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TR 25.899 (RAN6)
High Speed Downlink Packet Access (HSDPA) enhancements

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V6.1.0 (Wzip)    2004/09    68 p.

Rapporteur:  Mr. Fukui, Noriyuki
See also:  –

This TR is the report on HSDPA (High Speed Downlink Packet Access) Enhancements for Release 6 under the study item: "Radio link performance enhancement". This TR describes enhancement technologies proposed as candidates of the improvement on HSDPA physical layer. It reports system performance gain and/or other beneficial points for each proposal. It also reports the complexity and some points changed from Release 5 to easily understand the benefits of new technologies. Furthermore, the impacts on the specification in other than physical layer are clarified.

This activity involves the Radio Access work area of the 3GPP studies and has impacts both on the Mobile Equipment and Access Network of the 3GPP systems.


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1   Scope   Word-p. 6
2   References
3   Definitions, symbols and abbreviations
4   Background and Introduction
5   Overview of Technologies considered as Enhancement   Word-p. 7
6   Details of Technologies
6.1   CQI Enhancement for FDD mode
6.2   Dynamic Range Extension for the TDD CQI Report
6.3   Multiple Simultaneous Transmissions to a UE in an HSDPA Subframe
6.4   Code Reuse for Downlink HS-DSCH
6.5   Fast Signalling between Node-B and UE
6.6   Fast Adaptive Emphasis
6.7   ACK/NACK Transmit Power Reduction for HS-DPCCH with preamble and postamble
6.8   Fractional dedicated physical channel   Word-p. 55
6.9   HSDPA operation without an associated DPCH (TDD)
7   Conclusion   Word-p. 67
A   Change history   Word-p. 68

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