The 3G4G Blog

I am sure we all know that LTE bands have been growing, every few months. All the 32 bands for FDD have now been defined. The 33rd band is...

Based on the success of the recent posts on eMBMS, here and here , this final post on this topic is a look at physical layer perspective ...

Here is another presentation from Qualcomm from the '4G World'. CSFB Performance from Zahid Ghadialy With regards to S...

The following is a presentation by 3GPP on Self-Organising Networks in the SON Conference 2012: 3GPP Standards Self Organizing Netwo...

From the 4G Americas white paper .

The following is from NTT Docomo Technical journal :  Three types of radio relay technologies and their respective advantages and disa...

4G Americas has recently released a whitepaper entitled, "Delivering voice over HSPA". This paper describes the technological f...

While in the initial testing CSFB timing used to be between 6-8 seconds, most Rel-8 phones can complete the CSFB procedure between 4-4.5 sec...

Some forecasts put HSPA at over 3.5 billion subscribers by the end of 2016. Operators with HSPA and LTE infrastructure and users with HSPA a...

The following is from 3GPP TS 23.401, Annex J: General description of the ISR concept Idle state Signalling Reduction (or ISR) aims at reduc...

I came across couple of presentations from International Conference on Localization and GNSS , held in Tampere, Finland, June 29-30, 2011 Th...

The following is edited from the 3GPP documents: IP is being introduced in both fixed and mobile networks as a more cost-effective alternati...

I had earlier put up some MIMO presentations that were too technical heavy so this one is less heavy and more figures. The following is ...

From NTT Docomo Technical Journal: CoMP is a technology which sends and receives signals from multiple sectors or cells to a given UE. By co...

Its been couple of years since the introductory post on 3GPP Earthquake and Tsunami Warning service (ETWS). The following is more detailed ...