At the recent CES a number of companies seem to have shown the first CDMA/LTE smartphones to be launched at some point later in the year. From a telecoms point of view the interesting thing is how these phones will do voice calls while connected to an LTE network. The issue here is that LTE … Continue reading LTE Smartphones At CES – The Way Forward?
In some countries there's fierce competition between network operators, and the media is anually reporting about the performance of the networks. To come up with meaningful values, they perform yearly drive tests on their own in cooperation with field test companies. Reported values are then for example call setup success rates, call setup times, call … Continue reading Call Setup Time Competition and LTE
One of the biggest assets mobile network operators have is the ability to handover voice calls seamlessly between different radio access technologies. If the calls starts in a UMTS network and the user leaves the coverage area of the 3G network, the call is handed over to the GSM network without the user noticing it. … Continue reading Reverse SR-VCC
A couple of days ago I wrote the "LTE Voice Takes a Break" post musing on the fact that for some time there hasn't been a lot of news on any of the proposed voice over LTE solutions, potentially because everyone is waiting for devices with which they can demonstrate their solution. But it seems … Continue reading LTE Voice Takes A Break From the Break
Inspired by this post over at the 3G4G wireless blog on VoLGA and VoLTE architecture differences, I reflected a bit on why it has become a bit silent around LTE voice recently. From a VoLGA point of view, maybe it is because there is little more it can prove until the time real LTE mobile … Continue reading LTE Voice Takes A Break…