Ever wondered why your phone falls back from LTE to 3G when making a voice call. This…
Excellent video describing the Evolved Packet Core used in LTE networks. The video describes the roles played by the major LTE components:
Get an overview of the LTE MAC layer from this presentation:
The PDCP layer in LTE performs the following functions:
The Radio Link Control Layer in LTE provides a reliable message service over the unreliable radio link.
Get an overview of the LTE RLC layer from this presentation:
Presentation describing LTE attach and default bearer setup messaging.
Establishing an RRC connection in LTE typically involves the following steps:
This call flow describes the signaling involved in LTE attach and default bearer setup…
The LTE Visualization Tool shows the organization of LTE channels in a subcarrier-symbol grid.
@RohdeSchwarz presentations provide an excellent introduction to LTE. The presentations are accompanied by…
Let’s examine the X2 Handover in detail. We look at the X2 handover signaling procedure through…
OFDM and SC-FDMA video lectures cover OFDM and SC-FDMA is great detail. The following topics are covered:
LTE networks prefer using the X2 interface for performing inter eNodeB handovers. An S1 handover is a…
Voice over LTE (VoLTE) is the standard for voice call setup in LTE networks. When VoLTE is…
With AES-128 based encryption, LTE is the most secure radio access technology to date. Even though the data…
LTE Tracking Area Update signaling flow describes how mobiles keep the network updated…
Here we look at the S1 handover that involves an MME change. The S1 handover is…
We cover the sequence of interactions when an eNodeB starts up. The full setup procedure can be divided…
