Tech-
invite
3GPP
space
IETF
space
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4‑5x
Content for
TR 38.863
Word version: 18.2.0
1…
5…
A…
5
Regulatory aspects
6
Co-existence study
6a
Co-existence study for 17/27GHz
7
RF requirements
8
Conclusion
5
Regulatory aspects
p. 12
5.1
ITU-R
p. 12
5.2
Regulatory aspects for NTN satellites
p. 13
5.2.1
NTN Satellite band: UL 1980-2010 MHz / DL 2170-2200 MHz
p. 13
5.2.2
NTN Satellite band: UL 1626.5-1660.5 MHz / DL 1525-1559 MHz
p. 14
5.2.3
NTN Satellite band: UL 27.5-30.0 GHz / DL 17.3-20.2 GHz
p. 18
5.2.3.1
ITU-R
p. 18
5.2.3.2
FCC
p. 21
5.2.3.3
CEPT
p. 22
5.3
Regulatory aspects for HAPS
p. 23
6
Co-existence study
p. 23
6.1
Co-existence simulation scenario
p. 23
6.2
Co-existence simulation assumption
p. 25
6.2.1
Network layout model
p. 25
6.2.1.1
Co-existence between NTN satellite and TN
p. 25
6.2.1.2
Co-existence between HAPS and TN
p. 28
6.2.1.3
Co-existence between HAPS and HAPS
p. 28
6.2.2
System parameters
p. 29
6.2.2.1
Satellite parameters
p. 29
6.2.2.2
NTN UE parameters
p. 30
6.2.2.3
HAPS parameters
p. 31
6.2.2.4
TN parameters
p. 32
6.2.3
Antenna and beamforming pattern modelling
p. 34
6.2.3.1
Satellite and UE Antenna and beam forming pattern modelling
p. 34
6.2.3.2
TN BS and UE antenna and beam forming pattern modelling
p. 38
6.2.3.3
HAPS antenna model
p. 39
6.2.4
ACIR model
p. 40
6.2.5
Propagation model
p. 40
6.2.5.1
Propagation model between NTN SAN and UE
p. 40
6.2.5.2
Propagation model between TN BS and UE
p. 41
6.2.5.3
Propagation model between NTN SAN and TN BS
p. 41
6.2.5.4
Propagation model for HAPS
p. 41
6.2.6
Transmission power control model
p. 41
6.2.6.1
TN UL TPC
p. 41
6.2.6.2
NTN UL TPC
p. 41
6.2.6.3
NTN DL TPC
p. 41
6.2.6.4
HAPS UL TPC
p. 41
6.2.6.5
HAPS DL TPC
p. 41
6.2.7
Received power model
p. 41
6.2.8
Performance metric
p. 42
6.2.9
Throughput ~ SNR mapping
p. 42
6.3
Co-existence simulation methodology
p. 42
6.3.1
Simulation procedure
p. 42
6.3.2
Methods and principle to process co-existence simulation results
p. 43
6.4
Co-existence simulation results
p. 44
6.4.1
Scenario 1: 2GHz TN DL interfering NTN DL
p. 44
6.4.2
Scenario 2: 2GHz TN UL interfering NTN UL
p. 47
6.4.3
Scenario 3: 2GHz NTN DL interfering TN DL
p. 51
6.4.3.1
LEO Class
p. 51
6.4.4
Scenario 4: 2GHz NTN UL interfering TN UL
p. 58
6.4.5
Scenario 5: 2GHz NTN UL interfering TN DL
p. 62
6.4.6
Scenario 6: 2GHz TN DL interfering NTN UL
p. 65
6.4.7
Scenario 7: 2GHz HAPS DL interfering TN DL
p. 67
6.4.8
Scenario 8: 2GHz TN UL interfering HAPS UL
p. 68
6.5
Summary of co-existence study
p. 69
6.5.1
Coexistence at 2GHz
p. 69
6a
Co-existence study for 17/27GHz
p. 71
6a.1
Co-existence simulation scenario for 17/27GHz
p. 71
6a.2
Co-existence simulation assumption for 17/27GHz
p. 73
6a.2.1
Network layout model
p. 73
6a.2.1.1
Co-existence between NTN satellite and TN
p. 73
6a.2.2
System parameters
p. 76
6a.2.2.1
Satellite parameters
p. 76
6a.2.2.2
NTN UE parameters
p. 77
6a.2.2.3
Void
6a.2.2.4
TN parameters
p. 78
6a.2.3
Antenna and beam forming pattern modelling
p. 79
6a.2.3.1
Satellite parameters
p. 79
6a.2.3.2
TN BS and UE antenna and beam forming pattern modelling
p. 80
6a.2.4
ACIR model
p. 82
6a.2.5
Propagation model
p. 82
6a.2.6
Transmission power control model
p. 82
6a.2.6.1
UL TPC
p. 82
6a.2.6.2
DL TPC
p. 83
6a.2.7
Received power model
p. 83
6a.2.8
Performance metric
p. 83
6a.2.9
Throughput ~ SNR mapping
p. 83
6a.3
Co-existence simulation methodology for 17/27GHz
p. 83
6a.3.1
Simulation procedure
p. 83
6a.3.2
Methods and principle to process co-existence simulation results
p. 83
6a.4
Co-existence simulation results for 17/27GHz
p. 84
6a.4.1
Scenario 1a: 27GHz NTN UL interfering TN UL
p. 84
6a.4.2
Scenario 2a: 27GHz TN UL interfering NTN UL
p. 87
6a.4.3
Scenario 3a: 27GHz NTN UL interfering TN DL
p. 91
6a.4.4
Scenario 4a: 27GHz TN DL interfering NTN UL
p. 92
6a.4.5
Scenario 5a: 17GHz TN DL interfering NTN DL
p. 96
6a.4.6
Scenario 6a: 17GHz NTN DL interfering TN DL
p. 100
6a.4.7
Scenario 7a: 17GHz NTN DL interfering TN UL
p. 102
6a.4.8
Scenario 8a: 17GHz TN UL interfering NTN DL
p. 103
6a.5
Summary of co-existence study
p. 105
6a.5.1
Coexistence at 17/27GHz
p. 105
7
RF requirements
p. 106
7.1
SAN Reference points for RF requirements
p. 106
7.1.1
General
p. 106
7.1.2
SAN type 1-C
p. 106
7.1.3
SAN type 1-H
p. 106
7.1.4
SAN type 1-O
p. 107
7.2
Common issues for satellite access node and NTN UE
p. 107
7.2.1
General
p. 107
7.2.2
Operating bands
p. 108
7.2.3
Channel bandwidth, SCS and spectral utilization
p. 108
7.2.4
Channel raster and sync raster
p. 108
7.2.4.1
Channel raster
p. 108
7.2.4.2
Sync raster
p. 108
7.3
Satellite Access Node requirements
p. 109
7.3.1
General
p. 109
7.3.1.1
SAN class
p. 109
7.3.2
Transmission characteristics
p. 109
7.3.2.1
General
p. 109
7.3.2.2
Conducted transmitter requirements
p. 110
7.3.2.2.1
SAN output power
p. 110
7.3.2.2.2
Output power dynamics
p. 110
7.3.2.2.3
Transmitted signal quality
p. 111
7.3.2.2.4
Unwanted emissions
p. 111
7.3.2.2.5
Transmitter spurious emission
p. 113
7.3.2.3
Radiated transmitter requirements
p. 114
7.3.2.3.1
Reserved
p. 114
7.3.2.3.2
Reserved
p. 114
7.3.2.3.3
Reserved
p. 114
7.3.2.3.4
Reserved
p. 114
7.3.2.3.5
Reserved
p. 114
7.3.2.3.6
Reserved
p. 114
7.3.2.3.7
Reserved
p. 114
7.3.3
Receiver characteristics
p. 114
7.3.3.1
General
p. 114
7.3.3.2
Conducted receiver characteristics
p. 115
7.3.3.2.1
Reference sensitivity level
p. 115
7.3.3.2.2
Dynamic range
p. 115
7.3.3.2.3
In-band selectivity and blocking
p. 116
7.3.3.2.4
Out-of-band blocking
p. 118
7.3.3.2.5
Receiver spurious emissions
p. 118
7.3.3.2.6
Receiver intermodulation
p. 118
7.3.3.2.7
In-channel selectivity
p. 119
7.3.3.3
Radiated receiver characteristics
p. 119
7.3.3.3.1
OTA sensitivity
p. 119
7.3.3.3.2
OTA reference sensitivity level
p. 119
7.3.3.3.3
OTA dynamic range
p. 119
7.3.3.3.4
OTA in-band selectivity and blocking
p. 119
7.3.3.3.5
OTA out-of-band blocking
p. 119
7.3.3.3.6
OTA receiver spurious emissions
p. 120
7.3.3.3.7
OTA receiver intermodulation
p. 120
7.3.3.3.8
OTA in-channel selectivity
p. 120
7.3.4
Others
p. 120
7.4
NTN UE requirements
p. 121
7.4.1
General
p. 121
7.4.2
UE Transmission characteristics for satellite access
p. 121
7.4.2.1
General
p. 121
7.4.2.2
Conducted transmitter characteristics
p. 121
7.4.2.2.1
Maximum output power
p. 121
7.4.2.2.2
MPR/AMPR
p. 121
7.4.2.2.3
Output power dynamics
p. 122
7.4.2.2.4
Frequency error
p. 123
7.4.2.2.5
Transmit modulation quality
p. 123
7.4.2.2.6
Spectrum emission mask
p. 123
7.4.2.2.7
ACLR
p. 123
7.4.2.2.8
Spurious emissions
p. 123
7.4.2.2.9
Transmit intermodulation
p. 124
7.4.2.2.10
UE to UE coexistence issues between NTN and TN
p. 124
7.4.2.3
Radiated transmitter characteristics for Ka band VSAT
p. 125
7.4.2.3.1
VSAT maximum output power
p. 125
7.4.3
UE Receiver characteristics for satellite access
p. 126
7.4.3.1
General
p. 126
7.4.3.2
Conducted receiver characteristics
p. 126
7.4.3.2.1
General and diversity characteristics
p. 126
7.4.3.2.2
Reference sensitivity
p. 127
7.4.3.2.3
Maximum input level
p. 127
7.4.3.2.4
Adjacent channel selectivity
p. 128
7.4.3.2.5
Blocking characteristics
p. 128
7.4.3.2.6
Spurious response
p. 128
7.4.3.2.7
Intermodulation characteristics
p. 128
7.4.3.2.8
Rx Spurious emissions
p. 128
7.4.3.2.9
Void
7.4.3.3
Radiated receiver characteristics for Ka band VSAT
p. 129
7.4.3.3.1
Polarization characteristics
p. 129
7.4.3.3.2
OTA reference sensitivity level
p. 129
7.4.4
UE antenna characteristics for satellite access
p. 130
7.4.4.1
Handheld UE antenna characteristics for satellite access
p. 130
8
Conclusion
p. 130