The 3G4G Blog

When we made our little Open RAN explainer , couple of years back, we never imagined this day when so many people in the industry will be ta...

Couple of years back, just before MWC 2019, we made what I would like to think of as the first proper explanation of Open RAN. I posted it o...

This will be the last part of my series about Virtual/Open RAN signaling procedures. In this final post (although not the last one on this ...

In previous blog posts I have discussed intra-gNB-DU handover and inter-gNB-DU handover scenarios.Now it is time to look at inter-gNB-CU...

My last blog post discussed the intra-gNB-DU handover . Now it is time to look at inter-gNB-DU handover. This means: the target cell is loc...

In the previous posts of this series I described O-RAN interfaces and protocols , connection establishment and connection release procedur...

The 3rd post of this series introduces the details of connection release in the 5G RAN. Indeed, we find most of the release causes known ...

In the first blog post of this series the different virtual RAN functions, interfaces and protocols have been discussed. Now it is time to...

Although it is understood in general that virtualization and increasing complexity are inherent characteristics of 5G networks many people ...