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Content for  TR 36.871  Word version:  11.0.0

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2 References  3 Definitions, symbols and abbreviations  4 Objectives of the Downlink MIMO Enhancement Study  5 Identified scenarios  6 Issues from Real-Life MIMO Deployments  7 CSI Feedback Enhancements  8 Downlink Control Signalling Enhancements  9 Specification Impacts  10 Conclusions  A Simulation assumptions  $ Change history 

 

2  References  p. 5

3  Definitions, symbols and abbreviations  p. 5

3.1  Definitions  p. 5

3.2  Symbols  p. 5

3.3  Abbreviations  p. 6

4  Objectives of the Downlink MIMO Enhancement Study  p. 6

5  Identified scenarios  p. 6

6  Issues from Real-Life MIMO Deployments  p. 7

6.1  Time misalignment / antenna calibration  p. 7

6.2  Downlink Control Signalling Enhancements  p. 7

6.3  Feedback Enhancements  p. 7

6.3.1  Rank Reporting  p. 7

6.3.2  Interference Measurement  p. 8

6.3.3  CSI Accuracy  p. 8

7  CSI Feedback Enhancements  p. 8

7.1  Evaluation Results  p. 9

8  Downlink Control Signalling Enhancements  p. 11

9  Specification Impacts  p. 11

10  Conclusions  p. 12

A  Simulation assumptions  p. 13

A.1  Simulation assumptions for CSI Feedback Enhancements  p. 13

A.2  Simulation assumptions for Downlink Control Channel Enhancements  p. 15

$  Change history  p. 17

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