Content for TS 38.176-2 Word version: 18.2.0
3 Definitions of terms, symbols and abbreviations
4 General radiated test conditions and declarations
5 Operating bands and channel arrangement
6 Radiated transmitter characteristics
6.1 General
6.2 Radiated transmit power
6.3 IAB output power
6.4 OTA output power dynamics
6.5 OTA transmit ON/OFF power
6.6 OTA transmitted signal quality
6.7 OTA unwanted emissions
6.8 OTA transmitter intermodulation
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3 Definitions of terms, symbols and abbreviations p. 17
4 General radiated test conditions and declarations p. 25
4.1 Measurement uncertainties and test requirements p. 25
4.1.1 General p. 25
4.1.2 Acceptable uncertainty of OTA Test System p. 27
4.1.2.1 General p. 27
4.1.2.2 Measurement of transmitter p. 28
4.1.2.3 Measurement of receiver p. 30
4.1.2.4 Measurement of performance requirement p. 33
4.1.3 Interpretation of measurement results p. 36
4.2 Radiated requirement reference points p. 37
4.3 IAB classes p. 38
4.3.1 IAB-DU class p. 38
4.3.2 IAB-MT class p. 38
4.4 Regional requirements p. 39
4.5 IAB configurations p. 39
4.5.1 Transmit configurations p. 39
4.5.2 Receive configurations p. 40
4.5.3 Power supply options p. 41
4.5.4 IAB with integrated Iuant BS modem p. 42
4.6 Manufacturer's declarations p. 42
4.7 Test configurations p. 51
4.7.1 General p. 51
4.7.2 Test signal configurations p. 51
4.7.2.1 Test signal used to build Test Configurations p. 51
4.7.2.2 IABTC1: Contiguous spectrum operation p. 52
4.7.2.3 IABTC2: Contiguous CA occupied bandwidth p. 53
4.7.2.4 IABTC3: Non-contiguous spectrum operation p. 53
4.7.2.5 IABTC4: Multi-band test configuration for full carrier allocation p. 54
4.7.2.6 IABTC5: Multi-band test configuration with high PSD per carrier p. 55
4.8 Applicability of requirements p. 56
4.8.1 Requirement set applicability p. 56
4.8.2 Applicability of test configurations for single-band RIB p. 56
4.8.3 Applicability of test configurations for multi-band RIB p. 58
4.9 RF channels and test models p. 60
4.9.1 RF channels p. 60
4.9.2 Test models p. 61
4.9.2.1 General p. 61
4.9.2.2 FR2 test models for IAB-DU p. 61
4.9.2.3 FR2 test models for IAB-MT p. 61
4.9.2.3.1 FR2 test model 1.1 (IAB-MT-FR2-TM1.1) p. 62
4.9.2.3.2 FR2 test model 2 (IAB-MT-FR2-TM2) p. 62
4.9.2.3.2a FR2 test model 2a (IAB-MT-FR2-TM2a) p. 63
4.9.2.3.3 FR2 test model 3.1 (IAB-MT-FR2-TM3.1) p. 63
4.9.2.3.4 FR2 test model 3.1a (IAB-MT-FR2-TM3.1a) p. 63
4.9.2.4 Data content of physical channels and signals for IAB-MT-FR2-TM p. 64
4.9.2.4.1 PUSCH p. 64
4.10 Requirements for contiguous and non-contiguous spectrum p. 64
4.11 Requirements for IAB capable of multi-band operation p. 65
4.12 Co-location requirements p. 65
4.12.1 General p. 65
4.12.2 Co-location test antenna p. 66
4.13 Test efficiency optimization p. 67
4.14 Format and interpretation of tests p. 69
4.15 Reference coordinate system p. 70
4.16 Requirements for IAB-DU and IAB-MT capable of simultaneous operation p. 70
5 Operating bands and channel arrangement p. 71
6 Radiated transmitter characteristics p. 71
6.1 General p. 71
6.2 Radiated transmit power p. 71
6.2.1 Definition and applicability p. 71
6.2.2 Minimum requirement p. 72
6.2.3 Test purpose p. 72
6.2.4 Method of test p. 72
6.2.4.1 Initial conditions p. 72
6.2.4.2 Procedure p. 73
6.2.5 Test requirement p. 73
6.2.5.1 IAB-DU p. 73
6.2.5.2 IAB-MT p. 73
6.3 IAB output power p. 74
6.3.1 Definition and applicability p. 74
6.3.2 Minimum requirement p. 74
6.3.3 Test purpose p. 74
6.3.4 Method of test p. 75
6.3.4.1 Initial conditions p. 75
6.3.4.2 Procedure p. 75
6.3.5 Test requirement p. 75
6.3.5.1 IAB type 1-O p. 75
6.3.5.2 IAB type 2-O p. 76
6.4 OTA output power dynamics p. 76
6.4.1 IAB-DU OTA Output Power Dynamics p. 76
6.4.1.1 General p. 76
6.4.1.2 OTA RE power control dynamic range p. 76
6.4.1.2.1 Definition and applicability p. 76
6.4.1.2.2 Minimum requirement p. 76
6.4.1.2.3 Test purpose p. 76
6.4.1.3 OTA total power dynamic range p. 76
6.4.2 IAB-MT OTA Output Power Dynamics p. 79
6.4.2.1 OTA total power dynamic range p. 79
6.4.2.1.1 Definition and applicability p. 79
6.4.2.1.2 Minimum requirement p. 79
6.4.2.1.3 Test purpose p. 79
6.4.2.1.4 Method of test p. 79
6.4.2.1.5 Test requirements p. 80
6.4.2.2 Relative power tolerance for local area IAB-MT p. 81
6.4.2.2.1 Definition and applicability p. 81
6.4.2.2.2 Minimum requirement p. 81
6.4.2.2.3 Test purpose p. 81
6.4.2.3 Aggregate power tolerance for local area IAB-MT p. 81
6.5 OTA transmit ON/OFF power p. 81
6.5.1 OTA transmitter OFF power p. 81
6.5.1.1 Definition and applicability p. 81
6.5.1.2 Minimum requirement p. 82
6.5.1.3 Test purpose p. 82
6.5.1.4 Method of test p. 82
6.5.1.5 Test requirements p. 82
6.5.2 OTA transmitter transient period p. 82
6.5.2.1 Definition and applicability p. 82
6.5.2.2 Minimum requirement p. 83
6.5.2.3 Test purpose p. 83
6.5.2.4 Method of test p. 83
6.5.2.4.1 Initial conditions p. 83
6.5.2.4.2 Procedure p. 83
6.5.2.5 Test requirements p. 84
6.5.2.5.1 IAB type 1-O p. 84
6.5.2.5.2 IAB type 2-O p. 85
6.6 OTA transmitted signal quality p. 85
6.6.1 General p. 85
6.6.2 OTA frequency error p. 85
6.6.2.1 IAB-DU OTA frequency error p. 85
6.6.2.1.1 Definition and applicability p. 85
6.6.2.1.2 Minimum Requirement p. 85
6.6.2.1.3 Test purpose p. 85
6.6.2.1.4 Method of test p. 85
6.6.2.1.5 Test Requirements p. 86
6.6.2.2 IAB-MT OTA frequency error p. 86
6.6.3 OTA modulation quality p. 86
6.6.3.1 Definition and applicability p. 86
6.6.3.2 Minimum Requirement p. 87
6.6.3.3 Test purpose p. 87
6.6.3.4 Method of test p. 87
6.6.3.4.1 Initial conditions p. 87
6.6.3.4.2 Procedure for IAB-DU p. 87
6.6.3.4.3 Procedure for IAB-MT p. 89
6.6.3.5 Test requirements p. 90
6.6.4 OTA time alignment error p. 92
6.6.4.1 Definition and applicability p. 92
6.6.4.2 Minimum requirement p. 92
6.6.4.3 Test purpose p. 92
6.6.4.4 Method of test p. 92
6.6.4.5 Test Requirement p. 94
6.6.4.5.1 IAB-DU type 1-O p. 94
6.6.4.5.2 IAB-DU type 2-O p. 94
6.6.5 Timing error between IAB-DU and IAB-MT p. 94
6.6.5.1 Definition and applicability p. 94
6.6.5.2 Minimum requirement p. 94
6.6.5.3 Test purpose p. 94
6.6.5.4 Method of test p. 94
6.6.5.4.1 Initial conditions p. 94
6.6.5.4.2 Procedure p. 95
6.6.5.5 Test Requirement p. 95
6.6.5.5.1 IAB type 1-O p. 95
6.6.5.5.2 IAB type 2-O p. 95
6.7 OTA unwanted emissions p. 95
6.7.1 General p. 95
6.7.2 OTA occupied bandwidth p. 96
6.7.2.1 Definition and applicability p. 96
6.7.2.2 Minimum requirement p. 96
6.7.2.3 Test purpose p. 96
6.7.2.4 Method of test p. 97
6.7.2.4.1 Initial conditions p. 97
6.7.2.4.2 Procedure p. 97
6.7.2.5 Test requirement p. 98
6.7.3 OTA Adjacent Channel Leakage Power Ratio (ACLR) p. 99
6.7.3.1 Definition and applicability p. 99
6.7.3.2 Minimum requirement p. 99
6.7.3.3 Test purpose p. 99
6.7.3.4 Method of test p. 99
6.7.3.4.1 Initial conditions p. 99
6.7.3.4.2 Procedure p. 99
6.7.3.5 Test requirements p. 100
6.7.4 OTA operating band unwanted emissions p. 109
6.7.4.1 Definition and applicability p. 109
6.7.4.1.1 IAB-DU type 1-O p. 109
6.7.4.1.2 IAB-MT type 1-O p. 109
6.7.4.1.3 IAB-DU type 2-O and IAB-MT type 2-O p. 109
6.7.4.2 Minimum requirement p. 109
6.7.4.3 Test purpose p. 109
6.7.4.4 Method of test p. 109
6.7.4.4.1 Initial conditions p. 109
6.7.4.4.2 Procedure p. 110
6.7.4.5 Test requirements p. 110
6.7.5 OTA transmitter spurious emissions p. 122
6.7.5.1 General p. 122
6.7.5.2 General OTA transmitter spurious emissions requirements p. 123
6.7.5.2.1 Definition and applicability p. 123
6.7.5.2.2 Minimum requirement p. 123
6.7.5.2.3 Test purpose p. 123
6.7.5.2.4 Method of test p. 123
6.7.5.2.5 Test requirement p. 124
6.7.5.3 Void
6.7.5.4 Additional spurious emissions requirements p. 126
6.7.5.4.1 Definition and applicability p. 126
6.7.5.4.2 Minimum Requirement p. 127
6.7.5.4.3 Test purpose p. 127
6.7.5.4.4 Method of test p. 127
6.7.5.4.5 Test requirement p. 129
6.7.5.5 Co-location requirements p. 136
6.7.5.5.1 Definition and applicability p. 136
6.7.5.5.2 Minimum requirements p. 136
6.7.5.5.3 Test purpose p. 137
6.7.5.5.4 Method of test p. 137
6.7.5.5.5 Test requirements p. 138
6.8 OTA transmitter intermodulation p. 142
6.8.1 Definition and applicability p. 142
6.8.2 Minimum requirement p. 142
6.8.3 Test purpose p. 142
6.8.4 Method of test p. 142
6.8.4.1 Initial conditions p. 142
6.8.4.2 Procedure p. 143
6.8.5 Test requirements p. 144
