notesum.ai
Published at November 276G Takes Shape
cs.IT
math.IT
Released Date: November 27, 2024
Authors: Jeffrey G. Andrews, Todd E. Humphreys, Tingfang Ji
| Abbreviation | Definition | Meaning/Examples |
|---|---|---|
| AI/ML | Artificial Intelligence/Machine Learning | Broad terms, including Deep learning, DNN, RL |
| AMC | Adaptive Modulation and Coding | Change data rate based on SINR |
| AR | Augmented Reality | Overlaying digital content onto real-world environments |
| BS | Base Station | Includes antennas, RF, baseband to at least Layer 2 |
| CSI | Channel State Information | Information on current wireless channel conditions |
| D2C | Direct-to-Cellular | Broadband service directly between satellites and cellphones |
| DL:UL | Downlink:Uplink | BS to UE: UE to BS |
| DNN | Deep Neural Network | A trainable NN with at least 3 layers |
| eMMB | Enhanced Mobile Broadband | High rate best effort data in 5G |
| FWA | Fixed Wireless Access | Broadband to the home via 5G/6G |
| HAPS | High Altitude Platform Stations | Communication platform at 18-25 km altitude |
| IoT | Internet of Things | Any automated device connected to the Internet |
| JCAS | Joint Communication and Sensing | Using a single radio to sense or localize as well as communicate |
| KPI | Key Performance Indicator | Data rate, latency, reliability, etc. |
| LEO | Low-Earth Orbit | Earth-centered orbit with an altitude of 2000 km or less |
| MAC | Medium Access Control Layer | Layer 2: Resource Allocation, Scheduling, Retransmissions |
| MNO | Mobile Network Operator | Cellular operator with mobile data plans |
| MSS | Mobile Satellite Service | Satellite communication for mobile devices and users |
| MTC | Machine Type Communications | Communication between devices without human intervention |
| OFDM | Orthogonal Frequency Division Multiplexing | Becomes OFDMA at Layer 2 |
| O-RAN | Open Radio Access Network | See Sec. V-D |
| PHY | Physical Layer, Layer 1 | Baseband signal processing operations |
| RIS | Reflective Intelligent Surfaces | A surface optimizing wireless signal transmission |
| RL | Reinforcement Learning | Important subclass of online AI/ML |
| SCS | Supplemental Coverage from Space | Satellites extending mobile network coverage to remote areas |
| SINR | Signal to Interference plus Noise Ratio | Signal quality |
| XR | Extended Reality | Headset capable of Augmented and/or Virtual Reality |
| NTN | Non Terrestrial Network | Satellites, Drones, Blimps |
| UE | User Equipment | Mobile XR device, smartphones |
| URLLC | Ultra reliable low latency communication | “Mission Critical” services with strict real-time requirements |