Home > Communication Service Provider Solutions > Enabling Telecom Transformation > RAN Pooling - The case for RAN pooling with Cloud/Virtualized RAN > Terminology
The following table provides definitions for some of the terms that are used in this document.
Term | Definition |
2G | Second Generation (GSM) |
3G | Third Generation (UMTS) |
4G | Fourth Generation (LTE) |
5G | Fifth Generation (NR) |
AGV | Automated Guided Vehicle |
AI/ML | Artificial Intelligence/Machine Learning |
AMR | Automated Mobile Robot |
ASIC | Application Specific Integrated Circuit |
BBU | Baseband Unit |
BW | Bandwidth |
CapEx | Capital Expenditure |
CI/CD | Continuous Integration and Continuous Delivery |
CoMP | Coordinated Multipoint |
COTS | Commercial Off The Shelf |
CPRI | Common Public Radio Interface |
C-RAN | Cloud RAN |
CSP | Communications Service Provider |
CU | Centralized Unit |
CU-CP | Centralized Unit - Control Plane |
CU-UP | Centralized Unit - User Plane |
CUPS | Control and User Plane Separation |
D-RAN | Distributed RAN |
DU | Distributed Unit |
E2E | End to End |
F1-C | Control plane interface connecting a CU and a DU of a gNodeB |
FF | First Fit [bin packing] |
FFD | First Fit Decreasing [bin packing] |
Gbps | Gigabits per second |
gNodeB | 5G base station node |
GSMA | Global System for Mobile communications Association |
LLS | Lower Layer Split |
NES | Network Energy Saving |
NF | Network Function |
NF | Next Fit [bin packing] |
NG | Next Generation (5G) |
OpEx | Operational Expenditure |
O-RAN | Open Radio Access Network |
PRB | Physical Resource Block |
RAN | Radio Access Network |
RF | Radio Frequency |
RRC | Radio Resource Control (Layer 3) |
RU | Radio Unit |
SDN | Software Defined Networking |
SMG | Statistical Multiplexing Gains |
TCO | Total Cost of Ownership |
UE | User Equipment |
vCU | virtualized Centralized Unit |
vCU-CP | virtualized Centralized Unit - Control Plane |
vCU-UP | virtualized Centralized Unit - User Plane |
vDU | virtualized Distributed Unit |
Xn | Network interface connecting NG RAN nodes |