The 3G4G Blog

Not sure if you have heard about some kind of Beacons that will be used to guide us everywhere. There are Bluetooth Beeacons, iBeacon, P...

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...

Recently attended the Cambridge Wireless Inaugural Wireless Heritage SIG event, “100 years of radio”. Some very interesting presentations...

There were quite a few interesting talks in the Cambridge Wireless Radio Technology SIG event last week. The ones that caught my attent...

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...