The 3G4G Blog

The second IEEE SA (Standards Association) Open RAN summit, hosted by the Johns Hopkins University Applied Physics Lab, took place on 9-10 A...

Telecom Infra Project's Fyuz 2022 conference took place in Madrid from 25 to 27 October 2022. It provided a unique experience by combini...

Artificial Intelligence and Machine Learning have moved on from just being buzzwords to bringing much needed optimization and intelligence i...

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...

Having been writing about Open RAN for a while , I thought it was important to make simple beginners tutorials for O-RAN. As my full time jo...

NR RRC signaling messages exchanged for establishing a 5G radio connection, in particular the NR RRC Reconfiguration and NR RRC CG Config me...

I have been meaning to write a post on RAN functional splits and even make a video. Recently I came across multiple of these things so I am ...

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 ...

The Small Cell Forum (SCF) announced the publication of documents focused on stimulating a competitive ecosystem for vendors of 5G-era s...

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 ...

My Open RAN tutorial has recently gained popularity with recent announcements from Altiostar, Mavenir, Parallel Wireless, Telefonica an...

I was involved in helping organise yet another CW TEC conference this year. The topic was quite interesting and we had some brilliant spe...

I made a short tutorial based on my understanding of Open RAN, Virtualised RAN and WhiteBox RAN. Slides and video embedded below. ...