| NB-IoT | Narrowband Internet of Things |
| EE | Energy Efficiency |
| 3GPP | Third generation partnership |
| mMTC | Massive machine type communications |
| RU | Resource Unit |
| LTE | Long-Term Evolution |
| SC | Subcarrier |
| NP | NPDCCH period |
| MCS | Modulation and coding scheme |
| QoS | Quality of service |
| BLER | Block error rate |
| SC-FDMA | Single carrier frequency-division multiple access |
| TS | Time slot |
| SNR | Signal-to-noise ratio |
| NPUSCH | Narrowband physical uplink shared channel |
| NPDCCH | Narrowband physical downlink control channel |
| NPDSCH | Narrowband physical downlink shared channel |
| NPRACH | Narrowband physical random access channel |
| NPBCH | Narrowband physical broadcast channel |
| NPSS | Narrowband primary synchronization signal |
| NSSS | Narrowband secondary synchronization signal |
| DCI | Downlink control information |
| RA | Random access |
| BS | Base station |
| TBS | Transport block size |