Radio Interface Protocol Architecture.doc

TS C001 (1999-10)
Technical Specification
China Wireless munication Standard (CWTS);
Working Group 1 (WG1);
Radio Interface Protocol Architecture
Contents
Foreword 4
1 Scope 5
2 References 5
3 Definitions and Abbreviations 6
Definitions 6
Abbreviations 6
4 Assumed TD-SCDMA Architecture 8
5 Radio interface protocol architecture 8
Overall protocol structure 8
Layer 1 Services and Functions 10
L1 Services 10
Transport channels 10
L1 Functions 11
Layer 2 Services and Functions 12
MAC Services and Functions 12
MAC Services to upper layers 12
Logical channels 12
Control Channels 13
Traffic Channels 14
Mapping between logical channels and transport channels 14
MAC functions 15
RLC Services and Functions 17
Services provided to the upper layer 17
RLC Functions 18
Data flows through Layer 2 19
Data flow for BCCH mapped to BCH (FFS.) 21
Data flow for PCCH mapped to PCH (FFS.) 22
Data flow for SCCH mapped to SCH (FFS.) 22
Data flow CH mapped to FACH/RACH (FFS) 22
Data flow for DCCH mapped to FACH/RACH 22
Data flow for DCCH mapped to DSCH 22
Data flow for DTCH (non-transparent RLC) mapped to FACH/RACH 22
Data flow for DTCH (non-transparent RLC) mapped to DSCH 22
Data flow for DTCH (transparent RLC) mapped to DCH 22
Data flow for DTCH (non-transparent RLC) mapped to DCH 22
Data flow for DCCH mapped to DCH 22
Layer 3 - RRC Services and Functions 23
RRC services 23
General Control 23
Notification 23
Dedicated Control 23
RRC functions 24
Interactions between RRC and lower layers in the C plane 26
Protocol termination 26
Protocol termination for DCH 26
Protocol termination for RACH/FACH 27
Protocol termination for DSCH 29
DSCH defi