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TR 38.810
5G New Radio —
Study on Test Methods

3GPP‑Page
V16.7.0 (Wzip)  2023/06  173 p.
Rapporteur:
Mr. Chervyakov, Andrey
Intel Corporation (UK) Ltd

full Table of Contents for  TR 38.810  Word version:  16.7.0

1Scope  p. 10
2References  p. 10
3Definitions, symbols and abbreviations  p. 11
3.1Definitions  p. 11
3.2Symbols  p. 11
3.3Abbreviations  p. 11
4General  p. 12
4.1Device types and UE power classes  p. 12
4.2Testing configuration  p. 13
4.3Test interface  p. 13
4.4Equivalence criteria  p. 13
5UE RF testing methodology  p. 15
5.1General  p. 15
5.2Permitted test methods  p. 15
5.2.1Direct far field (DFF)  p. 15
5.2.1.1Description  p. 15
5.2.1.2Far-field criteria  p. 16
5.2.1.3Testing and calibration aspects  p. 18
5.2.1.3.1Calibration Measurement Procedure  p. 18
5.2.1.3.2Peak EIRP Measurement Procedure  p. 18
5.2.1.3.3TRP Measurement Procedure  p. 19
5.2.1.3.4Peak EIS Measurement Procedure  p. 20
5.2.1.3.5EVM Measurement Procedure  p. 20
5.2.1.3.6Blocking Measurement Procedure  p. 21
5.2.1.3.7TX Beam Peak direction search and EIRP Spherical Coverage  p. 21
5.2.1.3.8RX Beam Peak direction search and EIS Spherical Coverage  p. 23
5.2.1.3.9Beam Correspondence Tolerance  p. 24
5.2.2Direct far field (DFF) setup simplification for centre of beam measurements  p. 25
5.2.2.1Description  p. 25
5.2.2.2Far-field criteria  p. 25
5.2.2.3Testing and calibration aspects  p. 25
5.2.3Indirect far field (IFF) method 1  p. 25
5.2.3.1Description  p. 25
5.2.3.2Far-field criteria  p. 27
5.2.3.3Testing and calibration aspects  p. 27
5.2.3.3.1Calibration Measurement Procedure  p. 27
5.2.3.3.2Peak EIRP Measurement Procedure  p. 28
5.2.3.3.3TRP Measurement Procedure  p. 29
5.2.3.3.4Peak EIS Measurement Procedure  p. 29
5.2.3.3.5EVM Measurement Procedure  p. 30
5.2.3.3.6Blocking Measurement Procedure  p. 30
5.2.4Near field to far field transform (NFTF)  p. 31
5.2.4.1Description  p. 31
5.2.4.2Testing and calibration aspects  p. 32
5.2.4.2.1Calibration Measurement Procedure  p. 32
5.2.4.2.2Peak EIRP Measurement Procedure  p. 33
5.2.4.2.3TRP Measurement Procedure  p. 34
5.3Test method applicability  p. 34
6UE RRM testing methodology  p. 35
6.1General  p. 35
6.2Measurement setup  p. 35
6.2.1Baseline setup  p. 35
6.2.1.1Description  p. 35
6.2.1.2Far-field criteria and Quiet Zone  p. 37
6.2.1.3Testing and calibration aspects  p. 37
6.2.1.4Test parameters and metrics  p. 38
6.2.1.4.1Test parameters and metrics required for UE RRM testing  p. 38
6.2.1.4.2Radiated requirements Reference point and Testing directions  p. 38
6.2.1.4.3Scenario 1 (1AoA RX beam peak) for Type 1 Requirements ("Fine" RX beams) and Mode 1 Configuration (S+N)  p. 40
6.2.1.4.4Scenario 1 (1AoA RX beam peak) for Type 2 Requirements ("Rough" RX beams) and Mode 1 Configuration (S+N)  p. 41
6.2.1.4.5Scenario 2 (1AoA RX non-beam peak) for Type 1 Requirements ("Fine" RX beams) and Mode 1 Configuration (S+N)  p. 41
6.2.1.4.6Scenario 2 (1AoA RX non-beam peak) for Type 2 Requirements ("Rough" RX beams) and Mode 1 Configuration (S+N)  p. 42
6.2.1.4.7Scenario 3 (2AoA) for Mode 1 Configuration (S+N)  p. 42
6.2.1.4.8Noc level for multi-band capable devices  p. 42
6.2.1.4.9Noc level for CA  p. 42
6.3Summary of initial uncertainty assessment  p. 43
7UE demodulation and CSI testing methodology  p. 43
7.1General  p. 43
7.2Measurement setup  p. 43
7.2.1Baseline setup  p. 43
7.2.1.1Description  p. 43
7.2.1.2Measurement distance  p. 45
7.2.1.3Test parameters  p. 45
7.2.1.3.1Test parameters for Mode 1  p. 46
7.2.1.3.2Test parameters for Mode 2  p. 48
7.2.1.4Test metrics  p. 48
8Propagation conditions  p. 49
8.1General  p. 49
8.2Multi-path fading propagation conditions  p. 49
8.2.1Single probe channel modelling methodology  p. 49
8.2.1.1Channel model Option 1  p. 49
8.2.1.2Channel model Option 2  p. 50
8.2.1.2.1MIMO Correlation  p. 52
8.2.2Path Delay grid for channel models  p. 53
8.2.2.1Example for determining the resulting delay profile  p. 53
8.3Static propagation conditions  p. 54
AEnvironment conditions  p. 55
A.1Operating voltage  p. 55
BMeasurement uncertainty  p. 56
B.1Measurement uncertainty budget for UE RF testing methodology  p. 56
B.1.1Direct far field (DFF) setup  p. 56
B.1.1.1Uncertainty budget calculation principle  p. 56
B.1.1.2Uncertainty budget format  p. 57
B.1.1.3Uncertainty assessment  p. 57
B.1.1.4Measurement error contribution descriptions  p. 59
B.1.1.4.1Positioning misalignment  p. 59
B.1.1.4.2Measure distance uncertainty  p. 59
B.1.1.4.3Quality of quiet zone  p. 60
B.1.1.4.4Mismatch  p. 60
B.1.1.4.5Absolute antenna gain uncertainty of the measurement antenna  p. 62
B.1.1.4.6Uncertainty of the RF power measurement equipment  p. 62
B.1.1.4.7Phase curvature  p. 62
B.1.1.4.8Amplifier uncertainties  p. 62
B.1.1.4.9Random uncertainty  p. 63
B.1.1.4.10Influence of the XPD  p. 63
B.1.1.4.11Reference antenna positioning misalignment  p. 64
B.1.1.4.12Uncertainty of the Network Analyzer  p. 64
B.1.1.4.13Reference antenna feed cable loss measurement uncertainty  p. 64
B.1.1.4.14Uncertainty of an absolute gain of the calibration antenna  p. 64
B.1.1.4.15Positioning and pointing misalignment between the reference antenna and the receiving antenna  p. 64
B.1.1.4.16gNB emulator uncertainty  p. 64
B.1.1.4.17Phase centre offset of calibration  p. 64
B.1.1.4.18Quality of quiet zone for calibration process  p. 65
B.1.2Void  p. …
B.1.3Indirect far field (IFF) method 1 setup  p. 65
B.1.3.1Uncertainty budget calculation principle  p. 65
B.1.3.2Uncertainty budget format  p. 66
B.1.3.3Uncertainty assessment  p. 67
B.1.3.4Measurement error contribution descriptions  p. 69
B.1.3.4.1Positioning misalignment  p. 69
B.1.3.4.2Quality of Quiet Zone  p. 69
B.1.3.4.3Standing wave between DUT and measurement antenna  p. 70
B.1.3.4.4Mismatch  p. 70
B.1.3.4.5Insertion loss variation of receiver chain  p. 70
B.1.3.4.6RF leakage (from measurement antenna to receiver/transmitter)  p. 70
B.1.3.4.7Uncertainty of the RF power measurement equipment  p. 70
B.1.3.4.8Amplifier Uncertainties  p. 70
B.1.3.4.9Random uncertainty  p. 70
B.1.3.4.10Influence of XPD  p. 70
B.1.3.4.11Misalignment positioning system  p. 70
B.1.3.4.12Uncertainty of Network Analyzer  p. 70
B.1.3.4.13Uncertainty of the absolute gain of the calibration antenna  p. 70
B.1.3.4.14Influence of the calibration antenna feed cable (Flexing cables, adapters, attenuators, connector repeatability)  p. 70
B.1.3.4.15Positioning and pointing misalignment between the reference antenna and the receiving antenna  p. 71
B.1.3.4.16Standing wave between reference calibration antenna and measurement antenna  p. 71
B.1.3.4.17gNB emulator uncertainty  p. 71
B.1.3.4.18Quality of the Quiet Zone for Calibration Process  p. 71
B.1.4NFTF setup  p. 71
B.1.4.2Uncertainty budget format  p. 72
B.1.4.3Uncertainty assessment  p. 72
B.1.4.4Measurement error contribution descriptions  p. 74
B.1.4.4.1Axes Alignment  p. 74
B.1.4.4.2Probe XPD  p. 74
B.1.4.4.3Probe Polarization Amplitude and Phase  p. 74
B.1.4.4.4Probe Array Uniformity (for multi -probe systems only)  p. 74
B.1.4.4.5Probe Pattern Effect  p. 74
B.1.4.4.6Multiple Reflections: Coupling Measurement Antenna and DUT  p. 75
B.1.4.4.7Quality of the Quiet Zone  p. 75
B.1.4.4.8Measurement Distance  p. 75
B.1.4.4.9NF to FF truncation  p. 75
B.1.4.4.10Mismatch of receiver chain  p. 75
B.1.4.4.11Uncertainty of the RF power measurement equipment  p. 75
B.1.4.4.12Amplifier uncertainties  p. 75
B.1.4.4.13Phase Recovery Non-Linearity over signal bandwidth  p. 75
B.1.4.4.14Phase Drift and Noise  p. 75
B.1.4.4.15Leakage and Crosstalk  p. 75
B.1.4.4.16Random uncertainty  p. 75
B.1.4.4.17Uncertainty of the Network Analyzer  p. 76
B.1.4.4.18Amplifier Uncertainties  p. 76
B.1.4.4.19Mismatch of receiver chain  p. 76
B.1.4.4.20Mismatch in the connection of the calibration antenna  p. 76
B.1.4.4.21Measurement Distance  p. 76
B.1.4.4.22Quality of the Quiet Zone for Calibration Process  p. 76
B.1.4.4.23Uncertainty of the absolute gain of the calibration antenna  p. 76
B.1.4.4.24Phase curvature  p. 76
B.2Measurement uncertainty budget for UE RRM testing methodology  p. 76
B.2.1Direct far field (DFF) setup  p. 76
B.2.1.4Measurement error contribution descriptions  p. 78
B.2.1.4.1gNB emulator SNR uncertainty  p. 78
B.2.1.4.2gNB emulator Downlink EVM  p. 78
B.2.1.4.3gNB emulator fading model impairments  p. 78
B.2.1.5Assessment of testable SNR range for D=5cm  p. 78
B.2.1.5.1Method and Parameters  p. 78
B.2.1.5.2Void  p. …
B.2.1.5.3Void  p. …
B.2.2Indirect far field (IFF) setup  p. 81
B.2.2.1Uncertainty budget calculation principle  p. 81
B.2.2.2Uncertainty budget format  p. 81
B.2.2.3Uncertainty assessment  p. 82
B.2.2.4Measurement error contribution descriptions  p. 82
B.2.2.4.1gNB emulator SNR uncertainty  p. 82
B.2.2.4.2gNB emulator Downlink EVM  p. 82
B.2.2.4.3gNB emulator fading model impairments  p. 82
B.2.2.5Assessment of testable SNR range  p. 82
B.2.2.5.1Method and Parameters  p. 83
B.2.2.5.2Void  p. …
B.2.2.5.3Void  p. …
B.2.3Simplified Direct far field (DFF) setup  p. 85
B.2.3.4-  p. 86
B.2.3.4.1gNB emulator SNR uncertainty  p. 86
B.2.3.4.2gNB emulator Downlink EVM  p. 86
B.2.3.4.3gNB emulator fading model impairments  p. 86
B.2.3.5.1Method and Parameters  p. 87
B.2.3.5.2Void  p. …
B.2.3.5.3Void  p. …
B.3Measurement uncertainty budget for UE demodulation testing methodology  p. 87
B.3.1Direct near field (DNF) setup  p. 87
B.3.1.1Uncertainty budget calculation principle  p. 87
B.3.1.3Uncertainty assessment  p. 88
B.3.1.4Measurement error contribution descriptions  p. 88
B.3.1.4.1gNB emulator SNR uncertainty  p. 88
B.3.1.4.2gNB emulator Downlink EVM  p. 88
B.3.1.4.3gNB emulator fading model impairments  p. 89
B.3.1.5Assessment of testable DL SNR range and accuracy for D=15cm  p. 89
B.3.1.5.1Method and Parameters  p. 89
B.3.1.5.2Void  p. …
B.3.1.5.3Void  p. …
B.3.2Direct far field (DFF) setup  p. 91
B.3.2.1Void  p. …
B.3.2.2Void  p. …
B.3.2.3Void  p. …
B.3.2.4Void  p. …
B.3.2.5Assessment of testable SNR range  p. 91
B.3.2.5.1Method and Parameters  p. 91
B.3.2.5.2Void  p. …
B.3.2.5.3Void  p. …
B.3.2.5.4SNR range for SNRRP - SNRBB ≤ 1dB  p. 92
B.3.3Indirect far field (IFF) setup  p. 94
B.3.3.1Uncertainty budget calculation principle  p. 94
B.3.3.2Uncertainty budget format  p. 94
B.3.3.3Uncertainty assessment  p. 94
B.3.3.4Measurement error contribution descriptions  p. 95
B.3.3.4.1gNB emulator SNR uncertainty  p. 95
B.3.3.4.2gNB emulator Downlink EVM  p. 95
B.3.3.4.3gNB emulator fading model impairments  p. 95
B.3.3.5Assessment of testable SNR range  p. 95
B.3.3.5.1Method and Parameters  p. 95
B.3.3.5.2Void  p. …
B.3.3.5.3Void  p. …
B.3.3.5.4SNR range for SNRRP - SNRBB ≤ 1dB  p. 95
CUE coordinate system  p. 98
C.1Reference coordinate system  p. 98
C.2Test conditions and angle definitions  p. 99
C.3DUT positioning guidelines  p. 103
DQuality of the quiet zone validation  p. 105
D.1General  p. 105
D.2Procedure to characterize the quality of the quiet zone for the permitted far field methods  p. 105
D.2.1Equipment used  p. 105
D.2.2Test frequencies  p. 107
D.2.3Reference measurements  p. 107
D.2.4Size of the quiet zone  p. 107
D.2.5Minimum range length  p. 108
D.2.6Reference AUT positions  p. 108
D.2.6.1Distributed-axes system  p. 108
D.2.6.2Combined-axes system  p. 109
D.2.7Reference AUT orientations  p. 110
D.2.7.1Distributed-axes system  p. 110
D.2.7.2Combined-axes system  p. 111
D.2.8Quality of quiet zone measurement uncertainty calculations for TRP  p. 113
D.2.9Quality of quiet zone measurement uncertainty for EIRP/EIS  p. 113
ERationale behind IFF method 1  p. 114
E.1IFF method 1 - working principle  p. 114
E.2IFF method 1 - a far field system  p. 115
E.2.1Quiet zone  p. 115
E.2.2Implementation Requirements  p. 116
E.2.2.1Reflector(s) Type  p. 116
E.2.2.1.1Serrated Edge  p. 117
E.2.2.1.2Rolled edge  p. 117
E.2.2.2Feed Antenna location  p. 117
E.3IFF method 1 - reciprocity  p. 117
E.4IFF method 1 - DUT offset from the QZ centre  p. 121
E.5IFF method 1 - operating frequency range  p. 123
E.6IFF method 1 - positioning system  p. 124
E.7IFF method 1 - link antennas  p. 124
FRationale behind NFTF method  p. 125
F.1NFTF method - working principle  p. 125
F.2NFTF - Spherical Scan  p. 126
F.3NFTF - Implementation for Self-Transmitting DUTs  p. 126
F.3.1Phase Recovery Technique  p. 126
F.3.2Obtaining EIRP and TRP  p. 126
F.4NFTF - Measurement Uncertainty due to Phase Variation  p. 127
GMeasurement Grids  p. 128
G.1TRP Measurement Grids  p. 128
G.1.1Assumptions  p. 128
G.1.1aGrid Types  p. 131
G.1.2TRP Integration for Constant Step Size Grid Type  p. 133
G.1.2.1TRP Integration using Weights  p. 133
G.1.2.2TRP Surface Integral using the Jacobian Matrix  p. 135
G.1.3TRP Integration for Constant Density Grid Types  p. 138
G.1.4Simulation Results  p. 138
G.1.5Interpolation at or near the Pole  p. 140
G.2Beam Peak Search Measurement Grids  p. 143
G.2.1Assumptions  p. 143
G.2.2Grid Types  p. 144
G.2.3Simulation results  p. 144
G.2.4Coarse and fine measurement grids  p. 148
G.3Spherical coverage Measurement Grids  p. 150
G.3.1Assumptions  p. 150
G.3.2Grid Types  p. 151
G.3.3Simulation results  p. 151
G.3.3.1EIRP spherical coverage  p. 151
G.3.3.1.1Analyses with 8x2 Antenna Array with Beam Peak on the Measurement Grid  p. 152
G.3.3.1.2Analyses with 8x2 Antenna Array with Beam Peak oriented completely randomly  p. 155
G.3.3.1.3Conclusions  p. 157
G.3.3.2EIS spherical coverage  p. 158
G.3.3.2.1Analyses with 8x2 Antenna Array with Beam Peak on the Measurement Grid  p. 159
G.3.3.2.2Analyses with 8x2 Antenna Array with Beam Peak oriented completely randomly  p. 163
G.3.3.2.3Conclusions  p. 166
G.3.4Clarification of Min. EIRP at fixed CDF value  p. 166
G.4Combined Beam Peak and Spherical Coverage Analyses  p. 168
HSINR control for Scenario 3 RRM Test with two Angles of Arrival (2 AoAs)  p. 169
H.1Case 1: TDM transmissions from 2 probes  p. 169
H.2Case 2: Simultaneous transmission of signals from 2 probes  p. 169
H.2.1Mode 1  p. 169
H.2.2Mode 2  p. 169
$Change history  p. 170

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