andrey3513
2015-04-03, 04:40 AM
UMTS Layer 2
1 OVERVIEW OF LAYER 2 ARCHITECTURE
1.1 General 1
2 LOGICAL CHANNELS
2.1 Logical Traffic Channels 3
2.2 Logical Control Channels 5 2.3 Logical Channels for ODMA Mode 7
3 MEDIUM ACCESS CONTROL (MAC)
3.1 MAC functions 9
3.2 Mapping of Logical Channels onto
Transport Channels through MAC 11
3.3 MAC Architecture 13
3.3.1 MAC Functional Entities (FE) 13
3.3.2 MAC for the Broadcast Channel (MAC-b) 13
3.3.3 MAC for the Common and Shared Channels (MAC-c/sh) 13
3.3.4 MAC for Dedicated Channels (MAC-d) 13
3.4 MAC Primitives 15
3.5 MAC Protocol Data Units (PDU) 17
3.5.1 MAC Header 17
4 RADIO LINK CONTROL (RLC)
4.1 RLC Services19
4.2 RLC Functions 23
4.3 RLC Architecture 25
4.4 RLC Transparent Mode Operation 27
4.5 RLC Unacknowledged Mode Operation 29
4.6 RLC Acknowledged Mode Operation 31
4.6.1 AM Transmission 31
4.6.2 AM Reception31
4.7 RLC Primitives33
4.8 RLC PDU Types 35
4.8.1 AM PDU35
4.8.1.1 Status PDU37
4.8.2 UM PDU37 4.8.3 TRM PDU 37
5 PACKET DATA CONVERGENCE PROTOCOL (PDCP)
5.1 PDCP Architecture 39
5.2 PDCP Transfer in RLC Acknowledged Mode 41
5.3 PDCP PDU Structure 43
6 BROADCAST MULTICAST CONTROL (BMC)
6.1 Cell Broadcasting and BMC 45 APPENDIX: SUMMARY OF CHANNEL MAPPING 47
1 OVERVIEW OF LAYER 2 ARCHITECTURE
1.1 General 1
2 LOGICAL CHANNELS
2.1 Logical Traffic Channels 3
2.2 Logical Control Channels 5 2.3 Logical Channels for ODMA Mode 7
3 MEDIUM ACCESS CONTROL (MAC)
3.1 MAC functions 9
3.2 Mapping of Logical Channels onto
Transport Channels through MAC 11
3.3 MAC Architecture 13
3.3.1 MAC Functional Entities (FE) 13
3.3.2 MAC for the Broadcast Channel (MAC-b) 13
3.3.3 MAC for the Common and Shared Channels (MAC-c/sh) 13
3.3.4 MAC for Dedicated Channels (MAC-d) 13
3.4 MAC Primitives 15
3.5 MAC Protocol Data Units (PDU) 17
3.5.1 MAC Header 17
4 RADIO LINK CONTROL (RLC)
4.1 RLC Services19
4.2 RLC Functions 23
4.3 RLC Architecture 25
4.4 RLC Transparent Mode Operation 27
4.5 RLC Unacknowledged Mode Operation 29
4.6 RLC Acknowledged Mode Operation 31
4.6.1 AM Transmission 31
4.6.2 AM Reception31
4.7 RLC Primitives33
4.8 RLC PDU Types 35
4.8.1 AM PDU35
4.8.1.1 Status PDU37
4.8.2 UM PDU37 4.8.3 TRM PDU 37
5 PACKET DATA CONVERGENCE PROTOCOL (PDCP)
5.1 PDCP Architecture 39
5.2 PDCP Transfer in RLC Acknowledged Mode 41
5.3 PDCP PDU Structure 43
6 BROADCAST MULTICAST CONTROL (BMC)
6.1 Cell Broadcasting and BMC 45 APPENDIX: SUMMARY OF CHANNEL MAPPING 47