DCH:
- Sidelink Discovery Channel
- SLI:
- Sidelink Identifier
- SL-MIB:
- Sidelink Master Information Block
- SLP:
- SUPL Location Platform
- SL-SCH:
- Sidelink Shared Channel
- SLSS:
- Sidelink Synchronization Signal
- SMS:
- Short Message Service
- SMS-SC:
- SMS Service Center
- SPR:
- Subscription Profile Repository
- SR:
- Scheduling Request
- SRB:
- Signaling Radio Bearer
- SRS:
- Sounding Reference Signal
- SSID:
- Service Set Identifier
- SSS:
- Secondary Synchronization Signal
- SSSS:
- Secondary Sidelink Synchronization Signal
- STA:
- Session Termination Answer
- STCH:
- Sidelink Traffic Channel
- STR:
- Session Termination Request
- SUL:
- Supplementary Uplink
- SU-MIMO:
- Single-User MIMO
- SUPL:
- Secure User Plane Location
T
- TAI:
- Tracking Area Identity
- TBCC:
- Tail-Biting Convolutional Coding
- TC:
- Traffic Class
- TDA:
- MT-Data-Answer
- TDD:
- Time-Division Duplex
- TDMA:
- Time-Division Multiple Access
- TDR:
- MT-Data-Request
- TEID:
- Tunnel Endpoint Identifier
- TFT:
- Traffic Flow Template
- TM:
- Transparent Mode
- TMGI:
- Temporary Mobile Group Identity
- TRP:
- Time Repetition Pattern
- TSC:
- Transparent Single-Connection
- TTI:
- Transmission Time Interval
- TWAG:
- Trusted WLAN Access Gateway
- TWAN:
- Trusted WLAN Access Network
- TWAP:
- Trusted WLAN AAA Proxy
U
- UCI:
- Uplink Control Information
- UE:
- User Equipment
- UICC:
- Universal Integrated Circuit Card
- UL:
- Uplink
- UM:
- Unacknowledged Mode
- U-NII:
- Unlicensed National Information Infrastructure
- UP:
- User Plane
- UpPTS:
- Uplink Pilot Time Slot
V, W, X
- V2I:
- Vehicle to Infrastructure
- V2N:
- Vehicle to Network
- V2P:
- Vehicle to Pedestrian
- V2V:
- Vehicle to Vehicle
- V2X:
- Vehicle to everything
- VoLTE:
- Voice over LTE
- WCDMA:
- Wideband Code-Division Multiple Access
- WFA:
- Wi-Fi Alliance
- Wi-Fi:
- Wireless Fidelity
- WLAN:
- Wireless Local Area Network
- WLANSP:
- WLAN Selection Policy
- WLCP:
- WLAN Control Plane
- XML:
- Extensible Markup Language
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