Content for TR 37.976 Word version: 18.0.0
4 Introduction
5 Performance Metrics
6 Measurement Methodologies
7 Measurement Results from COST2100
8 Measurement Results from CTIA
9 Conclusions
10 Recommendations
A Test Plan for Anechoic Chamber based candidate methodologies with 3 or more probe antennas
B LTE MIMO OTA Test Plan
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4 Introduction p. 8
4.1 Background p. 8
4.2 Study item objective p. 8
4.3 High Level Requirements p. 8
4.4 Proposed work plan p. 8
5 Performance Metrics p. 11
5.1 Figure of Merits p. 11
5.2 Receiver Performance Metrics p. 13
6 Measurement Methodologies p. 13
6.1 Fixed Reference Measurement Channels (FRCs) p. 13
6.2 MIMO Channel Models p. 13
6.3 Downlink Measurement Methodologies p. 17
6.3.1 Methodologies based on Anechoic RF Chamber p. 18
6.3.1.1 Candidate Solution 1 p. 18
6.3.1.2 Candidate Solution 2 p. 21
6.3.1.2.1 Concept and Configuration p. 22
6.3.1.2.1A Scalability of the methodology p. 23
6.3.1.2.2 Test Conditions p. 24
6.3.1.3 Candidate Solution 3 p. 25
6.3.1.4 Candidate Solution 4 p. 27
6.3.1.5 Candidate Solution 5 p. 28
6.3.1.Y Downlink Transmission Modes p. 32
6.3.2 Methodologies based on Reverberation Chamber p. 32
7 Measurement Results from COST2100 p. 37
8 Measurement Results from CTIA p. 37
9 Conclusions p. 38
10 Recommendations p. 43
A Test Plan for Anechoic Chamber based candidate methodologies with 3 or more probe antennas p. 45
A.1 Introduction p. 45
A.2 Test setup p. 45
A.2.1 Calibration p. 46
A.2.2 Radio Channel Conditions p. 47
A.3 Test Procedure p. 48
B LTE MIMO OTA Test Plan p. 51
B.1 Test Objectives p. 51
B.2 Test Setup p. 51
B.2.1 Figure of Merits (FOMs) p. 54
B.2.2 Channel Models p. 55
B.2.3 Antenna Probes p. 55
B.2.4 eNodeB Emulator Parameter Settings p. 56
B.2.5 Reference DUTs Configurations p. 57
B.3 Calibration of Test System p. 58
B.3.1 Calibration Procedure for Anechoic-chamber based methodologies p. 58
B.3.1.1 Probe power calibration p. 58
B.3.1.2 Channel power calibration p. 59
B.3.1.3 Calibration check p. 59
B.3.2 Calibration Procedure for Reverberation-chamber based methodologies p. 60
B.3.2.1 Tuning Reverberation Chamber to Specific Channel Model p. 61
B.3.2.2 Average Path Loss Measurement p. 61
B.3.3 Calibration Procedure for 2-Stage methodologies p. 62
B.3.3.1 Antenna pattern measurement calibration in stage I p. 62
B.3.3.3 Power calibration for results comparison from different OTA test methods p. 64
B.3.4 Calibration Procedure for antenna pattern based methodologies p. 64
B.3.5 Calibration Procedure for two-channel method p. 65
B.4 Test Procedure p. 65
B.4.1 Test Procedure 1 p. 65
B.4.1A Test Procedure 1A (Reverberation Chamber Based Methodologies) p. 67
B.4.2 Test Procedure 2 p. 67
B.4.3 Test Procedure 3 (Antenna spatial correlation measurement) p. 68
B.4.4 Test Procedure 4 (Two-stage throughput) p. 69
B.4.5 Test Procedure 5 for two-channel method p. 71
$ Change history p. 72
