The 3G4G Blog

Ralf Kreher explained EPS Fallback mechanism in his post earlier, which is still quite popular. This post contains couple of videos that al...

I recently participated in a webinar, discussing one of my favourite topics, 5G Standalone (5G SA). If you do not know about 5G SA, you may ...

One of the common questions that we encounter is why are 5G speeds so low as we were promised 5G downlink speeds of 20 Gbps. Most people do ...

I looked at IMS briefly in my LTE voice tutorial here . The Nokia Lectures covered IMS in-depth in part 5 of the video. I recently came acr...

Pentests or Penetration testing is ethical hacking that is an authorized simulated cyberattack on a computer system, performed to evaluate ...

Surely you have heard me talk about the benefits of 5G Standalone and why is it needed. At Telecoms Europe 5G 2021, Dr. Kim K Larsen, CTIO, ...

I have argued a few times now that it would make much more sense to be able to make access and core independent of each other. 3GPP 5G Stand...

Google announced that its latest smartphone OS will include support for 5G network slicing. Last week Telecom TV brought this news to my att...

In this video I explain how QoS Flows for VoNR are established and released especially on N2 reference point between 5G Core and NG RAN. The...

Cross posting from LinkedIn , please post any comments there! One of the advantages of having been in the industry for a very long time is o...

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

I wonder if you have seen as many adverts talking about the 5G revolution as I have. In fact I have collected many of them here . The proble...

You heard the news about Standalone (SA) 5G network(s)? T-Mobile USA announced this week that "T-Mobile is the first operator in the w...