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WCDMA W10 Air Interface

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WCDMA Downlink (FDD)
Logical Channels
(Layers 2+)
BCH
Broadcast Ch.
BCCH
Broadcast Control Ch.
MTCC
MBMS Control Ch.
FACH
Forward Access Ch.
MCCH
MBMS Traffic Ch.
Physical Channels
(Layer 1)
Transport Channels
(Layer 2)
Null Data
CPICH
Common Pilot Channel
Data
Encoding
P-CCPCH(*)
Primary Common Control Physical Ch.
Data
Encoding
Cch 256,0
S-CCPCH
Secondary Common Control
CCCH
Common Control Ch.
CTCH
Common Traffic Ch.
DCCH
Dedicated Control Ch.
DTCH
Dedicated Traffic Ch.
PCH
Paging Ch.
Data
Encoding
S-CCPCH
Secondary Common Control
FACH
Forward Access Ch.
Data
Encoding
CCTrCH
Physical Ch.
DCH
Dedicated Ch.
Data
Encoding
DCH
Dedicated Ch.
Data
Encoding
Data
Encoding
DCH
Dedicated Ch.
M
U
X
Pilot, TPC, TFCI bits
Access
Indication data
Paging Indication bits
MBMS Indication bits
HSDP
A
HS-DSCH
High Speed DL
Shared Ch.
Data
Encoding
Data
Encoding
TFRI, UE Identity,
HARQ
Activation flag
Power ratio
Data
Encoding
ACK/NACK
Relative grant
Sdl,n
Gain
S/P
Cch 256,1
Sdl,n
Cch
Sdl,n
Gain
Sync Codes(*)
PSC
S/P
Physical Ch.
PCCH
Paging Control Ch.
EUL
S/P
Gain
GP

SSCi
S/P
Cch
Sdl,n
SCH (Sync Channel)
Gain
GS
DPCH (Dedicated Physical Channel) One per UE
DPDCH (one or more per UE)
Dedicated Physical Data Ch.
M
U
X
S/P
Cch
DPCCH
DPCCH (one
(one per
per UE)
UE)
Dedicated
Dedicated Physical
Physical Control
Control Ch.
Ch.
S/P
PICH
(Paging Indicator Channel )
S/P
MICH
(MBMS Notification Indication Ch. )
S/P
HS- PDSCH (one or more per UE)
High Speed Physical Downlink
shared Channel
HS-SCCH (<=4 per UE)
High Speed Shared Control Channel .
E-AGCH (<=4 per UE, serving cell)
E-DCH Absolute Grant Channel
E-RGCH (non-serving cell)
(E-DCH Relative Grant Channel)
Downlink
RF Out
Gain
n

AICH
(Acquisition Indicator Channel)
E-HICH (E-DCH Hybrid ARQ
Indication Channel)
Sdl,
SS
SS
C256,n
Sdl,n
C256,n
Sdl,n
Gain
C256,n
Sdl,n
Gain
Gain
I+jQ

I
Q
Filter
Filter
I/Q
Modulator
* Note regarding P-CCPCH and SCH
S/P
C16
Sdl,n
Gain
C128
Sdl,n
Gain
C256,n
Sdl,n
C128,n
Sdl,n
S/P
S/P
Gain

Gain
Sync Codes are transmitted only in bits 0-255 of
each timeslot;
P-CCPCH transmits only during the remaining
bits of each timeslot
Logical Channels
(Layers 2+)
CCCH
Common Control Ch.
WCDMA Uplink (FDD)
Transport Channels
(Layer 2)
Physical Channels
(Layer 1)
Data
Coding
RACH
Random Access Ch.
Chd
Gd
Chc
Gc
PRACH
Physical Random Access Ch.

RACH Control Part
DCCH
Dedicated Control Ch.
CCTrCH
DTCH
Dedicated Traffic Ch. 1
DCH
Dedicated Ch.
Data
Encoding
DCH
Dedicated Ch.
Data
Encoding
DTCH
Dedicated Traffic Ch. N
DCH
Dedicated Ch.
DPDCH #1
Dedicated Physical Data Ch.
DPDCH #3 (optional)
Dedicated Physical Data Ch.
M
U
X
DPDCH #5 (optional)
Dedicated Physical Data Ch.
DPDCH #2 (optional)
Dedicated Physical Data Ch.
DPDCH #4 (optional)
Dedicated Physical Data Ch.
Data
Encoding
Chd,1
Gd
Chd,3
Gd
Chd,5
Gd
Chd,2
Gd
Chd,4
Gd
Chd,6
Gd
DPDCH #6 (optional)
Dedicated Physical Data Ch.
Ch256,0
Pilot, TPC, TFCI bits
HSDPA
ACK, CQI
EUL
RSN
E-TFCI
Happy bit
E-DCH
I
I+jQ
Q

Ch256
Gd
j
Ch
Data
Encoding
256,1
Gd
E-DPCCH
Ch
4,1
Gd
Data
Encoding
Ch
E-DPDCH #2
I

Gd
4,1
Q
j
I
Uplink
RF Out
Filter
Filter
Q
j
DPCCH
Dedicated Physical Control Ch.
HS-DPCCH
High Speed Dedicated
Physical Control Ch.
UE
Scrambling
Code

Gd
E-DPDCH #1
MAC-es
MAC-e
j
I/Q
Mod.
Downlink Speech RAB mapping
RRC UM
136
136
144
20 msec of each subflow
81
81
93
8 bit RLC
4 bit MAC
MAC Layer
CRC 12
103
303 (1/3)
294
294
147
147
147
60
103
60
333 (1/3)
316
316
158
158
158
86
2nd interleaving
119
510
34
34
RRC AM or NAS DT normal
40 priority
msec
128
147
158
86
2nd interleaving
476
1st interleaving
119 119 119 119
152
510
2 TPC 4 Pilot
2 TPC 4 Pilot
DPDCH 60kbps => SF=128
DPDCH 60kbps => SF=128
8 tail bits
516 Rate 1/3 CC
119
34
34
CRC 16
148
164
8 tail bits
136 (1/2) Convolutional coding
172
Rate matching
1st interleaving
172
Frame segmentation
86
86
16 bit RLC
4 bit MAC
128
144
2nd speech
block
167
68
#1 110
152
600
600
68
#2 110
600
40
40
167
40
40
600
Uplink Speech RAB mapping
RRC UM
136
136
144
RRC AM or NAS DT normal priority
40 msec
128
8 bit RLC
16 bit RLC
128
4 bit MAC
144
4 bit MAC
MAC Layer
8 tail bits
60
CRC 16
148
8 tail bits
164
Convolutional coding
1/2
Radio frame equalization
136
516 Rate 1/3 CC
20 msec of each subflow
60
103
81
CRC 12
81
103
93
1/3
1/3
303+1
333+1
304
334
152
152
152
167
167
167
68
Rate match 460
2nd interleaving
40
140
600
40
DPDCH 60kbps => SF=64
PILOT TFCI TPC
1st interleaving
129 129 129 129
Frame
segmentation
68 68
Rate match 140 140 140 140
152
167
68
2nd speech
block
Rate match 460
140
136
1st Interleaving
152
2nd interleaving
600
DPDCH 60kbps => SF=64
DPCCH 15kbps
6 Q 2
2
68
#1 110
152
600
40
40
167
I
Branch
Q
600 bits (600 symbols)
68
#2 110
600
40
40
167
40
40
600 bits (600 symbols)
Downlink PS 384 RAB mapping
RRC UM
Up to 12X320 TBs in 10 msec
=> max data rate = 384 kbps
320
16
320
16
16
320
16
16
320
16
16
320
16
16
320
16
16
320
16
16
320
16
16
320
16
16
320
16
16
320
16
16
Turbo Coding 12672
9025
1st interleaving
320
16
16
16
RRC AM or NAS DT normal priority
40 msec
136
128
16 bit RLC
8 bit RLC
136
128
4 bit MAC
4 bit MAC
144
144
MAC Layer
CRC 16
148
12 Trellis
8 tail bits
164
termination
516 Rate 1/3 CC
bits
380
Rate matching
1st interleaving
95 95 95 95
Next 3 blocks
9025
2nd interleaving
95
9120
608
608
8 TFCI 8 TPC 16 Pilot
DPDCH 480ksps => SF=8
600
600
600
Uplink PS 64 RAB mapping
Up to 4X320 TBs in 20 msec
=> max data rate = 64 kbps
1
2
3
4
320
336
16
RRC AM or NAS DT normal priority
40 msec
136
128
136
128
8 bit RLC
16 bit RLC
16 bit RLC
4 bit MAC
144
144
4 bit MAC
CRC 16
336
336
336
MAC Layer
CRC 16
148
Turbo Coding 4224
12 Trellis termination bits
8 tail bits
164
320
16
RRC UM
16
320
16
16
320
16
16
16
1st Interleaving 4236
2118
2246
2246
2nd interleaving
160
2246
2400
160
Rate matching
2246
154
DPDCH 240kbps => SF=16
PILOT TFCI TPC
Frame segmentation
2118
2nd interleaving
154
2400
DPDCH 240kbps => SF=16
DPCCH 15kbps
152
6 Q 2
2
2nd speech
block
167
68
#1 110
152
600
160
160
516 Rate 1/3 CC
1st interleaving
129 129 129 129
154 154 154 154
I
Branch
Q
600 bits (600 symbols)
68
#2 110
600
40
40
167
40
40
600 bits (600 symbols)
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