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TR 37.842 (RAN4) ★
E-UTRA and UTRA –
Radio Frequency (RF) Requirement Background
for Active Antenna System (AAS) Base Station (BS)

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V13.2.0 (Wzip)  2017/03  131 p.

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:   13.2.0

 

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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
3.1  Definitions
3.2  Symbols  Word-p. 10
3.3  Abbreviations  Word-p. 11
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
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
5.3.3.1  General
5.3.3.2  Array element pattern  Word-p. 19
5.3.3.3  Composite antenna pattern
5.3.3.3.1  UE specific beamforming
5.3.3.3.2  Vertical cell splitting  Word-p. 20
5.3.3.3.3  Horizontal cell splitting
5.3.4  Propagation Model  Word-p. 21
5.4  Simulation conclusions
6  AAS BS classifications
6.1  Minimum coupling loss  Up
6.2  BS classifications  Word-p. 22
7  Radiated requirements
7.1  General
7.2  Radiated transmit power requirements  Word-p. 24
7.2.1  General
7.2.2  Beam definitions
7.2.3  EIRP accuracy requirements  Word-p. 25
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  Up
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
7.3  OTA sensitivity requirements  Word-p. 29
7.3.1  General
7.3.2  The core requirements  Word-p. 30
7.3.3  The conformance requirements  Word-p. 31
8  Conducted requirements  Word-p. 33
8.1  General  Up
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
8.2.4.1  Maximum Output Power
8.2.4.2  Reference/Pilot signal power  Word-p. 36
8.2.5  Transmitter intermodulation  Word-p. 37
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
8.3  Receiver  Word-p. 40
8.3.1  General
8.3.2  Reference sensitivity level
8.3.3  Dynamic range
8.3.4  In-channel sensitivity
8.3.5  Adjacent Channel Selectivity (ACS) and narrow-band blocking
8.3.6  Blocking  Up
8.3.6.1  General
8.3.6.2  Co-location with other base stations  Word-p. 41
8.3.7  Receiver spurious emissions
8.3.8  Receiver Intermodulation
9  Manufacturer declarations  Word-p. 42
9.1  General
9.2  Manufacturer declaration description list
10  Conformance testing aspects  Word-p. 48
10.1  Conformance testing framework
10.1.1  General  Up
10.1.2  Uncertainty budget calculation principle  Word-p. 49
10.2  Conducted tests  Word-p. 50
10.3  OTA tests
10.3.1  Radiated transmit power
10.3.1.1  Test methods
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
10.3.2  OTA sensitivity  Word-p. 67
10.3.2.1  Test methods
10.3.2.1.1  Indoor Anechoic Chamber
10.3.2.1.2  Compact Antenna Test Range  Word-p. 72
10.3.2.1.3  One Dimensional Compact Range Chamber  Word-p. 75
10.3.2.1.4  Near Field Test range  Word-p. 79
10.3.2.2  Maximum accepted test system uncertainty  Word-p. 84
10.3.2.3  Test tolerance  Up
11  Other requirements  Word-p. 85
11.1  EMC
11.2  Performance requirements
A  Simulation results  Word-p. 86
A.1  General
A.2  Results of cell splitting applications  Word-p. 87
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  Radiated transmit power measurement error contribution descriptions  Word-p. 94
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

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