The 3G4G Blog

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 items in 3GPP Rel-14 is Control and User Plane Separation of EPC nodes (CUPS). I have made a video explaining this concept t...

Back in September, 3GPP reached a decision to standardise NarrowBand IOT (NB-IOT). Now people familiar with the evolution of LTE-A UE ca...

4G Americas has published a detailed whitepaper on Carrier Aggregation (CA). Its a very good detailed document for anyone wishing to stud...

Its been a while since we saw any new UE categories coming but then I noticed some new categories came earlier this year for Release-11. Th...

In the last post where I talked about FeICIC I mentioned about the advanced Interference rejecting receivers, here is one very good ar...

Recently while delivering a training, I realised that this is a topic that I haven't covered in the blog before, even though I have ...

Came across Qualcomm's HSPA+ Carrier aggregation video (above) and whitepaper. Interesting to see that HSPA/HSPA+ is still grow...

A recent GSMA report suggests that China will be a significant player in the field of 4G with upto 900 million 4G users by 2020. This is...

Voice over LTE or VoLTE has many problems to solve. One of the issues that did not have a clear solution initially was Roaming. iBasis h...

Single Radio Voice Call Continuity (SRVCC) has been quietly evolving with the different 3GPP releases. Here is a quick summary of these...

NTT Docomo recently published a new article (embedded below) on congestion control approaches for M2M. In their own words: Since 3GPP ...

A quick summary from 3GPP about the Release-12 progress (Jun. 2014 release planned) from the recent ETSI Future Mobile Summit . Present...

Access Network Discovery and Selection Function (ANDSF) is still evolving and with the introduction of Hotspot 2.0 (HS 2), there is a go...

Very timely of 4G Americas to release a whitepaper on SON, considering that the SON conference just got over last week . This whitepaper...

I was talking about push to share back in 2007 here . Now, in a recent presentation (embedded below) from ALU, eMBMS has been suggested ...

I have blogged about about IDC here and here . If the eNB is interested in knowing if the device is having an interference issue it can...

Another excellent summary whitepaper by R&S, embedded below: LTE- Advanced (3GPP Rel.11) Technology Introduction from Zahi...

Public Safety is still a hot topic in the standards discussion and on this blog as well. Two recent posts containing presentations have ...

One of the changes being worked on and is already available in Release-11 is the Band 29. Band 29 is a special FDD band which only has a d...