【資料成文時(shí)間】：2002
【語(yǔ)言】：英語(yǔ)
【頁(yè)數(shù)】：64
【何人（公司）所著】：Ericsson
【文件格式】：pdf
【文件原名】：HSDPA_rel5.pdf
【摘要或目錄】：
Contents
1 INTRODUCTION.................................................................................................................................. 4
2 GENERAL PRINCIPLES...................................................................................................................... 5
2.1 SHARED-CHANNEL TRANSMISSION...................................................................................................... 5
2.2 HIGHER-ORDER MODULATION ............................................................................................................ 5
2.3 FAST LINK ADAPTATION ..................................................................................................................... 5
2.4 CHANNEL-DEPENDENT SCHEDULING ................................................................................................... 6
2.5 FAST HYBRID ARQ WITH SOFT COMBINING......................................................................................... 7
3 ARCHITECTURE ................................................................................................................................. 9
3.1 RADIO INTERFACE AND RADIO NETWORK ARCHITECTURE .................................................................... 9
3.1.1 Radio Interface Protocol Architecture ....................................................................................... 9
3.1.2 Radio Access Network Architecture ......................................................................................... 10
3.1.3 Radio Interface Protocol settings ............................................................................................. 12
3.2 HS-DSCH TRANSMISSION SCENARIO ................................................................................................ 12
4 HIGH-SPEED DOWNLINK ENHANCEMENTS IN REL5............................................................... 13
4.1 BASIC CHARACTERISTICS OF THE HS-DSCH...................................................................................... 13
4.2 SCHEDULING ................................................................................................................................... 15
4.3 DATA TRANSMISSION....................................................................................................................... 15
4.3.1 Fast Link Adaptation................................................................................................................ 16
4.3.2 Hybrid ARQ with Soft Combining ............................................................................................ 18
4.4 MAC-HS SIGNALING AND PHYSICAL LAYER MAPPING........................................................................ 27
4.4.1 High-Speed Shared Control Channel ....................................................................................... 27
4.4.2 MAC-hs Header ....................................................................................................................... 29
4.4.3 Uplink Signaling...................................................................................................................... 30
4.5 PROTOCOL ARCHITECTURE DETAILS ................................................................................................. 33
4.5.1 Radio Interface and Transport Protocol Architecture............................................................... 33
4.5.2 MAC and PHY Architecture Details ......................................................................................... 34
4.6 SRNC - NODE B FLOW CONTROL..................................................................................................... 37
4.7 CONFIGURATION.............................................................................................................................. 39
4.7.1 Radio Interface Aspects ........................................................................................................... 39
4.7.2 UE Capabilities ....................................................................................................................... 41
4.7.3 Network Aspects....................................................................................................................... 43
4.7.4 Configuration Parameters........................................................................................................ 45
4.7.5 Example Configuration............................................................................................................ 48
4.8 MOBILITY ....................................................................................................................................... 51
4.8.1 Introduction............................................................................................................................ 51
4.8.2 Basic HS-DSCH Mobility Concepts ......................................................................................... 51
4.8.3 Synchronization of Serving HS-DSCH Cell Change ................................................................. 52
4.8.4 Hybrid ARQ Buffer Management ............................................................................................. 52
4.8.5 Categorization of Serving HS-DSCH Cell Change ................................................................... 53
4.9 DATA FLOWS................................................................................................................................... 54
4.9.1 Functional Processing Chain ................................................................................................... 54
4.9.2 Data Flow Illustration.............................................................................................................. 54
4.10 SIGNALING FLOWS........................................................................................................................... 56
4.10.1 Assignment of HS-PDSCH to a UE .......................................................................................... 56
4.10.2 Serving HS-DSCH Cell Change ............................................................................................... 57
4.11 TRANSPORT NETWORK ISSUES........................................................................................................... 58
4.11.1 HS-DSCH Traffic seen by the Transport Links ......................................................................... 58
4.11.2 Possible Architectures.............................................................................................................. 58
4.11.3 Best Effort Transport ............................................................................................................... 59
5 ABBREVIATIONS ............................................................................................................................... 60
6 REFERENCES..................................................................................................................................... 64