Content for TR 37.977 Word version: 18.0.0
5 Performance metrics
6 Candidate measurement methodologies
7 Base Station (BS) configuration
8 Channel Models
9 Reference antennas and devices testing
10 Measurement results from testing campaigns
12 MIMO OTA test procedures
5 Performance metrics p. 13
5.1 Figure of Merits p. 13
5.1.1 Definition of MIMO throughput p. 13
5.1.2 Definition of Signal-to-Interference Ratio (SIR) p. 13
5.2 Averaging of throughput curves p. 19
6 Candidate measurement methodologies p. 20
6.1 Void
6.2 Void
6.3 Downlink measurement methodologies p. 20
6.3.1 Methodologies based on Anechoic RF Chamber p. 20
6.3.1.1 Candidate Solution 1 p. 20
6.3.1.1.1 Concept and configuration p. 21
6.3.1.1.2 Scalability of the methodology p. 22
6.3.1.1.3 Test conditions p. 23
6.3.1.2 Void
6.3.1.3 Candidate solution 3 p. 24
6.3.1.3.1 Concept and configuration p. 24
6.3.1.3.2 Test conditions p. 27
6.3.1.3.3 Overview of calibration procedures specific to the RTS method p. 27
6.3.1.4 Candidate solution 4 p. 28
6.3.1.4.1 Concept and configuration p. 28
6.3.1.4.2 Decomposition approach p. 29
6.3.1.4.3 Conducted test p. 30
6.3.1.4.4 Radiated test p. 30
6.3.1.4.5 Possible extensions of the decomposition method p. 31
6.3.1.5 Candidate solution 5 p. 31
6.3.2 Methodologies based on Reverberation Chamber p. 35
7 Base Station (BS) configuration p. 40
8 Channel Models p. 42
8.1 Introduction p. 42
8.2 Channel Model(s) to be validated p. 42
8.3 Verification of Channel Model implementations p. 44
8.3.1 Measurement instruments and setup p. 44
8.3.2 Validation measurements p. 45
8.3.2.1 Power Delay Profile (PDP) p. 45
8.3.2.2 Doppler/Temporal correlation p. 47
8.3.2.3 Spatial correlation p. 49
8.3.2.4 Cross-polarization p. 52
8.3.3 Reporting p. 53
8.4 Channel Model validation results p. 56
8.4.1 Scope p. 56
8.4.2 Power Delay Profile (PDP) p. 56
8.4.3 Doppler / Temporal Correlation p. 62
8.4.4 Spatial correlation p. 66
8.4.5 Cross polarization p. 68
8.4.6 Summary p. 69
8.5 Channel Model emulation of the Base Station antenna pattern configuration p. 70
9 Reference antennas and devices testing p. 70
9.1 Reference antennas design p. 70
9.2 Reference devices p. 70
9.3 Description of tests with reference antennas and devices p. 70
9.3.1 The Absolute Data Throughput Comparison Framework p. 70
9.3.1.1 Introduction p. 70
9.3.1.2 Antenna pattern data format p. 71
9.3.1.3 Emulation of antenna pattern rotation p. 72
9.3.1.4 Absolute Data Throughput measurement enabler p. 74
9.3.1.5 Output data format p. 75
9.3.1.6 Application of the framework and scenarios for comparison p. 78
9.3.1.7 Proof of concept p. 80
9.4 Device positioning p. 85
10 Measurement results from testing campaigns p. 86
10.1 Introduction p. 86
10.2 CTIA test campaign p. 86
10.2.1 Description of the test plan p. 86
10.2.2 Anechoic chamber method with multiprobe configuration p. 87
10.2.3 Reverberation chamber method using NIST channel model and using channel emulator with short delay spread low correlation channel model p. 92
10.2.4 RTS method results p. 100
10.3 3GPP harmonization test campaign p. 104
10.3.1 Description of the test plan p. 104
10.3.2 Devices under test p. 105
10.3.3 Measurement uncertainty bound for harmonization p. 106
10.3.4 Summary of results p. 107
10.3.5 Harmonization outcome p. 111
10.3.5a Harmonization outcome with device set 3 p. 112
10.3.5b Harmonization outcome with device set 4 p. 113
10.4 Lab alignment procedures for performance labs p. 114
11 Void
12 MIMO OTA test procedures p. 116
12.1 Anechoic chamber method with multiprobe configuration test procedure p. 116
12.1.1 Base Station configuration p. 116
12.1.2 Channel Models p. 116
12.1.3 Device positioning and environmental conditions p. 116
12.1.4 System Description p. 116
12.1.5 Figure of Merit p. 117
12.1.6 Test procedure p. 117
12.1.6.1 Initial conditions p. 117
12.1.6.2 Test procedure p. 117
12.1.7 Measurement Uncertainty budget p. 118
12.2 Reverberation chamber test procedure p. 118
12.2.1 Base Station configuration p. 118
12.2.2 Channel Models p. 118
12.2.3 Device positioning and environmental conditions p. 118
12.2.4 System Description p. 118
12.2.5 Figure of Merit p. 118
12.2.6 Test procedure p. 118
12.2.6.1 Initial conditions p. 118
12.2.6.2 Test procedure p. 119
12.2.7 Measurement Uncertainty budget p. 119
12.3 RTS method test procedure p. 119
12.3.1 Base Station configuration p. 119
12.3.2 Channel Models p. 119
12.3.3 Device positioning and environmental conditions p. 120
12.3.4 System Description p. 120
12.3.5 Figure of Merit p. 120
12.3.6 Test procedure p. 120
12.3.6.1 Initial conditions p. 120
12.3.6.2 Test procedure p. 120
12.3.7 Measurement Uncertainty budget p. 121
12.4 Comparison of methodologies p. 121
