The 3G4G Blog

I had been having some discussions regarding Multi-SIM phones and there is a bit of misunderstanding so here is my clarification about t...

Its no surprise that GSMA has started working on Embedded SIM specifications . With M2M getting more popular every day, it would make se...

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

Here is the 3GPP presentation from the 9th ETSI Security workshop . Quite a few bits on IMS and IMS Services and also good to see new Au...

What a change 2 years can make. The last time I was in India, people were reluctant to use data, smartphones were far and few and even thos...

I recently wrote a blog post for the Cisco SP Mobility blog on why the Cellular Broadcast may fail again (complete article embedded below)...

Interesting presentation by Chetan Sharma listing what we can expect in 2014. Slide 9 as shown in the picture above highlights the brea...

I did a presentation in the Cambridge Wireless Future technology SIG about what we call 'Smart Batteries'. The presentation is ...

Here is a list of most popular blog posts from 2013. In descending order: VoLTE Bearers C-RAN Architecture and Challenges What is ...

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