Content for TR 37.941 Word version: 18.1.0
3 Definitions of terms, symbols and abbreviations
4 Coordinate system
5 Conformance testing aspects
6 Measurement types
6.1 Spatial definitions
6.2 Directional measurements
6.3 TRP measurement
6.4 Co-location measurements
6.5 Requirements classification
7 OTA measurement systems
7.1 General
7.2 Indoor Anechoic Chamber
7.3 Compact Antenna Test Range
7.4 One Dimensional Compact Range
7.5 Near Field Test Range
7.6 Plane Wave Synthesizer
7.7 General Chamber
7.8 Reverberation chamber
8 Measurement system calibration
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3 Definitions of terms, symbols and abbreviations p. 20
4 Coordinate system p. 24
5 Conformance testing aspects p. 28
6 Measurement types p. 31
6.1 Spatial definitions p. 31
6.2 Directional measurements p. 31
6.3 TRP measurement p. 34
6.3.1 General p. 34
6.3.2 TRP measurement procedures p. 36
6.3.2.1 General p. 36
6.3.2.2 Procedures for BS output power p. 37
6.3.2.2.1 General p. 37
6.3.2.2.2 Two cuts with pattern multiplication p. 37
6.3.2.2.3 Full sphere p. 37
6.3.2.2.4 Beam-based directions p. 37
6.3.2.3 Procedures for SEM and OBUE p. 37
6.3.2.3.1 General p. 37
6.3.2.3.2 Two cuts with pattern multiplication p. 38
6.3.2.3.3 Two or three cuts p. 38
6.3.2.3.4 Full sphere p. 38
6.3.2.3.5 Beam-based directions p. 38
6.3.2.4 Procedures for ACLR p. 38
6.3.2.4.1 General p. 38
6.3.2.4.2 TRP fraction method p. 38
6.3.2.5 Procedures for transmitter spurious emissions and EMC emissions p. 39
6.3.3 Angular alignment in TRP measurements p. 41
6.3.4 TRP measurement grids p. 43
6.3.4.1 Spherical equal angle grid p. 43
6.3.4.2 Reference angular step criteria p. 44
6.3.4.3 Spherical equal area grids p. 48
6.3.4.4 Spherical Fibonacci grids p. 49
6.3.4.5 Orthogonal cuts grids p. 50
6.3.4.6 Wave vector space sampling grid p. 52
6.3.5 Aspects related to measurement of OTA unwanted emission p. 55
6.3.6 TRP summation error p. 56
6.4 Co-location measurements p. 57
6.5 Requirements classification p. 58
7 OTA measurement systems p. 60
7.1 General p. 60
7.2 Indoor Anechoic Chamber p. 60
7.2.1 Measurement system description, Normal test conditions p. 60
7.2.2 Measurement system description, Extreme test conditions p. 64
7.2.3 Test method limitations p. 64
7.3 Compact Antenna Test Range p. 64
7.3.1 Measurement system description, Normal test conditions p. 64
7.3.2 Measurement system description, Extreme test conditions p. 67
7.3.3 Test method limitations p. 68
7.4 One Dimensional Compact Range p. 68
7.5 Near Field Test Range p. 70
7.6 Plane Wave Synthesizer p. 71
7.7 General Chamber p. 73
7.7.0 General p. 73
7.7.1 Measurement system description (co-location requirements) p. 73
7.7.2 Test method limitations (co-location requirements) p. 75
7.7.3 Measurement system description (out-of-band TRP requirements) p. 75
7.7.4 Test method limitations (out-of-band TRP requirements) p. 75
7.8 Reverberation chamber p. 75
8 Measurement system calibration p. 78
8.1 General p. 78
8.2 Indoor Anechoic Chamber calibration p. 78
8.3 Compact Antenna Test Range calibration p. 80
8.3.1 Additional power level calibration p. 83
8.3.1.1 EIRP measurement p. 83
8.3.1.2 EIS measurement p. 84
8.3.2 Power level measurement setup with calibration for TRP p. 86
8.4 One Dimensional Test Range calibration p. 87
8.5 Near Field Test Range calibration p. 87
8.6 Plane Wave Synthesizer calibration p. 88
8.7 General Chamber calibration (co-location requirements) p. 89
8.7A General Chamber calibration (out-of-band TRP requirements) p. 90
8.8 Reverberation chamber calibration p. 90
