How Non Access Stratum procedures works in LTE

The procedures for the Non Access Stratum, especially power management procedures are substantially similar to UMTS. Main change is that the UMTS EPS allows concatenation certain procedures to allow faster…

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…

LTE – eNodeB, MME and SAE Function in Short

Here I write in short about eNodeB functions, Mobile Management Entity (MME) functions and System Architecture Evolution (SAE) functions. LTE – eNodeB functions The eNodeB performs the following functions in…

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