TR 125 950 : 4.0.0

Foreword
1 Scope
2 References
3 Void
4 Background and Introduction
5 Overview of Techniques considered to support UTRA
   High Speed Downlink Packet Access
   5.1 Adaptive modulation and Coding Schemes
   5.2 SAW-Hybrid ARQ
   5.3 Fast Cell Selection
   5.4 Standalone DSCH
   5.5 Multiple Input Multiple Output Antenna
       Processing
6 Basic structure of HS-DSCH
   6.1 Architecture Issues
   6.2 Protocol structure
   6.3 Basic physical structure
   6.4 Transport channel structure
   6.5 Impact on Interfaces
   6.6 Conclusions
7 Adaptive Modulation and Coding Schemes (AMCS)
   7.1 Technical Details
   7.2 Performance Evaluation
   7.3 Complexity Evaluation
   7.4 Conclusions
8 SAW-Hybrid ARQ
   8.1 Technical Details
   8.2 Proposals for further enhancement of N-channel
       SAW-HARQ
   8.3 Enablers for Hybrid ARQ
   8.4 Architectural Alternatives and Impact on Current
       Specifications
   8.5 Performance Evaluation
   8.6 Complexity Evaluation
   8.7 Conclusions
9 Fast Cell Selection
   9.1 Principle
   9.2 Description of different schemes
   9.3 Potential benefit
   9.4 Impact on Interfaces
   9.5 Conclusions
10 Multiple Input Multiple Output Antenna Processing
   10.1 Conclusions
11 Associated signalling needed for HS-DSCH operation
   for High Speed Downlink Packet Access
   11.1 Associated Uplink signalling
   11.2 Associated Downlink signalling
   11.3 Conclusions
12 Standalone DSCH
   12.1 Notion of standalone DSCH
   12.2 Impacts on radio protocols
   12.3 Impacts on UE
   12.4 Coexistence with R99
   12.5 Conclusions
13 System Simulation Results
   13.1 HSDPA Baseline Performance (AMC, HARQ, FCS,
        Fast Scheduler, 3.33 ms frame) vs. R99
   13.2 Integrated Voice and Data Performance
14 Conclusions
   14.1 Recommendations
Annex A: Change history
History

Describes several techniques, which facilitate high-speed downlink packet access.