TR 37.842
RAN4
★
E-UTRA and UTRA –
Radio Frequency (RF) Requirement Background
for Active Antenna System (AAS) Base Station (BS)
use "3GPP‑Page" to get the Word version
for a better overview, the Table of Contents (ToC) is reproduced
for a better overview, the Table of Contents (ToC) is reproduced
V13.3.0 (Wzip)
2019/12 131 p.
WI Acronym: AAS_BS_LTE_UTRA
Rapporteur: Mr. Kybett, Richard
Rapporteur: Mr. Kybett, Richard
The present document is the Technical Report for the Work Item on Base Station (BS) Radio Frequency (RF) requirements for Active Antenna System (AAS), which was approved at TSG RAN#59. The present document captures the background and the decisions on the specification of RF requirements that are applicable to AAS BS.
full Table of Contents for TR 37.842 Word version: 13.3.0
1 Scope
2 References
3 Definitions, symbols and abbreviations
4 General
5 Application and coexistence scenarios
6 AAS BS classifications
7 Radiated requirements
8 Conducted requirements
9 Manufacturer declarations
10 Conformance testing aspects
11 Other requirements
A Simulation results
B Radiated transmit power measurement error contribution descriptions
C OTA sensitivity measurement error contribution descriptions
D Summary of EIRP accuracy contributions
E Test equipment uncertainty values
F Radiated transmit power requirement
G OTA sensitivity requirement
H Change history
1 Scope Word-p. 7
2 References
3 Definitions, symbols and abbreviations Word-p. 8
4 General
4.1 Work Item scope
4.2 Work Item objectives Word-p. 12
4.3 General AAS BS RF architecture
4.4 Specification organization Word-p. 13
4.5 Applicability of requirements Word-p. 15
5 Application and coexistence scenarios
5.1 Objectives
5.2 Simulation scenarios
6 AAS BS classifications
7 Radiated requirements
5.2.1 Vertical/horizontal cell splitting applications
5.2.2 UE specific beam forming application Word-p. 16
5.3 Simulation assumptions
5.3.1 Vertical/horizontal cell splitting simulation assumptions
5.3.2 UE specific beamforming simulation assumptions Word-p. 17
5.3.3 Antenna array model Word-p. 18
5.3.4 Propagation Model Word-p. 21
5.4 Simulation conclusions
7.1 General
7.2 Radiated transmit power requirements Word-p. 24
8 Conducted requirements Word-p. 33
7.2.1 General
7.2.2 Beam definitions
7.2.3 EIRP accuracy requirements Word-p. 25
7.3 OTA sensitivity requirements Word-p. 29
7.2.3.1 General
7.2.3.2 Impacts of accuracy on network performance
7.2.3.3 Impacts of accuracy on the manufacturing process 
7.2.3.4 EIRP accuracy
7.2.4 The core requirements Word-p. 26
7.2.5 The conformance requirements Word-p. 27
7.2.6 The conformance beam declaration set Word-p. 28
7.2.3.4 EIRP accuracy
8.1 General
8.2 Transmitter Word-p. 34
9 Manufacturer declarations Word-p. 42
10 Conformance testing aspects Word-p. 48
8.2 Transmitter Word-p. 34
8.2.1 Time alignment error
8.2.2 Adjacent Channel Leakage Ratio (ACLR) requirements
8.2.3 Error Vector Magnitude
8.2.4 AAS BS output power Word-p. 35
8.2.5 Transmitter intermodulation Word-p. 37
8.3 Receiver Word-p. 40
8.2.5.1 General
8.2.5.2 Co-location transmitter intermodulation Word-p. 38
8.2.5.3 Intra AAS BS transmitter intermodulation
8.2.6 Unwanted emissions
8.2.7 TDD transmitter OFF power Word-p. 39
10.1 Conformance testing framework
10.2 Conducted tests Word-p. 50
10.3 OTA tests
11 Other requirements Word-p. 85
A Simulation results Word-p. 86
10.3.1 Radiated transmit power
10.3.1.1 Test methods
10.3.2 OTA sensitivity Word-p. 67
10.3.1.1.1 General
10.3.1.1.2 Indoor Anechoic Chamber Word-p. 51
10.3.1.1.3 Compact Antenna Test Range Word-p. 55
10.3.1.1.4 One Dimensional Compact Range Word-p. 58
10.3.1.1.5 Near Field Test Range Word-p. 62
10.3.1.2 Maximum accepted test system uncertainty Word-p. 66
10.3.1.3 Test tolerance
A.1 General
A.2 Results of cell splitting applications Word-p. 87
B Radiated transmit power measurement error contribution descriptions Word-p. 94
A.2.1 Case 1a-1: AAS (horizontal cell splitting) interferes legacy system for cell splitting
A.2.2 Case 1a-2: AAS (vertical cell splitting) interferes legacy system for cell splitting Word-p. 88
A.2.3 Case 1b-1: AAS (horizontal cell splitting) interferes AAS (horizontal cell splitting) for cell splitting Word-p. 89
A.2.4 Case 1b-2: AAS (vertical cell splitting) interferes AAS (vertical cell splitting) for cell splitting Word-p. 90
A.2.5 Case 1c: legacy system interferes legacy system for cell splitting Word-p. 91
A.2.6 Case 2a and 2b: AAS receiver blocking simulation results for cell splitting
A.3 Results of UE specific beamforming applications Word-p. 92
A.3.1 Case 1a: AAS E-UTRA Macro system: UE specific beamforming- AAS E-UTRA Macro system: UE specific beamforming
A.3.2 Case 1b: AAS E-UTRA Macro system: UE specific beamforming - Legacy E-UTRA Macro system
A.3.3 Case 1c: Legacy E-UTRA Macro system - AAS E-UTRA Macro system: UE specific beamforming Word-p. 93
A.3.4 Case 1d (Baseline): Legacy E-UTRA Macro system - Legacy E-UTRA Macro system
B.1 Indoor Anechoic Chamber
B.2 Compact Antenna Test Range Word-p. 96
B.3 One Dimensional Compact Range Word-p. 98
B.4 Near Field Test Range Word-p. 100
C OTA sensitivity measurement error contribution descriptions Word-p. 104
C.1 Indoor Anechoic Chamber
C.2 Compact Antenna Test Range Word-p. 106
C.3 One Dimensional Compact Range Word-p. 108
C.4 Near Field Test Range Word-p. 110
D Summary of EIRP accuracy contributions Word-p. 114
E Test equipment uncertainty values Word-p. 115
F Radiated transmit power requirement Word-p. 116
G OTA sensitivity requirement Word-p. 124
H Change history Word-p. 129
