The 3G4G Blog

The Global mobile Suppliers Association (GSA) recently released its "Regional Spotlight Africa – October 2024" report. It tracks ...

It's been a while since we created our security tutorial , back in 2018. One of the items we discussed in there were the fake cell tower...

In the GSA 4G/5G FWA Forum Plenary back in June, GSA identified announced service offers using LTE or 5G from 554 operators in 187 countrie...

At DEF CON 31 last year, Tracy Mosley, Vulnerability Researcher at Trenchant presented a talk titled "Nothin’ but a G Thang - The Evol...

I am fascinated by and have previously written blog posts about transparent antennas. Back in 2019 NTT Docomo announced that they have been...

Lorenzo Casaccia, Vice President of Technical Standards, IP Qualcomm Europe, Inc. has been with Qualcomm since 2000. During that time he'...

Private Networks has been a hot topic for a while now. We made a technical introductory video which has over 13K views while its slides hav...

We recently made a beginners tutorial explaining the need for The 3rd Generation Partnership Project (3GPP), its working, structure and prov...

One of the features that was introduced part of 5G NR 3GPP Release 17 is known as Small Data Transmission (SDT). When small amount of data, ...

I wrote a blog post on this topic nearly three years back on the Operator Watch Blog here . That post is very handy as every few months some...

One way all operators in a country/region/geographic area differentiate amongst themselves is by the reach of their network. It's not in...

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

Over the last few months I have discussed the role of 5G in different industries as part of various projects. Some of these discussions are ...

I looked at Control and User Plane Separation (CUPS) in a tutorial, nearly five years back here . Since then most focus has been on 5G, not ...

Multi-band cells became very popular in modern RAN environment and beside many benefits they also come with some challenges for performance ...

People involved with mobile technology know the challenges with uplink for any generation of mobile network. With increasing data rates in 4...

You have probably heard me a complaining about the pace of VoLTE rollout, 2G/3G shutdowns, 4G Voice roaming, etc. This post highlights all t...