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Content for
TR 36.777
Word version: 15.0.0
0…
2…
2
References
3
Definitions, symbols and abbreviations
4
Deployment scenarios for aerial vehicles
5
Performance requirements and metrics
6
Identified problem
7
Potential enhancements for supporting aerial vehicles
8
Conclusions
A
Evaluation assumptions
B
Channel modelling details
C
Calibration results and RSRP Statistics
D
Evaluation results with baseline assumptions
E
Evaluation results with potential enhancements in Downlink
F
Evaluation results with potential enhancements in Uplink
G
Evaluation results on reliability
H
Field Trials Results on Mobility
I
Field Trials Results on RSRP/RSRQ and other measurements
J
Evaluation Results on Mobility
$
Change history
2
References
3
Definitions, symbols and abbreviations
Word‑p. 10
3.1
Definitions
3.2
Symbols
3.3
Abbreviations
Word‑p. 11
4
Deployment scenarios for aerial vehicles
4.1
Deployment scenarios and assumptions
4.2
Channel model
5
Performance requirements and metrics
5.1
Performance requirements
5.2
Key performance indicator
6
Identified problem
Word‑p. 12
6.1
General observations on UL/DL interference problem involving aerial UEs
6.2
Downlink interference on aerial UEs
Word‑p. 13
6.3
Uplink interference caused by aerial UEs
7
Potential enhancements for supporting aerial vehicles
Word‑p. 14
7.1
Potential enhancements for interference detection
7.1.1
General
7.1.2
UE-based solutions
7.1.3
Network-based solutions
7.2
Potential enhancements for downlink interference mitigation
7.2.1
General
7.2.2
FD-MIMO
Word‑p. 15
7.2.3
Directional antenna at aerial UEs
7.2.4
Receive beamforming at aerial UEs
7.2.5
Intra-site JT CoMP
7.2.6
Coverage Extension
Word‑p. 16
7.2.7
Coordinated data and control transmission
7.3
Potential enhancements for uplink interference mitigation
7.3.1
General
7.3.2
Power control-based mechanisms
7.3.2.1
UE specific fractional pathloss compensation factor
7.3.2.2
UE specific P0 parameter
Word‑p. 17
7.3.2.3
Closed loop power control
7.3.3
FD-MIMO
7.3.4
Directional antennas at UE
7.4
Potential enhancements for mobility performance
Word‑p. 18
7.5
Potential enhancements for aerial UE Identification
7.5.1
Airborne UE Identification
7.5.1.1
UE-based solutions
7.5.1.2
Network-based solutions
7.5.2
Aerial UE Identification based on certification/license
8
Conclusions
Word‑p. 19
A
Evaluation assumptions
Word‑p. 21
A.1
System Level Evaluation
A.2
Mobility Evaluation
Word‑p. 23
A.2.1
Mobility Parameters
A.2.2
UE Placement and Trajectories
Word‑p. 24
A.2.3
LOS/NLOS modelling
Word‑p. 25
A.2.4
Time varying shadow fading
B
Channel modelling details
B.1
Fast fading models for Aerial UEs
Word‑p. 28
B.1.1
Alternative 1
B.1.2
Alternative 2
Word‑p. 30
B.1.3
Alternative 3
Word‑p. 31
C
Calibration results and RSRP Statistics
C.1
Calibration results
C.2
Five percentile geometry results
Word‑p. 33
C.3
RSRP statistics for interference detection
Word‑p. 34
D
Evaluation results with baseline assumptions
Word‑p. 35
D.1
DL throughput results with baseline assumptions
D.1.1
Throughput results for terrestrial UEs
D.1.2
Throughput results for aerial UEs
Word‑p. 38
D.1.3
Throughput results for all UEs
Word‑p. 41
D.2
UL throughput results with baseline assumptions
Word‑p. 42
D.2.1
Throughput results for terrestrial UEs
D.2.2
Throughput results for aerial UEs
Word‑p. 47
D.2.3
Throughput results for all UEs
Word‑p. 51
D.3
UL IoT results with baseline assumptions
Word‑p. 54
D.3.1
IoT results for terrestrial UEs
D.3.2
IoT results for aerial UEs
Word‑p. 56
E
Evaluation results with potential enhancements in Downlink
Word‑p. 58
E.1
Evaluation results for FD-MIMO
E.2
Evaluation results for directional antenna at aerial UEs
Word‑p. 60
E.3
Evaluation results for receive beamforming at aerial UEs
Word‑p. 64
E.4
Evaluation results for intra-site JT CoMP
Word‑p. 66
E.5
Evaluation results for Coverage Extension
Word‑p. 67
E.6
Evaluation results for coordinated data and control transmission
Word‑p. 68
F
Evaluation results with potential enhancements in Uplink
Word‑p. 70
F.1
Evaluation results for power control based mechanisms
F.1.1
Results on UE specific fractional pathloss compensation factor
F.1.2
Results on UE specific P0 parameter
Word‑p. 73
F.1.3
Results on closed loop power control
Word‑p. 80
F.2
Evaluation results for FD-MIMO
Word‑p. 81
F.3
Evaluation results for directional antennas at UE
Word‑p. 83
G
Evaluation results on reliability
Word‑p. 87
H
Field Trials Results on Mobility
Word‑p. 97
H.1
Field Trial 1 [20]
H.1.1
Setup
H.1.2
Number of detected cells
Word‑p. 98
H.1.3
Distance to detected and serving cells
Word‑p. 99
H.1.4
Handover interruption time
H.2
Field Trial 2 [21]
Word‑p. 100
H.2.1
Setup
H.2.2
Vertical hovering and corresponding PCI changes in rural area
H.2.3
Vertical hovering and corresponding PCI changes in suburban area
Word‑p. 101
H.3
Field Trial 3 [22 and 45]
Word‑p. 102
H.3.1
Setup
H.3.2
Number of detected cell and cell changes
Word‑p. 103
H.3.3
Distance to serving cell and neighbor cells statistics
Word‑p. 106
H.4
Field Trial 4 [56]
Word‑p. 107
H.4.1
Setup
H.4.2
Number of detected cells for UMa scenario
H.4.3
Distance to serving cell
Word‑p. 108
H.4.4
Average SNR values and PCI change
H.5
Field Trial 5 [19]
H.5.1
Setup
H.5.2
Number of handover success/ Failure
Word‑p. 109
H.5.3
Number of detected neighbour cells and PCI changes
H.6
Field Trial 6 [46]
Word‑p. 110
H.6.1
Setup
H.6.2
Number of detected cells statistics
Word‑p. 111
H.7
Field Trial 7 [25, 47]
H.7.1
Setup
H.7.2
Number of detected cells statistics
Word‑p. 113
H.7.3
Distance to serving and neighbor cells statistics
H.7.4
Number of PCI changes
Word‑p. 115
H.7.5
Number of radio link failures
Word‑p. 116
H.8
Observations from field trials on mobility
I
Field Trials Results on RSRP/RSRQ and other measurements
Word‑p. 117
I.1
Field Trial 1 [20 and 48]
I.1.1
Setup
I.1.2
RSRP/RSRQ distribution for serving cell
I.1.3
Distribution of uplink transmit power
Word‑p. 118
I.2
Field Trial 2 [21]
I.2.1
Setup
I.2.2
RSRP, RSRQ and SINR characteristics in rural area
I.2.3
RSRP, RSRQ and SINR characteristics in suburban area
Word‑p. 119
I.3
Field Trial 3 [22-24 and 45]
Word‑p. 120
I.3.1
Setup
I.3.2
RSSI vs ΔRSRP
I.3.3
RSRP statistics
Word‑p. 122
I.3.4
RSRQ statistics
Word‑p. 123
I.3.5
RSSI statistics
Word‑p. 124
I.3.6
RSRP gap statistics
Word‑p. 125
I.4
Field Trial 4 [56 and 44]
Word‑p. 126
I.4.1
Setup
I.4.2
RSRP characteristics
I.4.3
RS-SINR characteristics
I.4.4
PDCCH block error rate characteristics
Word‑p. 127
I.4.5
Uplink data rate characteristics
I.5
Field Trial 5 [46]
Word‑p. 128
I.5.1
Setup
I.5.2
RSRP gap characteristics
I.6
Field Trial 6 [47]
I.6.1
Setup
I.6.2
Serving cell RSRP and RSRQ characteristics
Word‑p. 129
I.6.3
Neighbor cell RSRP and RSRQ characteristics
Word‑p. 130
I.6.4
RSRP gap characteristics
Word‑p. 131
I.6.5
RSSI characteristics
Word‑p. 132
I.7
Observations from field trials on RSRP/RSRQ and other measurements
J
Evaluation Results on Mobility
J.1
Mobility Simulation
J.2
Simulation results for UMa
Word‑p. 133
J.2.1
Introduction
J.2.2
Handover rate
J.2.3
HOF rate
Word‑p. 135
J.2.4
RLF rate
Word‑p. 136
J.2.5
Time in handoff
Word‑p. 138
J.2.6
Time in Qout
Word‑p. 139
J.2.7
Ping-Pong rate
Word‑p. 140
J.3
Simulation results for RMa
Word‑p. 141
J.3.1
Introduction
J.3.2
Handover rate
J.3.3
HOF rate
Word‑p. 142
J.3.4
RLF rate
Word‑p. 144
J.3.5
Time in handoff
Word‑p. 145
J.3.6
Time in Qout
Word‑p. 146
J.3.7
Ping-Pong rate
Word‑p. 147
J.4
Observations on mobility performance for Aerial UEs
Word‑p. 148
$
Change history
Word‑p. 149