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Content for
TR 38.827
Word version: 16.8.0
1…
2…
2
References
3
Definitions, symbols and abbreviations
4
General
5
Performance metrics
6
Measurement methodologies
7
Channel Models
8
Base station configuration
A
UE coordinate system
B
Measurement uncertainty
C
Environmental requirements
D
Procedure to characterize the quality of the quiet zone
$
Change history
2
References
p. 6
3
Definitions, symbols and abbreviations
p. 6
3.1
Definitions
p. 6
3.2
Symbols
p. 7
3.3
Abbreviations
p. 7
4
General
p. 7
4.1
Device types
p. 7
4.2
Testing configuration
p. 8
4.3
Testing Bands
p. 8
5
Performance metrics
p. 9
5.1
Figure of Merits
p. 9
5.2
Averaging of throughput curves
p. 10
6
Measurement methodologies
p. 11
6.1
Environmental conditions
p. 11
6.2
Measurement setup
p. 11
6.2.1
Multi-Probe Anechoic Chamber (MPAC) for FR1
p. 11
6.2.1.1
Calibration procedure
p. 11
6.2.1.2
Test procedure
p. 12
6.2.2
Radiated Two Stage (RTS) for FR1
p. 13
6.2.2.1
RTS system setup
p. 13
6.2.2.2
Test procedure
p. 14
6.2.3
3D Multi-Probe Anechoic Chamber (MPAC) for FR2
p. 15
6.2.3.1
Calibration procedure
p. 17
6.2.3.2
Test procedure
p. 18
6.3
Test methodology verification
p. 19
6.4
Test method applicability
p. 19
6.5
EUT positioning in the chamber
p. 19
6.6
Minimum Range Length for FR1 MIMO OTA Systems
p. 20
6.6.1
MPAC
p. 21
6.6.2
RTS
p. 21
7
Channel Models
p. 21
7.1
General
p. 21
7.2
Channel Models
p. 22
7.2.1
Channel Models for FR1
p. 27
7.2.2
Channel Models for FR2
p. 35
7.3
Channel Model emulation of the Base Station beamforming configuration
p. 43
7.4
Verification of Channel Model implementation
p. 44
7.4.1
Channel Models validation
p. 44
7.4.1.1
Power Delay Profile (PDP)
p. 45
7.4.1.2
Doppler/Temporal correlation
p. 48
7.4.1.3
Spatial correlation
p. 50
7.4.1.4
Cross-polarization
p. 57
7.4.1.5
Power validation
p. 59
7.4.1.6
PAS similarity percentage (PSP)
p. 61
7.4.2
Pass/Fail Criteria
p. 64
8
Base station configuration
p. 64
8.1
General
p. 64
8.2
gNodeB emulator settings
p. 64
A
UE coordinate system
p. 79
A.1
Reference coordinate system
p. 79
A.2
Test conditions and angle definitions
p. 80
A.3
DUT positioning guidelines
p. 80
A.4
Test Zone dimensions
p. 85
B
Measurement uncertainty
p. 85
B.1
Measurement uncertainty budget for FR1
p. 86
B.1.1
Measurement Uncertainty assessment for MPAC
p. 86
B.1.2
Measurement error contribution descriptions for MPAC
p. 86
B.1.2.1
Mismatch for measurement process
p. 86
B.1.2.2
Measure distance uncertainty
p. 86
B.1.2.3
Quality of quiet zone
p. 86
B.1.2.4
Base Station simulator
p. 87
B.1.2.5
Channel Emulator
p. 87
B.1.2.6
Amplifier uncertainties
p. 87
B.1.2.7
Random uncertainty
p. 88
B.1.2.8
Throughput measurement: output level step resolution
p. 88
B.1.2.9
DUT sensitivity drift
p. 88
B.1.2.10
Signal flatness
p. 88
B.1.2.11
Mismatch for calibration process
p. 88
B.1.2.12
Reference antenna positioning misalignment
p. 88
B.1.2.13
Total Uncertainty of the Network Analyzer
p. 88
B.1.2.14
Uncertainty of an absolute gain of the calibration antenna
p. 89
B.1.2.15
Offset of the Phase Center of the Reference Antenna
p. 89
B.2
Measurement uncertainty budget for FR2
p. 89
B.2.1
Measurement Uncertainty assessment
p. 89
B.2.2
Measurement error contribution descriptions
p. 89
B.2.2.1
Mismatch for measurement process
p. 89
B.2.2.2
Measure distance uncertainty
p. 90
B.2.2.3
Quality of quiet zone
p. 90
B.2.2.4
Base Station simulator
p. 90
B.2.2.5
Channel Emulator
p. 90
B.2.2.6
Amplifier uncertainties
p. 90
B.2.2.7
Random uncertainty
p. 91
B.2.2.8
Throughput measurement: output level step resolution
p. 91
B.2.2.9
DUT sensitivity drift
p. 91
B.2.2.10
Signal flatness
p. 91
B.2.2.11
Mismatch for calibration process
p. 91
B.2.2.12
Reference antenna positioning misalignment
p. 91
B.2.2.13
Total Uncertainty of the Network Analyzer
p. 92
B.2.2.14
Uncertainty of an absolute gain of the calibration antenna
p. 92
B.2.2.15
Offset of the Phase Center of the Reference Antenna
p. 92
C
Environmental requirements
p. 92
C.1
Scope
p. 92
C.2
Ambient temperature
p. 92
C.3
Operating voltage
p. 92
D
Procedure to characterize the quality of the quiet zone
p. 92
D.1
FR1 quality of the quiet zone
p. 92
D.2
FR2 quality of the quiet zone
p. 94
$
Change history
p. 96