30/08/2022
What is OpenRAN, DRAN, cRAN and vRAN ?
1- D-RAN stands for “ ”
D-RAN is a classical setup where (Remote Radio Unit) and ( ) are co-located at every cell site. They run proprietary applications on specialized hardware.
2- C-RAN (Also ) stands for RAN or RAN.
In C-RAN the from several sites are grouped into a pool and located in one location. This leads to more efficient use of computing resources.
3- vRAN called also RAN or RAN
vRAN decouples the software from hardware by virtualizing Network Functions. It uses virtual machines ( approach) or containers (CNF approach) to deploy and on top of servers.
4- Then finally
The O-RAN alliance made a great job creating a specification for open fronthaul, mid-haul and backhaul interfaces.
This means that finally you can mix and match different vendors, and use different approaches without vendor lock-in.