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TR 25.871 (RAN6)
Uplink Multiple Input Multiple Output (MIMO) for High Speed Packet Access (HSPA)

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V11.0.0 (Wzip)  2011/09  42 p.

Rapporteur:  Mr. Sambhwani, Sharad
See also:  –

This TR captures evaluation results and analysis from the study item on "Uplink MIMO for HSPA".

The work under this study intends to capture the feasibility and merits of UL MIMO in terms of average user throughput for the following configuration
  • Up to 2 streams can be transmitted by the UE
  • UL MIMO transmission applies to E-DCH physical channels
  • Both 2x2 and 2x4 configurations are considered
Additionally, the following are also investigated:
  • Impact on infrastructure implementation
  • Impact on UE implementation
  • Impact on specifications


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1  ScopeWord-p. 6
2  References
3  Definitions, symbols and abbreviationsWord-p. 7
4  Design Objective for UL MIMO
5  Physical Layer Structure Alternatives for UL MIMOWord-p. 8
6  MAC layer structure alternatives for UL MIMO
7  Performance Evaluation MethodologyWord-p. 17Up
8  Performance evaluation resultsWord-p. 20
9  Cubic metric evaluationWord-p. 30
10  Impact on implementationWord-p. 33
11  Impact on specifications
12  Conclusion
A  Change historyWord-p. 42Up

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