The 3G4G Blog

Back in 2012, we were talking about migration from HLR to HSS . Now we are discussing how to interface HSS to the UDM (Unified Data Managem...

Every time a new generation of mobile technology is being rolled out, there are scare stories about the radiation, cancer, etc. I last w...

I was listening to Elisa couple of weeks back, at 5G World Summit. One of the things that surprised me was that Elisa offered unlimited ...

Phil Sheppard, Director of Network Strategy & Architecture, Three UK was the keynote speaker of LTE Voice Summit held in London this...

I have been covering the LTE Voice Summit for last couple of years (see here: 2015 & 2014 ) but this year I wont be around unfortunate...

Came across this presentation by Eir from last year's LTE Voice Summit . VoWLAN: Call Quality from 3G4G As the summary of t...

5G is often seen as a panacea for everything that is imperfect in mobile technology. Any issues with coverage, capacity, connectivity and s...

3GPP is on track for 5G as per a news item on the 3GPP website. In 5G World in London in June, Erik Guttman, 3GPP TSG SA Chairman, and C...

I came across this simple Introduction to Antenna Design videos that many will find useful (including myself) for the basics of Antenna....

There were quite a few interesting presentations in the recently concluded 5G World conference. One that caught my attention was this pre...

Last year's summary of the LTE voice summit was very much appreciated so I have created one this year too. The status of VoLTE can...

There was an interesting discussion on different roaming scenarios in the LTE Voice Summit on 29th, 30th Sep. in London. The above pictu...

When I did my 5G presentation back in Feb., I explained about Ultra Dense Networks (UDN) that will be a main feature of future traffic ho...

Back in December last year, there was a flurry of news about SS7 security flaw that allowed hackers to snoop on an unsuspecting users call...

Sometime back I was reading this interview between Martin Geddes and Peter Clemons on 'The Crisis in UK Critical Communications'. I...

VoWiFi is certainly a hot topic, thanks to the support of VoWiFi on iPhone 6. A presentation from LTE World Summit 2014 by Taqua on this t...

Below is a presentation from Christian Toche, 3GPP SA5 chairman in the SON Conference last month. I also blogged about his presentation l...

On 4th Nov. 2009, the One Voice initiative was published by 12 companies including AT&T, Orange, Telefonica, TeliaSonera, Verizon, ...

This one is from the LTE World Summit 2014. Even though I was not there for this, I think this has some useful information about the 4G/L...

Codecs play an important role in our smartphones. Not only are they necessary and must for encoding/decoding the voice packets but they inc...