The 3G4G Blog

Over the years we have looked at the standards development, infrastructure development and even country specific mission critical solutions ...

I have been asked about the UE Assistance Information  (UAI) RRC message a few times before. Generally I have always pointed people back to ...

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, ...

In another new whitepaper on 5G-Advanced , Nokia has detailed DCCA (DC + CA) features and enhancements from Rel-15 until Rel-18. The followi...

When we made our 5G Service Based Architecture (SBA) tutorial some four years back, it was based on Release-15 of the 3GPP standards. All N...

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...

I have been talking about unlicensed LTE since 2013. With all the debate around LTE-U and LAA now non-existent, the technology has evolved w...

Maritime Communication Services over 3GPP System is one of the topics listed in the 3GPP Release-16 summary that I summarised here . Maritim...

Someone reached out recently asking for a summary of Release 16 features. For people who are involved in standards, they already know of a f...

I have been meaning to write on this topic for a very long time. The discussion started back in 2016 when the limitations of GSM-R were obvi...

We have covered various topics in our blog posts on millimeter wave spectrum and even going beyond 52.6 GHz in FR2. A Qualcomm webinar from ...

We looked at the 5G Enhanced URLLC ( eURLLC ) earlier. One of the ways to improve reliability is to have redundancy in the user plane. This ...

I have written about the 5G positioning techniques not that long back on this blog here and on connectivity technology blog here . With Rel...

5G & Security are both big topics on this blog as well as on 3G4G website. We reached out to 3GPP 5G security by experts from wenovato...

We looked at Network Data Analytics Function, NWDAF, in detail here . While the 3GPP Release-16 work just starting back then, we have now co...