Tag Archives: rnti

Handover Process in LTE

The source eNB issues a HANDOVER REQUEST message to the target eNB passing the necessary information to prepare the HO on target side (UE X2 signaling context reference at source

Random Access Procedure in LTE

When the UE has obtained system information, it has to request an RRCconnection. Like it has no dedicated resources, the UE requests the connection using the Random Access Procedure using

How DL Channel works in LTE?

The PDCCH, Physical Downlink Control Channel, allocates the DL and UL resources. There is one PDCCH per sub-frame.   It helps the UE retrieve the transport blocks from the PDSCH:

Non-contention vs Contention Access procedure in LTE

Random access procedure is performed for the following five events: • Initial access from RRC_IDLE; • RRC Connection Re-establishment procedure; • Handover; • DL data arrival during RRC_CONNECTED requiring random