The 3G4G Blog

When people talk about mobile networks, the conversation almost always starts with the air interface. Spectrum, waveforms, MIMO, antennas an...

Some of you may know that I manage quite a few LinkedIn groups, and I often come across advanced presentations and videos on LTE and 5G. Fro...

Location Services (LCS) have been standardized by 3GPP across all major generations of cellular technology, including 2G (GSM), 3G (UMTS), 4...

Over the years we have looked at the standards development, infrastructure development and even country specific mission critical solutions ...

I have been asked about the UE Assistance Information  (UAI) RRC message a few times before. Generally I have always pointed people back to ...

Ralf Kreher explained EPS Fallback mechanism in his post earlier, which is still quite popular. This post contains couple of videos that al...

Since the industry realised how the 5G Network Architecture will look like, Network Slicing has been touted as the killer business case that...

I looked at IMS briefly in my LTE voice tutorial here . The Nokia Lectures covered IMS in-depth in part 5 of the video. I recently came acr...

Google announced that its latest smartphone OS will include support for 5G network slicing. Last week Telecom TV brought this news to my att...

We looked at the 5G Enhanced URLLC ( eURLLC ) earlier. One of the ways to improve reliability is to have redundancy in the user plane. This ...

Earlier this year, MediaTek had announced that its MT2625 NB-IoT chip has been validated for LwM2M over NIDD on SoftBank Corp.’s cellular n...

One of the interesting features of 5G is Ultra-Reliability and Low-Latency Communication or URLLC. It has been enhanced as part of 3GPP Rele...

GSMA recently published updated " 5G Implementation Guidelines: SA Option 2 ". It explains the two types of SMS in 5G, the sam...