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Content for  TS 25.301  Word version:  18.0.0

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4 Assumed UMTS Architecture  5 Radio interface protocol architecture  5.1 Overall protocol structure  5.2 Layer 1 Services and Functions  5.3 Layer 2 Services and Functions  5.4 Layer 3 - Uu Stratum Services and Functions  5.5 Interactions between RRC and lower layers in the C plane  5.6 Protocol termination  6 User Identification and RRC Connection Mobility  6.1 UE identification on the radio interface  6.2 UE connection to UTRAN  7 UE modes  $ Change History 

 

4  Assumed UMTS Architecture  p. 8

5  Radio interface protocol architecture  p. 9

5.1  Overall protocol structure  p. 9

5.1.1  Service access points and service primitives  p. 11

5.2  Layer 1 Services and Functions  p. 12

5.2.1  L1 Services  p. 12

5.2.1.1  Transport channels  p. 12

5.2.2  L1 Functions  p. 14

5.3  Layer 2 Services and Functions  p. 14

5.3.1  MAC Services and Functions  p. 14

5.3.1.1  MAC Services to upper layers  p. 14

5.3.1.1.1  Logical channels  p. 14
5.3.1.1.2  Mapping between logical channels and transport channels  p. 16
5.3.1.1.2.1  Mapping in Uplink  p. 16
5.3.1.1.2.2  Mapping in Downlink  p. 16

5.3.1.2  MAC functions  p. 18

5.3.2  RLC Services and Functions  p. 20

5.3.2.1  Services provided to the upper layer  p. 20

5.3.2.2  RLC Functions  p. 21

5.3.3  PDCP Services and Function  p. 21

5.3.3.1  PDCP Services provided to upper layers  p. 21

5.3.3.2  PDCP Functions  p. 21

5.3.4  Broadcast/Multicast Control - Services and functions  p. 22

5.3.4.1  BMC Services  p. 22

5.3.4.2  BMC Functions  p. 22

5.3.5  Data flows through Layer 2  p. 22

5.3.5.1  Data flow for BCCH mapped to BCH  p. 27

5.3.5.2  Data flow for BCCH mapped to FACH  p. 28

5.3.5.3  Data flow for PCCH mapped to PCH  p. 28

5.3.5.4  Data flow for CCCH mapped to FACH/RACH  p. 28

5.3.5.5  Data flow for SHCCH mapped to USCH  p. 28

5.3.5.6  Data flow for SHCCH mapped to FACH/RACH  p. 28

5.3.5.7  Data flow for DCCH mapped to FACH/RACH  p. 28

5.3.5.8  Data flow for DCCH mapped to DSCH  p. 28

5.3.5.9  Data flow for DCCH mapped to USCH  p. 28

5.3.5.10  Void

5.3.5.11  Data flow for DTCH (non-transparent RLC) mapped to FACH/RACH  p. 28

5.3.5.12  Data flow for DTCH (non-transparent RLC) mapped to DSCH  p. 29

5.3.5.13  Data flow for DTCH (non-transparent RLC) mapped to USCH  p. 29

5.3.5.14  Data flow for DTCH (transparent RLC) mapped to DCH  p. 29

5.3.5.15  Data flow for DTCH (non-transparent RLC) mapped to DCH  p. 29

5.3.5.16  Void

5.3.5.17  Data flow for DCCH mapped to DCH  p. 29

5.3.5.18  Data flow for CTCH mapped to FACH  p. 29

5.3.5.19  Data flow for DCCH mapped to HS-DSCH |R5|  p. 29

5.3.5.20  Data flow for DTCH (non-transparent RLC) mapped to HS-DSCH |R5|  p. 29

5.3.5.21  Data flow for DCCH mapped to E-DCH |R6|  p. 29

5.3.5.22  Data flow for DTCH (non-transparent RLC) mapped to E-DCH |R6|  p. 30

5.3.5.23  Data flow for MCCH (non-transparent RLC) mapped to FACH |R6|  p. 30

5.3.5.24  Data flow for MSCH (non-transparent RLC) mapped to FACH |R6|  p. 30

5.3.5.25  Data flow for MTCH (non-transparent RLC) mapped to FACH |R6|  p. 30

5.3.5.26  Data flow for CCCH mapped to HS-DSCH/RACH (FDD only) |R7|  p. 30

5.3.5.27  Data flow for PCCH mapped to HS-DSCH |R7|  p. 30

5.3.5.28  Data flow for BCCH mapped to HS-DSCH (FDD and 1.28 Mcps TDD only) |R7|  p. 30

5.3.5.29  Data flow for CCCH mapped to HS-DSCH/E-DCH (FDD and 1.28 Mcps TDD only) |R8|  p. 30

5.3.6  Transport Channel, Logical Channel and MAC-d flow Numbering  p. 30

5.4  Layer 3 - Uu Stratum Services and Functions  p. 32

5.4.1  Uu Stratum services  p. 32

5.4.1.1  General Control  p. 32

5.4.1.2  Notification  p. 33

5.4.1.3  Dedicated Control  p. 33

5.4.2  RRC functions  p. 33

5.5  Interactions between RRC and lower layers in the C plane  p. 35

5.6  Protocol termination  p. 36

5.6.1  Protocol termination for DCH  p. 36

5.6.2  Protocol termination for RACH/FACH  p. 36

5.6.3  Void

5.6.4  Void

5.6.5  Protocol termination for DSCH  p. 39

5.6.5.1  DSCH definition  p. 39

5.6.5.2  Resource allocation and UE identification on DSCH  p. 40

5.6.5.2.1  Void
5.6.5.2.2  UE requires a downlink SHCCH  p. 40

5.6.5.3  Model of DSCH in UTRAN  p. 40

5.6.5.4  Protocol termination  p. 41

5.6.6  Protocol termination for transport channel of type USCH  p. 42

5.6.6.1  USCH definition  p. 42

5.6.6.2  Resource allocation and UE identification on USCH  p. 42

5.6.6.3  Model of USCH in UTRAN  p. 42

5.6.6.4  Protocol termination  p. 43

5.6.7  Protocol termination for transport channel of type BCH  p. 44

5.6.8  Protocol termination for transport channel of type PCH  p. 44

5.6.9  Protocol termination for HS-DSCH |R5|  p. 45

5.6.9.1  HS-DSCH definition  p. 45

5.6.9.2  Resource allocation and UE identification on HS-DSCH  p. 45

5.6.9.3  Protocol termination  p. 45

5.6.10  Protocol termination for E-DCH |R6|  p. 46

5.6.10.1  E-DCH definition  p. 46

5.6.10.2  Resource allocation and UE identification related to E-DCH  p. 46

5.6.10.3  Protocol termination  p. 46

5.6.11  Protocol termination for MBMS |R6|  p. 47

5.6.11.1  MBMS definition  p. 47

5.6.11.2  Resource allocation related to MBMS  p. 48

5.6.11.3  Protocol termination  p. 48

6  User Identification and RRC Connection Mobility  p. 49

6.1  UE identification on the radio interface  p. 49

6.2  UE connection to UTRAN  p. 50

7  UE modes  p. 51

$  Change History  p. 52

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