3GPP LTE Channels and MAC LAYER.ppt

3GPP LTE Channels and MACLayer

Media Access Control Layer The Media Access Control Layer is

one of two sub layers that make up the Data Link Layer of the OSI model. The MAC layer is responsible for moving data packets to and from one Network Interface Card (NIC) to another across a shared channel

LTE MAC Layer Functions

MAC in the LTE ProtocolStack

LTE Channel Architecture

LTE Downlink Channels

LTE Downlink LogicalChannels 1

LTE Downlink LogicalChannels 2

LTE Downlink TransportChannels 1

LTE Downlink TransportChannels 2

LTE Downlink PhysicalChannels 1

LTE Downlink PhysicalChannels 2

LTE Uplink Channels

LTE Uplink Logical Channels

LTE Uplink TransportChannels

LTE Uplink PhysicalChannels

Random Access Procedure

Data Transfer DL

Data Transfer UL

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