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LTE Medium Access Control (MAC) Protocol Overview

By agaur on September 23, 2012
LTE MAC Protocol

LTE Medium Access Control (MAC) is a layer 2 protocol and provides data transfer and radio resource allocation services to upper layers. It performs scheduling of the data according to priorities, and multiplexing data to physical layer transport blocks.  RRC  layer controls  configuration of MAC sublayer. In E-UTRA, there are two MAC entities, one in the UE and other one in the eNB.

What all new protocols 3GPP Long Term Evolution (LTE) technology brings in?

By agaur on September 1, 2012

With Release 8, 3GPP has introduced a whole new set of protocols as both radio access network and core network have evolved from the earlier 2G & 3G Networks. In LTE architecture, evolved core network includes Mobility Management Entity (MME), Serving Gateway  (SGW), Packet Data Network Gateway (PDN GW) where as evolved radio network has only E-UTRAN NodeB (eNB).

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