Logical Channels

Logical Channels:

? Service provided by MAC to higher layers.

? Defined “what type” of data is transferred.

? Control Channels:

– Broadcast Control Channel (BCCH) (DL)

– Paging Control Channel (PCCH) (DL)

– Dedicated Control Channel (DCCH) (UL&DL): a point-to-point bidirectional channel that transmits dedicated control information between a UE and the network. Established during RRC connection establishment procedure.

– Common Control Channel (CCCH) (UL&DL): a bidirectional channel for transmitting control information between a UE and the network.

? Traffic Channels:

– Dedicated Traffic Channels (DTCH) (UL&DL)

– Common Traffic Channels (CTCH) (DL)