| 5GC | 5G Core Network |
| ACK | Acknowledgment |
| AI | Artificial Intelligence |
| AM | ARQ Acknowledged Mode |
| API | Application Programming Interface |
| ARFCN | Absolute Radio Frequency Channel Number |
| ARQ | Automatic Repeat on Request |
| AR/VR | Augmented/Virtual Reality |
| ATSC | Advanced Television Systems Committee |
| AWGN | Average White Gaussian Noise |
| BCCH | Broadcast Control Channel |
| BCH | Broadcast Channel |
| BER | Bit Error Rate |
| BLER | Block Error Rate |
| BPSK | Binary Phase Shift Keying |
| BS | Base Station |
| BSS | Business Support System |
| BWP | Bandwidth Part |
| CCA | Channel Clear Assessment |
| CCCH | Common Control Channel |
| CCE | Control Channel Element |
| CDMA | Code Division Multiple Access |
| CFI | Control Format Indocator |
| CIoT | Cellular IoT |
| CoMP | Coordinated Multi-Point |
| CP | Cyclic Prefix |
| CQI | Channel Quality Indicator |
| CRA | Central Registration Authority |
| CRB | Common Resource Block |
| CRC | Cyclic Redundancy Code |
| CSI | Channel State Information |
| CSS | Chirp Spread Spectrum |
| CU | Central Unit |
| D2D | Device to Device |
| DBPSK | Differential Binary Phase Shift Keying |
| DCCH | Dedicated Control Channel |
| DCI | Downlink Control Information |
| DL | Downlink |
| DL-SCH | Downlink Shared Channel |
| DMRS | Demodulation Reference Signal |
| DRX | Discontinuous Reception |
| DSL | Digital Subscriber Line |
| DTCH | Dedicated Traffic Channel |
| DU | Distributed Unit |
| DVB | Digital Video Broadcasting |
| EC-GSM | Extended Coverage GSM |
| EM | Electromagnetic |
| eNB | eNode-B |
| EPC | Evolved Packet Core |
| ERP | Effective Radiated Power |
| E-UTRAN | Evolved UTRAN |
| FDD | Frequency Division Duplex |
| FDPS | Frequency Dependent Packet Scheduling |
| FFT | Fast Fourier Transform |
| GPS | Global Positioning System |
| GSCN | Global Synchronization Channel Number |
| GSM | Groupe Spécial Mobile |
| HARQ | Hybrid Automatic Repeat on Request |
| HI | HARQ Indicator |
| HSDPA | High Speed Downlink Packet Access |
| HSPA | High Speed Packet Access |
| HSPA | High Speed Uplink Packet Access |
| ICI | Inter-Carrier Interference |
| IFFT | Inverse Fast Fourier Transform |
| IIoT | Industrial IoT |
| IMT | International Mobile Telecommunications |
| IoT | Internet of Things |
| IR | Incremental Redundancy |
| ISI | Inter-Symbol Interference |
| ISM | Industrial Scientific Medical |
| LAA | Licensed Assisted Access |
| LBT | Listen Before Talk |
| LDPC | Low Density Parity Check |
| LOS | Line of Sight |
| LPWAN | Low Power Wide Area Network |
| LTE | Long Term Evolution |
| LTN | Low Throughput Network |
| MAC | Medium Access Control |
| MBB | Mobile Broadband |
| MBMS | Multimedia Broadcast Multicast Service |
| MIB | Master Information Block |
| MIMO | Multiple Input Multiple Output |
| ML | Machine Learning |
| MME | Mobility Management Entity |
| mmW | Millimeter Waves |
| MTC | Machine-Type Communications |
| MU-MIMO | Multi-User MIMO |
| NACK | Negative Acknowledgment |
| NAS | Non Access Stratum |
| NB-IoT | Narrow Band IoT |
| NB | Node-B |
| NLOS | Non Line of Sight |
| NPBCH | Narrowband Physical Broadcast Channel |
| NPDCCH | Narrowband Physical Downlink Control Channel |
| NPDSCH | Narrowband Physical Downlink Shared Channel |
| NPRACH | Narrowband Physical Random Access Channel |
| NPSS | Narrowband Primary Synchronization Signal |
| NPSS | Narrowband Secondary Synchronization Signal |
| NPUSCH | narrowband Physical Uplink Shared Channel |
| NR | New Radio |
| NRS | Narrowband Reference Signal |
| NSA | Non Stand Alone |
| OFDMA | Orthogonal Frequency Division Multiple Access |
| OFDM | Orthogonal Frequency Division Multiplex |
| OSS | Operation Support System |
| PAPR | Peak to Average Power Ratio |
| PBCH | Physical Broadcast Channel |
| PCCH | Paging Control Channel |
| PCFICH | Physical Control Format Indicator Channel |
| PCH | Paging Channel |
| PCI | Physical Cell Identifier |
| PDCCH | Physical Downlink Control Channel |
| PDCP | Packet Data Convergence Protocol |
| PDSCH | Physical Downlink Shared Channel |
| PDU | Protocol Data Unit |
| PGW | packet Gateway |
| PHICH | Physical Hybrid ARQ Indicator Channel |
| PMI | Precoding Matrix Indicator |
| PMR | Professional Mobile Radio |
| PRACH | Physical Random Access Channel |
| PRB | Physical Resource Block |
| PSK | Phase Shift Keying |
| PSM | Power Saving Mode |
| PSS | Primary Synchronization Signal |
| PTRS | Phase Tracking Reference Signal |
| PUCCH | Physical Uplink Control Channel |
| PUSCH | Physical Uplink Shared Channel |
| QAM | Qadrature Amplitude Modulation |
| QoS | Quality of Service |
| QPSK | Quadrature Phase Shift Keying |
| RACH | Random Access Channel |
| RAN | Radio Access Network |
| RAR | Random Access Response |
| RAT | Radio Access Technology |
| RB | Resource Block |
| REG | Resource Element Group |
| RE | Resource Element |
| R-FDMA | Random Frequency Division Multiple Access |
| RFID | Radio Frequency Identification |
| RI | Rank Indicator |
| RLC | Radio Link Control |
| RNC | Radio Network Controller |
| RNTI | Radio Network Temporary Identifier |
| ROHC | Robust Header Compression |
| RRC | Radio Resource Control |
| RS | Reference Signal |
| RU | Resource Unit |
| SA | Stand Alone |
| SCEF | Service Capability Exposure Function |
| SC-FDMA | Single Carrier Frequency Division Multiple Access |
| SCS | Subcarrier Spacing |
| SDAP | Service Data Adaptation Protocol |
| SDU | Service Data Unit |
| SFBC | Space-Time Block Code |
| SGW | Serving Gateway |
| SIB | System Information Block |
| SISO | Single Input Single Output |
| SNR | Signal to Noise Ratio |
| SON | Self-Organized Networks |
| SRS | Sounding Reference Signal |
| SSB | Synchronization Signal Block |
| SSS | Secondary Synchronization Signal |
| TA | Timing Advance |
| TCP | Transport Control Protocol |
| TCXO | Temperature Compensated Crystal Oscillator |
| TDD | Time Division Duplex |
| TM | ARQ Transparent Mode |
| TM | Transmission Mode |
| TTI | Transmission Time Interval |
| UCI | Uplink Control Information |
| UE | User Equipment |
| UL-SCH | Uplink Shared Channe |
| UL-SCH | Uplink Shared Channel |
| UL | Uplink |
| UM | ARQ Unacknowledged Mode |
| UMTS | Universal Mobile Telecommunications System |
| UNB | Ultra Narrow Band |
| UPF | User Plane Function |
| URLLC | Ultra Reliable Low Latency Communications |
| UTRAN | UMTS Terrestrial Radio Access Network |
| V2X | Vehicle to Everything |
| WCDMA | Wideband Code Division Multiple Access |