The 3G4G Blog

Energy efficiency has become one of the most important topics in mobile networks. Operators need to support growing traffic, wider bandwidth...

Back in 2022, I wrote about the transition from the original eCall system to Next Generation eCall, or NG eCall. At the time, one of the bi...

Anyone who travels regularly by train will recognise the experience. The phone shows a mobile signal, sometimes even 5G, but webpages refuse...

3GPP Release 19 continues the evolution of 5G-Advanced and, among many other areas, brings important enhancements for satellite access, Non...

The Citizens Broadband Radio Service, better known as CBRS, has often been described as an experiment in spectrum sharing. Based on the late...

Cybersecurity conversations in telecoms often focus on IT systems, cloud platforms and enterprise networks. Yet beyond the data centres and ...

AI has become so deeply embedded in our everyday working lives that it is no longer limited to data science teams or research labs. In telec...

Telecom security rarely stands still. Each year brings new technologies, new attack paths, and new operational realities. Yet 2025 was not d...

Point to point microwave radio systems have been with us for more than eighty years, yet they rarely attract much attention in an era where ...

Our industry loves acronyms. In fact, sometimes it feels as if half our job is simply keeping up with them, while the other half is explaini...