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TS 38.551
5G New Radio —
User Equipment (UE) Multiple Input Multiple Output (MIMO)
Over-the-Air (OTA) performance; Conformance testing

3GPP‑Page   ETSI‑search  
V17.1.0 (PDF)  2024/03  … p.
Rapporteur:
Dr. Szini, Istvan
Apple AB

full Table of Contents for  TS 38.551  Word version:  17.0.0

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1 Scope  2 References  3 Definitions of terms, symbols, and abbreviations  4 General  5 Frequency Bands  6 FR1 MIMO OTA Performance  A FR1 Test methodology  B MU Budget  C FR1 Channel models and Validation procedure  D gNB configurations  E Environmental requirements  $ Change history 

 

1  Scope  p. 7

The present document specifies details of conformance testing of UE Multiple Input Multiple Output (MIMO) Over-the-Air (OTA) requirements and test methodologies for FR1 (NR SA and NSA). The correspondent testing methodologies are also presented in the Annex A of the present document.

2  References  p. 7

3  Definitions of terms, symbols, and abbreviations  p. 8

3.1  Terms  p. 8

3.2  Symbols  p. 8

3.3  Abbreviations  p. 8

4  General  p. 9

4.1  Relationship between minimum requirements and test requirements  p. 9

4.2  Applicability of minimum requirements  p. 9

5  Frequency Bands  p. 9

5.1  General  p. 9

5.2  Operating bands  p. 10

6  FR1 MIMO OTA Performance  p. 10

6.1  General  p. 10

6.1.1  Definition of MIMO throughput  p. 10

6.1.2  Total Radiated Multi-Antenna Sensitivity (TRMS)  p. 10

6.2  Minimum requirement  p. 11

A (Normative)  FR1 Test methodology  p. 12

A.1  General  p. 12

A.2  Multi-Probe Anechoic Chamber (MPAC)  p. 12

A.2.1  System setup  p. 12

A.2.2  Calibration procedure  p. 12

A.2.3  Test procedure  p. 13

A.2.4  Minimum Range Length  p. 14

A.3  EUT positioning  p. 14

B (Normative)  MU Budget  p. 15

B.1  MU budget of FR1 MPAC system  p. 15

B.2  Measurement error contribution descriptions for MPAC  p. 16

B.2.1  Mismatch for measurement process  p. 16

B.2.2  Measurement distance uncertainty  p. 16

B.2.3  Quality of quiet zone  p. 16

B.2.4  Base Station simulator  p. 16

B.2.5  Channel Emulator  p. 16

B.2.6  Amplifier uncertainties  p. 16

B.2.7  Random uncertainty  p. 17

B.2.8  Throughput measurement: output level step resolution  p. 17

B.2.9  Signal flatness  p. 17

B.2.10  Mismatch for calibration process  p. 18

B.2.11  Reference antenna positioning misalignment  p. 18

B.2.12  Total Uncertainty of the Network Analyzer  p. 18

B.2.13  Uncertainty of an absolute gain of the calibration antenna  p. 18

B.2.14  Offset of the Phase Center of the Reference Antenna  p. 18

C (Normative)  FR1 Channel models and Validation procedure  p. 19

C.1  FR1 Channel models  p. 19

C.2  FR1 Base Station beam configuration  p. 20

C.3  FR1 Channel model validation  p. 21

C.3.1  General  p. 21

C.3.2  Power Delay Profile (PDP)  p. 22

C.3.3  Doppler/Temporal correlation  p. 24

C.3.4  Spatial correlation  p. 28

C.3.5  Cross-polarization  p. 35

C.3.6  Power validation  p. 37

C.4  Validation Pass/fail limit  p. 39

C.4.1  General  p. 39

C.4.2  Pass/Fail Criteria of PDP  p. 39

C.4.3  Pass/Fail Criteria of Doppler/Temporal correlation  p. 39

C.4.4  Pass/Fail Criteria of Spatial correlation  p. 41

C.4.5  Pass/Fail Criteria of Cross-polarization  p. 44

C.4.6  Pass/Fail Criteria of Power validation  p. 45

D (Normative)  gNB configurations  p. 46

D.1  FR1 gNB configurations  p. 46

E (Normative)  Environmental requirements  p. 51

E.1  Scope  p. 51

E.2  Ambient temperature  p. 51

E.3  Operating voltage  p. 51

$  Change history  p. 52

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