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4‑5x
Content for
TR 45.871
Word version: 14.0.0
0…
5…
5
Overview of 2x2 MIMO System
6
MIMO Channel Model
7
Concepts
8
Performance Evaluation
9
Compatibility analysis
10
Conclusion
A
SCM Realization in GSM
$
Change History
5
Overview of 2x2 MIMO System
p. 8
5.1
Spatial multiplexing mode (dual stream)
p. 8
5.2
Diversity mode (single stream)
p. 8
6
MIMO Channel Model
p. 8
6.1
MSRD Antenna Correlation Model
p. 8
6.2
Spatial Channel Model (SCM)
p. 9
6.3
Channel model with variable correlation
p. 10
7
Concepts
p. 11
7.1
Training sequences
p. 11
7.2
Modulations
p. 11
7.2.1
Impact of Mixed Modulations
p. 11
7.2.1.1
Simulation Parameters
p. 11
7.2.1.2
Simulation Results
p. 13
7.2.2
Blind Modulation Detection
p. 17
7.2.3
Impact of SCPIR
p. 18
7.2.4
Conclusion
p. 19
7.2.5
References
p. 20
7.3
Mode Adaptation
p. 20
7.3.0
Overview
p. 20
7.3.1
Use of different modes
p. 20
7.3.2
Blind mode detection at MS
p. 21
7.3.2.1
Simulation Assumptions
p. 21
7.3.2.2
Simulation Results
p. 22
7.3.3
Transmission Mode Adaptation by the Network
p. 23
7.3.3.1
Simulation Assumptions
p. 23
7.3.3.2
Simulation Results
p. 24
7.3.4
References
p. 26
7.4
Link Adaptation
p. 26
7.5
Other RLC/MAC Protocol Aspects
p. 27
7.5.1
Multi-slot Class
p. 27
7.5.2
TBF Establishment
p. 27
7.5.3
TBF Operation
p. 27
7.5.4
Multiplexing of legacy MSs (USF, PAN)
p. 28
7.5.5
References
p. 28
7.6
Signalling
p. 28
7.6.1
MS Capability Signalling
p. 28
7.6.2
Mode Adaptation Signalling
p. 28
8
Performance Evaluation
p. 29
8.1
Transmitter assumption
p. 29
8.2
Receiver assumptions
p. 29
8.3
Simulation scenario
p. 30
8.4
Simulation results using SCM profiles
p. 32
8.5
Simulation results with variable channel/antenna correlation
p. 35
8.6
Performance Summary
p. 37
8.7
References
p. 38
9
Compatibility analysis
p. 39
9.1
Coexistence with Legacy Services
p. 39
9.1.1
Simulation Assumptions
p. 39
9.1.2
Simulation Results
p. 39
9.1.3
Evaluation Summary
p. 42
9.2
Impacts to Network and Mobile Station
p. 42
9.2.1
Impact to Network
p. 42
9.2.2
Impact to MS
p. 43
9.3
References
p. 44
10
Conclusion
p. 44
A
SCM Realization in GSM
p. 47
$
Change History
p. 48