3rd Generation of Mobile Communications

Advanced Info Service PLC.

1 | P a g e Radio Access BKK Composed by: Wutthilert Rungchai March 2010 Edit by: Bunjong Yosapa

Channel

Radio

UMTS

UMTS Terrestrial Radio Access Channels

Channel UMTS GSM

channel BCCH, SDCCH, TCH UMTS

3 Channel Physical layer , Channel Transport

RNC Channel Logical (data link) RNC

Channel P Primary Physical

1 Channel Physical channels Physical layer (Layer 1)

( ISO 7 layers) Node-B Logical channel Data Link

layer (Layer 2) RNC Transport channel ( Transport layer OSI 7 layers model )

MAC (Medium Access Control) (MAC lower layer Channel

Mapping Channel Layer

PCH PICH

PCH PICH

3rd Generation of Mobile Communications

Advanced Info Service PLC.

2 | P a g e Radio Access BKK Composed by: Wutthilert Rungchai March 2010 Edit by: Bunjong Yosapa

1 UTRA Channel Release 1999 (R99)

Logical Channels:

BCCH - Broadcast Control Channel, DL

PCCH - Paging Control Channel, DL

DCCH - Dedicated Control Channel, UL/DL

CCCH - Common Control Channel, UL/DL

DTCH - Dedicated Traffic Channel, UL/DL

CTCH - Common Traffic Channel, Unidirectional (one to many)

3rd Generation of Mobile Communications

Advanced Info Service PLC.

3 | P a g e Radio Access BKK Composed by: Wutthilert Rungchai March 2010 Edit by: Bunjong Yosapa

Transport Channels:

DCH - Dedicated Channel, UL/DL

BCH - Broadcast Channel, DL

FACH - Forward Access Channel, DL

PCH - Paging Channel, DL

RACH - Random Access Channel, UL

CPCH Common Packet Channel, UL

DSCH - Downlink Shared Channel, DL

Physical Channels:

PCCPCH - Primary Common Control Physical Channel

SCCPCH - Secondary Common Control Physical Channel

PRACH - Physical Random Access Channel

DPDCH - Dedicated Physical Data Channel

DPCCH - Dedicated Physical Control Channel

PDSCH - Physical Downlink Shared Channel

PCPCH - Physical Common Packet Channel

SCH - Synchronization Channel

P-SCH - Primary Synchronization Channel

S-SCH - Secondary Synchronization Channel

CPICH - Common Pilot Channel

AICH - Acquisition Indicator Channel

3rd Generation of Mobile Communications

Advanced Info Service PLC.

4 | P a g e Radio Access BKK Composed by: Wutthilert Rungchai March 2010 Edit by: Bunjong Yosapa

PICH - Paging Indication Channel

CSICH - CPCH Status Indication Channel

CD/CA-ICH - Collision Detection/Channel Assignment Indication Channel

Channel Channel Physical layer

Channel Transport channel Physical channel

Logical channel

BCH-Broadcast Channel

BCH Transport channel system information UE

random access code access slot

UE register BCH

Channel BCH UE

(coverage)

FACH-Forward Access Channel

FACH Control information UE

random access message UE Channel FACH

packet data FACH

FACH bit rate UE

channel channel FACH 1 Bit rate

FACH fast power control

3rd Generation of Mobile Communications

Advanced Info Service PLC.

5 | P a g e Radio Access BKK Composed by: Wutthilert Rungchai March 2010 Edit by: Bunjong Yosapa

PCH-Paging Channel

PCH Transport channel (Downlink) UE

UE UE

Power SCCPCH

PCH UE Standby Mode

PCH UE PCH UE

UE PCH Queue Paging command

Queue

RACH-Random Access Channel

RACH Uplink Control information UE RNC Request

Setup connection Packet data UE

UE Bite

rate

CPCH-Common Packet Channel

CPCH RACH Packet user data (

) FACH Packet user data UE (downlink) Physical layer

RACH Fast power control (RACH )

CPCH

3rd Generation of Mobile Communications

Advanced Info Service PLC.

6 | P a g e Radio Access BKK Composed by: Wutthilert Rungchai March 2010 Edit by: Bunjong Yosapa

DSCH-Downlink Shared Channel

DSCH Control information

FACH Fast power control Bit rate

( Bit rate Bit rate )

DCH-Dedicated Channel Transport channel Common Transport Channels DCH

layer ,

layer Handover measurement report UE Fast power

control, Bite rate

http://www.umtsworld.com/technology/UMTSChannels.htm

WCDMA for UMTS Wiley