Content for TR 38.810 Word version: 16.7.0
A Environment conditions
B Measurement uncertainty
B.1 Measurement uncertainty budget for UE RF testing methodology
B.1.1 Direct far field (DFF) setup
B.1.3 Indirect far field (IFF) method 1 setup
B.1.4 NFTF setup
B.2 Measurement uncertainty budget for UE RRM testing methodology
B.2.1 Direct far field (DFF) setup
B.2.2 Indirect far field (IFF) setup
B.2.3 Simplified Direct far field (DFF) setup
B.3 Measurement uncertainty budget for UE demodulation testing methodology
B.3.1 Direct near field (DNF) setup
B.3.2 Direct far field (DFF) setup
B.3.3 Indirect far field (IFF) setup
A Environment conditions p. 55
A.1 Operating voltage p. 55
B Measurement uncertainty p. 56
B.1 Measurement uncertainty budget for UE RF testing methodology p. 56
B.1.1 Direct far field (DFF) setup p. 56
B.1.1.1 Uncertainty budget calculation principle p. 56
B.1.1.2 Uncertainty budget format p. 57
B.1.1.3 Uncertainty assessment p. 57
B.1.1.4 Measurement error contribution descriptions p. 59
B.1.1.4.1 Positioning misalignment p. 59
B.1.1.4.2 Measure distance uncertainty p. 59
B.1.1.4.3 Quality of quiet zone p. 60
B.1.1.4.4 Mismatch p. 60
B.1.1.4.5 Absolute antenna gain uncertainty of the measurement antenna p. 62
B.1.1.4.6 Uncertainty of the RF power measurement equipment p. 62
B.1.1.4.7 Phase curvature p. 62
B.1.1.4.8 Amplifier uncertainties p. 62
B.1.1.4.9 Random uncertainty p. 63
B.1.1.4.10 Influence of the XPD p. 63
B.1.1.4.11 Reference antenna positioning misalignment p. 64
B.1.1.4.12 Uncertainty of the Network Analyzer p. 64
B.1.1.4.13 Reference antenna feed cable loss measurement uncertainty p. 64
B.1.1.4.14 Uncertainty of an absolute gain of the calibration antenna p. 64
B.1.1.4.15 Positioning and pointing misalignment between the reference antenna and the receiving antenna p. 64
B.1.1.4.16 gNB emulator uncertainty p. 64
B.1.1.4.17 Phase centre offset of calibration p. 64
B.1.1.4.18 Quality of quiet zone for calibration process p. 65
B.1.2 Void
B.1.3 Indirect far field (IFF) method 1 setup p. 65
B.1.3.1 Uncertainty budget calculation principle p. 65
B.1.3.2 Uncertainty budget format p. 66
B.1.3.3 Uncertainty assessment p. 67
B.1.3.4 Measurement error contribution descriptions p. 69
B.1.3.4.1 Positioning misalignment p. 69
B.1.3.4.2 Quality of Quiet Zone p. 69
B.1.3.4.3 Standing wave between DUT and measurement antenna p. 70
B.1.3.4.4 Mismatch p. 70
B.1.3.4.5 Insertion loss variation of receiver chain p. 70
B.1.3.4.6 RF leakage (from measurement antenna to receiver/transmitter) p. 70
B.1.3.4.7 Uncertainty of the RF power measurement equipment p. 70
B.1.3.4.8 Amplifier Uncertainties p. 70
B.1.3.4.9 Random uncertainty p. 70
B.1.3.4.10 Influence of XPD p. 70
B.1.3.4.11 Misalignment positioning system p. 70
B.1.3.4.12 Uncertainty of Network Analyzer p. 70
B.1.3.4.13 Uncertainty of the absolute gain of the calibration antenna p. 70
B.1.3.4.14 Influence of the calibration antenna feed cable (Flexing cables, adapters, attenuators, connector repeatability) p. 70
B.1.3.4.15 Positioning and pointing misalignment between the reference antenna and the receiving antenna p. 71
B.1.3.4.16 Standing wave between reference calibration antenna and measurement antenna p. 71
B.1.3.4.17 gNB emulator uncertainty p. 71
B.1.3.4.18 Quality of the Quiet Zone for Calibration Process p. 71
B.1.4 NFTF setup p. 71
B.1.4.2 Uncertainty budget format p. 72
B.1.4.3 Uncertainty assessment p. 72
B.1.4.4 Measurement error contribution descriptions p. 74
B.1.4.4.1 Axes Alignment p. 74
B.1.4.4.2 Probe XPD p. 74
B.1.4.4.3 Probe Polarization Amplitude and Phase p. 74
B.1.4.4.4 Probe Array Uniformity (for multi -probe systems only) p. 74
B.1.4.4.5 Probe Pattern Effect p. 74
B.1.4.4.6 Multiple Reflections: Coupling Measurement Antenna and DUT p. 75
B.1.4.4.7 Quality of the Quiet Zone p. 75
B.1.4.4.8 Measurement Distance p. 75
B.1.4.4.9 NF to FF truncation p. 75
B.1.4.4.10 Mismatch of receiver chain p. 75
B.1.4.4.11 Uncertainty of the RF power measurement equipment p. 75
B.1.4.4.12 Amplifier uncertainties p. 75
B.1.4.4.13 Phase Recovery Non-Linearity over signal bandwidth p. 75
B.1.4.4.14 Phase Drift and Noise p. 75
B.1.4.4.15 Leakage and Crosstalk p. 75
B.1.4.4.16 Random uncertainty p. 75
B.1.4.4.17 Uncertainty of the Network Analyzer p. 76
B.1.4.4.18 Amplifier Uncertainties p. 76
B.1.4.4.19 Mismatch of receiver chain p. 76
B.1.4.4.20 Mismatch in the connection of the calibration antenna p. 76
B.1.4.4.21 Measurement Distance p. 76
B.1.4.4.22 Quality of the Quiet Zone for Calibration Process p. 76
B.1.4.4.23 Uncertainty of the absolute gain of the calibration antenna p. 76
B.1.4.4.24 Phase curvature p. 76
B.2 Measurement uncertainty budget for UE RRM testing methodology p. 76
B.2.1 Direct far field (DFF) setup p. 76
B.2.1.4 Measurement error contribution descriptions p. 78
B.2.1.4.1 gNB emulator SNR uncertainty p. 78
B.2.1.4.2 gNB emulator Downlink EVM p. 78
B.2.1.4.3 gNB emulator fading model impairments p. 78
B.2.1.5 Assessment of testable SNR range for D=5cm p. 78
B.2.2 Indirect far field (IFF) setup p. 81
B.2.2.1 Uncertainty budget calculation principle p. 81
B.2.2.2 Uncertainty budget format p. 81
B.2.2.3 Uncertainty assessment p. 82
B.2.2.4 Measurement error contribution descriptions p. 82
B.2.2.4.1 gNB emulator SNR uncertainty p. 82
B.2.2.4.2 gNB emulator Downlink EVM p. 82
B.2.2.4.3 gNB emulator fading model impairments p. 82
B.2.2.5 Assessment of testable SNR range p. 82
B.2.3 Simplified Direct far field (DFF) setup p. 85
B.3 Measurement uncertainty budget for UE demodulation testing methodology p. 87
B.3.1 Direct near field (DNF) setup p. 87
B.3.1.1 Uncertainty budget calculation principle p. 87
B.3.1.3 Uncertainty assessment p. 88
B.3.1.4 Measurement error contribution descriptions p. 88
B.3.1.4.1 gNB emulator SNR uncertainty p. 88
B.3.1.4.2 gNB emulator Downlink EVM p. 88
B.3.1.4.3 gNB emulator fading model impairments p. 89
B.3.1.5 Assessment of testable DL SNR range and accuracy for D=15cm p. 89
B.3.2 Direct far field (DFF) setup p. 91
B.3.3 Indirect far field (IFF) setup p. 94
B.3.3.1 Uncertainty budget calculation principle p. 94
B.3.3.2 Uncertainty budget format p. 94
B.3.3.3 Uncertainty assessment p. 94
B.3.3.4 Measurement error contribution descriptions p. 95
B.3.3.4.1 gNB emulator SNR uncertainty p. 95
B.3.3.4.2 gNB emulator Downlink EVM p. 95
B.3.3.4.3 gNB emulator fading model impairments p. 95
B.3.3.5 Assessment of testable SNR range p. 95
