wcdma dl & ul (fdd)_layering
DESCRIPTION
layer umtsTRANSCRIPT
4/ 038 13 - EN/LZU 108 5306 Rev. C WCDMA Air Interface1
WCDMA Downlink (FDD)
BCCHBroadcast Control Ch.
PCCHPaging Control Ch.
CCCHCommon Control Ch.
DCCHDedicated Control Ch.
DTCHDedicated Traffic Ch. N
BCHBroadcast Ch.
PCHPaging Ch.
FACHForward Access Ch.
DCHDedicated Ch.
P-CCPCH(*)Primary Common Control Physical Ch.
S-CCPCHSecondary Common Control
Physical Ch.
DPDCH (one or more per UE) Dedicated Physical Data Ch.
DPCCH (one per UE)Dedicated Physical Control Ch.Pilot, TPC, TFCI bits
SSCi
Logical Channels(Layers 3+)
Transport Channels(Layer 2)
Physical Channels(Layer 1)
DownlinkRF Out
DPCH (Dedicated Physical Channel)One per UE
DSCHDownlink Shared Ch.
CTCHCommon Traffic Ch.
CPICHCommon Pilot Channel
Null Data
Data Encoding
Data Encoding
Data Encoding
Data Encoding
Data Encoding
PDSCHPhysical Downlink Shared Channel
AICH (Acquisition Indicator Channel)
PICH (Paging Indicator Channel )
Access Indication data
Paging Indication bits
AP-AICH(Access Preamble Indicator Channel )
Access Preamble Indication bits
CSICH (CPCH Status Indicator Channel )
CPCH Status Indication bits
CD/CA-ICH (Collision Detection/Channel
Assignment )
CPCH Status Indication bits
S/P
S/P
Cch
S/P
S/P
S/P
S/P
S/P
S/P
S/P
S/P
I+jQI/Q
Modulator
Q
I
Cch
Cch
Cch
Cch
Cch
Cch
Cch
Cch 256,1
Cch 256,0
GS
PSC
GP
Sync Codes(*)
* Note regarding P-CCPCH and SCH
Sync Codes are transmitted only in bits 0-255 of each timeslot;P-CCPCH transmits only during the remaining bits of each timeslot
Filter
Filter
Gain
Gain
Gain
Gain
Gain
Gain
Gain
Gain
Gain
Gain
SCH (Sync Channel)
DTCHDedicated Traffic Ch. 1
DCHDedicated Ch.
Data Encoding
MUX
MUX
CCTrCH
DCHDedicated Ch.
Data Encoding
Sdl,n
Sdl,n
Sdl,n
Sdl,n
Sdl,n
Sdl,n
Sdl,n
Sdl,n
Sdl,n
Sdl,n
4/ 038 13 - EN/LZU 108 5306 Rev. C WCDMA Air Interface2
WCDMA Uplink (FDD)Logical Channels(Layers 3+)
Transport Channels(Layer 2)
Physical Channels(Layer 1)
UplinkRF Out
UEScrambling
Code
I+jQ I/QMod.
Q
I
Chc
I
Filter
Filter
CCCHCommon Control Ch.
DTCH (packet mode)Dedicated Traffic Ch.
RACHRandom Access Ch.
PRACHPhysical Random Access Ch.
DPDCH #1Dedicated Physical Data Ch.
CPCHCommon Packet Ch.
PCPCHPhysical Common Packet Ch.
Data Coding
Data Coding
DPDCH #3 (optional)Dedicated Physical Data Ch.
DPDCH #5 (optional) Dedicated Physical Data Ch.
DPDCH #2 (optional) Dedicated Physical Data Ch.
DPDCH #4 (optional) Dedicated Physical Data Ch.
DPDCH #6 (optional) Dedicated Physical Data Ch.
Q
DPCCHDedicated Physical Control Ch.
Pilot, TPC, TFCI bits
Chd
Gc
Gd
j
Chd,1 Gd
Chd,3 Gd
Chd,5 Gd
Chd,2 Gd
Chd,4 Gd
Chd,6 Gd
Chc Gd
Chc
Chd
Gc
Gd
j
RACH Control Part
PCPCH Control Part
j
DCCHDedicated Control Ch.
DTCHDedicated Traffic Ch. N
DCHDedicated Ch.
Data Encoding
DTCHDedicated Traffic Ch. 1
DCHDedicated Ch.
Data Encoding M
UX
CCTrCH
DCHDedicated Ch.
Data Encoding