Content for TR 37.840 Word version: 12.1.0
2 References
3 Definitions, symbols and abbreviations
4 General
5 Study of AAS deployment scenarios
6 Study of AAS transmitter characteristics
7 Study of AAS receiver characteristics
8 AAS test aspects
9 Conclusions
A Study Item plan and progress
B Simulations results
C AAS spatial domain aspects
$ Change History
2 References p. 7
3 Definitions, symbols and abbreviations p. 8
4 General p. 10
5 Study of AAS deployment scenarios p. 15
5.1 AAS applications p. 15
5.1.1 Tilt and radiation pattern control p. 15
5.1.2 Multiple input multiple output (MIMO) p. 15
5.1.3 Differentiated antenna behaviours at different carrier frequencies p. 15
5.1.4 Per RB (or UE) Transmission and Reception p. 15
5.2 Deployment and coexistence scenarios p. 16
5.3 Classifications of AAS BS p. 16
5.4 Simulation study p. 16
5.4.1 Objectives p. 16
5.4.2 Simulation scenarios p. 17
5.4.2.1 Initial simulation cases p. 17
5.4.2.2 Simulation cases based on the other AAS applications p. 17
5.4.3 Simulation assumptions p. 17
5.4.3.1 Assumptions for the initial simulation cases p. 17
5.4.3.1.1 Network layout p. 17
5.4.3.1.2 Propagation model p. 18
5.4.3.1.3 Down-tilt angle setting p. 18
5.4.3.1.4 General simulation parameters for the initial simulation cases p. 20
5.4.3.2 Assumptions for the other applications p. 20
5.4.4 Array antenna model p. 21
5.4.4.1 Methodology p. 21
5.4.4.1.1 Element Pattern p. 21
5.4.4.1.2 Array factor for single column p. 22
5.4.4.1.3 Array factor for multiple column p. 23
5.4.4.1.4 Signals and correlation matrix for single column p. 24
5.4.4.1.5 Signals and correlation matrix for multiple columns p. 25
5.4.4.2 Summarized functions and parameters p. 26
6 Study of AAS transmitter characteristics p. 28
6.1 General review of transmitter characteristics p. 28
6.2 Transmitter spatial characteristics p. 28
6.3 Simulation results p. 28
6.3.1 ACLR p. 28
6.3.1.1 Observations p. 28
6.4 Requirements for AAS transmitters p. 29
6.4.1 Output power p. 29
6.4.1.1 Approach 1 p. 29
6.4.1.2 Approach 2 p. 29
6.4.1.3 Study Item conclusions on output power p. 29
6.4.2 ACLR requirements p. 30
7 Study of AAS receiver characteristics p. 30
7.1 General review of receiver characteristics p. 30
7.2 Receiver spatial characteristics p. 30
7.3 Simulation results p. 31
7.3.1 In-band blocking p. 31
7.4 Requirements for AAS receivers p. 32
8 AAS test aspects p. 34
8.1 Comparison of different test methods p. 34
8.2 AAS test methodologies p. 35
8.2.1 Conducted Test p. 35
8.2.2 Far Field Over-the-Air Test p. 36
8.2.3 Coupling Test p. 37
8.2.4 Combined Test p. 37
8.2.4.1 Combined Conducted and Over-the-Air Test p. 37
8.2.4.2 Combined Close Field Coupling and Over-the-Air Test p. 38
8.2.5 Rayleigh Faded Multi-path Over-the-Air test p. 38
8.2.6 Near-Field Probe Scanner Test p. 38
9 Conclusions p. 39
A Study Item plan and progress p. 41
B Simulations results p. 53
B.1 Case 1a: Downlink E-UTRA AAS interferer- legacy system victim p. 53
B.2 Case 1b: Downlink E-UTRA AAS interferer- AAS victim with equal down-tilt angles p. 56
B.3 Case 1b: Downlink E-UTRA AAS interferer- AAS victim with non-optimal down-tilt angles p. 58
B.4 Case 1c: Downlink E-UTRA legacy system interferer- legacy system victim p. 62
C AAS spatial domain aspects p. 64
C.1 Transmitter spatial characteristics p. 64
C.1.2 Simulation assumptions p. 64
C.1.3 Simulation results p. 65
C.2 Receiver spatial characteristics p. 69
C.2.1 Simulation results p. 70
C.3 Impact of mutual coupling p. 72
C.3.1 Simulation results p. 73
C.4 Spatial EVM characteristics p. 75
C.5 Directivity characteristics p. 77
C.5.1 Array Element p. 78
C.5.2 Scan Loss p. 79
C.5.3 Array Gain p. 81
C.5.4 Relation between transceiver boundary and far-field p. 81
C.6 Non core requirement p. 82
$ Change History p. 83
