LOGICAL CHANNEL CONTROL

BCCH Broad Cast Control Channel Broad cast System and Cell vide information PCCH Paging Control Channel Carries paging information DCCH Dedicated Control Channel Carries signaling information to particular UE CCCH Common Control Channel Carries UE specific signaling before DCCH

SHCCH Shared Channel Control Channel Carries signaling information to a group of UE

TRAFFIC

DTCH Dedicated Traffic Channel Carry traffic for one user

CTCH Common Traffic Channel Carry traffic for multiple user

LOGICAL CHANNEL TRANSPORT CHANNEL CONTROL UPLINK

Broad cast System and Cell vide information DCH Dedicated Channel Dedicate for a user for UL transmission Carries paging information CPCH Common Packet Channel Shared by UE to send user traffic

Carries signaling information to particular UE RACH Random Access Channel Carries UE specific signaling before DCCH DOWNLINK

Carries signaling information to a group of UE DCH Dedicated Channel Dedicate for a user for DL transmission

TRAFFIC FACH Forward Access Channel

Carry traffic for one user DSCH Dowlink Shared Channel Shared by multiple user same as LAN

Carry traffic for multiple user BCH Broad Cast Channel Broad cast System and Cell vide information

PCH Paging Channel Carries paging information

Shared by UE to access the networkor small amount of traffic

used to carry signaling information and small amount of traffic

PHYSICAL CHANNEL UPLINK UPLINK

Dedicate for a user for UL transmission DPDCH Dedicated Physical Data Chanel Used to carry ul DCH / user traffic Shared by UE to send user traffic DPCCH Dedicated Physical Control Chanel UE to UTRAN , power control and other

PRACH Physical Random Access Channel Carries RACH / collision based DOWNLINK PCPCH Physical Common Packet Channel Similar to PRACH carries CPCH

Dedicate for a user for DL transmission DOWNLINK

DPCH Dedicated Physical channel Combination of DPCCH and DPDCH in DL

Shared by multiple user same as LAN PCCPCH Primary Common Control Physical Channel A fixed rate Channel used to carry BCH

Broad cast System and Cell vide information SCCPCH Secondary Common Control Physical Channel carries FACH and PCH common tarnsport channel

Carries paging information PDSCH Physical DL shared channel Carries DSCH CPICH Common Pilot ChannelPICH Paging Indicator channel AICH Acquisition Indicator Channel This channel works with PRACH and schedule it

Shared by UE to access the networkor small amount of traffic

used to carry signaling information and small amount of traffic

A fixed rate Channel used to carry a particular bit sequence and measure the strenght of rcd signal Used with SCCPCH to inform UE that paging os ready to sent

Sleep mode opeartion

CSICH Status Indicator channel Used to schedule common packet channel burst

UPLINK Used to carry ul DCH / user traffic

UE to UTRAN , power control and other Carries RACH / collision based Similar to PRACH carries CPCH

DOWNLINK

Combination of DPCCH and DPDCH in DL

A fixed rate Channel used to carry BCH

carries FACH and PCH common tarnsport channel

Carries DSCH

This channel works with PRACH and schedule it

A fixed rate Channel used to carry a particular bit sequence and measure the strenght of rcd signal Used with SCCPCH to inform UE that paging os ready to sent

Sleep mode opeartion

Used to schedule common packet channel burst