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TR 38.761
Measurements of
Multiple Input Multiple Output (MIMO) Over-the-Air (OTA)
Performance of UE

3GPP‑Page  
V18.1.0 (Wzip)  2024/03  … p.
Rapporteur:
Miss Zhu, Siting
CAICT

full Table of Contents for  TR 38.761  Word version:  18.0.0

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1 Scope  2 References  3 Definitions of terms, symbols and abbreviations  4 General  5 Measurement setup  6 Channel Model Validation  7 Lab alignment of FR1 MIMO OTA  8 Lab alignment of FR2 MIMO OTA  $ Change history 

 

1  Scope  p. 7

The present document is a Technique Report for Measurements of Multiple Input Multiple Output (MIMO) Over-the-Air (OTA) performance of User Equipment (UE). It includes analysis and measurement results of MIMO OTA in Frequency Range 1 and Frequency Range 2, such as verification of channel models, lab alignment activities, etc.

2  References  p. 7

3  Definitions of terms, symbols and abbreviations  p. 7

3.1  Terms  p. 7

3.2  Symbols  p. 8

3.3  Abbreviations  p. 8

4  General  p. 9

4.1  Device types  p. 9

4.2  Testing configuration  p. 9

4.3  Testing Bands  p. 9

5  Measurement setup  p. 9

5.1  General  p. 9

5.2  Measurement setup for FR1 MIMO OTA  p. 9

5.3  Measurement setup for FR2 MIMO OTA  p. 9

6  Channel Model Validation  p. 9

6.1  General  p. 9

6.2  Verification of Channel Model implementation of FR1  p. 10

6.2.1  Framework  p. 10

6.2.2  Channel Model Validation Results  p. 10

6.2.2.1  Power Delay Profile (PDP)  p. 10

6.2.2.2  Doppler/Temporal correlation  p. 16

6.2.2.3  Spatial correlation  p. 26

6.2.2.4  Cross-polarization  p. 33

6.2.2.5  Power validation  p. 36

6.3  Verification of Channel Model implementation of FR2  p. 38

6.3.1  Framework  p. 38

6.3.2  Channel Model Validation Results  p. 39

6.3.2.1  Power Delay Profile (PDP)  p. 39

6.3.2.2  Doppler/Temporal correlation  p. 41

6.3.2.3  PAS similarity percentage (PSP)  p. 43

6.3.2.4  Cross-polarization  p. 46

6.3.2.5  Power validation  p. 47

7  Lab alignment of FR1 MIMO OTA  p. 47

7.1  General  p. 47

7.2  Noise impact in MPAC on MIMO performance  p. 48

7.3  Lab alignment campaign for frequency bands > 1GHz  p. 50

7.3.1  Framework  p. 50

7.3.2  Measurement results  p. 50

7.3.3  Pass/fail limits  p. 52

7.3.4  Conclusion  p. 52

7.4  Lab alignment campaign for frequency bands < 1GHz  p. 52

7.4.1  Framework  p. 52

7.4.2  Measurement results  p. 53

7.4.3  Pass/fail limits  p. 53

7.4.4  Conclusion  p. 53

8  Lab alignment of FR2 MIMO OTA  p. 53

8.1  Framework  p. 53

8.2  Measurement results  p. 54

8.3  Pass/fail limits  p. 54

8.4  Conclusion  p. 54

$  Change history  p. 55

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